IOMMU/x86: add perf counters for page table splitting / coalescing
authorJan Beulich <jbeulich@suse.com>
Mon, 25 Jul 2022 13:42:33 +0000 (15:42 +0200)
committerJan Beulich <jbeulich@suse.com>
Mon, 25 Jul 2022 13:42:33 +0000 (15:42 +0200)
commite0a417ce62560edea7b0022e62014252c77ba8cb
treea40356471dd2243c5762a61c39f65370fd4be57e
parent3eb5c23542fabeeaff3c20a1fb1f6dddc2874890
IOMMU/x86: add perf counters for page table splitting / coalescing

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Kevin tian <kevin.tian@intel.com>
Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Paul Durrant <paul@xen.org>
xen/arch/x86/include/asm/perfc_defn.h
xen/drivers/passthrough/amd/iommu_map.c
xen/drivers/passthrough/vtd/iommu.c