ftrace: move enums to ftrace.h and make helper function global
picked from the mmiotracer patches to distangle the patch queues. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@@ -6,6 +6,18 @@
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#include <linux/sched.h>
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#include <linux/clocksource.h>
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enum trace_type {
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__TRACE_FIRST_TYPE = 0,
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TRACE_FN,
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TRACE_CTX,
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TRACE_WAKE,
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TRACE_STACK,
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TRACE_SPECIAL,
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__TRACE_LAST_TYPE
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};
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/*
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* Function trace entry - function address and parent function addres:
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*/
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@@ -130,6 +142,7 @@ struct tracer {
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int (*selftest)(struct tracer *trace,
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struct trace_array *tr);
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#endif
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int (*print_line)(struct trace_iterator *iter);
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struct tracer *next;
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int print_max;
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};
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@@ -276,6 +289,8 @@ extern int trace_selftest_startup_sched_switch(struct tracer *trace,
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#endif /* CONFIG_FTRACE_STARTUP_TEST */
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extern void *head_page(struct trace_array_cpu *data);
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extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
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extern long ns2usecs(cycle_t nsec);
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extern unsigned long trace_flags;
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