linux-kernel - [tip:perf/core] perf trace beauty fcntl flags: Beautify F

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Message-ID: <tip-qgf8ggsq9chnjblxlq954deu@git.kernel.org>
Date:   Thu, 20 Jul 2017 01:43:43 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     jolsa@...nel.org, namhyung@...nel.org,
        linux-kernel@...r.kernel.org, mingo@...nel.org, dsahern@...il.com,
        tglx@...utronix.de, adrian.hunter@...el.com, acme@...hat.com,
        hpa@...or.com, wangnan0@...wei.com
Subject: [tip:perf/core] perf trace beauty fcntl flags: Beautify F_SETFL arg

Commit-ID:  12c0c0cef9a64ee30825122ec9d620ed29fcf5ba
Gitweb:     http://git.kernel.org/tip/12c0c0cef9a64ee30825122ec9d620ed29fcf5ba
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Fri, 14 Jul 2017 14:36:24 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
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 <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-qgf8ggsq9chnjblxlq954deu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/trace/beauty/fcntl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/trace/beauty/fcntl.c b/tools/perf/trace/beauty/fcntl.c
index 8dcbc30..3456bf4 100644
--- a/tools/perf/trace/beauty/fcntl.c
+++ b/tools/perf/trace/beauty/fcntl.c
@@ -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