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| author | Nicholas Piggin <[email protected]> | 2022-09-02 18:53:13 +1000 |
|---|---|---|
| committer | Michael Ellerman <[email protected]> | 2022-09-04 22:39:59 +1000 |
| commit | a8933c8d55c37f4d5eb617b4bdb72b8888b88681 (patch) | |
| tree | 68767e46155e503ec7ae4a12c9e15999df5fc294 /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | 501fe299826ead2cfa2046b5c244e36de254ec6a (diff) | |
powerpc/pseries: Add wait interval counter definitions to struct lppaca
The hypervisor exposes accumulated partition scheduling interval times
in the VPA (lppaca). These can be used to implement a simple stolen time
in the guest without complex and costly dtl scanning.
Signed-off-by: Nicholas Piggin <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Reviewed-by: Fabiano Rosas <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
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