Okay, thanks :-) On Wed, Jan 7, 2009 at 11:56 PM, Andrew Armstrong <[email protected]>wrote:
> There are several error codes that basically say 'try again later' for > async > i/o - so yes these are normal. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Tony > Paloma > Sent: Thursday, 8 January 2009 9:48 AM > To: 'Half-Life dedicated Linux server mailing list' > Subject: Re: [hlds_linux] strace -p on HLDS. Is it normal communicate? > > Should be EWOULDBLOCK is what I meant, not shouldn't. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Tony > Paloma > Sent: Wednesday, January 07, 2009 2:46 PM > To: [email protected]; 'Half-Life dedicated Linux server mailing > list' > Subject: Re: [hlds_linux] strace -p on HLDS. Is it normal communicate? > > I thought this too, but it shouldn't be EWOULDBLOCK not EAGAIN. > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Ryan Burke > Sent: Wednesday, January 07, 2009 12:18 PM > To: Half-Life dedicated Linux server mailing list > Subject: Re: [hlds_linux] strace -p on HLDS. Is it normal communicate? > > My educated guess is that they are using non-blocking calls to recvfrom > using the MSG_DONTWAIT flag. Normally recv and recvfrom will block until > data is received. This stops the flow of the program unless it is > multi-threaded with on thread dealing with network I/O and some kind of > parent thread to do something when network I/O occurs. Look at the > MSG_DONTWAIT in "man recvfrom" and it explains it. It is a pretty common > way to do high performance asynchronous network programming. > > Ryan > > > sorry it's much faster than 10 times per second, my terminal is slow. > > first that I posted is on > > 1231356114, 376819 > > second > > 1231356114, 378804 > > that is every ~2000 microseconds so ~500/s and that server is stable > > 500fps, so it happens every frame. > > > > Kveri > > > > Kveri wrote / napísal(a): > >> I don't know if it is normal, but I can confirm that it's happening. > >> > >> recvfrom(4, 0xfff4ebb4, 4010, 0, 0xfff4fb60, 0xfff4eb9c) = -1 EAGAIN > >> (Resource temporarily unavailable) > >> gettimeofday({1231356114, 376819}, NULL) = 0 > >> gettimeofday({1231356114, 376846}, NULL) = 0 > >> gettimeofday({1231356114, 376873}, NULL) = 0 > >> gettimeofday({1231356114, 376900}, NULL) = 0 > >> gettimeofday({1231356114, 376928}, NULL) = 0 > >> gettimeofday({1231356114, 376953}, NULL) = 0 > >> gettimeofday({1231356114, 376976}, NULL) = 0 > >> select(5, [4], NULL, NULL, {0, 1000}) = 0 (Timeout) > >> select(1, [0], NULL, NULL, {0, 0}) = 0 (Timeout) > >> gettimeofday({1231356114, 377713}, NULL) = 0 > >> gettimeofday({1231356114, 377738}, NULL) = 0 > >> select(5, [4], NULL, NULL, {0, 1000}) = 0 (Timeout) > >> select(1, [0], NULL, NULL, {0, 0}) = 0 (Timeout) > >> gettimeofday({1231356114, 378711}, NULL) = 0 > >> gettimeofday({1231356114, 378738}, NULL) = 0 > >> recvfrom(4, 0xfff4ebb4, 4010, 0, 0xfff4fb60, 0xfff4eb9c) = -1 EAGAIN > >> (Resource temporarily unavailable) > >> gettimeofday({1231356114, 378804}, NULL) = 0 > >> gettimeofday({1231356114, 378831}, NULL) = 0 > >> gettimeofday({1231356114, 378855}, NULL) = 0 > >> gettimeofday({1231356114, 378878}, NULL) = 0 > >> gettimeofday({1231356114, 378902}, NULL) = 0 > >> gettimeofday({1231356114, 378925}, NULL) = 0 > >> gettimeofday({1231356114, 378949}, NULL) = 0 > >> select(0, NULL, NULL, NULL, {0, 1000}) = 0 (Timeout) > >> select(1, [0], NULL, NULL, {0, 0}) = 0 (Timeout) > >> gettimeofday({1231356114, 379714}, NULL) = 0 > >> gettimeofday({1231356114, 379739}, NULL) = 0 > >> recvfrom(4, 0xfff4ebb4, 4010, 0, 0xfff4fb60, 0xfff4eb9c) = -1 EAGAIN > >> (Resource temporarily unavailable) > >> gettimeofday({1231356114, 379803}, NULL) = 0 > >> gettimeofday({1231356114, 379829}, NULL) = 0 > >> gettimeofday({1231356114, 379855}, NULL) = 0 > >> ^C <unfinished ...> > >> Process 31734 detached > >> > >> Maybe 10 times per second or so > >> > >> OS: Gentoo 64 > >> 2x Quad Xeon, 8GB RAM > >> conn: 1GBit > >> > >> Kveri > >> > >> Pawel wrote / napísal(a): > >> > >>> Hi, > >>> > >>> I'm starting new hlds process with -game cstrike etc. Normal clear CS > >>> 1.6 > >>> server. > >>> Next what i'm going to do is strace command on this process. > >>> > >>> So while using strace -p 3535353... I got many times: > >>> > >>> recvfrom(4, 0xfff43114, 4010, 0, 0xfff440c0, 0xfff430fc) = -1 EAGAIN > >>> (Resource temporarily unavailable) > >>> > >>> It is normal? > >>> My OS is Slamd64 > >>> and hardware: > >>> 2x Xeon Quad-Core, 4GB RAM > >>> Internet connection: 100mbit up/down > >>> > >>> Thanks > >>> _______________________________________________ > >>> To unsubscribe, edit your list preferences, or view the list archives, > >>> please visit: > >>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux > >>> > >>> > >>> > >> > >> _______________________________________________ > >> To unsubscribe, edit your list preferences, or view the list archives, > >> please visit: > >> http://list.valvesoftware.com/mailman/listinfo/hlds_linux > >> > >> > > > > _______________________________________________ > > To unsubscribe, edit your list preferences, or view the list archives, > > please visit: > > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
