]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/oprofile/cpu_buffer.c
[SCSI] zfcp: Clean up _zfcp_san_dbf_event_common_els
[linux-2.6-omap-h63xx.git] / drivers / oprofile / cpu_buffer.c
index fc4bc9b94c748d2e1736913f8d4978bc07cfcb49..c93d3d2640ab884b2a4d43a4339afd2613cd149d 100644 (file)
@@ -29,7 +29,7 @@
 
 struct oprofile_cpu_buffer cpu_buffer[NR_CPUS] __cacheline_aligned;
 
-static void wq_sync_buffer(void *);
+static void wq_sync_buffer(struct work_struct *work);
 
 #define DEFAULT_TIMER_EXPIRE (HZ / 10)
 static int work_enabled;
@@ -64,8 +64,10 @@ int alloc_cpu_buffers(void)
                b->head_pos = 0;
                b->sample_received = 0;
                b->sample_lost_overflow = 0;
+               b->backtrace_aborted = 0;
+               b->sample_invalid_eip = 0;
                b->cpu = i;
-               INIT_WORK(&b->work, wq_sync_buffer, b);
+               INIT_DELAYED_WORK(&b->work, wq_sync_buffer);
        }
        return 0;
 
@@ -175,6 +177,11 @@ static int log_sample(struct oprofile_cpu_buffer * cpu_buf, unsigned long pc,
 
        cpu_buf->sample_received++;
 
+       if (pc == ESCAPE_CODE) {
+               cpu_buf->sample_invalid_eip++;
+               return 0;
+       }
+
        if (nr_available_slots(cpu_buf) < 3) {
                cpu_buf->sample_lost_overflow++;
                return 0;
@@ -282,9 +289,10 @@ void oprofile_add_trace(unsigned long pc)
  * By using schedule_delayed_work_on and then schedule_delayed_work
  * we guarantee this will stay on the correct cpu
  */
-static void wq_sync_buffer(void * data)
+static void wq_sync_buffer(struct work_struct *work)
 {
-       struct oprofile_cpu_buffer * b = data;
+       struct oprofile_cpu_buffer * b =
+               container_of(work, struct oprofile_cpu_buffer, work.work);
        if (b->cpu != smp_processor_id()) {
                printk("WQ on CPU%d, prefer CPU%d\n",
                       smp_processor_id(), b->cpu);