* [PATCH] x86: allow tracing of functions in arch/x86/kernel/rtc.c
@ 2012-10-05 11:18 David Vrabel
2012-10-05 11:24 ` David Vrabel
2012-10-08 12:07 ` [PATCHv2] " David Vrabel
0 siblings, 2 replies; 4+ messages in thread
From: David Vrabel @ 2012-10-05 11:18 UTC (permalink / raw)
To: x86; +Cc: linux-kernel, David Vrabel
Move native_read_tsc() to tsc.c to allow profiling to be re-enabled
for rtc.c.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
---
arch/x86/kernel/Makefile | 1 -
arch/x86/kernel/rtc.c | 6 ------
arch/x86/kernel/tsc.c | 5 +++++
3 files changed, 5 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 8215e56..19dd3a6 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -9,7 +9,6 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
ifdef CONFIG_FUNCTION_TRACER
# Do not profile debug and lowlevel utilities
CFLAGS_REMOVE_tsc.o = -pg
-CFLAGS_REMOVE_rtc.o = -pg
CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
CFLAGS_REMOVE_pvclock.o = -pg
CFLAGS_REMOVE_kvmclock.o = -pg
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index af6db6e..8ab7c62 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts)
ts->tv_nsec = 0;
}
-unsigned long long native_read_tsc(void)
-{
- return __native_read_tsc();
-}
-EXPORT_SYMBOL(native_read_tsc);
-
static struct resource rtc_resources[] = {
[0] = {
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index cfa5d4f..15e190a 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -77,6 +77,11 @@ unsigned long long
sched_clock(void) __attribute__((alias("native_sched_clock")));
#endif
+unsigned long long native_read_tsc(void)
+{
+ return __native_read_tsc();
+}
+
int check_tsc_unstable(void)
{
return tsc_unstable;
--
1.7.2.5
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] x86: allow tracing of functions in arch/x86/kernel/rtc.c
2012-10-05 11:18 [PATCH] x86: allow tracing of functions in arch/x86/kernel/rtc.c David Vrabel
@ 2012-10-05 11:24 ` David Vrabel
2012-10-08 12:07 ` [PATCHv2] " David Vrabel
1 sibling, 0 replies; 4+ messages in thread
From: David Vrabel @ 2012-10-05 11:24 UTC (permalink / raw)
To: David Vrabel; +Cc: x86, linux-kernel
On 05/10/12 12:18, David Vrabel wrote:
> Move native_read_tsc() to tsc.c to allow profiling to be re-enabled
> for rtc.c.
Sorry, dropped the EXPORT_SYMBOL() by mistake. I'll fix this and repost.
David
> diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
> index af6db6e..8ab7c62 100644
> --- a/arch/x86/kernel/rtc.c
> +++ b/arch/x86/kernel/rtc.c
> @@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts)
> ts->tv_nsec = 0;
> }
>
> -unsigned long long native_read_tsc(void)
> -{
> - return __native_read_tsc();
> -}
> -EXPORT_SYMBOL(native_read_tsc);
> -
>
> static struct resource rtc_resources[] = {
> [0] = {
> diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
> index cfa5d4f..15e190a 100644
> --- a/arch/x86/kernel/tsc.c
> +++ b/arch/x86/kernel/tsc.c
> @@ -77,6 +77,11 @@ unsigned long long
> sched_clock(void) __attribute__((alias("native_sched_clock")));
> #endif
>
> +unsigned long long native_read_tsc(void)
> +{
> + return __native_read_tsc();
> +}
> +
> int check_tsc_unstable(void)
> {
> return tsc_unstable;
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCHv2] x86: allow tracing of functions in arch/x86/kernel/rtc.c
2012-10-05 11:18 [PATCH] x86: allow tracing of functions in arch/x86/kernel/rtc.c David Vrabel
2012-10-05 11:24 ` David Vrabel
@ 2012-10-08 12:07 ` David Vrabel
2012-10-24 13:00 ` [tip:perf/core] x86: Allow tracing of functions in arch/x86/kernel /rtc.c tip-bot for David Vrabel
1 sibling, 1 reply; 4+ messages in thread
From: David Vrabel @ 2012-10-08 12:07 UTC (permalink / raw)
To: linux-kernel; +Cc: x86, David Vrabel
Move native_read_tsc() to tsc.c to allow profiling to be re-enabled
for rtc.c.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
---
Changes in v2:
- re-add EXPORT_SYMBOL().
