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workqueue: tracing the name of the workqueue instead of it's address 

This patch tracing workqueue name instead of it's address, the
new format is as follows.

workqueue_queue_work: work struct=0000000084e3df56 function=
drm_fb_helper_dirty_work workqueue=events req_cpu=256 cpu=1

This tell us to know which workqueue our work is queued.

Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Zqiang 2021-01-04 20:43:06 +08:00 committed by Tejun Heo
parent 93e86295f5
commit 7bf9c4a88e
1 changed files with 3 additions and 3 deletions
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6
include/trace/events/workqueue.h
View File

@ -30,7 +30,7 @@ TRACE_EVENT(workqueue_queue_work,
TP_STRUCT__entry(
__field( void *, work )
__field( void *, function)
__field( void *, workqueue)
__field( const char *, workqueue)
__field( unsigned int, req_cpu )
__field( unsigned int, cpu )
),
@ -38,12 +38,12 @@ TRACE_EVENT(workqueue_queue_work,
TP_fast_assign(
__entry->work = work;
__entry->function = work->func;
__entry->workqueue = pwq->wq;
__entry->workqueue = pwq->wq->name;
__entry->req_cpu = req_cpu;
__entry->cpu = pwq->pool->cpu;
),
TP_printk("work struct=%p function=%ps workqueue=%p req_cpu=%u cpu=%u",
TP_printk("work struct=%p function=%ps workqueue=%s req_cpu=%u cpu=%u",
__entry->work, __entry->function, __entry->workqueue,
__entry->req_cpu, __entry->cpu)
);