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| author | Jason Baron <jbaron@redhat.com> | 2009-03-12 21:33:36 +0300 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-13 04:15:02 +0300 |
| commit | 5d592b44b29a1d73e13d5c9e3426eed843bdc359 (patch) | |
| tree | e26ec625e6fb5efdbbf41d0bba940a2dbac19f50 /include/linux/interrupt.h | |
| parent | e447e1df2e568cd43d1918963c9f09fae85aea57 (diff) | |
| download | linux-5d592b44b29a1d73e13d5c9e3426eed843bdc359.tar.xz | |
tracing: tracepoints for softirq entry/exit - add softirq-to-name array
Create a 'softirq_to_name' array, which is indexed by softirq #, so
that we can easily convert between the softirq index # and its name, in
order to get more meaningful output messages.
LKML-Reference: <20090312183336.GB3352@redhat.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to 'include/linux/interrupt.h')
| -rw-r--r-- | include/linux/interrupt.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 472f11765f60..9b7e9d743476 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -258,6 +258,11 @@ enum NR_SOFTIRQS }; +/* map softirq index to softirq name. update 'softirq_to_name' in + * kernel/softirq.c when adding a new softirq. + */ +extern char *softirq_to_name[NR_SOFTIRQS]; + /* softirq mask and active fields moved to irq_cpustat_t in * asm/hardirq.h to get better cache usage. KAO */ |