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-rw-r--r--tools/perf/builtin-stat.c106
1 files changed, 41 insertions, 65 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 096ccb25c11f..d097b5b47eb8 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -65,6 +65,7 @@
#include "util/tool.h"
#include "util/string2.h"
#include "util/metricgroup.h"
+#include "util/top.h"
#include "asm/bug.h"
#include <linux/time64.h>
@@ -144,6 +145,8 @@ static struct target target = {
typedef int (*aggr_get_id_t)(struct cpu_map *m, int cpu);
+#define METRIC_ONLY_LEN 20
+
static int run_count = 1;
static bool no_inherit = false;
static volatile pid_t child_pid = -1;
@@ -173,6 +176,7 @@ static struct cpu_map *aggr_map;
static aggr_get_id_t aggr_get_id;
static bool append_file;
static bool interval_count;
+static bool interval_clear;
static const char *output_name;
static int output_fd;
static int print_free_counters_hint;
@@ -180,6 +184,7 @@ static int print_mixed_hw_group_error;
static u64 *walltime_run;
static bool ru_display = false;
static struct rusage ru_data;
+static unsigned int metric_only_len = METRIC_ONLY_LEN;
struct perf_stat {
bool record;
@@ -291,18 +296,6 @@ static int create_perf_stat_counter(struct perf_evsel *evsel)
return perf_evsel__open_per_thread(evsel, evsel_list->threads);
}
-/*
- * Does the counter have nsecs as a unit?
- */
-static inline int nsec_counter(struct perf_evsel *evsel)
-{
- if (perf_evsel__match(evsel, SOFTWARE, SW_CPU_CLOCK) ||
- perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK))
- return 1;
-
- return 0;
-}
-
static int process_synthesized_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
@@ -967,8 +960,6 @@ static void print_metric_csv(void *ctx,
fprintf(out, "%s%s%s%s", csv_sep, vals, csv_sep, unit);
}
-#define METRIC_ONLY_LEN 20
-
/* Filter out some columns that don't work well in metrics only mode */
static bool valid_only_metric(const char *unit)
@@ -999,22 +990,20 @@ static void print_metric_only(void *ctx, const char *color, const char *fmt,
{
struct outstate *os = ctx;
FILE *out = os->fh;
- int n;
- char buf[1024];
- unsigned mlen = METRIC_ONLY_LEN;
+ char buf[1024], str[1024];
+ unsigned mlen = metric_only_len;
if (!valid_only_metric(unit))
return;
unit = fixunit(buf, os->evsel, unit);
- if (color)
- n = color_fprintf(out, color, fmt, val);
- else
- n = fprintf(out, fmt, val);
- if (n > METRIC_ONLY_LEN)
- n = METRIC_ONLY_LEN;
if (mlen < strlen(unit))
mlen = strlen(unit) + 1;
- fprintf(out, "%*s", mlen - n, "");
+
+ if (color)
+ mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
+
+ color_snprintf(str, sizeof(str), color ?: "", fmt, val);
+ fprintf(out, "%*s ", mlen, str);
}
static void print_metric_only_csv(void *ctx, const char *color __maybe_unused,
@@ -1054,35 +1043,7 @@ static void print_metric_header(void *ctx, const char *color __maybe_unused,
if (csv_output)
fprintf(os->fh, "%s%s", unit, csv_sep);
else
- fprintf(os->fh, "%-*s ", METRIC_ONLY_LEN, unit);
-}
-
-static void nsec_printout(int id, int nr, struct perf_evsel *evsel, double avg)
-{
- FILE *output = stat_config.output;
- double msecs = avg / NSEC_PER_MSEC;
- 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, id, nr);
-
- scnprintf(name, sizeof(name), "%s%s",
- perf_evsel__name(evsel), csv_output ? "" : " (msec)");
-
- 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);
+ fprintf(os->fh, "%*s ", metric_only_len, unit);
}
static int first_shadow_cpu(struct perf_evsel *evsel, int id)
@@ -1240,11 +1201,7 @@ static void printout(int id, int nr, struct perf_evsel *counter, double uval,
return;
}
- if (metric_only)
- /* nothing */;
- else if (nsec_counter(counter))
- nsec_printout(id, nr, counter, uval);
- else
+ if (!metric_only)
abs_printout(id, nr, counter, uval);
out.print_metric = pm;
@@ -1330,7 +1287,7 @@ static void collect_all_aliases(struct perf_evsel *counter,
