[PATCH 27/86] perf trace beauty fcntl: Beautify F_GETOWN and F_SETOWN

Arnaldo Carvalho de Melo
2017-07-19T14:32:34Z

From: Arnaldo Carvalho de Melo <acme@redhat.com>

By attaching the pid beautifier to the args in the F_SETOWN case and to
the syscall return on the F_GETOWN one.

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-ea1prtqvao87cdrishce7954@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/trace/beauty/fcntl.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/tools/perf/trace/beauty/fcntl.c b/tools/perf/trace/beauty/fcntl.c
index 254ae435780d..d082fd2e594f 100644
--- a/tools/perf/trace/beauty/fcntl.c
+++ b/tools/perf/trace/beauty/fcntl.c
@@ -34,10 +34,14 @@ size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_ar
syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fd);
goto out;
}
+ if (arg->val == F_GETOWN) {
+ syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_pid);
+ goto mask_arg;
+ }
/*
* Some commands ignore the third fcntl argument, "arg", so mask it
*/
- if (arg->val == F_GETOWN || arg->val == F_GET_SEALS ||
+ if (arg->val == F_GET_SEALS ||
arg->val == F_GETLEASE || arg->val == F_GETSIG) {
mask_arg:
arg->mask |= (1 << 2);
@@ -55,6 +59,9 @@ size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_ar

if (cmd == F_SETFL)
return open__scnprintf_flags(arg->val, bf, size);
+
+ if (cmd == F_SETOWN)
+ return syscall_arg__scnprintf_pid(bf, size, arg);
/*
* We still don't grab the contents of pointers on entry or exit,
* so just print them as hex numbers
--
2.9.4