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authorJason Baron <jbaron@redhat.com>2009-03-12 14:33:36 -0400
committerSteven Rostedt <srostedt@redhat.com>2009-03-12 21:15:02 -0400
commit5d592b44b29a1d73e13d5c9e3426eed843bdc359 (patch)
treee26ec625e6fb5efdbbf41d0bba940a2dbac19f50 /include/linux
parente447e1df2e568cd43d1918963c9f09fae85aea57 (diff)
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')
-rw-r--r--include/linux/interrupt.h5
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
258 NR_SOFTIRQS 258 NR_SOFTIRQS
259}; 259};
260 260
261/* map softirq index to softirq name. update 'softirq_to_name' in
262 * kernel/softirq.c when adding a new softirq.
263 */
264extern char *softirq_to_name[NR_SOFTIRQS];
265
261/* softirq mask and active fields moved to irq_cpustat_t in 266/* softirq mask and active fields moved to irq_cpustat_t in
262 * asm/hardirq.h to get better cache usage. KAO 267 * asm/hardirq.h to get better cache usage. KAO
263 */ 268 */