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Diffstat (limited to 'Documentation/accounting/taskstats-struct.txt')
| -rw-r--r-- | Documentation/accounting/taskstats-struct.txt | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/accounting/taskstats-struct.txt b/Documentation/accounting/taskstats-struct.txt index 8aa7529f8258..e7512c061c15 100644 --- a/Documentation/accounting/taskstats-struct.txt +++ b/Documentation/accounting/taskstats-struct.txt @@ -6,7 +6,7 @@ This document contains an explanation of the struct taskstats fields. There are three different groups of fields in the struct taskstats: 1) Common and basic accounting fields - If CONFIG_TASKSTATS is set, the taskstats inteface is enabled and + If CONFIG_TASKSTATS is set, the taskstats interface is enabled and the common fields and basic accounting fields are collected for delivery at do_exit() of a task. 2) Delay accounting fields @@ -24,6 +24,10 @@ 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 + +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. @@ -164,4 +168,13 @@ 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 */ + +6) Extended delay accounting fields for memory reclaim + /* Delay waiting for memory reclaim */ + __u64 freepages_count; + __u64 freepages_delay_total; } |