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-rw-r--r--tools/perf/builtin-stat.c114
1 files changed, 84 insertions, 30 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index ee0d565f83e3..dab98b50c9fe 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -138,6 +138,7 @@ static const char *post_cmd = NULL;
static bool sync_run = false;
static unsigned int interval = 0;
static unsigned int initial_delay = 0;
+static unsigned int unit_width = 4; /* strlen("unit") */
static bool forever = false;
static struct timespec ref_time;
static struct cpu_map *aggr_map;
@@ -461,17 +462,17 @@ static void print_interval(void)
if (num_print_interval == 0 && !csv_output) {
switch (aggr_mode) {
case AGGR_SOCKET:
- fprintf(output, "# time socket cpus counts events\n");
+ fprintf(output, "# time socket cpus counts %*s events\n", unit_width, "unit");
break;
case AGGR_CORE:
- fprintf(output, "# time core cpus counts events\n");
+ fprintf(output, "# time core cpus counts %*s events\n", unit_width, "unit");
break;
case AGGR_NONE:
- fprintf(output, "# time CPU counts events\n");
+ fprintf(output, "# time CPU counts %*s events\n", unit_width, "unit");
break;
case AGGR_GLOBAL:
default:
- fprintf(output, "# time counts events\n");
+ fprintf(output, "# time counts %*s events\n", unit_width, "unit");
}
}
@@ -516,6 +517,7 @@ static int __run_perf_stat(int argc, const char **argv)
unsigned long long t0, t1;
struct perf_evsel *counter;
struct timespec ts;
+ size_t l;
int status = 0;
const bool forks = (argc > 0);
@@ -565,6 +567,10 @@ static int __run_perf_stat(int argc, const char **argv)
return -1;
}
counter->supported = true;
+
+ l = strlen(counter->unit);
+ if (l > unit_width)
+ unit_width = l;
}
if (perf_evlist__apply_filters(evsel_list)) {
@@ -704,14 +710,25 @@ static void aggr_printout(struct perf_evsel *evsel, int id, int nr)
static void nsec_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
{
double msecs = avg / 1e6;
- const char *fmt = csv_output ? "%.6f%s%s" : "%18.6f%s%-25s";
+ const char *fmt_v, *fmt_n;
char name[25];
+ fmt_v = csv_output ? "%.6f%s" : "%18.6f%s";
+ fmt_n = csv_output ? "%s" : "%-25s";
+
aggr_printout(evsel, cpu, nr);
scnprintf(name, sizeof(name), "%s%s",
perf_evsel__name(evsel), csv_output ? "" : " (msec)");
- fprintf(output, fmt, msecs, csv_sep, name);
+
+ fprintf(output, fmt_v, msecs, csv_sep);
+
+ if (csv_output)
+ fprintf(output, "%s%s", evsel->unit, csv_sep);
+ else
+ fprintf(output, "%-*s%s", unit_width, evsel->unit, csv_sep);
+
+ fprintf(output, fmt_n, name);
if (evsel->cgrp)
fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
@@ -908,21 +925,31 @@ static void print_ll_cache_misses(int cpu,
static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
{
double total, ratio = 0.0, total2;
+ double sc = evsel->scale;
const char *fmt;
- if (csv_output)
- fmt = "%.0f%s%s";
- else if (big_num)
- fmt = "%'18.0f%s%-25s";
- else
- fmt = "%18.0f%s%-25s";
+ if (csv_output) {
+ fmt = sc != 1.0 ? "%.2f%s" : "%.0f%s";
+ } else {
+ if (big_num)
+ fmt = sc != 1.0 ? "%'18.2f%s" : "%'18.0f%s";
+ else
+ fmt = sc != 1.0 ? "%18.2f%s" : "%18.0f%s";
+ }
aggr_printout(evsel, cpu, nr);
if (aggr_mode == AGGR_GLOBAL)
cpu = 0;
- fprintf(output, fmt, avg, csv_sep, perf_evsel__name(evsel));
+ fprintf(output, fmt, avg, csv_sep);
+
+ if (evsel->unit)
+ fprintf(output, "%-*s%s",
+ csv_output ? 0 : unit_width,
+ evsel->unit, csv_sep);
+
+ fprintf(output, "%-*s", csv_output ? 0 : 25, perf_evsel__name(evsel));
if (evsel->cgrp)
fprintf(output, "%s%s", csv_sep, evsel->cgrp->name);
@@ -941,7 +968,10 @@ static void abs_printout(int cpu, int nr, struct perf_evsel *evsel, double avg)
if (total && avg) {
