X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Foprofile%2Fcpu_buffer.c;h=fc4bc9b94c748d2e1736913f8d4978bc07cfcb49;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=e9b1772a3a28cdfb7253faac3f2d24447946dd4a;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index e9b1772a3..fc4bc9b94 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -38,12 +38,10 @@ void free_cpu_buffers(void)
 {
 	int i;
  
-	for_each_online_cpu(i) {
+	for_each_online_cpu(i)
 		vfree(cpu_buffer[i].buffer);
-	}
 }
- 
- 
+
 int alloc_cpu_buffers(void)
 {
 	int i;
@@ -53,7 +51,8 @@ int alloc_cpu_buffers(void)
 	for_each_online_cpu(i) {
 		struct oprofile_cpu_buffer * b = &cpu_buffer[i];
  
-		b->buffer = vmalloc(sizeof(struct op_sample) * buffer_size);
+		b->buffer = vmalloc_node(sizeof(struct op_sample) * buffer_size,
+			cpu_to_node(i));
 		if (!b->buffer)
 			goto fail;
  
@@ -74,7 +73,6 @@ fail:
 	free_cpu_buffers();
 	return -ENOMEM;
 }
- 
 
 void start_cpu_work(void)
 {
@@ -93,7 +91,6 @@ void start_cpu_work(void)
 	}
 }
 
-
 void end_cpu_work(void)
 {
 	int i;
@@ -109,7 +106,6 @@ void end_cpu_work(void)
 	flush_scheduled_work();
 }
 
-
 /* Resets the cpu buffer to a sane state. */
 void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf)
 {
@@ -121,7 +117,6 @@ void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf)
 	cpu_buf->last_task = NULL;
 }
 
-
 /* compute number of available slots in cpu_buffer queue */
 static unsigned long nr_available_slots(struct oprofile_cpu_buffer const * b)
 {
@@ -134,7 +129,6 @@ static unsigned long nr_available_slots(struct oprofile_cpu_buffer const * b)
 	return tail + (b->buffer_size - head) - 1;
 }
 
-
 static void increment_head(struct oprofile_cpu_buffer * b)
 {
 	unsigned long new_head = b->head_pos + 1;
@@ -149,10 +143,7 @@ static void increment_head(struct oprofile_cpu_buffer * b)
 		b->head_pos = 0;
 }
 
-
-
-
-inline static void
+static inline void
 add_sample(struct oprofile_cpu_buffer * cpu_buf,
            unsigned long pc, unsigned long event)
 {
@@ -162,14 +153,12 @@ add_sample(struct oprofile_cpu_buffer * cpu_buf,
 	increment_head(cpu_buf);
 }
 
-
-inline static void
+static inline void
 add_code(struct oprofile_cpu_buffer * buffer, unsigned long value)
 {
 	add_sample(buffer, ESCAPE_CODE, value);
 }
 
-
 /* This must be safe from any context. It's safe writing here
  * because of the head/tail separation of the writer and reader
  * of the CPU buffer.
@@ -223,18 +212,15 @@ static int oprofile_begin_trace(struct oprofile_cpu_buffer * cpu_buf)
 	return 1;
 }
 
-
 static void oprofile_end_trace(struct oprofile_cpu_buffer * cpu_buf)
 {
 	cpu_buf->tracing = 0;
 }
 
-
-void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
+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 = &cpu_buffer[smp_processor_id()];
-	unsigned long pc = profile_pc(regs);
-	int is_kernel = !user_mode(regs);
 
 	if (!backtrace_depth) {
 		log_sample(cpu_buf, pc, is_kernel, event);
@@ -251,6 +237,13 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
 	oprofile_end_trace(cpu_buf);
 }
 
+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);
+}
 
 void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
 {
@@ -258,7 +251,6 @@ void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
 	log_sample(cpu_buf, pc, is_kernel, event);
 }
 
-
 void oprofile_add_trace(unsigned long pc)
 {
 	struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];
@@ -283,8 +275,6 @@ void oprofile_add_trace(unsigned long pc)
 	add_sample(cpu_buf, pc, 0);
 }
 
-
-
 /*
  * This serves to avoid cpu buffer overflow, and makes sure
  * the task mortuary progresses