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authorJason Baron <jbaron@redhat.com>2009-03-12 14:36:03 -0400
committerSteven Rostedt <srostedt@redhat.com>2009-03-12 21:20:58 -0400
commit39842323ceb368d2ea36ab7696aedbe296e13b61 (patch)
tree6050a0e282eaaf500f3809b1e53256b24b570d92 /include/trace
parent5d592b44b29a1d73e13d5c9e3426eed843bdc359 (diff)
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tracing: tracepoints for softirq entry/exit - tracepoints
Introduce softirq entry/exit tracepoints. These are useful for augmenting existing tracers, and to figure out softirq frequencies and timings. [ s/irq_softirq_/softirq_/ for trace point names and Fixed printf format in TRACE_FORMAT macro - Steven Rostedt ] LKML-Reference: <20090312183603.GC3352@redhat.com> Signed-off-by: Jason Baron <jbaron@redhat.com> Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/irq_event_types.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/trace/irq_event_types.h b/include/trace/irq_event_types.h
index 214bb928fe9..85964ebd47e 100644
--- a/include/trace/irq_event_types.h
+++ b/include/trace/irq_event_types.h
@@ -40,4 +40,16 @@ TRACE_EVENT(irq_handler_exit,
__entry->irq, __entry->ret ? "handled" : "unhandled")
);
+TRACE_FORMAT(softirq_entry,
+ TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+ TP_ARGS(h, vec),
+ TP_FMT("softirq=%d action=%s", (int)(h - vec), softirq_to_name[h-vec])
+ );
+
+TRACE_FORMAT(softirq_exit,
+ TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+ TP_ARGS(h, vec),
+ TP_FMT("softirq=%d action=%s", (int)(h - vec), softirq_to_name[h-vec])
+ );
+
#undef TRACE_SYSTEM