Update taskstats-struct document for scaled time accounting
Update Documentation/accounting/taskstats-struct.txt for TASKSTATS_VERSION 6, adding scaled time accounting. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -24,6 +24,8 @@ There are three different groups of fields in the struct taskstats:
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4) Per-task and per-thread context switch count statistics
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4) Per-task and per-thread context switch count statistics
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5) Time accounting for SMT machines
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Future extension should add fields to the end of the taskstats struct, and
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Future extension should add fields to the end of the taskstats struct, and
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should not change the relative position of each field within the struct.
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should not change the relative position of each field within the struct.
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@ -164,4 +166,8 @@ struct taskstats {
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__u64 nvcsw; /* Context voluntary switch counter */
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__u64 nvcsw; /* Context voluntary switch counter */
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__u64 nivcsw; /* Context involuntary switch counter */
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__u64 nivcsw; /* Context involuntary switch counter */
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5) Time accounting for SMT machines
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__u64 ac_utimescaled; /* utime scaled on frequency etc */
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__u64 ac_stimescaled; /* stime scaled on frequency etc */
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__u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
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}
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}
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