Re: [gentoo-dev] Portage QOS
Tom Wijsman tom...@gentoo.org writes: I am curious about the slowness of emerge. Try a --backtrack=0 approach, I no longer need to increase it. :) on a random box: time emerge --backtrack=0 -pe @world [...] real0m30.016s user0m29.268s sys 0m0.704s time emerge -pe @world [...] real0m35.037s user0m30.824s sys 0m1.136s not a big difference? How about profile the portage and rewrite the time-crucial part in C/C++, or ideally, borrowing the counterpart from paludis? How feasible is that? http://dev.gentoo.org/~tomwij/files/portage-2.2.7-python-2.7-backtrack-0.png http://dev.gentoo.org/~tomwij/files/portage-2.2.7-python-2.7-backtrack-0-hot.png http://dev.gentoo.org/~tomwij/files/portage-2.2.7-python-3.3-backtrack-0.png (hot is the hotshot profiler, it internally checks on the line level instead; 3.3's profiler is obstructed by module loading, no idea why) Great! That's what I am looking for. pgp2YrVrzkrgG.pgp Description: PGP signature
Re: [gentoo-dev] Re: Portage QOS
Hello Chris, Friday, January 10, 2014, 1:08:39 AM, you wrote: Right here is the big problem: you're not looking at this from the perspective of the average Gentoo developer. We don't care about market share. We don't care whether we're on top for another few years. There are several forks of Gentoo. I doubt most devs care about them. I personally know that we're not going to compete with Debian, which has a huge contributor, or Ubuntu or Red Hat, which have whole companies behind them. You're selling this as if you're selling to a company which wants to be on the top of the market and beating out competitors, and that's not what we are. We are a source-based distro that requires some effort from users, and people want that or they don't want it. What we need is a vote YES or NO. If you against it - vote NO. It's perfectly normal, if there would be no NO there would be no need voting. Thank you for you opinion. The competition in open source world is much harder than with commercial software. 3 commercial systems share 96% of the users. 1,6% of the users are shared by 296 Linux distros You may think that you're outside this rules but the competition is natural on the planet and Gentoo is certainly competing weather you want it or not. Competition was long before a human foot stood on the ground for the first time :-) And suddenly there is no competition in Linux world - do you really belive in it? -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Portage QOS
Hello Heroxbd, Friday, January 10, 2014, 4:16:47 AM, you wrote: The ebuilds have approximately the same time to install, the failure rate is about the same, emerge is getting slower. I am curious about the slowness of emerge. How about profile the portage and rewrite the time-crucial part in C/C++, or ideally, borrowing the counterpart from paludis? How feasible is that? I guess the dep-tree calculation is the slowest part. If you had the PortageQOS you would see what change slowed down Portage. And the problem could have already been fixed. You could make fast and correct decisions. True, it could be possible that some parts of the portage need to be rewritten. May be Python was the wrong decision, may be it's better to use C++. (Yes, I expect to be condemned over here before I'm banned, a sacrifice for the better Gentoo somebody had to make). Do you remember how many problems portage had with Python? It's like Gentoo is for Python not for anything else. Why not to get rid of Python at all. What is so great in Python that Gentoo exists for the sake of it? And when next thing is introduced - you can see how it works world wide. On some older PC the new portage works for 4-6 minutes before it FAILS. If the portage is going to be a little bit smarter again - you would need a new hardware to run it. And nobody cares, of course it's better to hide don't know or run from problems than know about them and fix them. 300 devs, are NOT ABLE to make portage fast in 8 years. -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Re: Portage QOS
Am 10.01.2014 13:10, schrieb Igor: Hello Chris, Friday, January 10, 2014, 1:08:39 AM, you wrote: Right here is the big problem: you're not looking at this from the perspective of the average Gentoo developer. We don't care about market share. We don't care whether we're on top for another few years. There are several forks of Gentoo. I doubt most devs care about them. I personally know that we're not going to compete with Debian, which has a huge contributor, or Ubuntu or Red Hat, which have whole companies behind them. You're selling this as if you're selling to a company which wants to be on the top of the market and beating out competitors, and that's not what we are. We are a source-based distro that requires some effort from users, and people want that or they don't want it. What we need is a vote YES or NO. If you against it - vote NO. It's perfectly normal, if there would be no NO there would be no need voting. Thank you for you opinion. The competition in open source world is much harder than with commercial software. 3 commercial systems share 96% of the users. 1,6% of the users are shared by 296 Linux distros You may think that you're outside this rules but the competition is natural on the planet and Gentoo is certainly competing weather you want it or not. Competition was long before a human foot stood on the ground for the first time :-) And suddenly there is no competition in Linux world - do you really belive in it? There is no really competition for the non-enterprise systems. It is a co-existance (one might even call it some kind of symbiosis). Please take your business nonsense somewhere else. Honestly, you sound like some suit with his powerpoint slides talking about buzz-words like 'competitors', 'keeping in power', 'QoS' … There were also numerous threads already about the very same topic. Most came to the conclusions that a) Gentoo is not dying b) the numbers used as arguments are inaccurate at best (how do you count 'Gentoo users'? And do you want users or machines? And what with persons using different systems) - René
Re: [gentoo-dev] Portage QOS
Am 10.01.2014 13:23, schrieb Igor: You could make fast and correct decisions. There is no such thing as the single correct decision. Management people often think there is, but this is because management people often have no clue what they are talking about. Why not to get rid of Python at all. What is so great in Python that Gentoo exists for the sake of it? What is so bad with Python? Also keep in mind: A bad/wrong algorithm does not get better just because you change the implementation language. 300 devs, are NOT ABLE to make portage fast in 8 years. You obviously have no idea how Gentoo works. - René
Re: [gentoo-dev] Portage QOS
Hello Heroxbd, Friday, January 10, 2014, 4:16:47 AM, you wrote: The ebuilds have approximately the same time to install, the failure rate is about the same, emerge is getting slower. I am curious about the slowness of emerge. How about profile the portage and rewrite the time-crucial part in C/C++, or ideally, borrowing the counterpart from paludis? How feasible is that? I guess the dep-tree calculation is the slowest part. And to think about it - Python is a slow big snake. And Gentoo is the fastest of penguins. So why do we send Gentoo for food riding on Python? If it were death we send Gentoo for then I would choose Python but food? Isn't it making them both slow and food isn't coming? -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Portage QOS
On 01/10/2014 08:30 PM, Igor wrote: Hello Heroxbd, Friday, January 10, 2014, 4:16:47 AM, you wrote: The ebuilds have approximately the same time to install, the failure rate is about the same, emerge is getting slower. I am curious about the slowness of emerge. How about profile the portage and rewrite the time-crucial part in C/C++, or ideally, borrowing the counterpart from paludis? How feasible is that? I guess the dep-tree calculation is the slowest part. And to think about it - Python is a slow big snake. And Gentoo is the fastest of penguins. No, Python isn't slow. Bad code is bad. You can write bad code in any language. So why do we send Gentoo for food riding on Python? If it were death we send Gentoo for then I would choose Python but food? I'm finding it very hard to stay polite, because ... honestly? You have no idea what you're talking about. If you want things to change - hire a few of us fulltime to work on things, and you'll get the change you want. Until then there's no need to point out that we are lacking manpower to do large-scale changes, because that's been a constant in most opensource projects since the 1960s. Less talking, more doing - provide patches and stop polluting our mailing list with your madness.
