commit cda48461c7fb8431a99b7960480f5f42cc1a5324
author Steven Rostedt <srostedt@redhat.com> Wed Oct 14 15:43:42 2009 -0400
committer Ingo Molnar <mingo@elte.hu> Thu Oct 15 10:42:39 2009 +0200
tree 89afa42fb7136ac1086d1736529f59cfe4ac1ce3
parent 0d1da915c76838c9ee7af7cdefbcb2bae9424161

perf tools: Add latency format to trace output

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>

tools/perf/util/trace-event.h

diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index 29821ac..f6637c2 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -239,6 +239,8 @@
 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 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 */