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perf tools: Add latency format to trace output

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Add the irqs disabled, preemption count, need resched, and other
info that is shown in the latency format of ftrace.

 # perf trace -l
    perf-16457   2..s2. 53636.260344: kmem_cache_free: call_site=ffffffff811198f
    perf-16457   2..s2. 53636.264330: kmem_cache_free: call_site=ffffffff811198f
    perf-16457   2d.s4. 53636.300006: kmem_cache_free: call_site=ffffffff810d889

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20091014194400.076588953@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-10-14 15:43:42 -04:00 • committed by Ingo Molnar
parent 0d1da915c7
commit cda48461c7
3 changed files with 115 additions and 20 deletions
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11
tools/perf/util/trace-event.h
View file

@ -239,6 +239,8 @@ extern int header_page_size_size;
extern int header_page_data_offset;
extern int header_page_data_size;
extern int latency_format;
int parse_header_page(char *buf, unsigned long size);
int trace_parse_common_type(void *data);
struct event *trace_find_event(int id);
@ -248,4 +250,13 @@ void *raw_field_ptr(struct event *event, const char *name, void *data);
void read_tracing_data(int fd, struct perf_event_attr *pattrs, int nb_events);
/* taken from kernel/trace/trace.h */
enum trace_flag_type {
TRACE_FLAG_IRQS_OFF = 0x01,
TRACE_FLAG_IRQS_NOSUPPORT = 0x02,
TRACE_FLAG_NEED_RESCHED = 0x04,
TRACE_FLAG_HARDIRQ = 0x08,
TRACE_FLAG_SOFTIRQ = 0x10,
};
#endif /* __PERF_TRACE_EVENTS_H */