Re: [gentoo-dev] Portage QOS
Hello Heroxbd, Friday, January 10, 2014, 4:27:00 AM, you wrote: IMHO, the bleeding-edgeness and stability form a balance. We cannot achieve both. Taking RHEL for example, it uses ancient software for the sake of stability. Gentoo is way off the other extreme. For the udev change, the upstream has been doing evil and eudev is not introduced as the default for Gentoo (yet). New software breaks things, and security-updated old software needs extra care: That's the fundamental problem we couldn't circumvent. True, it's fundamentally impossible for Gentoo to get rid of all the problems with ebuilds. What I offer is to make the response and self-assessment on Gentoo changes automated and fast. Then it will be getting better by itself. The rate of experience Dev is attaining will jump several times up and the level drudgery will decrease in the same proportion. And it's perfectly in Gentoo style. This is the fastest penguin, erroneously married to a snake because the marriage looked easy from the first but now it's getting harder and harder. We have the Penguin but forgot to add neurons to his skin. He is poked but doesn't know about that and doesn't respond because he can't feel. -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Re: Portage QOS
Hello René, Friday, January 10, 2014, 4:26:03 PM, you wrote: You may think that you're outside this rules but the competition is natural on the planet and Gentoo is certainly competing weather you want it or not. Competition was long before a human foot stood on the ground for the first time :-) And suddenly there is no competition in Linux world - do you really belive in it? There is no really competition for the non-enterprise systems. It is a co-existance (one might even call it some kind of symbiosis). Please take your business nonsense somewhere else. Honestly, you sound like some suit with his powerpoint slides talking about buzz-words like 'competitors', 'keeping in power', 'QoS' … There were also numerous threads already about the very same topic. Most came to the conclusions that a) Gentoo is not dying b) the numbers used as arguments are inaccurate at best (how do you count 'Gentoo users'? And do you want users or machines? And what with persons using different systems) You're living right not in competition. If you're on an island you compete with animals for food and water. If you're in a condo - hell, you know how many on this planet WISH to live in your house right now and what stops them from doing that? And you belive that you're outside competition. It looks unreal. Gentoo is in competition with other distros - it's real and happens right now. Are you absolutely sure that in the condition when nobody knows how Portage works we may go that far as saying we have a healthy Penguin? -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Re: Portage QOS
Am 10.01.2014 13:52, schrieb Igor: And you belive that you're outside competition. It looks unreal. Gentoo is in competition with other distros - it's real and happens right now. Again, just because this science called 'Economics' believes, everything is in competition, does not change reality. Are you absolutely sure that in the condition when nobody knows how Portage works we may go that far as saying we have a healthy Penguin? If I want to know whether or not a penguin is healthy, I'd ask my mum (she's a vet). - René
Re: [gentoo-dev] Portage QOS
Hello Patrick, Friday, January 10, 2014, 4:39:59 PM, you wrote: No, Python isn't slow. Bad code is bad. You can write bad code in any language. Are you sure? Take a look here: http://benchmarksgame.alioth.debian.org/u32q/benchmark.php?test=alllang=python3lang2=gppdata=u32q of course these stats are all so fake, and you may not belive them. I've been using C/C++ since school it's fast, even bad code is working fast. I WOULD NEVER BELIVE PYTHON IS AS FAST AS C++ with math algorithms that do calculate staff and not call functions from pre-complied objects written in C/C++. It's crazy that you're even trying to state it. Take a look at what Python is producing in disasm and then look at it in G++. So why do we send Gentoo for food riding on Python? If it were death we send Gentoo for then I would choose Python but food? I'm finding it very hard to stay polite, because ... honestly? You have no idea what you're talking about. Or vice versa. If you want things to change - hire a few of us fulltime to work on things, and you'll get the change you want. Until then there's no need to point out that we are lacking manpower to do large-scale changes, because that's been a constant in most opensource projects since the 1960s. Less talking, more doing - provide patches and stop polluting our mailing list with your madness. See tge subject of this letter. The whole point of this conversation is that I offered to design it and program it and offered HARDWARE for it but we can't get to the point because it's not clear for everyone if we need it. If high command not needing it it will find means to kill it and I'm very busy, really very busy - can't afford to spend that much time on something not useful. We're in the middle of negotiations here. -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Portage QOS
Hello Patrick, Friday, January 10, 2014, 4:39:59 PM, you wrote: Bad code is bad. You can write bad code in any language. BTW Perl is faster than Python too. Try writing quick sort in Perl, Ptyhon and G++ then dump the memory. And watch the miracle. -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Portage QOS
Am 10.01.2014 14:05, schrieb Igor: Hello Patrick, Friday, January 10, 2014, 4:39:59 PM, you wrote: No, Python isn't slow. Bad code is bad. You can write bad code in any language. Are you sure? Take a look here: http://benchmarksgame.alioth.debian.org/u32q/benchmark.php?test=alllang=python3lang2=gppdata=u32q of course these stats are all so fake, and you may not belive them. I've been using C/C++ since school it's fast, even bad code is working fast. I WOULD NEVER BELIVE PYTHON IS AS FAST AS C++ with math algorithms You do realize, that we are not doing math (read: number crunching) here? And again: What is needed is streamlining the algorithms (discussion on that already started as far as I could notice). An algorithm in O(n³) is always¹ worse than O(n). The constant factor added by the language difference is of no interest. It's crazy that you're even trying to state it. Take a look at what Python is producing in disasm and then look at it in G++. For a larger project, it often is more important to have readable and maintable code opposed to getting the last bit of performance. And Python is _far_ more readable and concise than C or C++ (imho). Due to lack of typechecking, I'm not so sure when it comes to maintainability though (there are test suites of course). - René ¹ For a large enough n.
Re: [gentoo-dev] Portage QOS
On Fri, Jan 10, 2014 at 7:41 AM, Igor lanthrus...@gmail.com wrote: What I offer is to make the response and self-assessment on Gentoo changes automated and fast. Then it will be getting better by itself. The rate of experience Dev is attaining will jump several times up and the level drudgery will decrease in the same proportion. Sounds great. Don't let commentary stand in your way. Just post a link to your code/patches when you have something to share, or if you're looking for contributors to join you. That's pretty-much how every substantial improvement to any FOSS project starts out. Rich
Re: [gentoo-dev] Portage QOS
Hi Igor, Igor lanthrus...@gmail.com writes: I've been using C/C++ since school it's fast, even bad code is working fast. I WOULD NEVER BELIVE PYTHON IS AS FAST AS C++ with math algorithms that do calculate staff and not call functions from pre-complied objects written in C/C++. It's crazy that you're even trying to state it. Take a look at what Python is producing in disasm and then look at it in G++. So why do we send Gentoo for food riding on Python? If it were death we send Gentoo for then I would choose Python but food? I'm finding it very hard to stay polite, because ... honestly? You have no idea what you're talking about. Or vice versa. If you want things to change - hire a few of us fulltime to work on things, and you'll get the change you want. Until then there's no need to point out that we are lacking manpower to do large-scale changes, because that's been a constant in most opensource projects since the 1960s. Less talking, more doing - provide patches and stop polluting our mailing list with your madness. See tge subject of this letter. The whole point of this conversation is that I offered to design it and program it and offered HARDWARE for it but we can't get to the point because it's not clear for everyone if we need it. If high command not needing it it will find means to kill it and I'm very busy, really very busy - can't afford to spend that much time on something not useful. I appreciate your intension to make Gentoo better, at the same time I could not share the view with you. Here is the checklist for you: 1. I got a brilliant idea! goto 2 2. Can I realize it by myself? Y, goto 6; N goto 3 3. Can I convince someone to do it for me? Y, goto 6; N goto 4 4. Can I hire someone to do it for me? Y, goto 6; N goto 5 5. Nothing could be achieved :( 6. After rounds of hard work, it comes true :D Seems that you got stuck at 5. Sorry if you are not willing to adjust your attitude, your subsequent will be ignored. Some of the details of your proposal do interest me, such as an automatic build.log / emerge --info uploader. Supporting mail reply to bugzilla will even be cooler (which can be used to upload build.log and emerge --info of course). Cheers, Benda
Re: [gentoo-dev] Portage QOS