---
arch/x86/kernel/Makefile | 1 -
arch/x86/kernel/rtc.c | 6 ------
arch/x86/kernel/tsc.c | 6 ++++++
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 8215e56..19dd3a6 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -9,7 +9,6 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
ifdef CONFIG_FUNCTION_TRACER
# Do not profile debug and lowlevel utilities
CFLAGS_REMOVE_tsc.o = -pg
-CFLAGS_REMOVE_rtc.o = -pg
CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
CFLAGS_REMOVE_pvclock.o = -pg
CFLAGS_REMOVE_kvmclock.o = -pg
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index af6db6e..8ab7c62 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts)
ts->tv_nsec = 0;
}
-unsigned long long native_read_tsc(void)
-{
- return __native_read_tsc();
-}
-EXPORT_SYMBOL(native_read_tsc);
-
static struct resource rtc_resources[] = {
[0] = {
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index cfa5d4f..06ccb50 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -77,6 +77,12 @@ unsigned long long
sched_clock(void) __attribute__((alias("native_sched_clock")));
#endif
+unsigned long long native_read_tsc(void)
+{
+ return __native_read_tsc();
+}
+EXPORT_SYMBOL(native_read_tsc);
+
int check_tsc_unstable(void)
{
return tsc_unstable;
--
1.7.2.5
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [tip:perf/core] x86: Allow tracing of functions in arch/x86/kernel /rtc.c
2012-10-08 12:07 ` [PATCHv2] " David Vrabel
@ 2012-10-24 13:00 ` tip-bot for David Vrabel
0 siblings, 0 replies; 4+ messages in thread
From: tip-bot for David Vrabel @ 2012-10-24 13:00 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, hpa, mingo, a.p.zijlstra, fweisbec, rostedt, tglx,
david.vrabel
Commit-ID: ce37f400336a34bb6e72c4700f9dcc2a41ff7163
Gitweb: http://git.kernel.org/tip/ce37f400336a34bb6e72c4700f9dcc2a41ff7163
Author: David Vrabel <david.vrabel@citrix.com>
AuthorDate: Mon, 8 Oct 2012 13:07:30 +0100
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 24 Oct 2012 13:14:22 +0200
x86: Allow tracing of functions in arch/x86/kernel/rtc.c
Move native_read_tsc() to tsc.c to allow profiling to be
re-enabled for rtc.c.
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1349698050-6560-1-git-send-email-david.vrabel@citrix.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/kernel/Makefile | 1 -
arch/x86/kernel/rtc.c | 6 ------
arch/x86/kernel/tsc.c | 6 ++++++
3 files changed, 6 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 91ce48f..9fd5eed 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -9,7 +9,6 @@ CPPFLAGS_vmlinux.lds += -U$(UTS_MACHINE)
ifdef CONFIG_FUNCTION_TRACER
# Do not profile debug and lowlevel utilities
CFLAGS_REMOVE_tsc.o = -pg
-CFLAGS_REMOVE_rtc.o = -pg
CFLAGS_REMOVE_paravirt-spinlocks.o = -pg
CFLAGS_REMOVE_pvclock.o = -pg
CFLAGS_REMOVE_kvmclock.o = -pg
diff --git a/arch/x86/kernel/rtc.c b/arch/x86/kernel/rtc.c
index 4929c1b..801602b 100644
--- a/arch/x86/kernel/rtc.c
+++ b/arch/x86/kernel/rtc.c
@@ -195,12 +195,6 @@ void read_persistent_clock(struct timespec *ts)
ts->tv_nsec = 0;
}
-unsigned long long native_read_tsc(void)
-{
- return __native_read_tsc();
-}
-EXPORT_SYMBOL(native_read_tsc);
-
static struct resource rtc_resources[] = {
[0] = {
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index cfa5d4f..06ccb50 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -77,6 +77,12 @@ unsigned long long
sched_clock(void) __attribute__((alias("native_sched_clock")));
#endif
+unsigned long long native_read_tsc(void)
+{
+ return __native_read_tsc();
+}
+EXPORT_SYMBOL(native_read_tsc);
+
int check_tsc_unstable(void)
{
return tsc_unstable;
^ permalink raw reply related [flat|nested] 4+ messages in thread
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2012-10-05 11:18 [PATCH] x86: allow tracing of functions in arch/x86/kernel/rtc.c David Vrabel
2012-10-05 11:24 ` David Vrabel
2012-10-08 12:07 ` [PATCHv2] " David Vrabel
2012-10-24 13:00 ` [tip:perf/core] x86: Allow tracing of functions in arch/x86/kernel /rtc.c tip-bot for David Vrabel
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