diff options
| author | Rik van Riel <[email protected]> | 2011-02-01 09:53:28 -0500 |
|---|---|---|
| committer | Marcelo Tosatti <[email protected]> | 2011-03-17 13:08:29 -0300 |
| commit | 217ece6129f2d3b4fdd18d9e79be9e43d8d14a42 (patch) | |
| tree | b2bbd81042f48e862e0c0b8743edc932102640bb /tools/perf/scripts/python/syscall-counts.py | |
| parent | 34bb10b79de7df118de832f6832efb630e646577 (diff) | |
KVM: use yield_to instead of sleep in kvm_vcpu_on_spin
Instead of sleeping in kvm_vcpu_on_spin, which can cause gigantic
slowdowns of certain workloads, we instead use yield_to to get
another VCPU in the same KVM guest to run sooner.
This seems to give a 10-15% speedup in certain workloads.
Signed-off-by: Rik van Riel <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>
Signed-off-by: Avi Kivity <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions