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tracing: Convert some workqueue events to DEFINE_EVENT
Use DECLARE_EVENT_CLASS to remove duplicate code: text data bss dec hex filename 13171 800 72 14043 36db kernel/workqueue.o.old 12243 800 68 13111 3337 kernel/workqueue.o Two events are converted: workqueue: workqueue_insertion, workqueue_execution No change in functionality. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <4B0E289F.5010104@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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c467307c1a
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1 changed files with 7 additions and 15 deletions
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@ -8,7 +8,7 @@
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#include <linux/sched.h>
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#include <linux/tracepoint.h>
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TRACE_EVENT(workqueue_insertion,
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DECLARE_EVENT_CLASS(workqueue,
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TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
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@ -30,26 +30,18 @@ TRACE_EVENT(workqueue_insertion,
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__entry->thread_pid, __entry->func)
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);
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TRACE_EVENT(workqueue_execution,
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DEFINE_EVENT(workqueue, workqueue_insertion,
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TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
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TP_ARGS(wq_thread, work),
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TP_ARGS(wq_thread, work)
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);
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TP_STRUCT__entry(
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__array(char, thread_comm, TASK_COMM_LEN)
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__field(pid_t, thread_pid)
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__field(work_func_t, func)
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),
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DEFINE_EVENT(workqueue, workqueue_execution,
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TP_fast_assign(
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memcpy(__entry->thread_comm, wq_thread->comm, TASK_COMM_LEN);
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__entry->thread_pid = wq_thread->pid;
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__entry->func = work->func;
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),
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TP_PROTO(struct task_struct *wq_thread, struct work_struct *work),
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TP_printk("thread=%s:%d func=%pf", __entry->thread_comm,
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__entry->thread_pid, __entry->func)
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TP_ARGS(wq_thread, work)
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);
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/* Trace the creation of one workqueue thread on a cpu */
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