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authorIngo Molnar <mingo@elte.hu>2008-05-12 21:20:45 +0200
committerThomas Gleixner <tglx@linutronix.de>2008-05-23 20:40:46 +0200
commitc7aafc549766b87819285d3480648fc652a47bc4 (patch)
tree4c36170a644633f930feca57b27f8c5d23644e70 /kernel/trace/trace.h
parent60a11774b38fef1ab90b18c5353bd1c7c4d311c8 (diff)
ftrace: cleanups
factor out code and clean it up. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 88edbf1f678..cc1d34b8b77 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -53,12 +53,12 @@ struct trace_entry {
* the trace, etc.)
*/
struct trace_array_cpu {
- void *trace;
void *trace_current;
- unsigned trace_current_idx;
struct list_head trace_pages;
- unsigned long trace_idx;
atomic_t disabled;
+ /* these fields get copied into max-trace: */
+ unsigned trace_current_idx;
+ unsigned long trace_idx;
unsigned long saved_latency;
unsigned long critical_start;
unsigned long critical_end;
@@ -216,4 +216,6 @@ extern int trace_selftest_startup_sched_switch(struct tracer *trace,
#endif
#endif /* CONFIG_FTRACE_STARTUP_TEST */
+extern void *head_page(struct trace_array_cpu *data);
+
#endif /* _LINUX_KERNEL_TRACE_H */