On Fri, Jan 10, 2014 at 8:10 AM, Igor lanthrus...@gmail.com wrote: Hello Patrick, Friday, January 10, 2014, 4:39:59 PM, you wrote: Bad code is bad. You can write bad code in any language. BTW Perl is faster than Python too. Try writing quick sort in Perl, Ptyhon and G++ then dump the memory. And watch the miracle. I think you're missing the point. If I ask somebody who knows nothing about algorithms to sort a list in Python they're going to use foo.sort(). If I ask somebody who knows nothing about algorithms to sort a list in C they're going to write a bubble sort, and it will be WAY slower for anything more than a dozen elements. Honestly, you're writing as if you're talking to a bunch of people who don't know anything about how computers work, and the reality is that you'll be hard-pressed to find an audience more familiar with compilers/toolchains/linkers/etc just about anywhere. If you have the right algorithm nobody is arguing that it will run faster if compiled from correctly-written C. The problem is that right now we don't have the right algorithm, and we're likely to get a lot further with fixing that faster in a language like python than in C. But, nobody is opposing the work - there are two alternative package managers for Gentoo today, and one of them is full-featured. Neither are written in python. Rich
Re: [gentoo-dev] Portage QOS
On Fri, 10 Jan 2014 18:10:05 +0900 hero...@gentoo.org wrote: Tom Wijsman tom...@gentoo.org writes: I am curious about the slowness of emerge. Try a --backtrack=0 approach, I no longer need to increase it. :) on a random box: time emerge --backtrack=0 -pe @world [...] real0m30.016s user0m29.268s sys 0m0.704s time emerge -pe @world [...] real0m35.037s user0m30.824s sys 0m1.136s not a big difference? Well, it has to actually backtrack to make a difference; if there's no need to, it won't differ. But when there is need to, it takes longer. That's why it has been described as dynamic; you are either affected by a lot of backtracking or you don't, seems you are on the lucky side now. -- With kind regards, Tom Wijsman (TomWij) Gentoo Developer E-mail address : tom...@gentoo.org GPG Public Key : 6D34E57D GPG Fingerprint : C165 AF18 AB4C 400B C3D2 ABF0 95B2 1FCD 6D34 E57D signature.asc Description: PGP signature
Re: [gentoo-dev] Portage QOS
On Fri, 10 Jan 2014 09:02:46 -0500 Rich Freeman ri...@gentoo.org wrote: On Fri, Jan 10, 2014 at 8:10 AM, Igor lanthrus...@gmail.com wrote: If I ask somebody who knows nothing about algorithms to sort a list in Python they're going to use foo.sort(). If I ask somebody who knows nothing about algorithms to sort a list in C they're going to write a bubble sort, and it will be WAY slower for anything more than a dozen elements. This assumes that the person doesn't do it manually in Python and doesn't make use of already implemented functionality (eg. qsort) in C, which jumps out as the first Google result; generalizations like these are subjective, because it's just your view and thoughts of reality. Honestly, you're writing as if you're talking to a bunch of people who don't know anything about how computers work, and the reality is that you'll be hard-pressed to find an audience more familiar with compilers/toolchains/linkers/etc just about anywhere. Indeed, a lot of us are CompSci students have that algorithmic complexity drilled in since the first year. If we need performance, we'll put it to great use; an occasional prototype, not so much. If you have the right algorithm nobody is arguing that it will run faster if compiled from correctly-written C. The problem is that right now we don't have the right algorithm, and we're likely to get a lot further with fixing that faster in a language like python than in C. Actually, language doesn't even matter here; just push that power off button 'n get back to paper, then fix it in even faster pseudo code. :) (Well, unless you type pseudo code faster than you write it down ... :P) -- With kind regards, Tom Wijsman (TomWij) Gentoo Developer E-mail address : tom...@gentoo.org GPG Public Key : 6D34E57D GPG Fingerprint : C165 AF18 AB4C 400B C3D2 ABF0 95B2 1FCD 6D34 E57D signature.asc Description: PGP signature
Re: [gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
torsdag 09 januari 2014 23.18.28 skrev Ryan Hill: On Thu, 09 Jan 2014 21:58:46 +0100 Magnus Granberg zo...@gentoo.org wrote: Some time ago we discussed that we should enable stack smashing (-fstack-protector) by default. So we opened a bug to track this [1]. The affected Gcc version will be 4.8.2 and newer. Only amd64, x86, mips, ppc, ppc64 and arm will be affected by this change. You can turn off ssp by using the nossp USE flag or by adding -fno-stack-protector to the CFLAGS and/or CXXFLAGS. We are using the same patch as Debian/Ubuntu but with some Gentoo fixes. The patch will move the sed for the HARD_CFLAGS, ALLCFLAGS and ALLCXXFLAGS from do_gcc_PIE_patches() to make_gcc_hard(). We will make_gcc_hard() the default for all Gcc versions 4.8 and newer, and turn it on or off with hardened_gcc_works() that will make some sanity checks. I went ahead and spun a new patchset for the compiler-side stuff if anyone wants to start playing around. - apply the eclass patch from bug #484714 (the one attached to Magnus' email wouldn't apply for me but maybe my mailer mangled it) - in gcc-4.8.2.ebuild do: -PATCH_VER=1.3 +PATCH_VER=1.4-ssptest -PIE_VER=0.5.8 +PIE_VER=0.5.9-ssptest BTW Magnus, thanks for doing this. Hi Have patched toolchain.eclass with the patch and with your change. Updated 4.8.2 updated with the needed changes and commit it. The use hardened gcc-specs-ssp append-cflags $(test-flags-CC -fno-stack- protector) in glibc's common.eblit is fixed to. So default ssp is out in the tree :) /Magnus signature.asc Description: This is a digitally signed message part.
Re: [gentoo-dev] Re: Portage QOS
On Fri, 10 Jan 2014 16:52:12 +0400 Igor lanthrus...@gmail.com wrote: You're living right not in competition.If you're on an island you compete with animals for food and water. If you're in a condo - hell, you know how many on this planet WISH to live in your house right now and what stops them from doing that? And you belive that you're outside competition. It looks unreal. Gentoo is in competition with other distros - it's real and happens right now. That's the marketing view on it; but now take a look from the customer view, why am I and you on Gentoo or one of its derivatives and not on some other distribution out there. Exactly, Gentoo provides some things that are hard to find in other distributions; patching the source, having more choice, remove features you don't need, etc... Customers are looking for that; my thought exactly when I was looking for Gentoo was I want to be able to easily manipulate what I use, Gentoo's ability to just patch the source code is great for that. I'd be scared of going to a binary distro, the distros where you are source based are quite limited; if I'd quit Gentoo, I'm for sure I'll either be on a Gentoo-derived distribution or build something similar. The former makes me still be on Gentoo, or at least its idea; the latter might be quite an effort that'll take quite some time too get going, but I'll know for sure if that ever jumped my mind that I would miss the Portage tree and so on. So, other non-derived distros don't really look like competitors to me; they might satisfy a set of our customers, but then you can just as well realize that those customers have no real need for Gentoo and were bound to leave sooner or later anyway. As for derived distros; forking is great, right? We are no longer using the old solid wheels that break or the old cars that fail to continue to drive after a bit of usage; no, we are using well designed, well implemented, well tested wheels and cars that continue to drive for months to years. And as an example, we also have ideas like those small cars which only fit one person; who knows, that idea never catches on in public. But at least we've satisfied the needs of a few people out there; not everyone wants to have such a car, just a few persons that are in need for it. Are you absolutely sure that in the condition when nobody knows how Portage works we may go that far as saying we have a healthy Penguin? Reverse engineering a car will not say anything about its health; fixing its bugs, testing it and supporting it however will. Otherwise we could claim solid wheels and old cars to still be healthy. -- With kind regards, Tom Wijsman (TomWij) Gentoo Developer E-mail address : tom...@gentoo.org GPG Public Key : 6D34E57D GPG Fingerprint : C165 AF18 AB4C 400B C3D2 ABF0 95B2 1FCD 6D34 E57D signature.asc Description: PGP signature
[gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
On Fri, 10 Jan 2014 01:35:09 -0500 Rick \Zero_Chaos\ Farina zeroch...@gentoo.org wrote: More to the point, this specific use flag appears to have no purpose what-so-ever. If a user can do exactly the same with CFLAGS=-fno-stack-protector in make.conf, and it would be INSANE for a package to dep on gcc[nossp] then this is has got to be one of the most useless use flags in gentoo. Having slept on it I'm starting to agree. My first argument was that on hardened ssp is -fstack-protector-all, which is much more expensive, and it adds -fstack-check and -z,now to the linker by default as well. The pie half adds -fPIE but also a crtbeginP section for linking static libs with -pie. So there are situations where you want to disable one or both, if only for testing. But what I forgot is that hardened installs multiple gcc-config profiles to switch these out on the fly. So there goes that idea. It might be useful to have these flags so we can mask them on archs that don't support ssp/pie. But that's always been true and it looks like sh is the only place we've bothered for some reason. Not saying I would block this patch, not saying it has to be this second, but I see this use flag as a small example of things in toolchain which could probably be cleaned up if fresh eyes were to see things. Yes, and believe it or not I appreciate the input. I know I'm stubborn as hell but eventually common sense gets through. -- Ryan Hillpsn: dirtyepic_sk gcc-porting/toolchain/wxwidgets @ gentoo.org 47C3 6D62 4864 0E49 8E9E 7F92 ED38 BD49 957A 8463 signature.asc Description: PGP signature
Re: [gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
torsdag 09 januari 2014 17.56.56 skrev Ryan Hill: On Thu, 09 Jan 2014 21:58:46 +0100 Magnus Granberg zo...@gentoo.org wrote: - use hardened make_gcc_hard + if ( tc_version_is_at_least 4.8 || use hardened ) ! use vanilla ; then s/4.8/4.8.2 Or should we wait until the next release (4.8.3 or 4.9.0)? I think I'd prefer it but I don't have a good reason. What gcc-config profiles get installed after this patch? We have only one now. But we can add a nossp but i would only use it for debuging and it don't mix well with distcc. The GCC_SPECS is not trasfered betvine the host and guest. /Magnus signature.asc Description: This is a digitally signed message part.
[gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
On Fri, 10 Jan 2014 16:24:38 +0100 Magnus Granberg zo...@gentoo.org wrote: Hi Have patched toolchain.eclass with the patch and with your change. Updated 4.8.2 updated with the needed changes and commit it. The use hardened gcc-specs-ssp append-cflags $(test-flags-CC -fno-stack- protector) in glibc's common.eblit is fixed to. Cool, I forgot about that. ;) So default ssp is out in the tree :) FYI it's masked for testing for now. I will send out a news item soon. -- Ryan Hillpsn: dirtyepic_sk gcc-porting/toolchain/wxwidgets @ gentoo.org 47C3 6D62 4864 0E49 8E9E 7F92 ED38 BD49 957A 8463 signature.asc Description: PGP signature
Re: [gentoo-dev] Re: Portage QOS
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[gentoo-dev] Question, Portage QOS
Hello All, Thank you for all our feedback! It's very good that we have all many different views on the same subject. The nature designed us in a way that some part of us is to survive in almost any situation. If everyone thought the same they would make the same decisions and the probability of survival would decrease. So it's all very natural and I didn't expect it going easy. In project like that I can't rush to programming it without everyone's approval. This part of the project should have been implemented with the first portage version by it's creator. But as I'm not this person I'll need the expertise of the whole community. Let's agree on following - I'll design the system in details on paper. When it's ready (~ 1.5 months) I'll get back here and share the details. Then we all review it again everyone could contribute it's own view and part and help to avoid some design problems if there are. And then when the final version is ready and there is support and understanding of everyone and everyone says YES and sees that system could be helpful - I'll get in running in ~ 1.5 years alone or if I find some help - faster. I would anyway need this design to effectively program the soft. It's the first step, no matter if there is the second. Do we have an agreement on this one from everyone of the list? Please vote. -- Best regards, Igor mailto:lanthrus...@gmail.com
Re: [gentoo-dev] Question, Portage QOS
On Fri, Jan 10, 2014 at 08:48:30PM +0400, Igor wrote: Do we have an agreement on this one from everyone of the list? Agreement on what, precisely...? In open source, better implementations usually gain more mindshare. If you think you can write one (and the project is interesting to you) go forth and produce code! ;-)
Re: [gentoo-dev] Question, Portage QOS
Igor wrote: Let's agree on following - I'll design the system in details on paper. When it's ready (~ 1.5 months) I'll get back here and share the details. You might be surprised how little people care about good design. They choose kindof-working implementation every time. //Peter
Re: [gentoo-dev] Question, Portage QOS
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 10/01/14 11:48 AM, Igor wrote: Hello All, Thank you for all our feedback! It's very good that we have all many different views on the same subject. The nature designed us in a way that some part of us is to survive in almost any situation. If everyone thought the same they would make the same decisions and the probability of survival would decrease. So it's all very natural and I didn't expect it going easy. In project like that I can't rush to programming it without everyone's approval. This part of the project should have been implemented with the first portage version by it's creator. But as I'm not this person I'll need the expertise of the whole community. Let's agree on following - I'll design the system in details on paper. When it's ready (~ 1.5 months) I'll get back here and share the details. Then we all review it again everyone could contribute it's own view and part and help to avoid some design problems if there are. And then when the final version is ready and there is support and understanding of everyone and everyone says YES and sees that system could be helpful - I'll get in running in ~ 1.5 years alone or if I find some help - faster. I would anyway need this design to effectively program the soft. It's the first step, no matter if there is the second. Do we have an agreement on this one from everyone of the list? Please vote. I think it's great you are looking for (developer) community feedback, but it probably should be made clear that unless this project is going to go through official channels (ie, GLEP), it will be an independent project. Not that there's anything wrong with this, but it sounds like there are some assumptions that the design or implementation will just automatically be integrated. At this point, it doesn't sound like this project would be anywhere near ready to go through official channels, so your best bet would probably be to continue working on it as an independent project. And as such, agreement from everyone really has no meaning or value in this context. Good luck! -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.22 (GNU/Linux) iF4EAREIAAYFAlLQKtIACgkQ2ugaI38ACPCREgD+PUTaIF56RdLjFt64Xx8HraZJ qxHdYKfhY4eGlrVcYssA/jsbCruhMgwvMdoJVqKKWuTlzpkVUCjodYtWU0RH/mxw =gY62 -END PGP SIGNATURE-
[gentoo-dev] Question, Portage QOS v2
Hello All, As there are questions at to what we vote. -- Thank you for all our feedback! In project like that I can't rush to programming it without everyone's approval. This part of the project should have been implemented with the first portage version by it's creator. But as I'm not this person I'll need the expertise of the whole community. Let's agree on following - I'll design the system in details on paper but no code will be produced at this stage. When it's ready (~ 1.5 months) I'll get back here and share the design sketches with you. Then we all review it again everyone could contribute it's own view and part and help to avoid some design problems if there are. I need an agreement on this stage from the list. If you consider PortageQOS is not necessary please vote NO. If you consider PortageQOS might have a chance and it depends on implementation say YES. Please vote. If NO there is no need to spend time even on sketches. If YES - there will be a system design ready and we could at least imagine how it might work as a whole and benefits it might bring. PS No way PortageQOS will work without uniform agreement. That thing was missing from portage design from the start and now with the legacy it's either everyone is willing to give it a try or none. I don't want to push somebody to something he doesn't see purpose for. There are people here who spent lots of time on the project and it might be left as is if they don't want any change. -- Best regards, Igor mailto:lanthrus...@gmail.com
Re: [gentoo-dev] Question, Portage QOS v2
Am Freitag 10 Januar 2014, 21:18:58 schrieb Igor: Hello All, As there are questions at to what we vote. -- Realistically most people haven't even read your mails (too much bla). -- Andreas K. Huettel Gentoo Linux developer kde, council
[gentoo-dev] Question, Portage QOS v3
Hello All, As there are more questions rose. See you can't just think of everything, what you need is an ability to improve fast :-) -- Thank you for all our feedback! In project like that I can't rush to programming it without everyone's approval. This part of the project should have been implemented with the first portage version by it's creator. But as I'm not this person I'll need the expertise of the whole community. Let's agree on following - I'll design the system in details on paper but no code will be produced at this stage. When it's ready (~ 1.5 months) I'll get back here and share the design sketches with you. Then we all review it again everyone could contribute it's own view and part and help to avoid some design problems if there are. I need an agreement on this stage from the list. If you consider PortageQOS is not necessary please vote NO. If you consider PortageQOS might have a chance and it depends on implementation say YES. Please vote. If NO there is no need to spend time even on sketches. If YES - there will be a system design ready and we could at least imagine how it might work as a whole and benefits it might bring. -- BY VOTING WE MAKE NO ASSUMPTION that the PROJECT is going to be INTEGRATED in GENTOO without further approval. At this stage the design will serve only as a demonstration that such system could actually be implemented and used for benefits of GENTOO project. If community finds the design worth trying we'll push it for approval and then it will be implemented. -- PS No way PortageQOS will work without uniform agreement. That thing was missing from portage design from the start and now with the legacy it's either everyone is willing to give it a try or none. I don't want to push somebody to something he doesn't see purpose for. There are people here who spent lots of time on the project and it might be left as is if they don't want any change. -- Best regards, Igor mailto:lanthrus...@gmail.com
Re: [gentoo-dev] Question, Portage QOS v2
Hello Andreas, Friday, January 10, 2014, 9:20:17 PM, you wrote: As there are questions at to what we vote. -- Realistically most people haven't even read your mails (too much bla). Please read the following and vote. What PortageQOS will be able to accumulate: * Knowledge of the number of Gentoo distros installed world wide - knowing the trend how many users choose Gentoo and where Gentoo is really going down|up|stands still. You can then try different features and see how a feature is met - if the number of systems increase then this feature is probably useful. It's a strategical job, somebody at the very top of the project should analyze databases and make conclusions. * Knowledge of the ebuild popularity - what ebuilds are popular and what are not - what ebuild to give an extra focus and what ebuild could wait * Knowledge of ebuild quality. If some ebuilds fail on many systems - something is wrong and ebuild and may be portage need fixing. It's especially useful to make sure that all ebuilds have correct dependencies, missing dependencies, etc. * A formal esteem of portage quality PortageQ = (the number of successful ebuilds/the number of all ebuild attempts) Portage speed efficiency: Average time before build starts (or download starts) How many times portage fails itself. * Immediate problem detection. If the number of PortageQ went down last day - there is some problem. (then you go to ebuild stats and see what is failing) * Reducing load on bugtracker folks - the build problems will be detected automatically and solved according to their importance. There will be no need to supply bug tracker with ebuild logs and emerge --info if somebody wants to report a problem. * Team efficiency esteem. The stats will tell what ebuilds are failing most often. * Team automated info. When failure rate of a certain ebuild increase the maintainer is automatically informed and he can login in web-interface and see details how exactly ebuild failed. The same for the portage itself. Next day a maintainer could push a new ebuild in the portage and the problem might be solved. It's not possible not to make mistakes. But it's possible to react on their consequences fast. * Knowledge what kernels are used by Gentoo users, how often they update their systems, what flags are used 2nd turn goals: * to integrate forums.gentoo.org and bug tracker. People are offering great workarounds and solutions. But they're not known to the majority of Gentoo users. If a e-build fails - may be there is already a solution - and we can offer the solutions automatically from portage. Like: There might be some work-arounds on this problem: [Gentoo Forum - qt-core ebuild fails - SOLVED] htpp://forums.gentoo.org/. There is a known bug on this ebuild: [Gentoo Bug - qt-core ebuild fails] htpp://forums.gentoo.org/. * to make Bug Tracker almost unmanned. We can use gathered infromation on failed e-builds to create bugs in Bug Tracker automatically and automatically set priorities according to the severity. The severity could be assigned automatically from package popularity and failure rate stats. These are the bricks that will be added in the initial design. -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Question, Portage QOS v3
