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| author |   Nicholas Piggin <npiggin@gmail.com> | 2022-09-02 18:53:13 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-09-04 22:39:59 +1000 |
| commit | a8933c8d55c37f4d5eb617b4bdb72b8888b88681 (patch) | |
| tree | 68767e46155e503ec7ae4a12c9e15999df5fc294 /tools/perf/scripts/python | |
| parent | selftests/powerpc: Skip 4PB test on 4K PAGE_SIZE systems (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 <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Link: https://lore.kernel.org/r/20220902085316.2071519-2-npiggin@gmail.com
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions