On Thu, Jan 14, 2021 at 05:04:00PM +0800, Lu Baolu wrote: > This adds a new trace event to track the submissions of requests to the > invalidation queue. This event will provide the information like: > - IOMMU name > - Invalidation type > - Descriptor raw data > > A sample output like: > | qi_submit: iotlb_inv dmar1: 0x100e2 0x0 0x0 0x0 > | qi_submit: dev_tlb_inv dmar1: 0x1000000003 0x7ffffffffffff001 0x0 0x0 > | qi_submit: iotlb_inv dmar2: 0x800f2 0xf9a00005 0x0 0x0 > > This will be helpful for queued invalidation related debugging. > > Signed-off-by: Lu Baolu <baolu...@linux.intel.com> > --- > drivers/iommu/intel/dmar.c | 3 +++ > include/trace/events/intel_iommu.h | 37 ++++++++++++++++++++++++++++++ > 2 files changed, 40 insertions(+)
Applied, thanks.