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Date: Sun, 04 Mar 2007 11:14:18 +0100 From: Eric Dumazet <dada1@...mosbay.com> To: David Lang <david.lang@...italinsight.com> CC: linux-kernel@...r.kernel.org Subject: Re: dynamic linking files slow fork down significantly David Lang a écrit : > On Sat, 3 Mar 2007, Eric Dumazet wrote: >> >> # time ldd -r ./groff >> libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0xf7e8f000) >> libm.so.6 => /lib/tls/libm.so.6 (0xf7e6d000) >> libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xf7e62000) >> libc.so.6 => /lib/tls/libc.so.6 (0x42000000) >> /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0xf7f4c000) >> 0.00user 0.00system 0:00.00elapsed 50%CPU (0avgtext+0avgdata >> 0maxresident)k >> 0inputs+0outputs (0major+777minor)pagefaults 0swaps >> >> You can see 777 pagefaults instead of 696 on this example. > > the version of time on my system (debian 3.1) doesn't give me the cpu or > pagefault info, just the times. where should I get the version that > gives more info? (although I don't think I can apply it directly to my > troubleshooting as the work is all being done in child processes). time is a shell builtin. But there is normally an /usr/bin/time standalone program. # type time time is a shell keyword # time date Sun Mar 4 12:15:54 CET 2007 real 0m0.003s user 0m0.000s sys 0m0.000s # /usr/bin/time date Sun Mar 4 12:15:56 CET 2007 0.00user 0.00system 0:00.00elapsed ?%CPU (0avgtext+0avgdata 0maxresident)k 0inputs+0outputs (0major+192minor)pagefaults 0swaps - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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