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| author | Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> | 2012-07-18 19:07:46 +0530 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2012-07-23 13:01:52 +0300 |
| commit | 4c088493c8d07e4e27bad53a99dcfdc14cdf45f8 (patch) | |
| tree | b90cfa07e207bb938b6997ae62c774c0624b0dd6 /fs/char_dev.c | |
| parent | f2a743473194a1ad44a85f8b63aeef9d63e5bf47 (diff) | |
| download | blackbird-op-linux-4c088493c8d07e4e27bad53a99dcfdc14cdf45f8.tar.gz blackbird-op-linux-4c088493c8d07e4e27bad53a99dcfdc14cdf45f8.zip | |
KVM: Note down when cpu relax intercepted or pause loop exited
Noting pause loop exited vcpu or cpu relax intercepted helps in
filtering right candidate to yield. Wrong selection of vcpu;
i.e., a vcpu that just did a pl-exit or cpu relax intercepted may
contribute to performance degradation.
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Reviewed-by: Rik van Riel <riel@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> # on s390x
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'fs/char_dev.c')
0 files changed, 0 insertions, 0 deletions
