• Arnaldo Carvalho de Melo's avatar
    perf trace: Allow suppressing the syscall argument names · 9d6dc178
    Arnaldo Carvalho de Melo authored
    To show just the values:
    
    Default:
    
      # trace -e open*,close,*sleep sleep 1
      openat(dfd: CWD, filename: /etc/ld.so.cache, flags: CLOEXEC           ) = 3
      close(fd: 3                                                           ) = 0
      openat(dfd: CWD, filename: /lib64/libc.so.6, flags: CLOEXEC           ) = 3
      close(fd: 3                                                           ) = 0
      openat(dfd: CWD, filename: /usr/lib/locale/locale-archive, flags: CLOEXEC) = 3
      close(fd: 3                                                           ) = 0
      nanosleep(rqtp: 0x7ffc0c4ea0d0, rmtp: 0                               ) = 0
      close(fd: 1                                                           ) = 0
      close(fd: 2                                                           ) = 0
      #
    
    Remove it:
    
      # perf config trace.show_arg_names=no
      # trace -e open*,close,*sleep sleep 1
      openat(CWD, /etc/ld.so.cache, CLOEXEC                                 ) = 3
      close(3                                                               ) = 0
      openat(CWD, /lib64/libc.so.6, CLOEXEC                                 ) = 3
      close(3                                                               ) = 0
      openat(CWD, /usr/lib/locale/locale-archive, CLOEXEC                   ) = 3
      close(3                                                               ) = 0
      nanosleep(0x7ffced3a8c40, 0                                           ) = 0
      close(1                                                               ) = 0
      close(2                                                               ) = 0
      #
    
    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Wang Nan <wangnan0@huawei.com>
    Link: https://lkml.kernel.org/n/tip-ta9tbdwgodpw719sr2bjm8eb@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    9d6dc178
builtin-trace.c 108 KB