diff options
| author | Matt Delco <delco@google.com> | 2026-03-26 17:30:31 +0000 |
|---|---|---|
| committer | Alexander Ziaee <ziaee@FreeBSD.org> | 2026-03-26 19:02:22 +0000 |
| commit | 7e7d4e711ff94d114c93fd522d4125aa9bd9f5cd (patch) | |
| tree | 75e6b4c11bb1f2eb8fc4d9caa02cc40399b4cc87 /lib/libdevstat/(developers-only) | |
| parent | c505fc1468849150f48484b225b6476d8316de57 (diff) | |
For performance and/or correct reasons some hypervisors allow
MPERF/APERF MSRs to be read but not written to. This change
modifies the handling of these MSRs to not rely on writes.
This patch is part of Google Cloud Engine (GCE) C4-LSSD turnup.
Sponsored by: Google
Tested by: NetApp (previous)
PR: 292808
MFC after: 3 days
Co-authored-by: Jim Mattson <jmattson@google.com>
Reviewed by: jrtc27, imp, kib, markj, olce, obiwac
Differential Revision: https://reviews.freebsd.org/D55996
Diffstat (limited to 'lib/libdevstat/(developers-only)')
0 files changed, 0 insertions, 0 deletions