On Fri, 10 Jan 2014 21:26:47 +0400 Igor lanthrus...@gmail.com wrote: In project like that I can't rush to programming it without everyone's approval. You don't need anyone's approval to do anything. Just go for it. jer
Re: [gentoo-dev] Question, Portage QOS v2
Hello Andreas, Friday, January 10, 2014, 9:20:17 PM, you wrote: Realistically most people haven't even read your mails (too much bla). And one more goal - without PortageQOS you're forever stuck with the legacy portage design. If the team ever decides to change Portage you'll need feedback on how the new portage works to patch it quickly in case there are troubles. It's too risky to touch portage right now. Everyone understands that this is a kamikaze job. -- Best regards, Igormailto:lanthrus...@gmail.com
Re: [gentoo-dev] Re: Portage QOS
On Fri, Jan 10, 2014 at 04:10:18PM +0400, Igor wrote: Hello Chris, Friday, January 10, 2014, 1:08:39 AM, you wrote: Right here is the big problem: you're not looking at this from the perspective of the average Gentoo developer. We don't care about market share. We don't care whether we're on top for another few years. There are several forks of Gentoo. I doubt most devs care about them. I personally know that we're not going to compete with Debian, which has a huge contributor, or Ubuntu or Red Hat, which have whole companies behind them. You're selling this as if you're selling to a company which wants to be on the top of the market and beating out competitors, and that's not what we are. We are a source-based distro that requires some effort from users, and people want that or they don't want it. What we need is a vote YES or NO. If you against it - vote NO. It's perfectly normal, if there would be no NO there would be no need voting. Thank you for you opinion. The competition in open source world is much harder than with commercial software. 3 commercial systems share 96% of the users. Really? What market? Last I looked, more Linux systems were being run on processors than any other single kernel. Don't confuse desktops for all of computing. 1,6% of the users are shared by 296 Linux distros Really? And what is the number of total users you are talking about here? You may think that you're outside this rules but the competition is natural on the planet and Gentoo is certainly competing weather you want it or not. No, we aren't competing with anyone, please realize that this is not how Linux distros and the ecosystem works at all. Remember, Red Hat is Gentoo's engineering team :) good luck, greg k-h
Re: [gentoo-dev] Portage QOS
On Fri, 10 Jan 2014 08:31:21 +0800 Patrick Lauer patr...@gentoo.org wrote: On 01/10/2014 08:16 AM, hero...@gentoo.org wrote: Igor lanthrus...@gmail.com writes: The ebuilds have approximately the same time to install, the failure rate is about the same, emerge is getting slower. I am curious about the slowness of emerge. How about profile the portage and rewrite the time-crucial part in C/C++, or ideally, borrowing the counterpart from paludis? How feasible is that? Last I checked paludis wasn't faster - on average portage was a few percents faster. Your benchmark was comparing uncached behaviour, where bash is the slow part and which users don't see. You were also not comparing like with like -- any benchmarks of this nature should be taken with a heavy pinch of salt, since Portage with everything turned on does less validation that Paludis does with everything turned off... -- Ciaran McCreesh signature.asc Description: PGP signature
Re: [gentoo-dev] Portage QOS
On Fri, 10 Jan 2014 09:16:47 +0900 hero...@gentoo.org wrote: or ideally, borrowing the counterpart from paludis? How feasible is that? It's not. -- Ciaran McCreesh signature.asc Description: PGP signature
Re: [gentoo-dev] Portage QOS
On Thu, 9 Jan 2014 17:52:16 -0800 Patrick McLean chutz...@gentoo.org wrote: Why not just switch to using pkgcore as the default package manager. radhermit has been doing a lot of work lately getting EAPI 5 support added, and generally fixing bugs etc. Pkgcore is dead (see: still no EAPI 5 support). If you're really thinking about switching, the way to go is to write a client for Paludis which mimics Portage's UI. But the politics make switching from Portage to anything a lost cause. -- Ciaran McCreesh signature.asc Description: PGP signature
Re: [gentoo-dev] Portage QOS
On Fri, 10 Jan 2014 14:18:24 +0100 René Neumann li...@necoro.eu wrote: And again: What is needed is streamlining the algorithms (discussion on that already started as far as I could notice). An algorithm in O(n³) is always¹ worse than O(n). The constant factor added by the Full dependency resolution is NP-hard... If you really wanted to streamline the algorithms, you'd change the inputs slightly. Most of the complexity of doing a decent job of dependency resolution comes from dealing with crap input. ¹ For a large enough n. ...which could be larger than the number of atoms in the universe. There are real world cases where an algorithm has an O(n^3) step that takes a day, and a O(2^n) step that takes a second for most inputs. You shouldn't be using O() to make performance comparisons. -- Ciaran McCreesh signature.asc Description: PGP signature
Re: [gentoo-dev] Question, Portage QOS v2
On Fri, 10 Jan 2014 21:46:18 +0400 Igor lanthrus...@gmail.com wrote: And one more goal - without PortageQOS you're forever stuck with the legacy portage design. If the team ever decides to change Portage you'll need feedback on how the new portage works to patch it quickly in case there are troubles. It's too risky to touch portage right now. Everyone understands that this is a kamikaze job. Uh, no. We already know lots of things that are wrong with the Portage design. We also know how to fix those things. Neither of those is the sticking point. -- Ciaran McCreesh signature.asc Description: PGP signature
Re: [gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 01/10/2014 10:50 AM, Ryan Hill wrote: On Fri, 10 Jan 2014 01:35:09 -0500 Rick \Zero_Chaos\ Farina zeroch...@gentoo.org wrote: More to the point, this specific use flag appears to have no purpose what-so-ever. If a user can do exactly the same with CFLAGS=-fno-stack-protector in make.conf, and it would be INSANE for a package to dep on gcc[nossp] then this is has got to be one of the most useless use flags in gentoo. Having slept on it I'm starting to agree. My first argument was that on hardened ssp is -fstack-protector-all, which is much more expensive, and it adds -fstack-check and -z,now to the linker by default as well. The pie half adds -fPIE but also a crtbeginP section for linking static libs with -pie. So there are situations where you want to disable one or both, if only for testing. But what I forgot is that hardened installs multiple gcc-config profiles to switch these out on the fly. So there goes that idea. It might be useful to have these flags so we can mask them on archs that don't support ssp/pie. But that's always been true and it looks like sh is the only place we've bothered for some reason. Not saying I would block this patch, not saying it has to be this second, but I see this use flag as a small example of things in toolchain which could probably be cleaned up if fresh eyes were to see things. Yes, and believe it or not I appreciate the input. I know I'm stubborn as hell but eventually common sense gets through. Well, that's why I asked for your opinion ;-) Now since I know you have plenty to do I'll leave you with this though bouncing around in there. When you are working on your updates, we would prefer that this nopie and nossp flags to bye bye. If you REALLY wanted a way to change the gcc profile then do for the normal users what the hardened team does and offer them multiple profiles. Obviously we should involved docs team at that point, but it makes much more sense to gcc-config 3 than rebuild gcc with a different use flag. Again, doesn't have to be this second, but I want it in your head since I know you are working on this stuff right now. Thanks! Zero -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJS0D3YAAoJEKXdFCfdEflK1HEP/jdF9nwxpDde8j4PMypeZSm8 FKG0l3MmMr6+2joKkgZSLqVebiTcc8OtCgpk6UJJVEWSpNMWqrjqX5oTkIBAJisr sGUVGJEAyDCCsNJwTtbW/sBKw5r5Xh1zLk92T55YhaWBMTJPc4UzSqhpr+TBZ8wJ T77XOIPtxOdZYjubGqIm4lSWsgT/o0F0S6kge75iYm81omuBtZpAze6ePE2DteTj IinauiMUhqkTYXv6AXdBNv4dDLiInyDrdlUIFbWlawxsx64Wpt77j3jA2fHrRmEf 8MPvoRzLpX/7DPMDaS3WyGBVpM8CPNTaxQiXjC+giXNj4jkJyop/m6Q4a00wYvQg C+1o6JMEsYNlrIuSooInFxQ5OqARzna4lFc7Jp6+eMaBE4NhYkPkxJ7KOerD3IvI yW1lSN5gte/zxgm3Ny/96Zw/6+Jx5ffQNc8bCgE2+TxDG0wwB5qZGn/w6dl6gFYX jXD5dFmw3C5T2HhTIZ6j9n8b0MNkT71CzFA2O4EzEyPrI3b8KTmU6PkppT/Vwlo4 EHc/EUWdjSCPH/FzzJdcNbFUdvLCigZQqvaggN3Qjh/YyJRECXz6Hy2M8VTOg18a XVE36Z5/DNeobeBQ5XaKLcb5po22wJueJzKFdEK+GaSewzn+FXsNCquVZV9Y3lZC epKNxmbxtX/Uqx8q9+74 =++P6 -END PGP SIGNATURE-
Re: [gentoo-dev] Portage QOS
Am 10.01.2014 19:19, schrieb Ciaran McCreesh: On Fri, 10 Jan 2014 14:18:24 +0100 René Neumann li...@necoro.eu wrote: And again: What is needed is streamlining the algorithms (discussion on that already started as far as I could notice). An algorithm in O(n³) is always¹ worse than O(n). The constant factor added by the Full dependency resolution is NP-hard... Though NP-hard does not necessarily mean 'unfeasible in practice'. If you really wanted to streamline the algorithms, you'd change the inputs slightly. Most of the complexity of doing a decent job of dependency resolution comes from dealing with crap input. My intention really was not to tell anybody how the depres algorithms should be improved. I just wanted to make a point against the 'Python is the root of all the bad performance'. ¹ For a large enough n. ...which could be larger than the number of atoms in the universe. There are real world cases where an algorithm has an O(n^3) step that takes a day, and a O(2^n) step that takes a second for most inputs. You shouldn't be using O() to make performance comparisons. Point taken. I should've use 'in general' instead of 'always'. What I had in mind when writing this were more smaller problems, where a good algorithm exists but people use their own naïve implementation/data structure. - René
[gentoo-dev] Re: Portage QOS
