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sched/debug: Increase SCHEDSTAT_VERSION to 16
We changed the order of definitions within 'enum cpu_idle_type', which changed the order of [CPU_MAX_IDLE_TYPES] columns in show_schedstat(). Suggested-by: Shrikanth Hegde <sshegde@linux.ibm.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: "Gautham R. Shenoy" <gautham.shenoy@amd.com> Link: https://lore.kernel.org/r/20240308105901.1096078-5-mingo@kernel.org
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@ -2,6 +2,11 @@
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Scheduler Statistics
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Scheduler Statistics
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====================
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====================
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Version 16 of schedstats changed the order of definitions within
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'enum cpu_idle_type', which changed the order of [CPU_MAX_IDLE_TYPES]
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columns in show_schedstat(). In particular the position of CPU_IDLE
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and __CPU_NOT_IDLE changed places. The size of the array is unchanged.
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Version 15 of schedstats dropped counters for some sched_yield:
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Version 15 of schedstats dropped counters for some sched_yield:
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yld_exp_empty, yld_act_empty and yld_both_empty. Otherwise, it is
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yld_exp_empty, yld_act_empty and yld_both_empty. Otherwise, it is
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identical to version 14.
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identical to version 14.
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@ -113,7 +113,7 @@ void __update_stats_enqueue_sleeper(struct rq *rq, struct task_struct *p,
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* Bump this up when changing the output format or the meaning of an existing
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* Bump this up when changing the output format or the meaning of an existing
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* format, so that tools can adapt (or abort)
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* format, so that tools can adapt (or abort)
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*/
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*/
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#define SCHEDSTAT_VERSION 15
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#define SCHEDSTAT_VERSION 16
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static int show_schedstat(struct seq_file *seq, void *v)
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static int show_schedstat(struct seq_file *seq, void *v)
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{
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{
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