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Subject[PATCH 06/18] oprofile: add inline function __oprofile_add_ext_sample()
Date
This patch adds the inline function __oprofile_add_ext_sample() to
cpu_buffer.c and thus reduces overhead when calling
oprofile_add_sample().

Signed-off-by: Robert Richter <robert.richter@amd.com>
---
drivers/oprofile/cpu_buffer.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index b353b19..9e66c38 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -277,8 +277,9 @@ static void oprofile_end_trace(struct oprofile_cpu_buffer *cpu_buf)
cpu_buf->tracing = 0;
}

-void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
- unsigned long event, int is_kernel)
+static inline void
+__oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+ unsigned long event, int is_kernel)
{
struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer);

@@ -299,12 +300,18 @@ void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
oprofile_end_trace(cpu_buf);
}

+void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+ unsigned long event, int is_kernel)
+{
+ __oprofile_add_ext_sample(pc, regs, event, is_kernel);
+}
+
void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
{
int is_kernel = !user_mode(regs);
unsigned long pc = profile_pc(regs);

- oprofile_add_ext_sample(pc, regs, event, is_kernel);
+ __oprofile_add_ext_sample(pc, regs, event, is_kernel);
}

#ifdef CONFIG_OPROFILE_IBS
--
1.6.0.1



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