fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / oprofile / cpu_buffer.h

diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h
index 66eafcd..fbadfbf 100644 (file)
--- a/drivers/oprofile/cpu_buffer.h
+++ b/drivers/oprofile/cpu_buffer.h
@@ -12,15 +12,17 @@
 
 #include <linux/types.h>
 #include <linux/spinlock.h>
+#include <linux/workqueue.h>
 #include <linux/cache.h>
  
 struct task_struct;
  
-/* allocate a sample buffer for each CPU */
 int alloc_cpu_buffers(void);
-
 void free_cpu_buffers(void);
 
+void start_cpu_work(void);
+void end_cpu_work(void);
+
 /* CPU buffer is composed of such entries (which are
  * also used for context switch notes)
  */
@@ -34,15 +36,25 @@ struct oprofile_cpu_buffer {
        volatile unsigned long tail_pos;
        unsigned long buffer_size;
        struct task_struct * last_task;
-       int last_is_kernel;
+       int last_cpu_mode;
+       int tracing;
        struct op_sample * buffer;
        unsigned long sample_received;
        unsigned long sample_lost_overflow;
-       unsigned long sample_lost_task_exit;
+       unsigned long backtrace_aborted;
+       int cpu;
+       struct delayed_work work;
 } ____cacheline_aligned;
 
 extern struct oprofile_cpu_buffer cpu_buffer[];
 
-void cpu_buffer_reset(struct oprofile_cpu_buffer *cpu_buf);
+void cpu_buffer_reset(struct oprofile_cpu_buffer * cpu_buf);
+
+/* transient events for the CPU buffer -> event buffer */
+#define CPU_MODE_USER           0
+#define CPU_MODE_KERNEL         1
+#define CPU_MODE_XEN            2
+#define CPU_TRACE_BEGIN         3
+#define CPU_DOMAIN_SWITCH       4
 
 #endif /* OPROFILE_CPU_BUFFER_H */