linux-kernel - [tip:perf/core] tracing: Adjust conditional expression latency formatting.

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Message-ID: <tip-10da37a645b5e915d8572cc2b1f5eb11ada3ea4f@git.kernel.org>
Date:	Fri, 11 Mar 2011 09:50:31 GMT
From:	tip-bot for David Sharp <dhsharp@...gle.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	rostedt@...dmis.org, dhsharp@...gle.com, tglx@...utronix.de
Subject: [tip:perf/core] tracing: Adjust conditional expression latency formatting.

Commit-ID:  10da37a645b5e915d8572cc2b1f5eb11ada3ea4f
Gitweb:     http://git.kernel.org/tip/10da37a645b5e915d8572cc2b1f5eb11ada3ea4f
Author:     David Sharp <dhsharp@...gle.com>
AuthorDate: Fri, 3 Dec 2010 16:13:26 -0800
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Thu, 10 Mar 2011 10:34:35 -0500

tracing: Adjust conditional expression latency formatting.

Formatting change only to improve code readability. No code changes except to
introduce intermediate variables.

Signed-off-by: David Sharp <dhsharp@...gle.com>
LKML-Reference: <1291421609-14665-13-git-send-email-dhsharp@...gle.com>

[ Keep variable declarations and assignment separate ]

Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 kernel/trace/trace_output.c |   26 ++++++++++++++++++--------
 1 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 151f32e..456be90 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -533,20 +533,30 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
  */
 int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry)
 {
-	int hardirq, softirq;
+	char hardsoft_irq;
+	char need_resched;
+	char irqs_off;
+	int hardirq;
+	int softirq;
 	int ret;
 
 	hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
 	softirq = entry->flags & TRACE_FLAG_SOFTIRQ;
 
+	irqs_off =
+		(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
+		(entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ? 'X' :
+		'.';
+	need_resched =
+		(entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.';
+	hardsoft_irq =
+		(hardirq && softirq) ? 'H' :
+		hardirq ? 'h' :
+		softirq ? 's' :
+		'.';
+
 	if (!trace_seq_printf(s, "%c%c%c",
-			      (entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
-				(entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ?
-				  'X' : '.',
-			      (entry->flags & TRACE_FLAG_NEED_RESCHED) ?
-				'N' : '.',
-			      (hardirq && softirq) ? 'H' :
-				hardirq ? 'h' : softirq ? 's' : '.'))
+			      irqs_off, need_resched, hardsoft_irq))
 		return 0;
 
 	if (entry->preempt_count)
--
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