Chris Reffett posted on Thu, 09 Jan 2014 16:08:39 -0500 as excerpted: To keep in power it's in your deepest interest to close the open gates that invite competition while the power is in your hands. PortageQOS is small step, it's not everything or main part of the system, it's a just small contribution. But it will close the door and you'll have another peaceful 8 years to rule. Right here is the big problem: you're not looking at this from the perspective of the average Gentoo developer. We don't care about market share. We don't care whether we're on top for another few years. There are several forks of Gentoo. I doubt most devs care about them. Agreed with Chris. @ Igor: Closed... open. You clearly don't seem to get it. There's a reason it's called open source, contrasting favorably with closed source. You're seriously pushing deliberately closing the door on people's choice? That's typical closed-source methology, and what many FLOSS folks would consider the antithesis of the entire reason they do what they do. And that's your sales point, to a community-based open- source-based distro, not to some closed source company like MS? If Gentoo dies, well, rest in peace, Gentoo, it was good while it lasted, but people moved on to something that suited their needs better. That's the whole point. If people are more comfortable with a binary distro, there's lots of them available, and many gentoo users and devs are even happy to take some time to listen to what a user needs and make the best recommendation they can about a distro that fits that need. If people want a distro that's near as expert level and with near the choice of gentoo, but don't want to /always/ have to build /everything/ from source, Arch Linux is over that way, or if you want to stick with the general gentoo idea but want a few tweaks, Funtoo's over that way, and Sabayon is over there. And if they want to go full-out and build /everything/ from source without gentoo's automated framework, well, Linux from Scratch is right over yonder too! The thing is, we don't see this as a game where if those distros win, we lose, or if we win, they lose. Instead, we're different players on the same team, and if we can helpfully direct users their way that are more comfortable with them than with us, great, and we'll hope they'll do the same with people who might be more comfortable here, too, but we're not making that a condition of our directing people we know will be more comfortable there to them. Similarly, we're on the same team when it comes to patches. No distro or their developers/maintainers want the *FULL* burden of supporting all those packages, and if Gentoo devs can find a Fedora or Debian patch that solves a problem we too have, or if we came up with a patch first that solves a problem they're having too, great, have at it! And in all that, if Gentoo's former devs and users all end up on Arch or LFS instead, as I said, rest in peace, Gentoo, it was good having known you, but your time appears to have been up, and others took your place. But you're talking deliberately closing doors and walling in users so they don't switch, instead of happily pointing them at distros they'd obviously be more comfortable with. WTF is that sort of attitude doing here in free/libre and open source in the first place? That's more the walled garden Apple or MS approach, not FLOSS. Meanwhile, you might try googling Zynot. That was one early, perhaps the first, Gentoo fork. Such talk of cutthroat competition in a zero-sum game, of deliberately cutting off user options so they'd be forced to stick with you, of it can be us or them, not both, etc, was exactly the sort of thing they tried. That was 2002/2003 or so. While the events and acrimony surrounding that did ultimately drive Gentoo's founder (Daniel Robbins) elsewhere, Gentoo survived (thanks in part to drobbins' efforts to secure a good future for it even at heavy personal cost to himself and his family as he was already in the process of leaving). Gentoo's still here, but where is zynot today? I remember back in early 2004 as I was researching my switch to gentoo, reading up on zynot, which was at that time still a going concern, and repeatedly asking myself as I read the essays from zynot's founder heavily criticizing gentoo and its founder, why can't he see what's happening, that every single thing he's negatively pointing at in gentoo and drobbins he and zynot are doing themselves in far greater measure, and why he was so stuck on closed source competitive techniques in an open source world. His very essays, supposedly criticizing gentoo, instead ended up convincing me more than ever that gentoo was /exactly/ the right choice for me. =:^) And... gentoo's still here, but where is zynot, today? I think I made the right choice then, and I'm still convinced it was then and remains now, the right choice, for me,
Re: [gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
On 01/10/2014 10:50 AM, Ryan Hill wrote: On Fri, 10 Jan 2014 01:35:09 -0500 Rick \Zero_Chaos\ Farina zeroch...@gentoo.org wrote: More to the point, this specific use flag appears to have no purpose what-so-ever. If a user can do exactly the same with CFLAGS=-fno-stack-protector in make.conf, and it would be INSANE for a package to dep on gcc[nossp] then this is has got to be one of the most useless use flags in gentoo. Having slept on it I'm starting to agree. My first argument was that on hardened ssp is -fstack-protector-all, which is much more expensive, and it adds -fstack-check and -z,now to the linker by default as well. The pie half I'm pretty sure we're not adding -fstack-check unless something has changed. Where are you seeing that? The reason I'm concerned is because of situations like bug #471756. stack-check incumbers a register which in some situations (like the asm in ffmpeg) can get you into trouble with not enough GENERAL_REGS. adds -fPIE but also a crtbeginP section for linking static libs with -pie. So there are situations where you want to disable one or both, if only for testing. But what I forgot is that hardened installs multiple gcc-config profiles to switch these out on the fly. So there goes that idea. It might be useful to have these flags so we can mask them on archs that don't support ssp/pie. But that's always been true and it looks like sh is the only place we've bothered for some reason. Yes please. I had this issue on mips where gcc didn't support ssp for early versions of gcc 4.x. Not saying I would block this patch, not saying it has to be this second, but I see this use flag as a small example of things in toolchain which could probably be cleaned up if fresh eyes were to see things. Yes, and believe it or not I appreciate the input. I know I'm stubborn as hell but eventually common sense gets through. -- Anthony G. Basile, Ph. D. Chair of Information Technology D'Youville College Buffalo, NY 14201 (716) 829-8197
[gentoo-dev] Re: Question, Portage QOS v3
Igor posted on Fri, 10 Jan 2014 21:26:47 +0400 as excerpted: PS No way PortageQOS will work without uniform agreement. That thing was missing from portage design from the start and now with the legacy it's either everyone is willing to give it a try or none. I don't want to push somebody to something he doesn't see purpose for. There are people here who spent lots of time on the project and it might be left as is if they don't want any change. In that case, don't bother, because as the saying goes, attempting to get 100% agreement on /anything/ in gentoo is like herding cats. It simply Does. Not. Work. The closest gentoo gets to 100% agreement is the ones who disagree agreeing to yield to the council's decision and shut up for the sake of maintaining the peace, believing time will eventually prove their point. Or they don't, and they ultimately end up either deciding to go elsewhere than gentoo on their own, or get booted by devrel, appeal to council goes against them, and undertakers and infra shut down their dev access permanently. In fact, some of those people ended up with exherbo (which AFAIK is a play on ex=former, and gentoo's larry the cow mascot) or other projects which you would consider entirely competing. Yet there's a few devs that contribute to both projects, and paludis is an accepted portage alternative, with PMS accepted (grudgingly by some devs) and declared by council to be a defining guideline for in-tree ebuilds. And both those projects are originally/primarily exherbo authored/contributed. -- Duncan - List replies preferred. No HTML msgs. Every nonfree program has a lord, a master -- and if you use the program, he is your master. Richard Stallman
Re: [gentoo-dev] Question, Portage QOS v3
Dnia 2014-01-10, o godz. 21:26:47 Igor lanthrus...@gmail.com napisał(a): As there are more questions rose. See you can't just think of everything, what you need is an ability to improve fast :-) A starting note: You've started *four* threads on the same subject *today* already. As a result, the whole discussion is shattered all over the place and if someone really wants to know all the details, he has to lose *a lot of time* reading all the individual threads and trying to compare and assemble. Please don't do that. Just start a single thread, and try to keep that discussion on subject. In project like that I can't rush to programming it without everyone's approval. This part of the project should have been implemented with the first portage version by it's creator. But as I'm not this person I'll need the expertise of the whole community. I don't know what kind of approval do you expect. I don't think Gentoo ever was much about 'officially approved', and I doubt we can give you any meaningful answer without prior testing. If you think it will be beneficial, start working on it. Once you get it working and we can see how it works, we can consider making it official. However, I'm afraid many of Gentoo users will not be interested in participating, or only interested in partial participation. What you're suggesting implies sending a lot of potentially private information. Many of our users will be concerned by that. I can't imagine it being any other way than opt-in. Then, many of our users will simply not care. As someone in the thread already noted, many of our users don't care about linuxcounter. Do you think they will actually care about your project? Not that I'm against it. I'm just trying to be realistic here. To convince Gentoo users, you have to really convince them that their privacy will be respected and they will be able to make most of it having to submit the least amount of data. This also implies that the output has to be really useful. But that's an entirely different topic that can't be answered without more thorough thinking. Let's agree on following - I'll design the system in details on paper but no code will be produced at this stage. When it's ready (~ 1.5 months) I'll get back here and share the design sketches with you. To be honest, I think ~1.5 month of paperwork sounds like serious overcomplexity. Please also remember that we're very limited on time, and work of ~1.5 month sounds like something we won't be able to read. Please try to think in smaller parts. Small, useful tools that could be integrated in the future to provide a better experience. Also, please try to look for other Gentoo projects that worked on similar topics, gentoostats for example. You may make use of some of the past experiences. -- Best regards, Michał Górny signature.asc Description: PGP signature
[gentoo-dev] Re: [PATCH] To enable ssp default in Gcc the toolchain.eclass need some changes.
