| commit | 74eb87a0f9eb8c81264f2eb1b13d578c951b7533 | [log] [tgz] |
|---|---|---|
| author | Lu Baolu <baolu.lu@linux.intel.com> | Thu Jun 10 10:01:07 2021 +0800 |
| committer | Joerg Roedel <jroedel@suse.de> | Thu Jun 10 09:06:13 2021 +0200 |
| tree | 78a730540186487be202349c134eab7f317b781e | |
| parent | 456bb0b97f00fe8defba155c0a4c48d951635395 [diff] |
iommu/vt-d: Add cache invalidation latency sampling Queued invalidation execution time is performance critical and needs to be monitored. This adds code to sample the execution time of IOTLB/ devTLB/ICE cache invalidation. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Link: https://lore.kernel.org/r/20210520031531.712333-1-baolu.lu@linux.intel.com Link: https://lore.kernel.org/r/20210610020115.1637656-16-baolu.lu@linux.intel.com Signed-off-by: Joerg Roedel <jroedel@suse.de>