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| author | Jason Baron <jbaron@redhat.com> | 2009-03-12 14:36:03 -0400 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-12 21:20:58 -0400 |
| commit | 39842323ceb368d2ea36ab7696aedbe296e13b61 (patch) | |
| tree | 6050a0e282eaaf500f3809b1e53256b24b570d92 /include/trace | |
| parent | 5d592b44b29a1d73e13d5c9e3426eed843bdc359 (diff) | |
| download | linux-3.10-39842323ceb368d2ea36ab7696aedbe296e13b61.tar.gz linux-3.10-39842323ceb368d2ea36ab7696aedbe296e13b61.tar.bz2 linux-3.10-39842323ceb368d2ea36ab7696aedbe296e13b61.zip | |
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.h | 12 |
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 |