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author | Keika Kobayashi <kobayashi.kk@ncos.nec.co.jp> | 2008-07-25 01:48:53 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-25 10:53:47 -0700 |
commit | 016ae219b920c4e606088761d3d6070cdf8ba706 (patch) | |
tree | 6bf9035016e8d9131a54cf6343e056a5dcdc74aa /Documentation | |
parent | 873b47717732c2f33a4b14de02571a4295a02f0c (diff) | |
download | linux-3.10-016ae219b920c4e606088761d3d6070cdf8ba706.tar.gz linux-3.10-016ae219b920c4e606088761d3d6070cdf8ba706.tar.bz2 linux-3.10-016ae219b920c4e606088761d3d6070cdf8ba706.zip |
per-task-delay-accounting: update taskstats for memory reclaim delay
Add members for memory reclaim delay to taskstats, and accumulate them in
__delayacct_add_tsk() .
Signed-off-by: Keika Kobayashi <kobayashi.kk@ncos.nec.co.jp>
Cc: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/accounting/taskstats-struct.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/accounting/taskstats-struct.txt b/Documentation/accounting/taskstats-struct.txt index cd784f46bf8..b988d110db5 100644 --- a/Documentation/accounting/taskstats-struct.txt +++ b/Documentation/accounting/taskstats-struct.txt @@ -26,6 +26,8 @@ There are three different groups of fields in the struct taskstats: 5) Time accounting for SMT machines +6) Extended delay accounting fields for memory reclaim + 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. @@ -170,4 +172,9 @@ struct taskstats { __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 */ + +6) Extended delay accounting fields for memory reclaim + /* Delay waiting for memory reclaim */ + __u64 freepages_count; + __u64 freepages_delay_total; } |