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authorPeter Zijlstra <[email protected]>2016-10-03 16:35:32 +0200
committerIngo Molnar <[email protected]>2017-01-14 11:29:34 +0100
commit3bed5e2166a5e433bf62162f3cd3c5174d335934 (patch)
tree92e845b7abb4fa91f29c4fe32f92333ec139404b /tools/perf/scripts/python/stackcollapse.py
parent80f5c1b84baa8180c3c27b7e227429712cd967b6 (diff)
sched/core: Add missing update_rq_clock() call for task_hot()
Add the update_rq_clock() call at the top of the callstack instead of at the bottom where we find it missing, this to aid later effort to minimize the number of update_rq_lock() calls. WARNING: CPU: 30 PID: 194 at ../kernel/sched/sched.h:797 assert_clock_updated() rq->clock_update_flags < RQCF_ACT_SKIP Call Trace: dump_stack() __warn() warn_slowpath_fmt() assert_clock_updated.isra.63.part.64() can_migrate_task() load_balance() pick_next_task_fair() __schedule() schedule() worker_thread() kthread() Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Mike Galbraith <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
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