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perf trace: Beautify set_tid_address, getpid, getppid return values 

Showing the COMM for that return, if available.

  # trace -e getpid,getppid,set_tid_address
    490.007 ( 0.005 ms): sh/8250 getpid(...) = 8250 (sh)
    490.014 ( 0.001 ms): sh/8250 getppid(...) = 7886 (make)
    491.156 ( 0.004 ms): install/8251 set_tid_address(tidptr: 0x7f204a9d4ad0) = 8251 (install)
  ^C

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-psbpplqupatom9x4uohbxid5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-04-06 14:55:18 -03:00
parent 11c8e39f51
commit c65f10701a
1 changed files with 3 additions and 0 deletions
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3
tools/perf/builtin-trace.c
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@ -1166,6 +1166,8 @@ static struct syscall_fmt {
{ .name = "getdents64", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */ }, },
{ .name = "getitimer", .errmsg = true, STRARRAY(0, which, itimers), },
{ .name = "getpid", .errpid = true, },
{ .name = "getppid", .errpid = true, },
{ .name = "getrandom", .errmsg = true,
.arg_scnprintf = { [2] = SCA_GETRANDOM_FLAGS, /* flags */ }, },
{ .name = "getrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
@ -1324,6 +1326,7 @@ static struct syscall_fmt {
{ .name = "sendto", .errmsg = true,
.arg_scnprintf = { [0] = SCA_FD, /* fd */
[3] = SCA_MSG_FLAGS, /* flags */ }, },
{ .name = "set_tid_address", .errpid = true, },
{ .name = "setitimer", .errmsg = true, STRARRAY(0, which, itimers), },
{ .name = "setrlimit", .errmsg = true, STRARRAY(0, resource, rlimit_resources), },
{ .name = "setxattr", .errmsg = true,