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-rw-r--r--arch/powerpc/perf/imc-pmu.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index 0edcfd0b491d..a45d694a5d5d 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -1288,11 +1288,30 @@ static int trace_imc_prepare_sample(struct trace_imc_data *mem,
header->size = sizeof(*header) + event->header_size;
header->misc = 0;
- if (is_kernel_addr(data->ip))
- header->misc |= PERF_RECORD_MISC_KERNEL;
- else
- header->misc |= PERF_RECORD_MISC_USER;
-
+ if (cpu_has_feature(CPU_FTR_ARCH_31)) {
+ switch (IMC_TRACE_RECORD_VAL_HVPR(mem->val)) {
+ case 0:/* when MSR HV and PR not set in the trace-record */
+ header->misc |= PERF_RECORD_MISC_GUEST_KERNEL;
+ break;
+ case 1: /* MSR HV is 0 and PR is 1 */
+ header->misc |= PERF_RECORD_MISC_GUEST_USER;
+ break;
+ case 2: /* MSR HV is 1 and PR is 0 */
+ header->misc |= PERF_RECORD_MISC_HYPERVISOR;
+ break;
+ case 3: /* MSR HV is 1 and PR is 1 */
+ header->misc |= PERF_RECORD_MISC_USER;
+ break;
+ default:
+ pr_info("IMC: Unable to set the flag based on MSR bits\n");
+ break;
+ }
+ } else {
+ if (is_kernel_addr(data->ip))
+ header->misc |= PERF_RECORD_MISC_KERNEL;
+ else
+ header->misc |= PERF_RECORD_MISC_USER;
+ }
perf_event_header__init_id(header, data, event);
return 0;