From 7bf9c4a88e3e33cf593b2452776361c6db0f28b0 Mon Sep 17 00:00:00 2001 From: Zqiang Date: Mon, 4 Jan 2021 20:43:06 +0800 Subject: [PATCH] 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 Signed-off-by: Tejun Heo --- include/trace/events/workqueue.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/include/trace/events/workqueue.h b/include/trace/events/workqueue.h index 9b8ae961acc5..970cc2ea2850 100644 --- a/include/trace/events/workqueue.h +++ b/include/trace/events/workqueue.h @@ -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) );