Re: [Valgrind-users] installation problems

2010-11-25 Thread paulf
Hi I had this problem on old versions of RedHat iirc. The problem is with a mis-built libmpich.a, which is not relocatable. Either you need to disable building for MPI when you configure Valgrind, or use a version of Linux with a relocatable libmpich.a (or .so). A+ Paul - Original Messag

Re: [Valgrind-users] VG_N_SEGMENTS is too low error

2011-07-07 Thread paulf
Hi To fix this you will have to build your own Valgrind (if you haven't done so already). Grep for VG_N_SEGMENTS in the source, change it to something bigger and rebuild/reinstall. A+ Paul - Original Message - From: "Luka Napotnik" To: valgrind-users@lists.sourceforge.net Sent: Thursd

Re: [Valgrind-users] Can more than 1 Valgrind tool be run at once?

2011-11-22 Thread paulf
- Original Message - > > I have a good amount of Linux and programming experience (~10 years) > but am > new to the valgrind tool. Thus far I really like the information and > capabilities, impressive. > > I'm profiling a multi-component embedded system on Ubuntu. The > components > a

Re: [Valgrind-users] Syscall param unlink(pathname) points to unaddressable byte(s)

2011-12-14 Thread paulf
- Original Message - > Dear Valgrind-team, > > I am getting following error when i run valgrind on my code. > I want to understand what this error means and how to fix it. > In the below code we pass valid file name to SetOutputMetaFile > function. The code looks fine to me > but no idea w

Re: [Valgrind-users] Are these series bugs?

2012-01-18 Thread paulf
- Original Message - > > Hi > > I just started to use valgrind. > I got the following errors. > Are these series bugs? > > My code is running fine. > > Generally, how many memory leak is really bad? Hi Just my opinion. You might tolerate one-off leaks in initialization code. You migh

Re: [Valgrind-users] Massif: some --ignore-fn options are not respected

2012-04-24 Thread paulf
- Original Message - > Dear Valgrind community, > > I am currently trying to use massif on a huge programming project, > and I > want to isolate some allocations that aren't significant. > > I use the --ignore-fn option like this: > > valgrind --tool=massif --ignore-fn=SDL_CreateRGBSurf

Re: [Valgrind-users] Errors in strncasecmp

2012-06-04 Thread paulf
- Original Message - > On Sunday, June 03, 2012, Paul Floyd wrote: > > I'll try adding it and confirm either tonight or tomorrow. > > Please do. Hi Just done the test, and the problem is fixed. A+ Paul -- Liv

Re: [Valgrind-users] Valgrind shows tons of errors pointing to Qt's source files, but not to my source files!

2012-12-05 Thread paulf
- Original Message - > Greetz, > > Using C++, Qt 4.7, openSUSE 11.4, Valgrind, GCC > > Actually this application runs very fine on Linux, but "crashes" on > Windows if I "move the mouse wheel". > I have NOT written any event for wheel handling in the code. > > How to know whether problem

[Valgrind-users] Broken link

2012-12-11 Thread paulf
Hi I just noticed that on the Valgrind web site, on this page http://www.valgrind.org/downloads/current.html The link to Valkyrie is broken http://www.open-works.co.uk/projects/valkyrie.html It looks like the ".co.uk" has changed to ".net" and the link should be to http://www.open-works.net/p

Re: [Valgrind-users] stack trace line numbers truncated due to verbose argument types

2012-12-21 Thread paulf
- Original Message - > Hello, > > However, I really want the line number of my function that the error > is occurring in, but I can't find it. > > $ valgrind --tool=memcheck --trace-children=yes ./myApp > (myApp top secret output omitted) [snip] > Unfortunately, on that last line starti

Re: [Valgrind-users] Valgrind suppression

2013-02-27 Thread paulf
- Original Message - > When I use --gen-suppression and --suppression both at the same time > my > application fails to start. Individually these flags works fine. Hi Does Valgrind generate any output? If so, could you post that. A+ Paul

Re: [Valgrind-users] Floating point DATA CORRUPTION with 80bit long long double!! (Re: floating point print error in ada)

2013-03-06 Thread paulf
- Original Message - [snip] I'll start with a few general comments. I've been working on engineering software for most of my career, and with very few exceptions, double precision is perfectly adequate (and the fastest). The real world (at least, the Intel/AMD part of it) is somewhat c

Re: [Valgrind-users] Floating point DATA CORRUPTION with 80bit long long double!! (Re: floating point print error in ada)

2013-03-06 Thread paulf
- Original Message - > Unfortunately the assessment that there are only "small changes" or > "unimportant differences" is plain wrong. In complex calculations > (i.e. no one line "hello sin() world" demo apps) which rely on the > wider datatypes the lack of precision will cause major malf

Re: [Valgrind-users] Problems with callgrind (UNCLASSIFIED)

2013-03-27 Thread paulf
- Original Message - > Classification: UNCLASSIFIED > Caveats: NONE > > When I execute the following command... > > valgrind --tool=callgrind > > I receive the following: > > valgrind: filed to start tool 'callgrind' for platform 'x86-linux': > No such > file or directory > > What co

