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oprofile: add inline function __oprofile_add_ext_sample()

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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>
This commit is contained in:
Robert Richter 2008-12-16 12:00:10 +01:00
parent 300157768f
commit d45d23bed4
1 changed files with 10 additions and 3 deletions
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13
drivers/oprofile/cpu_buffer.c
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@ -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