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perf trace: Beautify set_tid_address, getpid, getppid return values

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Apr 13, 2016 perf events

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Commit-ID:  c65f10701ac68259043ccbfac1979778a1fd7846
Gitweb:     http://git.kernel.org/tip/c65f10701ac68259043ccbfac1979778a1fd7846
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Wed, 6 Apr 2016 14:55:18 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Wed, 6 Apr 2016 14:58:59 -0300

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 <[email protected]>
Cc David Ahern <[email protected]>
Cc Jiri Olsa <[email protected]>
Cc Namhyung Kim <[email protected]>
Cc Wang Nan <[email protected]>
Link http://lkml.kernel.org/n/[email protected] open here
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/builtin-trace.c | 3 +++
 1 file changed, 3 insertions(+)
tools/perf/builtin-trace.c +3 -0
index 22a4901..191f4d6 100644
@@ -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,