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| author | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 07:07:56 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-12-08 07:07:56 +0100 |
| commit | bef986502fa398b1785a3979b1aa17cd902d3527 (patch) | |
| tree | b59c1afe7b1dfcc001b86e54863f550d7ddc8c34 /Documentation/accounting/taskstats.txt | |
| parent | Input: handle errors from input_register_device in drivers/macintosh (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/iee... (diff) | |
| download | linux-bef986502fa398b1785a3979b1aa17cd902d3527.tar.xz linux-bef986502fa398b1785a3979b1aa17cd902d3527.zip | |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/usb/input/hid.h
Diffstat (limited to 'Documentation/accounting/taskstats.txt')
| -rw-r--r-- | Documentation/accounting/taskstats.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/accounting/taskstats.txt b/Documentation/accounting/taskstats.txt index 92ebf29e9041..ff06b738bb88 100644 --- a/Documentation/accounting/taskstats.txt +++ b/Documentation/accounting/taskstats.txt @@ -96,9 +96,9 @@ a) TASKSTATS_TYPE_AGGR_PID/TGID : attribute containing no payload but indicates a pid/tgid will be followed by some stats. b) TASKSTATS_TYPE_PID/TGID: attribute whose payload is the pid/tgid whose stats -is being returned. +are being returned. -c) TASKSTATS_TYPE_STATS: attribute with a struct taskstsats as payload. The +c) TASKSTATS_TYPE_STATS: attribute with a struct taskstats as payload. The same structure is used for both per-pid and per-tgid stats. 3. New message sent by kernel whenever a task exits. The payload consists of a @@ -122,12 +122,12 @@ of atomicity). However, maintaining per-process, in addition to per-task stats, within the kernel has space and time overheads. To address this, the taskstats code -accumalates each exiting task's statistics into a process-wide data structure. -When the last task of a process exits, the process level data accumalated also +accumulates each exiting task's statistics into a process-wide data structure. +When the last task of a process exits, the process level data accumulated also gets sent to userspace (along with the per-task data). When a user queries to get per-tgid data, the sum of all other live threads in -the group is added up and added to the accumalated total for previously exited +the group is added up and added to the accumulated total for previously exited threads of the same thread group. Extending taskstats |