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Update taskstats-struct document for scaled time accounting

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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>
This commit is contained in:
Hiroshi Shimamoto 2008-07-04 09:59:39 -07:00 committed by Linus Torvalds
parent 05946bce83
commit f93f18cd94
1 changed files with 6 additions and 0 deletions
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6
Documentation/accounting/taskstats-struct.txt
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@ -24,6 +24,8 @@ There are three different groups of fields in the struct taskstats:
4) Per-task and per-thread context switch count statistics
5) Time accounting for SMT machines
Future extension should add fields to the end of the taskstats struct, and
should not change the relative position of each field within the struct.
@ -164,4 +166,8 @@ struct taskstats {
__u64 nvcsw; /* Context voluntary switch counter */
__u64 nivcsw; /* Context involuntary switch counter */
5) Time accounting for SMT machines
__u64 ac_utimescaled; /* utime scaled on frequency etc */
__u64 ac_stimescaled; /* stime scaled on frequency etc */
__u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */
}