alias->scale != counter->scale ||
alias->cgrp != counter->cgrp ||
strcmp(alias->unit, counter->unit) ||
- nsec_counter(alias) != nsec_counter(counter))
+ perf_evsel__is_clock(alias) != perf_evsel__is_clock(counter))
break;
alias->merged_stat = true;
cb(alias, data, false);
@@ -1704,9 +1661,12 @@ static void print_interval(char *prefix, struct timespec *ts)
FILE *output = stat_config.output;
static int num_print_interval;
+ if (interval_clear)
+ puts(CONSOLE_CLEAR);
+
sprintf(prefix, "%6lu.%09lu%s", ts->tv_sec, ts->tv_nsec, csv_sep);
- if (num_print_interval == 0 && !csv_output) {
+ if ((num_print_interval == 0 && !csv_output) || interval_clear) {
switch (stat_config.aggr_mode) {
case AGGR_SOCKET:
fprintf(output, "# time socket cpus");
@@ -1719,7 +1679,7 @@ static void print_interval(char *prefix, struct timespec *ts)
fprintf(output, " counts %*s events\n", unit_width, "unit");
break;
case AGGR_NONE:
- fprintf(output, "# time CPU");
+ fprintf(output, "# time CPU ");
if (!metric_only)
fprintf(output, " counts %*s events\n", unit_width, "unit");
break;
@@ -1738,7 +1698,7 @@ static void print_interval(char *prefix, struct timespec *ts)
}
}
- if (num_print_interval == 0 && metric_only)
+ if ((num_print_interval == 0 || interval_clear) && metric_only)
print_metric_headers(" ", true);
if (++num_print_interval == 25)
num_print_interval = 0;
@@ -2057,6 +2017,8 @@ static const struct option stat_options[] = {
"(overhead is possible for values <= 100ms)"),
OPT_INTEGER(0, "interval-count", &stat_config.times,
"print counts for fixed number of times"),
+ OPT_BOOLEAN(0, "interval-clear", &interval_clear,
+ "clear screen in between new interval"),
OPT_UINTEGER(0, "timeout", &stat_config.timeout,
"stop workload and print counts after a timeout period in ms (>= 10ms)"),
OPT_SET_UINT(0, "per-socket", &stat_config.aggr_mode,
@@ -2436,13 +2398,24 @@ static int add_default_attributes(void)
(PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) |
(PERF_COUNT_HW_CACHE_RESULT_MISS << 16) },
};
+ struct parse_events_error errinfo;
/* Set attrs if no event is selected and !null_run: */
if (null_run)
return 0;
if (transaction_run) {
- struct parse_events_error errinfo;
+ /* Handle -T as -M transaction. Once platform specific metrics
+ * support has been added to the json files, all archictures
+ * will use this approach. To determine transaction support
+ * on an architecture test for such a metric name.
+ */
+ if (metricgroup__has_metric("transaction")) {
+ struct option opt = { .value = &evsel_list };
+
+ return metricgroup__parse_groups(&opt, "transaction",
+ &metric_events);
+ }
if (pmu_have_event("cpu", "cycles-ct") &&
pmu_have_event("cpu", "el-start"))
@@ -2454,6 +2427,7 @@ static int add_default_attributes(void)
&errinfo);
if (err) {
fprintf(stderr, "Cannot set up transaction events\n");
+ parse_events_print_error(&errinfo, transaction_attrs);
return -1;
}
return 0;
@@ -2479,10 +2453,11 @@ static int add_default_attributes(void)
pmu_have_event("msr", "smi")) {
if (!force_metric_only)
metric_only = true;
- err = parse_events(evsel_list, smi_cost_attrs, NULL);
+ err = parse_events(evsel_list, smi_cost_attrs, &errinfo);
} else {
fprintf(stderr, "To measure SMI cost, it needs "
"msr/aperf/, msr/smi/ and cpu/cycles/ support\n");
+ parse_events_print_error(&errinfo, smi_cost_attrs);
return -1;
}
if (err) {
@@ -2517,12 +2492,13 @@ static int add_default_attributes(void)
if (topdown_attrs[0] && str) {
if (warn)
arch_topdown_group_warn();
- err = parse_events(evsel_list, str, NULL);
+ err = parse_events(evsel_list, str, &errinfo);
if (err) {
fprintf(stderr,
"Cannot set up top down events %s: %d\n",
str, err);
free(str);
+ parse_events_print_error(&errinfo, str);
return -1;
}
} else {
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-24 06:21:59 +0300