From: Steven Rostedt <rostedt@goodmis.org>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
Andrew Morton <akpm@linux-foundation.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
David Sharp <dhsharp@google.com>
Subject: [PATCH 09/15] tracing: Adjust conditional expression latency formatting.
Date: Thu, 10 Mar 2011 10:58:09 -0500 [thread overview]
Message-ID: <20110310155911.272672951@goodmis.org> (raw)
In-Reply-To: 20110310155800.478792851@goodmis.org
[-- Attachment #1: 0009-tracing-Adjust-conditional-expression-latency-format.patch --]
[-- Type: text/plain, Size: 1787 bytes --]
From: David Sharp <dhsharp@google.com>
Formatting change only to improve code readability. No code changes except to
introduce intermediate variables.
Signed-off-by: David Sharp <dhsharp@google.com>
LKML-Reference: <1291421609-14665-13-git-send-email-dhsharp@google.com>
[ Keep variable declarations and assignment separate ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.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)
--
1.7.2.3
next prev parent reply other threads:[~2011-03-10 15:59 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-10 15:58 [PATCH 00/15] [GIT PULL] tracing: updates for 2.6.39 Steven Rostedt
2011-03-10 15:58 ` [PATCH 01/15] tracing: Add an overwrite trace_option Steven Rostedt
2011-03-10 15:58 ` [PATCH 02/15] ring-buffer: Remove unused #include <linux/trace_irq.h> Steven Rostedt
2011-03-10 15:58 ` [PATCH 03/15] tracing: Remove lock_depth from event entry Steven Rostedt
2011-03-10 15:58 ` [PATCH 04/15] tracing: Fix event alignment: ftrace:context_switch and ftrace:wakeup Steven Rostedt
2011-03-10 15:58 ` [PATCH 05/15] tracing: Fix event alignment: module:module_request Steven Rostedt
2011-03-10 15:58 ` [PATCH 06/15] tracing: Fix event alignment: kvm:kvm_hv_hypercall Steven Rostedt
2011-03-10 15:58 ` [PATCH 07/15] tracing: Fix event alignment: mce:mce_record Steven Rostedt
2011-03-10 15:58 ` [PATCH 08/15] tracing: Fix event alignment: skb:kfree_skb Steven Rostedt
2011-03-10 15:58 ` Steven Rostedt [this message]
2011-03-10 15:58 ` [PATCH 10/15] ftrace: Add .ref.text as one of the safe areas to trace Steven Rostedt
2011-03-10 15:58 ` [PATCH 11/15] ftrace/graph: Trace function entry before updating index Steven Rostedt
2011-03-10 15:58 ` [PATCH 12/15] tracing: Explain about unstable clock on resume with ring buffer warning Steven Rostedt
2011-03-10 15:58 ` [PATCH 13/15] tracing: Export trace_set_clr_event() Steven Rostedt
2011-03-10 15:58 ` [PATCH 14/15] tracing: Align 4 byte ints together in struct tracer Steven Rostedt
2011-03-10 15:58 ` [PATCH 15/15] tracing: Fix irqoff selftest expanding max buffer Steven Rostedt
2011-03-11 8:27 ` [PATCH 00/15] [GIT PULL] tracing: updates for 2.6.39 Ingo Molnar
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