Commit 5b26af6d authored by Ravi Bangoria's avatar Ravi Bangoria Committed by Peter Zijlstra

perf/x86/amd: Support PERF_SAMPLE_PHY_ADDR

IBS_DC_PHYSADDR provides the physical data address for the tagged load/
store operation. Populate perf sample physical address using it.
Signed-off-by: default avatarRavi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220928095805.596-7-ravi.bangoria@amd.com
parent cb2bb85f
......@@ -989,6 +989,11 @@ static void perf_ibs_parse_ld_st_data(__u64 sample_type,
data->addr = ibs_data->regs[ibs_op_msr_idx(MSR_AMD64_IBSDCLINAD)];
data->sample_flags |= PERF_SAMPLE_ADDR;
}
if (sample_type & PERF_SAMPLE_PHYS_ADDR && op_data3.dc_phy_addr_valid) {
data->phys_addr = ibs_data->regs[ibs_op_msr_idx(MSR_AMD64_IBSDCPHYSAD)];
data->sample_flags |= PERF_SAMPLE_PHYS_ADDR;
}
}
static int perf_ibs_get_offset_max(struct perf_ibs *perf_ibs, u64 sample_type,
......@@ -998,7 +1003,8 @@ static int perf_ibs_get_offset_max(struct perf_ibs *perf_ibs, u64 sample_type,
(perf_ibs == &perf_ibs_op &&
(sample_type & PERF_SAMPLE_DATA_SRC ||
sample_type & PERF_SAMPLE_WEIGHT_TYPE ||
sample_type & PERF_SAMPLE_ADDR)))
sample_type & PERF_SAMPLE_ADDR ||
sample_type & PERF_SAMPLE_PHYS_ADDR)))
return perf_ibs->offset_max;
else if (check_rip)
return 3;
......
......@@ -7435,7 +7435,8 @@ void perf_prepare_sample(struct perf_event_header *header,
header->size += size;
}
if (sample_type & PERF_SAMPLE_PHYS_ADDR)
if (sample_type & PERF_SAMPLE_PHYS_ADDR &&
filtered_sample_type & PERF_SAMPLE_PHYS_ADDR)
data->phys_addr = perf_virt_to_phys(data->addr);
#ifdef CONFIG_CGROUP_PERF
......
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