* [PATCH] tracing: Make power trace display correct header
@ 2009-04-13 7:00 Zhaolei
2009-04-13 7:23 ` [PATCH v2] " Zhaolei
0 siblings, 1 reply; 3+ messages in thread
From: Zhaolei @ 2009-04-13 7:00 UTC (permalink / raw)
To: Steven Rostedt, Frederic Weisbecker, Tom Zanussi, Ingo Molnar
Cc: linux-kernel
Before patch:
# tracer: power
#
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
[ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463
[ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532
...
After patch:
# tracer: power
#
# TIMESTAMP STATE EVENT
# | | |
[ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463
[ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532
...
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
---
kernel/trace/trace_power.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index 810a5b7..a74acdf 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -190,6 +190,12 @@ static enum print_line_t power_print_line(struct trace_iterator *iter)
return TRACE_TYPE_UNHANDLED;
}
+static void power_print_header(struct seq_file *s)
+{
+ seq_printf(s, "# TIMESTAMP STATE EVENT\n");
+ seq_printf(s, "# | | |\n");
+}
+
static struct tracer power_tracer __read_mostly =
{
.name = "power",
@@ -198,6 +204,7 @@ static struct tracer power_tracer __read_mostly =
.stop = stop_power_trace,
.reset = power_trace_reset,
.print_line = power_print_line,
+ .print_header = power_print_header,
};
static int init_power_trace(void)
--
1.5.5.3
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v2] tracing: Make power trace display correct header
2009-04-13 7:00 [PATCH] tracing: Make power trace display correct header Zhaolei
@ 2009-04-13 7:23 ` Zhaolei
2009-04-13 21:46 ` [tip:tracing/urgent] tracing: Fix power tracer header tip-bot for Zhaolei
0 siblings, 1 reply; 3+ messages in thread
From: Zhaolei @ 2009-04-13 7:23 UTC (permalink / raw)
To: Steven Rostedt, Frederic Weisbecker, Tom Zanussi, Ingo Molnar
Cc: linux-kernel
ChangeLog:
v1: Make power trace display correct header
v2: Use seq_puts instead of seq_printf
Before patch:
# tracer: power
#
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
[ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463
[ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532
...
After patch:
# tracer: power
#
# TIMESTAMP STATE EVENT
# | | |
[ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463
[ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532
...
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
---
kernel/trace/trace_power.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index 810a5b7..8a30d98 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -190,6 +190,12 @@ static enum print_line_t power_print_line(struct trace_iterator *iter)
return TRACE_TYPE_UNHANDLED;
}
+static void power_print_header(struct seq_file *s)
+{
+ seq_puts(s, "# TIMESTAMP STATE EVENT\n");
+ seq_puts(s, "# | | |\n");
+}
+
static struct tracer power_tracer __read_mostly =
{
.name = "power",
@@ -198,6 +204,7 @@ static struct tracer power_tracer __read_mostly =
.stop = stop_power_trace,
.reset = power_trace_reset,
.print_line = power_print_line,
+ .print_header = power_print_header,
};
static int init_power_trace(void)
--
1.5.5.3
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [tip:tracing/urgent] tracing: Fix power tracer header
2009-04-13 7:23 ` [PATCH v2] " Zhaolei
@ 2009-04-13 21:46 ` tip-bot for Zhaolei
0 siblings, 0 replies; 3+ messages in thread
From: tip-bot for Zhaolei @ 2009-04-13 21:46 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, hpa, mingo, tzanussi, arjan, zhaolei, fweisbec,
rostedt, tglx, mingo
Commit-ID: a3d03ecaf9fe722bf96e4ef4a2f5e42ef652ddeb
Gitweb: http://git.kernel.org/tip/a3d03ecaf9fe722bf96e4ef4a2f5e42ef652ddeb
Author: Zhaolei <zhaolei@cn.fujitsu.com>
AuthorDate: Mon, 13 Apr 2009 15:23:53 +0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 13 Apr 2009 23:39:57 +0200
tracing: Fix power tracer header
Before patch:
# tracer: power
#
# TASK-PID CPU# TIMESTAMP FUNCTION
# | | | | |
[ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463
[ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532
...
After patch:
# tracer: power
#
# TIMESTAMP STATE EVENT
# | | |
[ 676.875865889] CSTATE: Going to C1 on cpu 0 for 0.005911463
[ 676.882938805] CSTATE: Going to C1 on cpu 0 for 0.104796532
...
v2: Use seq_puts instead of seq_printf
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <49E2E889.5000903@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
kernel/trace/trace_power.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/trace_power.c b/kernel/trace/trace_power.c
index bae791e..1184397 100644
--- a/kernel/trace/trace_power.c
+++ b/kernel/trace/trace_power.c
@@ -186,6 +186,12 @@ static enum print_line_t power_print_line(struct trace_iterator *iter)
return TRACE_TYPE_UNHANDLED;
}
+static void power_print_header(struct seq_file *s)
+{
+ seq_puts(s, "# TIMESTAMP STATE EVENT\n");
+ seq_puts(s, "# | | |\n");
+}
+
static struct tracer power_tracer __read_mostly =
{
.name = "power",
@@ -194,6 +200,7 @@ static struct tracer power_tracer __read_mostly =
.stop = stop_power_trace,
.reset = power_trace_reset,
.print_line = power_print_line,
+ .print_header = power_print_header,
};
static int init_power_trace(void)
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2009-04-13 7:00 [PATCH] tracing: Make power trace display correct header Zhaolei
2009-04-13 7:23 ` [PATCH v2] " Zhaolei
2009-04-13 21:46 ` [tip:tracing/urgent] tracing: Fix power tracer header tip-bot for Zhaolei
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