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Message-ID: <tip-9d7e934408b52cd53dd85270eb36941a6a318cc5@git.kernel.org>
Date: Sat, 21 Nov 2009 13:35:21 GMT
From: tip-bot for Li Zefan <lizf@...fujitsu.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
stern@...land.harvard.edu, lizf@...fujitsu.com, fweisbec@...il.com,
rostedt@...dmis.org, tglx@...utronix.de, mingo@...e.hu,
prasad@...ux.vnet.ibm.com
Subject: [tip:perf/core] ksym_tracer: Fix the output of stat tracing
Commit-ID: 9d7e934408b52cd53dd85270eb36941a6a318cc5
Gitweb: http://git.kernel.org/tip/9d7e934408b52cd53dd85270eb36941a6a318cc5
Author: Li Zefan <lizf@...fujitsu.com>
AuthorDate: Tue, 7 Jul 2009 13:55:18 +0800
Committer: Ingo Molnar <mingo@...e.hu>
CommitDate: Fri, 10 Jul 2009 11:59:44 +0200
ksym_tracer: Fix the output of stat tracing
- make ksym_tracer_stat_start() return head->first instead of
&head->first
- make the output properly aligned
Before:
Access type Symbol Counter
NA <NA> 0
RW pid_max 0
After:
Access Type Symbol Counter
----------- ------ -------
RW pid_max 0
Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: "K.Prasad" <prasad@...ux.vnet.ibm.com>
Cc: Alan Stern <stern@...land.harvard.edu>
Cc: Steven Rostedt <rostedt@...dmis.org>
LKML-Reference: <4A52E346.5050608@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
kernel/trace/trace_ksym.c | 20 +++++++++++---------
1 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/kernel/trace/trace_ksym.c b/kernel/trace/trace_ksym.c
index 7d349d3..1256a6e 100644
--- a/kernel/trace/trace_ksym.c
+++ b/kernel/trace/trace_ksym.c
@@ -453,8 +453,10 @@ device_initcall(init_ksym_trace);
#ifdef CONFIG_PROFILE_KSYM_TRACER
static int ksym_tracer_stat_headers(struct seq_file *m)
{
- seq_printf(m, " Access type ");
- seq_printf(m, " Symbol Counter \n");
+ seq_puts(m, " Access Type ");
+ seq_puts(m, " Symbol Counter\n");
+ seq_puts(m, " ----------- ");
+ seq_puts(m, " ------ -------\n");
return 0;
}
@@ -472,27 +474,27 @@ static int ksym_tracer_stat_show(struct seq_file *m, void *v)
switch (access_type) {
case HW_BREAKPOINT_WRITE:
- seq_printf(m, " W ");
+ seq_puts(m, " W ");
break;
case HW_BREAKPOINT_RW:
- seq_printf(m, " RW ");
+ seq_puts(m, " RW ");
break;
default:
- seq_printf(m, " NA ");
+ seq_puts(m, " NA ");
}
if (lookup_symbol_name(entry->ksym_addr, fn_name) >= 0)
- seq_printf(m, " %s ", fn_name);
+ seq_printf(m, " %-36s", fn_name);
else
- seq_printf(m, " <NA> ");
+ seq_printf(m, " %-36s", "<NA>");
+ seq_printf(m, " %15lu\n", entry->counter);
- seq_printf(m, "%15lu\n", entry->counter);
return 0;
}
static void *ksym_tracer_stat_start(struct tracer_stat *trace)
{
- return &(ksym_filter_head.first);
+ return ksym_filter_head.first;
}
static void *
--
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