perf trace beauty fcntl flags: Beautify F_SETFL arg

tip:perf/core tip-bot for Arnaldo Carvalho de Melo 1 participant 1 message Jul 20, 2017 perf events

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2017-07-20 08:45 UTC #0 lore raw

Commit-ID:  12c0c0cef9a64ee30825122ec9d620ed29fcf5ba
Gitweb:     http://git.kernel.org/tip/12c0c0cef9a64ee30825122ec9d620ed29fcf5ba
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Fri, 14 Jul 2017 14:36:24 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Tue, 18 Jul 2017 23:14:01 -0300

perf trace beauty fcntl flags: Beautify F_SETFL arg

Result:

0.011 (0.001 ms): Chrome_IOThrea/19863 fcntl(fd: 130</dev/shm/.com.google.Chrome.w5UBtZ (deleted)>, cmd: SETFL, arg: RDWR|APPEND|LARGEFILE) = 0

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/trace/beauty/fcntl.c | 2 ++
 1 file changed, 2 insertions(+)

tools/perf/trace/beauty/fcntl.c +2 -0

index 8dcbc30..3456bf4 100644
@@ -32,6 +32,8 @@ size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_ar
 {
 	int cmd = syscall_arg__val(arg, 1);
 
+	if (cmd == F_SETFL)
+		return open__scnprintf_flags(arg->val, bf, size);
 	/*
 	 * We still don't grab the contents of pointers on entry or exit,
 	 * so just print them as hex numbers