linux-kernel - [tip:perf/core] tools lib traceevent: Use pevent_print_func_field in hrtimer

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Message-ID: <tip-b32cea650a16092a654baa2095c78fa917bad4da@git.kernel.org>
Date:	Tue, 10 Dec 2013 01:21:28 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	namhyung@...nel.org, jolsa@...hat.com, fweisbec@...il.com,
	rostedt@...dmis.org, dsahern@...il.com, tglx@...utronix.de,
	cjashfor@...ux.vnet.ibm.com, mingo@...e.hu
Subject: [tip:perf/core] tools lib traceevent:
  Use pevent_print_func_field in hrtimer_start handler

Commit-ID:  b32cea650a16092a654baa2095c78fa917bad4da
Gitweb:     http://git.kernel.org/tip/b32cea650a16092a654baa2095c78fa917bad4da
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Tue, 3 Dec 2013 14:09:38 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 4 Dec 2013 15:36:50 -0300

tools lib traceevent: Use pevent_print_func_field in hrtimer_start handler

The pevent_print_func_field function encompasses all the functionality
used in the hrtimer_start handler. Change the handler to use this
function.

This also unifies the function field output with the
hrtimer_expire_entry handler.

Suggested-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/r/1386076182-14484-25-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/traceevent/plugin_hrtimer.c | 19 ++-----------------
 1 file changed, 2 insertions(+), 17 deletions(-)

diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c
index e41d4cf..0b0ebf3 100644
--- a/tools/lib/traceevent/plugin_hrtimer.c
+++ b/tools/lib/traceevent/plugin_hrtimer.c
@@ -48,10 +48,6 @@ static int timer_start_handler(struct trace_seq *s,
 			       struct pevent_record *record,
 			       struct event_format *event, void *context)
 {
-	struct pevent *pevent = event->pevent;
-	struct format_field *fn = pevent_find_field(event, "function");
-	void *data = record->data;
-
 	trace_seq_printf(s, "hrtimer=");
 
 	if (pevent_print_num_field(s, "0x%llx", event, "timer",
@@ -59,19 +55,8 @@ static int timer_start_handler(struct trace_seq *s,
 		pevent_print_num_field(s, "0x%llx", event, "hrtimer",
 				       record, 1);
 
-	if (!fn) {
-		trace_seq_printf(s, " function=MISSING");
-	} else {
-		unsigned long long function;
-		const char *func;
-
-		if (pevent_read_number_field(fn, data, &function))
-			trace_seq_printf(s, " function=INVALID");
-
-		func = pevent_find_function(pevent, function);
-
-		trace_seq_printf(s, " function=%s", func);
-	}
+	pevent_print_func_field(s, " function=%s", event, "function",
+				record, 0);
 
 	trace_seq_printf(s, " expires=");
 	pevent_print_num_field(s, "%llu", event, "expires", record, 1);
--
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