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-rw-r--r--arch/x86/events/amd/ibs.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c
index e20caa5cf02f..d883694e0fd4 100644
--- a/arch/x86/events/amd/ibs.c
+++ b/arch/x86/events/amd/ibs.c
@@ -955,6 +955,7 @@ static void perf_ibs_parse_ld_st_data(__u64 sample_type,
{
union ibs_op_data3 op_data3;
union ibs_op_data2 op_data2;
+ union ibs_op_data op_data;
data->data_src.val = PERF_MEM_NA;
op_data3.val = ibs_data->regs[ibs_op_msr_idx(MSR_AMD64_IBSOPDATA3)];
@@ -970,6 +971,19 @@ static void perf_ibs_parse_ld_st_data(__u64 sample_type,
perf_ibs_get_data_src(ibs_data, data, &op_data2, &op_data3);
data->sample_flags |= PERF_SAMPLE_DATA_SRC;
}
+
+ if (sample_type & PERF_SAMPLE_WEIGHT_TYPE && op_data3.dc_miss &&
+ data->data_src.mem_op == PERF_MEM_OP_LOAD) {
+ op_data.val = ibs_data->regs[ibs_op_msr_idx(MSR_AMD64_IBSOPDATA)];
+
+ if (sample_type & PERF_SAMPLE_WEIGHT_STRUCT) {
+ data->weight.var1_dw = op_data3.dc_miss_lat;
+ data->weight.var2_w = op_data.tag_to_ret_ctr;
+ } else if (sample_type & PERF_SAMPLE_WEIGHT) {
+ data->weight.full = op_data3.dc_miss_lat;
+ }
+ data->sample_flags |= PERF_SAMPLE_WEIGHT_TYPE;
+ }
}
static int perf_ibs_get_offset_max(struct perf_ibs *perf_ibs, u64 sample_type,
@@ -977,7 +991,8 @@ 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_DATA_SRC ||
+ sample_type & PERF_SAMPLE_WEIGHT_TYPE)))
return perf_ibs->offset_max;
else if (check_rip)
return 3;