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Commit de1d7286060430e79a1d50ad6e5fee8fe863c5f6

Authored by Mathieu Desnoyers
Committed by Ingo Molnar
1 parent 20c8928abe
Exists in master and in 7 other branches imx_3.0.35_4.1.0, imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga, smarc-l5.0.0_1.0.0-ga

tracepoint: trace_sched_migrate_task(): remove parameter 

The orig_cpu parameter in trace_sched_migrate_task() is not necessary,
it can be got by using task_cpu(p) in the probe.

[ Impact: micro-optimization ]

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
[ modified from Mathieu's patch. The original patch is at:
  http://marc.info/?l=linux-kernel&m=123791201716239&w=2 ]
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: fweisbec@gmail.com
Cc: rostedt@goodmis.org
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: zhaolei@cn.fujitsu.com
Cc: laijs@cn.fujitsu.com
LKML-Reference: <49FFFDB7.1050402@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

Showing 2 changed files with 4 additions and 4 deletions Side-by-side Diff

include/trace/events/sched.h
Diff comments   View file @ de1d728
... ... @@ -180,9 +180,9 @@
180 180 */
181 181 TRACE_EVENT(sched_migrate_task,
182 182  
183   - TP_PROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
  183 + TP_PROTO(struct task_struct *p, int dest_cpu),
184 184  
185   - TP_ARGS(p, orig_cpu, dest_cpu),
  185 + TP_ARGS(p, dest_cpu),
186 186  
187 187 TP_STRUCT__entry(
188 188 __array( char, comm, TASK_COMM_LEN )
... ... @@ -196,7 +196,7 @@
196 196 memcpy(__entry->comm, p->comm, TASK_COMM_LEN);
197 197 __entry->pid = p->pid;
198 198 __entry->prio = p->prio;
199   - __entry->orig_cpu = orig_cpu;
  199 + __entry->orig_cpu = task_cpu(p);
200 200 __entry->dest_cpu = dest_cpu;
201 201 ),
202 202  
... ... @@ -1954,7 +1954,7 @@
1954 1954  
1955 1955 clock_offset = old_rq->clock - new_rq->clock;
1956 1956  
1957   - trace_sched_migrate_task(p, task_cpu(p), new_cpu);
  1957 + trace_sched_migrate_task(p, new_cpu);
1958 1958  
1959 1959 #ifdef CONFIG_SCHEDSTATS
1960 1960 if (p->se.wait_start)