vmstat: Various enhancements
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- v1 Latest3 patches 15 repliesIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/3 | vmstat: Make pageset processing optional in refresh_cpu_vm_statsmm/ | +26 | 0 replies | |
| 2/3 | vmstat: make vmstat_updater deferrable again and shut down on idleinclude/ kernel/ mm/ | +18 | 0 replies | |
| 3/3 | vmstat: Create our own workqueuemm/ | +8 | 15 replies |
Reviews trailers per patch
None of the 3 patches has a Reviewed-by or Acked-by.
| Patch | Christoph Lameter |
|---|---|
| 1/3 | Signed-of-by |
| 2/3 | |
| 3/3 |
Trailers given in replies are filled; those carried in the patches from earlier versions are outlined with dashes.
Cover letter [patch 0/3] vmstat: Various enhancements
This addresses a couple of issues that came up last week in the discussion about issues related to the blocking of the execution of vmstat updates.
1. It makes vmstat updates execution deferrable again so that no special tick is generated for vmstat execution. vmstat is quieted down when a processor enters idle mode. This means that no differentials exist anymore when a processor is in idle mode.
2. Create a separate workqueue so that the vmstat updater is not blocked by other work requeusts. This creates a new kernel thread <sigh> and avoids the issue of differentials not folded in a timely fashion.
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