Re: [Valgrind-users] Valgrind error summary question

2013-03-27 Thread paulf
- Original Message - > Hello, > > In the valgrind output, the error summary shows that there are 956 > errros from 953 contexts: [snip] > Is there a way to tell Valgrind to show all the errors contexts ? Try the -v option to increase verbosity. It will tell you which suppressions (and

Re: [Valgrind-users] Visualizing memory traces using valgrind

2013-04-11 Thread paulf
- Original Message - > > Slow down / pause is something that's planned. Rewind is difficult > since this would require actually logging the trace data (currently > it's transient), which would take up a huge amount of space - though > this may be useful for short-lived programs. Hi Is it

Re: [Valgrind-users] multiple cores being used?

2013-04-18 Thread paulf
- Original Message - > Hi all - > > I've been using valgrind for a long time. I just upgraded to 3.81, > and I see my %CPU in top at close to 1000. I think I've only ever > seen 100 or less before. One difference is that this time I used > --enable-tls. Does this actually allow threads to

Re: [Valgrind-users] Basic Doubt

2013-06-14 Thread paulf
- Original Message - > Hi , > > Apologies if it is silly question as i am a beginner. > > Is it possible to use the memcheck tool for code rather than > executable ( binary) ? Hi No, Valgrind is strictly runtime. Google for static analysis tools. A+ Paul

Re: [Valgrind-users] Fwd: Basic Doubt

2013-06-14 Thread paulf
- Original Message - > Hi , > > Is it only useful for standalone application? Does it support any > other OS than Linux? Hi It's best with an application compiled with debug information. Other OSes - Mac OS X, Free BSD and Solaris that I've used with varying degrees of success. A+ Pa

Re: [Valgrind-users] Who's doing valgrind on Solaris?

2013-06-20 Thread paulf
- Original Message - > Skip Montanaro pobox.com> writes: > > > Who is doing the Solaris port? > > There is some work-in-progress. > Check http://bitbucket.org/setupji/valgrind-solaris Hi Here's the associated thesis https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad

Re: [Valgrind-users] why valgrind hit "__static_initialization_and_destruction_0(int, int)"

2013-06-25 Thread paulf
- Original Message - > Hi All, > > Can anyone tell me why valgrind hit > “__static_initialization_and_destruction_0(int, int) ? My guess is that you have one of the forms of static (file static, class static or function static). > How to resolved I ? Normally objects that were statica

Re: [Valgrind-users] Mismatched free/delete with GCC 4.8.3 std::string

2015-06-11 Thread paulf
- Original Message - > > Hi, > > I've recently switched over to Valgrind 3.10.1 and I'm now see vast > numbers of 'mismatched free/delete' type messages all coming from > std::string shipped with GCC 4.8.3. > > I really don't believe what Valgrind is saying but I'd like to be > certain.

Re: [Valgrind-users] valgrind it doesn't work with Qt Creator in OS X

2016-02-11 Thread paulf
- Original Message - > Hi Guys... I'm trying to run valgrind inside Qt Creator as I can make > in Linux but it doesn't work. I have sent an email to the Qt Creator > list and they sent me here to ask... my mail was this: > > > > Valgrinf it doesn’t work on OS X El Capitan: > Hi guys… I’

Re: [Valgrind-users] Multi-threading

2016-03-19 Thread paulf
- Original Message - > Can you give me the link and save me the drilling effort, please ? > > > One more thing, let's assume I continue using this way the valgrind > to create my call graphs. Does a huge memory dedicated for this > purpose, in my case 32gb ram may cause other issues due

Re: [Valgrind-users] Multi threading

2016-03-19 Thread paulf
- Original Message - > Hi, > > I am running valgrind in order to get a call graph, I am running top > and I keep seeing only one thread 100% cpu working for valgrind. > > Does valgrind have any parameters that I can set for him, so it will > use all my machine cores (16 for example) ? Hi

Re: [Valgrind-users] Insight as to why Valgrind shows memory leak for LAPACKE_dgbsv

2016-03-25 Thread paulf
- Original Message - > This is the first time I've ever used Intel's MKL LAPACKE and > Valgrind. Unfortunately, I get an error with something I have little > to no experience with. I could use some advice on how to cure a > potential memory leak. I'm using Intel's MKL library, so I highly >

Re: [Valgrind-users] Many false positives "Mismatched free() / delete / delete []"

2016-12-22 Thread paulf
- Original Message - > On jeudi 22 décembre 2016 06:46:44 CET David Chapman wrote: > > If this is new valgrind behavior, I wouldn't discount a bug in its > > code > > It certainly looks like one :) > > > but the developers (not me) would need to know what the QVBoxLayout > > constructor

Re: [Valgrind-users] [Valgrind-developers] tilegx ?

2017-01-13 Thread paulf
- Original Message - > No sign of any tilegx user or developer activity since something like > one year. > No reply received for question in > https://sourceforge.net/p/valgrind/mailman/message/35566192/ > > Is there any tilegx user or developer still active ? > Should we consider this p