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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-06 14:11:36 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-06 14:13:43 -0300 |
| commit | 7206b900e6e4b7f4c2e766eab64ea1ca5303e421 (patch) | |
| tree | 8df37e19570842ca304ea6d179ba2e3e9241c5fa /tools/perf/builtin-trace.c | |
| parent | a3bca91f2fe54af502deaf277dd5ac0e18bffde4 (diff) | |
| download | lwn-7206b900e6e4b7f4c2e766eab64ea1ca5303e421.tar.gz lwn-7206b900e6e4b7f4c2e766eab64ea1ca5303e421.zip | |
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>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index c283153d8c7f..9a6c7b1fd5a1 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1074,6 +1074,7 @@ static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size, .arg_parm = { [arg] = &strarray__##array, } #include "trace/beauty/sched_policy.c" +#include "trace/beauty/waitid_options.c" static struct syscall_fmt { const char *name; @@ -1364,6 +1365,10 @@ static struct syscall_fmt { .arg_scnprintf = { [0] = SCA_FILENAME, /* filename */ }, }, { .name = "vmsplice", .errmsg = true, .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, + { .name = "wait4", .errmsg = true, + .arg_scnprintf = { [2] = SCA_WAITID_OPTIONS, /* options */ }, }, + { .name = "waitid", .errmsg = true, + .arg_scnprintf = { [3] = SCA_WAITID_OPTIONS, /* options */ }, }, { .name = "write", .errmsg = true, .arg_scnprintf = { [0] = SCA_FD, /* fd */ }, }, { .name = "writev", .errmsg = true, |