From: Denys V. <dvl...@re...> - 2013-05-14 14:13:20
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On 05/13/2013 05:04 PM, Denys Vlasenko wrote: > On 05/04/2013 11:21 PM, Dmitry V. Levin wrote: >> On Wed, May 01, 2013 at 11:04:13PM -0400, Mike Frysinger wrote: >>> i imagine this has to do with the probing of new ptrace features, but it still >>> seems wrong for the first two lines to be signal stuff when tracing any program: >>> $ ./strace -eexecve /bin/true >>> --- stopped by SIGSTOP --- >>> --- SIGCONT {si_signo=SIGCONT, si_code=SI_USER, si_pid=10908, si_uid=8282} --- >> >> These two lines are annoying, aren't they? >> It was discussed in February, with no visible result so far. > > I will try to suppress them. Ping me if this didn't (fully) fix it: commit 2a3d27552f17a5b378344620bec7d255bac65a8d Author: Denys Vlasenko <dvl...@re...> Date: Tue May 14 16:07:46 2013 +0200 Hide startup syscalls. Tested with "./strace [-D] [-q] [-bexecve] env true", all cases seem to work. * defs.h: Declare new variable: bool hide_log_until_execve. * strace.c: Define hide_log_until_execve. Rename skip_startup_execve to skip_one_b_execve. (startup_child): Do not set skip_one_b_execve = 1 here. (init): If "strace PROG" case (as opposed to "strace -pPID"), set skip_one_b_execve and hide_log_until_execve to 1. (trace): Don't print signal messages if hide_log_until_execve == 1. * syscall.c (trace_syscall_entering): Skip syscall printing if hide_log_until_execve == 1. Reset hide_log_until_execve if we enter execve syscall. (trace_syscall_exiting): Skip syscall printing if hide_log_until_execve == 1. |