mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-12 21:57:43 +00:00
Code Issues Releases Wiki Activity

perf trace beauty fcntl: Beautify F_GETOWN and F_SETOWN

Browse source 
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>
This commit is contained in:
Arnaldo Carvalho de Melo 2017-07-14 15:39:40 -03:00
parent ff2f1b2d35
commit 1a4ad26393
1 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
tools/perf/trace/beauty/fcntl.c
View file

@ -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