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perf/x86/amd: Support PERF_SAMPLE_ADDR

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IBS_DC_LINADDR provides the linear data address for the tagged load/
store operation. Populate perf sample address using it.

Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220928095805.596-6-ravi.bangoria@amd.com
This commit is contained in:
Ravi Bangoria 2022-09-28 15:27:55 +05:30 committed by Peter Zijlstra
parent 6b2ae4952e
commit cb2bb85f7e
1 changed files with 7 additions and 1 deletions
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8
arch/x86/events/amd/ibs.c
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@ -984,6 +984,11 @@ static void perf_ibs_parse_ld_st_data(__u64 sample_type,
}
data->sample_flags |= PERF_SAMPLE_WEIGHT_TYPE;
}
if (sample_type & PERF_SAMPLE_ADDR && op_data3.dc_lin_addr_valid) {
data->addr = ibs_data->regs[ibs_op_msr_idx(MSR_AMD64_IBSDCLINAD)];
data->sample_flags |= PERF_SAMPLE_ADDR;
}
}
static int perf_ibs_get_offset_max(struct perf_ibs *perf_ibs, u64 sample_type,
@ -992,7 +997,8 @@ static int perf_ibs_get_offset_max(struct perf_ibs *perf_ibs, u64 sample_type,
if (sample_type & PERF_SAMPLE_RAW ||
(perf_ibs == &perf_ibs_op &&
(sample_type & PERF_SAMPLE_DATA_SRC ||
sample_type & PERF_SAMPLE_WEIGHT_TYPE)))
sample_type & PERF_SAMPLE_WEIGHT_TYPE ||
sample_type & PERF_SAMPLE_ADDR)))
return perf_ibs->offset_max;
else if (check_rip)
return 3;