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authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>2008-07-04 09:59:39 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-07-04 10:40:06 -0700
commitf93f18cd94626108021c4e681f48d2d99bca5b90 (patch)
tree53874deb243f585160b300d6a99da479132c0455 /Documentation/accounting/taskstats-struct.txt
parent05946bce839b4fed5442dbfab77060fb75e051f3 (diff)
downloadlinux-f93f18cd94626108021c4e681f48d2d99bca5b90.tar.gz
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>
Diffstat (limited to 'Documentation/accounting/taskstats-struct.txt')
-rw-r--r--Documentation/accounting/taskstats-struct.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/accounting/taskstats-struct.txt b/Documentation/accounting/taskstats-struct.txt
index 8aa7529f825..cd784f46bf8 100644
--- a/Documentation/accounting/taskstats-struct.txt
+++ b/Documentation/accounting/taskstats-struct.txt
@@ -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 */
}