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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2021-06-10 10:01:07 +0800 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-06-10 09:06:13 +0200 |
| commit | 74eb87a0f9eb8c81264f2eb1b13d578c951b7533 (patch) | |
| tree | 78a730540186487be202349c134eab7f317b781e /drivers/scsi/libsas/sas_task.c | |
| 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>
Diffstat (limited to 'drivers/scsi/libsas/sas_task.c')
0 files changed, 0 insertions, 0 deletions