On Fri, 10 Jan 2014 15:08:02 -0500 Anthony G. Basile bas...@opensource.dyc.edu wrote: On 01/10/2014 10:50 AM, Ryan Hill wrote: Having slept on it I'm starting to agree. My first argument was that on hardened ssp is -fstack-protector-all, which is much more expensive, and it adds -fstack-check and -z,now to the linker by default as well. The pie half I'm pretty sure we're not adding -fstack-check unless something has changed. Where are you seeing that? The reason I'm concerned is because of situations like bug #471756. stack-check incumbers a register which in some situations (like the asm in ffmpeg) can get you into trouble with not enough GENERAL_REGS. 40_all_gcc48_config_esp.patch: 54 + #if defined ( EFAULT_SSP ) || defined ( EFAULT_PIE_SSP ) 55 + #define ESP_OPTIONS_SSP_SPEC \ 56 + %{nostdlib|nodefaultlibs|ffreestanding|fno-stack-protector| \ 57 + fstack-protector|fstack-protector-all:;:-fstack-protector-all} \ 58 + %{fstack-check|fstack-check=*:;: -fstack-check} It might be useful to have these flags so we can mask them on archs that don't support ssp/pie. But that's always been true and it looks like sh is the only place we've bothered for some reason. Yes please. I had this issue on mips where gcc didn't support ssp for early versions of gcc 4.x. There's a list of arches in every gcc ebuild that support PIE and SSP for both glibc and uclibc. AFAICT you would just have to remove mips from that list. -- Ryan Hillpsn: dirtyepic_sk gcc-porting/toolchain/wxwidgets @ gentoo.org 47C3 6D62 4864 0E49 8E9E 7F92 ED38 BD49 957A 8463 signature.asc Description: PGP signature
Re: [gentoo-dev] Re: About pam herd status
On Thursday 09 January 2014 15:24:00 Diego Elio Pettenò wrote: On 9 January 2014 20:20, Mike Frysinger vap...@gentoo.org wrote: well, the sep herd was kind of by design ... i didn't want it cluttering up base-system@ and it is super convenient to abdicate all PAM decisions to a single herd. Yeah the problem has been that the herd has been fundamentally a single person, and when said single person asked for the rest of the users of/providers for PAM to accentrate on a single package, they ignored/worked around problems instead of reporting/discussing them. how would moving it to base-system make any difference ? people doing it wrong wouldn't really care which herd pam itself is owned by. -mike signature.asc Description: This is a digitally signed message part.
Re: [gentoo-dev] Re: Portage QOS
Duncan 1i5t5.dun...@cox.net writes: Meanwhile, you might try googling Zynot. That was one early, perhaps the first, Gentoo fork. Such talk of cutthroat competition in a zero-sum game, of deliberately cutting off user options so they'd be forced to stick with you, of it can be us or them, not both, etc, was exactly the sort of thing they tried. That was 2002/2003 or so. While the events and acrimony surrounding that did ultimately drive Gentoo's founder (Daniel Robbins) elsewhere, Gentoo survived (thanks in part to drobbins' efforts to secure a good future for it even at heavy personal cost to himself and his family as he was already in the process of leaving). Gentoo's still here, but where is zynot today? I remember back in early 2004 as I was researching my switch to gentoo, reading up on zynot, which was at that time still a going concern, and repeatedly asking myself as I read the essays from zynot's founder heavily criticizing gentoo and its founder, why can't he see what's happening, that every single thing he's negatively pointing at in gentoo and drobbins he and zynot are doing themselves in far greater measure, and why he was so stuck on closed source competitive techniques in an open source world. His very essays, supposedly criticizing gentoo, instead ended up convincing me more than ever that gentoo was /exactly/ the right choice for me. =:^) Wow... What a history! I am educated. Thanks for sharing. I've always been interested in my distro's history. The information scatters here and there. It'll be nice if some senior/retired developers write up a Gentoo history on wiki.g.o :) Benda
Re: [gentoo-dev] Re: About pam herd status
On 10 January 2014 22:20, Mike Frysinger vap...@gentoo.org wrote: how would moving it to base-system make any difference ? people doing it wrong wouldn't really care which herd pam itself is owned by. I'm not saying it makes a difference, sorry I didn't make it clear. Diego Elio Pettenò — Flameeyes flamee...@flameeyes.eu — http://blog.flameeyes.eu/
[gentoo-dev] Re: Portage QOS
heroxbd posted on Sat, 11 Jan 2014 07:36:57 +0900 as excerpted: Duncan 1i5t5.dun...@cox.net writes: Meanwhile, you might try googling Zynot. That was one early, perhaps the first, Gentoo fork. I remember back in early 2004 Wow... What a history! I am educated. Thanks for sharing. I've always been interested in my distro's history. The information scatters here and there. It'll be nice if some senior/retired developers write up a Gentoo history on wiki.g.o :) FWIW, I did my research and ended up on gentoo after the split was basically done, tho zynot was still around at the time. As such, I don't have a lot of personal experience with it, but it was still close enough that most of the gentoo devs of the time did have personal experience. What I do know is that it was a very bitter experience for many, and most that lived thru it, like many survivors of a lot of particularly man-made tragedies, considered the experience something that they and gentoo had survived, and were /extremely/ glad it was over, but weren't much for talking about it. At a safe historic distance of a decade in the past, perhaps some might talk about it now, but I'd guess for many, it's just not worth reliving, except, $deity forbid, should there be a danger of something similar occurring again. Too many bitter recriminations. Too many previous friends lost to the split... But I was close enough time-wise to appreciate the seriousness and tragedy of the event, while not being part of it myself, so I don't have those old wounds to rip back open by talking about it. Apologies to the long-time devs still here for whom I'm doing just that, but it /is/ history now, and as the saying goes, those who don't know history are bound to repeat it, something I'm absolutely sure NOBODY involved would want, so... From what I understand, this guy /had/ been effectively drobbins' right- hand-man for a time. He had business connections and had been instrumental in parlaying some of them into gentoo sponsorships at a time when it was much younger and needed them, and he was a good PR guy. The gentoo dev community was smaller and closer knit at the time, and many had considered this guy and the devs that ultimately left with him personal friends. That made the hurt /much/ worse. =:^( What I've always wondered is what the devs who went with him thought; how he persuaded them, /their/ side of the story. I knew /his/ side of the story from reading his essays attacking gentoo and drobbins, and I knew at least enough about the gentoo side to be convinced that the gentoo side was where I should be, but coming in shortly after as I did, I never had any contact with or read anything from any of the devs that left with him, and I obviously didn't know them previously, so their side of the story, why he convinced them to go zynot (other than the obvious, that any persuasive argument must have /some/ element of truth), I'll never know. Meanwhile, I'm /quite/ aware that my own view and recounting of the history I know is quite colored by my own position, and definitely /must/ suffer to some degree from the victor rewriting history phenomenon. I'm sure if I had a better view of the picture as the devs who left for zynot saw it, that people who left view would be rather different, and regardless of whether I agreed with it or not, it would certainly color my own view and thus recounting of the facts as I am aware of them. Worth keeping in mind... Meanwhile, that /some/ bit of truth, AFAIK, revolved around the fact that while gentoo had settled on the GPLv2 for code and similarly free general documentation licenses, drobbins was apparently asking for copyright rights, with a policy of copyright everything gentoo, which drobbins held the rights to, with the ownership rights becoming the core of the fight. There had been some talk of some sort of a gaming distro (I'm fuzzy on the details), apparently drobbins' big idea, and as a base for embedded, this guy's big idea and ultimately zynot's target for funding, etc. This guy accused drobbins of intending to do the gaming thing then take everything private. As I wasn't there and am not drobbins, I can't say for sure what drobbins ultimate idea and motives were, but as I read this guy's essays, I kept shouting at the monitor, But if he intended to go private and deprive other contributors of their just due, why GPLv2, not MIT/BSD, which would make that so much easier? Of course as we know from the MySQL/Sun/Oracle events, with all rights a company can still go private, using the GPL to maintain an unfair advantage over others who can't take it private because they don't have the copyrights, only the GPL version. But even so, again as the MySQL/Oracle/MariaDB events, and the Sun/Oracle/OpenOffice/LibreOffice events as well demonstrate, if that's against the wishes of an already active and developed community, that community can
Re: [gentoo-dev] Portage QOS
On 01/11/2014 02:11 AM, Ciaran McCreesh wrote: On Fri, 10 Jan 2014 08:31:21 +0800 Patrick Lauer patr...@gentoo.org wrote: On 01/10/2014 08:16 AM, hero...@gentoo.org wrote: Igor lanthrus...@gmail.com writes: The ebuilds have approximately the same time to install, the failure rate is about the same, emerge is getting slower. I am curious about the slowness of emerge. How about profile the portage and rewrite the time-crucial part in C/C++, or ideally, borrowing the counterpart from paludis? How feasible is that? Last I checked paludis wasn't faster - on average portage was a few percents faster. Your benchmark was comparing uncached behaviour, where bash is the slow part and which users don't see. Wrong - even the cached cases was showing the same timing proportions. And users see the uncached case whenever they use an overlay. You were also not comparing like with like -- any benchmarks of this nature should be taken with a heavy pinch of salt, since Portage with everything turned on does less validation that Paludis does with everything turned off... Not my problem, bad code is bad.
