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Commit d45d23be authored by Robert Richter's avatar Robert Richter
Browse files

oprofile: add inline function __oprofile_add_ext_sample() 



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: default avatarRobert Richter <robert.richter@amd.com>
parent 30015776

drivers/oprofile/cpu_buffer.c

+10 −3
Original line number Original line Diff line number Diff line
@@ -277,7 +277,8 @@ static void oprofile_end_trace(struct oprofile_cpu_buffer *cpu_buf) 
	cpu_buf->tracing = 0;

	cpu_buf->tracing = 0;

}

}





void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,

static inline void

__oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,

			  unsigned long event, int is_kernel)

			  unsigned long event, int is_kernel)

{

{

	struct oprofile_cpu_buffer *cpu_buf = &__get_cpu_var(cpu_buffer);

	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);

	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)

void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)

{

{

	int is_kernel = !user_mode(regs);

	int is_kernel = !user_mode(regs);

	unsigned long pc = profile_pc(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

#ifdef CONFIG_OPROFILE_IBS