tmakin/ack-tegra
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

tracing: tracepoints for softirq entry/exit - tracepoints

Browse Source 
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>
This commit is contained in:
Jason Baron
2009-03-12 14:36:03 -04:00
committed by Steven Rostedt
parent 5d592b44b2
commit 39842323ce
2 changed files with 18 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/trace/irq_event_types.h
+12
View File
@@ -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