- if (MATCH_EVENT(SOFTWARE, SW_TASK_CLOCK, counter))
- update_stats(&runtime_nsecs_stats, count[0]);
- if (MATCH_EVENT(HARDWARE, HW_CPU_CYCLES, counter))
- update_stats(&runtime_cycles_stats, count[0]);
- if (MATCH_EVENT(HARDWARE, HW_BRANCH_INSTRUCTIONS, counter))
- update_stats(&runtime_branches_stats, count[0]);
+ if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
+ update_stats(&runtime_nsecs_stats[0], count[0]);
+ if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
+ update_stats(&runtime_cycles_stats[0], count[0]);
+ if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
+ update_stats(&runtime_branches_stats[0], count[0]);
+
+ return 0;
+}
+
+/*
+ * Read out the results of a single counter:
+ * do not aggregate counts across CPUs in system-wide mode
+ */
+static int read_counter(struct perf_evsel *counter)
+{
+ u64 *count;
+ int cpu;
+
+ for (cpu = 0; cpu < cpus->nr; cpu++) {
+ if (__perf_evsel__read_on_cpu(counter, cpu, 0, scale) < 0)
+ return -1;
+
+ count = counter->counts->cpu[cpu].values;
+
+ if (perf_evsel__match(counter, SOFTWARE, SW_TASK_CLOCK))
+ update_stats(&runtime_nsecs_stats[cpu], count[0]);
+ if (perf_evsel__match(counter, HARDWARE, HW_CPU_CYCLES))
+ update_stats(&runtime_cycles_stats[cpu], count[0]);
+ if (perf_evsel__match(counter, HARDWARE, HW_BRANCH_INSTRUCTIONS))
+ update_stats(&runtime_branches_stats[cpu], count[0]);
+ }
+
+ return 0;