Re: [gentoo-portage-dev] Commit Policy
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Sounds good. A couple of comments, On 10/01/14 11:35, Brian Dolbec wrote: General rule is to submit all patches to this list for review and approval before committing. s/committ/push 1) run pyflakes on your changes to check for faults, misssing imports, variables undefined,... I recommend getting editor plug-ins that do this for you. syntastic is great for vim. - -- Alexander alexan...@plaimi.net http://plaimi.net/~alexander -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iF4EAREIAAYFAlLQtAkACgkQRtClrXBQc7WjhAD/XZtujqvP+UgX1Vg94rb3g2HJ 0BIeCLMj+tWvcj5mzfQA/iuP05SmTJx8taAZrZxdXmSaax1dwHD6De9G+U1TfGYa =FdTX -END PGP SIGNATURE-
[gentoo-portage-dev] [PATCH] Check for and report read-only filesystems
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all, Attached is a patch to test if Portage is going to write to a read-only filesystem and print out the list of filesystems that need to be remounted RW. This leaves ${D} intact rather than having some files moved before hitting the RO filesystem. Fixes bug 378869. Since git.overlays.gentoo.org is down, I haven't had the chance to rebase this against latest, but I can resubmit if it doesn't cleanly apply. This is my first patch to the list, so I apologize if I didn't submit correctly. Chris Reffett -BEGIN PGP SIGNATURE- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iKYEARECAGYFAlLQtYhfFIAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3Bl bnBncC5maWZ0aGhvcnNlbWFuLm5ldEM2NzU5RjUyMDczREJDQkVDQTBDRkE1NERC Nzk1QThBNDI2MTgzNTQACgkQ23laikJhg1SCCgCfZIo57KiijmACnDTa2vC9UMAb 9YwAoIhnc/nHDcIXBbzF9Tie3eTJyWpH =j/1A -END PGP SIGNATURE- From c464ac5e0007a087def9a96efea9653e508e57c1 Mon Sep 17 00:00:00 2001 From: Chris Reffett creff...@gentoo.org Date: Fri, 10 Jan 2014 09:03:26 -0500 Subject: [PATCH] Test for read-only filesystems, bail out during preinst if there are any which will be written to and display a useful error message. Fixes bug 378869. --- pym/portage/dbapi/vartree.py | 31 pym/portage/util/checkwriteable.py | 49 ++ 2 files changed, 80 insertions(+) create mode 100644 pym/portage/util/checkwriteable.py diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py index ed62323..8ae7014 100644 --- a/pym/portage/dbapi/vartree.py +++ b/pym/portage/dbapi/vartree.py @@ -28,6 +28,7 @@ portage.proxy.lazyimport.lazyimport(globals(), 'portage.util:apply_secpass_permissions,ConfigProtect,ensure_dirs,' + \ 'writemsg,writemsg_level,write_atomic,atomic_ofstream,writedict,' + \ 'grabdict,normalize_path,new_protect_filename', + 'portage.util.checkwriteable:check_dirs_writeable', 'portage.util.digraph:digraph', 'portage.util.env_update:env_update', 'portage.util.listdir:dircache,listdir', @@ -3508,6 +3509,8 @@ class dblink(object): This function does the following: + calls check_dirs_writeable to verify that no files will be + written to read-only filesystems calls self._preserve_libs if FEATURES=preserve-libs calls self._collision_protect if FEATURES=collision-protect calls doebuild(mydo=pkg_preinst) @@ -3685,6 +3688,7 @@ class dblink(object): eagain_error = False myfilelist = [] + mydirlist = [] mylinklist = [] paths_with_newlines = [] def onerror(e): @@ -3717,6 +3721,9 @@ class dblink(object): unicode_errors.append(new_parent[ed_len:]) break +relative_path = parent[srcroot_len:] +mydirlist.append(/ + relative_path) + for fname in files: try: fname = _unicode_decode(fname, @@ -3829,6 +3836,30 @@ class dblink(object): for other in others_in_slot]) prepare_build_dirs(settings=self.settings, cleanup=cleanup) + # Check for read-only filesystems + rofilesystems = check_dirs_writeable(mydirlist) + + if rofilesystems: + msg = _(One or more files installed to this package are +set to be installed to read-only filesystems. +Please mount the filesystems below read-write +and retry.) + msg = textwrap.wrap(msg, 70) + msg.append() + for f in rofilesystems: +msg.append(\t%s % os.path.join(destroot, + f.lstrip(os.path.sep))) + msg.append() + self._elog(eerror, preinst, msg) + + msg = _(Package '%s' NOT merged due to read-only file systems.) % \ +self.settings.mycpv + msg += _( If necessary, refer to your elog +messages for the whole content of the above message.) + msg = textwrap.wrap(msg, 70) + eerror(msg) + return 1 + # check for package collisions blockers = self._blockers if blockers is None: diff --git a/pym/portage/util/checkwriteable.py b/pym/portage/util/checkwriteable.py new file mode 100644 index 000..9bd9056 --- /dev/null +++ b/pym/portage/util/checkwriteable.py @@ -0,0 +1,49 @@ +#-*- coding:utf-8 -*- +# Copyright 2014 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 + +from __future__ import unicode_literals + +import re + +from portage.util import writemsg +from portage.localization import _ + + +def check_dirs_writeable(dir_list): + + Use /proc/mounts to check that no directories installed by the ebuild are set to + be installed to a read-only filesystem + + @param dir_list: Directories installed by the ebuild + @type dir_list: List + @return: + 1. A list of filesystems which are both set to be written to and are mounted + read-only, may be empty. + + ro_filesystems = set() + ro_filesystems_written = set() + + try: + with open(/proc/mounts) as procmounts: + roregex = re.compile(r'(\A|,)ro(\Z|,)') + for line in procmounts: +if roregex.search(line.split( )[3].strip()) is not None: + romount =
Re: [gentoo-portage-dev] [PATCH] Check for and report read-only filesystems
On Fri, 2014-01-10 at 22:07 -0500, Chris Reffett wrote: Hi all, Attached is a patch to test if Portage is going to write to a read-only filesystem and print out the list of filesystems that need to be remounted RW. This leaves ${D} intact rather than having some files moved before hitting the RO filesystem. Fixes bug 378869. Since git.overlays.gentoo.org is down, I haven't had the chance to rebase this against latest, but I can resubmit if it doesn't cleanly apply. This is my first patch to the list, so I apologize if I didn't submit correctly. Chris Reffett yeah, patch looks good. Only thing I didn't like is the return 1 IS that suppose to be True or sys.exit() value? If that is what the module was using, then it's ok. Personally I'm not a fan of using 0, 1 for False, True. But that will come later... signature.asc Description: This is a digitally signed message part