Introducing perf_counts function, that returns
'struct perf_counts_values' pointer for given cpu.

Link: http://lkml.kernel.org/n/tip-qu64zmm5zbpbkuybusnkg...@git.kernel.org
Signed-off-by: Jiri Olsa <jo...@kernel.org>
---
 tools/perf/builtin-stat.c                  | 14 +++++++-------
 tools/perf/tests/openat-syscall-all-cpus.c |  4 ++--
 tools/perf/tests/openat-syscall.c          |  2 +-
 tools/perf/util/evsel.c                    |  6 +++---
 tools/perf/util/evsel.h                    |  6 ++++++
 5 files changed, 19 insertions(+), 13 deletions(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 90766538fd8f..7d1aebd5e1e4 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -316,7 +316,7 @@ static int read_cb(struct perf_evsel *evsel, int cpu, int 
thread __maybe_unused,
                if (!evsel->snapshot)
                        perf_evsel__compute_deltas(evsel, cpu, count);
                perf_counts_values__scale(count, scale, NULL);
-               evsel->counts->cpu[cpu] = *count;
+               *perf_counts(evsel->counts, cpu) = *count;
                if (aggr_mode == AGGR_NONE)
                        perf_stat__update_shadow_stats(evsel, count->values, 
cpu);
                break;
@@ -802,9 +802,9 @@ static void print_aggr(char *prefix)
                                s2 = aggr_get_id(evsel_list->cpus, cpu2);
                                if (s2 != id)
                                        continue;
-                               val += counter->counts->cpu[cpu].val;
-                               ena += counter->counts->cpu[cpu].ena;
-                               run += counter->counts->cpu[cpu].run;
+                               val += perf_counts(counter->counts, cpu)->val;
+                               ena += perf_counts(counter->counts, cpu)->ena;
+                               run += perf_counts(counter->counts, cpu)->run;
                                nr++;
                        }
                        if (prefix)
@@ -912,9 +912,9 @@ static void print_counter(struct perf_evsel *counter, char 
*prefix)
        int cpu;
 
        for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
-               val = counter->counts->cpu[cpu].val;
-               ena = counter->counts->cpu[cpu].ena;
-               run = counter->counts->cpu[cpu].run;
+               val = perf_counts(counter->counts, cpu)->val;
+               ena = perf_counts(counter->counts, cpu)->ena;
+               run = perf_counts(counter->counts, cpu)->run;
 
                if (prefix)
                        fprintf(output, "%s", prefix);
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c 
b/tools/perf/tests/openat-syscall-all-cpus.c
index 8801983a38f0..a89a39f282ea 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -97,9 +97,9 @@ int test__openat_syscall_event_on_all_cpus(void)
                }
 
                expected = nr_openat_calls + cpu;
-               if (evsel->counts->cpu[cpu].val != expected) {
+               if (perf_counts(evsel->counts, cpu)->val != expected) {
                        pr_debug("perf_evsel__read_on_cpu: expected to 
intercept %d calls on cpu %d, got %" PRIu64 "\n",
-                                expected, cpus->map[cpu], 
evsel->counts->cpu[cpu].val);
+                                expected, cpus->map[cpu], 
perf_counts(evsel->counts, cpu)->val);
                        err = -1;
                }
        }
diff --git a/tools/perf/tests/openat-syscall.c 
b/tools/perf/tests/openat-syscall.c
index bdfa1f446681..e86fc477a74f 100644
--- a/tools/perf/tests/openat-syscall.c
+++ b/tools/perf/tests/openat-syscall.c
@@ -44,7 +44,7 @@ int test__openat_syscall_event(void)
                goto out_close_fd;
        }
 
-       if (evsel->counts->cpu[0].val != nr_openat_calls) {
+       if (perf_counts(evsel->counts, 0)->val != nr_openat_calls) {
                pr_debug("perf_evsel__read_on_cpu: expected to intercept %d 
calls, got %" PRIu64 "\n",
                         nr_openat_calls, evsel->counts->cpu[0].val);
                goto out_close_fd;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index fde2416921cc..1a6bdd16ec37 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -945,8 +945,8 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, 
int cpu,
                tmp = evsel->prev_raw_counts->aggr;
                evsel->prev_raw_counts->aggr = *count;
        } else {
-               tmp = evsel->prev_raw_counts->cpu[cpu];
-               evsel->prev_raw_counts->cpu[cpu] = *count;
+               tmp = *perf_counts(evsel->prev_raw_counts, cpu);
+               *perf_counts(evsel->prev_raw_counts, cpu) = *count;
        }
 
        count->val = count->val - tmp.val;
@@ -1007,7 +1007,7 @@ int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
 
        perf_evsel__compute_deltas(evsel, cpu, &count);
        perf_counts_values__scale(&count, scale, NULL);
-       evsel->counts->cpu[cpu] = count;
+       *perf_counts(evsel->counts, cpu) = count;
        return 0;
 }
 
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index ef619645a08f..3037c24e1fea 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -134,6 +134,12 @@ void perf_evsel__compute_deltas(struct perf_evsel *evsel, 
int cpu,
 struct perf_counts *perf_counts__alloc(int ncpus);
 void perf_counts__free(struct perf_counts *counts);
 
+static inline struct perf_counts_values*
+perf_counts(struct perf_counts *counts, int cpu)
+{
+       return &counts->cpu[cpu];
+}
+
 int perf_evsel__object_config(size_t object_size,
                              int (*init)(struct perf_evsel *evsel),
                              void (*fini)(struct perf_evsel *evsel));
-- 
1.9.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to