.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
                              PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
                              PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
-                                 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
+                             PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
+                             PERF_OUTPUT_PERIOD,
 
                .invalid_fields = PERF_OUTPUT_TRACE,
        },
                .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
                              PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
                              PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
-                                 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
+                             PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
+                             PERF_OUTPUT_PERIOD,
 
                .invalid_fields = PERF_OUTPUT_TRACE,
        },
                .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
                              PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
                              PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
-                                 PERF_OUTPUT_SYM | PERF_OUTPUT_DSO,
+                             PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
+                             PERF_OUTPUT_PERIOD,
 
                .invalid_fields = PERF_OUTPUT_TRACE,
        },