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ftrace: add self-tests

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Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Steven Rostedt
2008-05-12 21:20:44 +02:00
committed by Thomas Gleixner
parent e1c08bdd9f
commit 60a11774b3
8 changed files with 538 additions and 2 deletions
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31
kernel/trace/trace.h
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@@ -99,6 +99,10 @@ struct tracer {
void (*start)(struct trace_iterator *iter);
void (*stop)(struct trace_iterator *iter);
void (*ctrl_update)(struct trace_array *tr);
#ifdef CONFIG_FTRACE_STARTUP_TEST
int (*selftest)(struct tracer *trace,
struct trace_array *tr);
#endif
struct tracer *next;
int print_max;
};
@@ -185,4 +189,31 @@ extern int unregister_tracer_switch(struct tracer_switch_ops *ops);
extern unsigned long ftrace_update_tot_cnt;
#endif
#ifdef CONFIG_FTRACE_STARTUP_TEST
#ifdef CONFIG_FTRACE
extern int trace_selftest_startup_function(struct tracer *trace,
struct trace_array *tr);
#endif
#ifdef CONFIG_IRQSOFF_TRACER
extern int trace_selftest_startup_irqsoff(struct tracer *trace,
struct trace_array *tr);
#endif
#ifdef CONFIG_PREEMPT_TRACER
extern int trace_selftest_startup_preemptoff(struct tracer *trace,
struct trace_array *tr);
#endif
#if defined(CONFIG_IRQSOFF_TRACER) && defined(CONFIG_PREEMPT_TRACER)
extern int trace_selftest_startup_preemptirqsoff(struct tracer *trace,
struct trace_array *tr);
#endif
#ifdef CONFIG_SCHED_TRACER
extern int trace_selftest_startup_wakeup(struct tracer *trace,
struct trace_array *tr);
#endif
#ifdef CONFIG_CONTEXT_SWITCH_TRACER
extern int trace_selftest_startup_sched_switch(struct tracer *trace,
struct trace_array *tr);
#endif
#endif /* CONFIG_FTRACE_STARTUP_TEST */
#endif /* _LINUX_KERNEL_TRACE_H */