Hi, On Wed, May 07, 2014 at 04:54:40PM +0200, Bud Millwood wrote: > Hi all, I'm not on this list but I'll keep an eye out for a response > to this message. > > In the past I noticed that if I ran "strace -c" against a process, I > could press CTRL-C and strace would print out the statistics it had > collected so far, then exit. It now seems to just exit without > printing any of the statistics.
Strange, it works for me, both in simple and in -p mode. For example: $ strace -c cat & sleep 1 && kill -INT $! [1] 19981 Process 19985 detached % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- $ 27.65 0.000060 8 8 mmap 14.29 0.000031 8 4 mprotect 10.14 0.000022 6 4 fstat 7.83 0.000017 9 2 open 7.83 0.000017 4 4 brk 6.45 0.000014 7 2 1 read 5.53 0.000012 12 1 1 access 5.07 0.000011 6 2 fadvise64 4.61 0.000010 5 2 close 4.61 0.000010 10 1 munmap 3.69 0.000008 8 1 execve 2.30 0.000005 5 1 arch_prctl ------ ----------- ----------- --------- --------- ---------------- 100.00 0.000217 32 2 total [1]+ Done strace -c cat $ sleep 2 && sleep 2 & sleep 1; strace -cp $! & sleep 2 && kill -INT $! [1] 19986 [2] 19989 Process 19986 attached Process 19986 detached % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- $ 80.77 0.000710 355 2 1 wait4 15.81 0.000139 139 1 clone 2.62 0.000023 4 6 rt_sigprocmask 0.46 0.000004 2 2 rt_sigaction 0.34 0.000003 3 1 rt_sigreturn ------ ----------- ----------- --------- --------- ---------------- 100.00 0.000879 12 1 total [2]+ Done strace -cp $! [1]- Done sleep 2 && sleep 2 You aren't using -I1 option, are you? -- ldv
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