ratio = total / avg;
- fprintf(output, "\n # %5.2f stalled cycles per insn", ratio);
+ fprintf(output, "\n");
+ if (aggr_mode == AGGR_NONE)
+ fprintf(output, " ");
+ fprintf(output, " # %5.2f stalled cycles per insn", ratio);
}
} else if (perf_evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES) &&
@@ -1061,6 +1091,7 @@ static void print_aggr(char *prefix)
{
struct perf_evsel *counter;
int cpu, cpu2, s, s2, id, nr;
+ double uval;
u64 ena, run, val;
if (!(aggr_map || aggr_get_id))
@@ -1087,11 +1118,17 @@ static void print_aggr(char *prefix)
if (run == 0 || ena == 0) {
aggr_printout(counter, id, nr);
- fprintf(output, "%*s%s%*s",
+ fprintf(output, "%*s%s",
csv_output ? 0 : 18,
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
- csv_sep,
- csv_output ? 0 : -24,
+ csv_sep);
+
+ fprintf(output, "%-*s%s",
+ csv_output ? 0 : unit_width,
+ counter->unit, csv_sep);
+
+ fprintf(output, "%*s",
+ csv_output ? 0 : -25,
perf_evsel__name(counter));
if (counter->cgrp)
@@ -1101,11 +1138,12 @@ static void print_aggr(char *prefix)
fputc('\n', output);
continue;
}
+ uval = val * counter->scale;
if (nsec_counter(counter))
- nsec_printout(id, nr, counter, val);
+ nsec_printout(id, nr, counter, uval);
else
- abs_printout(id, nr, counter, val);
+ abs_printout(id, nr, counter, uval);
if (!csv_output) {
print_noise(counter, 1.0);
@@ -1128,16 +1166,21 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
struct perf_stat *ps = counter->priv;
double avg = avg_stats(&ps->res_stats[0]);
int scaled = counter->counts->scaled;
+ double uval;
if (prefix)
fprintf(output, "%s", prefix);
if (scaled == -1) {
- fprintf(output, "%*s%s%*s",
+ fprintf(output, "%*s%s",
csv_output ? 0 : 18,
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
- csv_sep,
- csv_output ? 0 : -24,
+ csv_sep);
+ fprintf(output, "%-*s%s",
+ csv_output ? 0 : unit_width,
+ counter->unit, csv_sep);
+ fprintf(output, "%*s",
+ csv_output ? 0 : -25,
perf_evsel__name(counter));
if (counter->cgrp)
@@ -1147,10 +1190,12 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
return;
}
+ uval = avg * counter->scale;
+
if (nsec_counter(counter))
- nsec_printout(-1, 0, counter, avg);
+ nsec_printout(-1, 0, counter, uval);
else
- abs_printout(-1, 0, counter, avg);
+ abs_printout(-1, 0, counter, uval);
print_noise(counter, avg);
@@ -1177,6 +1222,7 @@ static void print_counter_aggr(struct perf_evsel *counter, char *prefix)
static void print_counter(struct perf_evsel *counter, char *prefix)
{
u64 ena, run, val;
+ double uval;
int cpu;
for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
@@ -1188,14 +1234,20 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
fprintf(output, "%s", prefix);
if (run == 0 || ena == 0) {
- fprintf(output, "CPU%*d%s%*s%s%*s",
+ fprintf(output, "CPU%*d%s%*s%s",
csv_output ? 0 : -4,
perf_evsel__cpus(counter)->map[cpu], csv_sep,
csv_output ? 0 : 18,
counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
- csv_sep,
- csv_output ? 0 : -24,
- perf_evsel__name(counter));
+ csv_sep);
+
+ fprintf(output, "%-*s%s",
+ csv_output ? 0 : unit_width,
+ counter->unit, csv_sep);
+
+ fprintf(output, "%*s",
+ csv_output ? 0 : -25,
+ perf_evsel__name(counter));
if (counter->cgrp)
fprintf(output, "%s%s",
@@ -1205,10 +1257,12 @@ static void print_counter(struct perf_evsel *counter, char *prefix)
continue;
}
+ uval = val * counter->scale;
+
if (nsec_counter(counter))
- nsec_printout(cpu, 0, counter, val);
+ nsec_printout(cpu, 0, counter, uval);
else
- abs_printout(cpu, 0, counter, val);
+ abs_printout(cpu, 0, counter, uval);
if (!csv_output) {
print_noise(counter, 1.0);
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-17 08:00:30 +0000