perf trace: Beautify wait4/waitid 'options' argument
authorArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 6 Apr 2016 17:11:36 +0000 (14:11 -0300)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 6 Apr 2016 17:13:43 +0000 (14:13 -0300)
commit7206b900e6e4b7f4c2e766eab64ea1ca5303e421
tree8df37e19570842ca304ea6d179ba2e3e9241c5fa
parenta3bca91f2fe54af502deaf277dd5ac0e18bffde4
perf trace: Beautify wait4/waitid 'options' argument

  # trace -e waitid,wait4

   0.557 ( 0.557 ms): bash/27335 wait4(upid: -1, stat_addr: 0x7ffd02f449f0) = 27336
   1.250 ( 0.685 ms): bash/27335 wait4(upid: -1, stat_addr: 0x7ffd02f449f0) = 27337
   1.312 ( 0.002 ms): bash/27335 wait4(upid: -1, stat_addr: 0x7ffd02f44690, options: NOHANG) = -1 ECHILD No child processes
   1.550 ( 0.015 ms): bash/3856 wait4(upid: -1, stat_addr: 0x7ffd02f44990, options: NOHANG|UNTRACED|CONTINUED) = 27335
   1.552 ( 0.001 ms): bash/3856 wait4(upid: -1, stat_addr: 0x7ffd02f44990, options: NOHANG|UNTRACED|CONTINUED) = 0
  #

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-i5vlo5n5jv0amt8bkyicmdxh@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/builtin-trace.c
tools/perf/trace/beauty/waitid_options.c [new file with mode: 0644]