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-rw-r--r--tools/perf/builtin-report.c88
1 files changed, 55 insertions, 33 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1532ebde6c4b..4054eb1f98ac 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -47,9 +47,11 @@
#include <errno.h>
#include <inttypes.h>
#include <regex.h>
+#include "sane_ctype.h"
#include <signal.h>
#include <linux/bitmap.h>
#include <linux/stringify.h>
+#include <linux/time64.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
@@ -926,6 +928,43 @@ report_parse_callchain_opt(const struct option *opt, const char *arg, int unset)
return parse_callchain_report_opt(arg);
}
+static int
+parse_time_quantum(const struct option *opt, const char *arg,
+ int unset __maybe_unused)
+{
+ unsigned long *time_q = opt->value;
+ char *end;
+
+ *time_q = strtoul(arg, &end, 0);
+ if (end == arg)
+ goto parse_err;
+ if (*time_q == 0) {
+ pr_err("time quantum cannot be 0");
+ return -1;
+ }
+ while (isspace(*end))
+ end++;
+ if (*end == 0)
+ return 0;
+ if (!strcmp(end, "s")) {
+ *time_q *= NSEC_PER_SEC;
+ return 0;
+ }
+ if (!strcmp(end, "ms")) {
+ *time_q *= NSEC_PER_MSEC;
+ return 0;
+ }
+ if (!strcmp(end, "us")) {
+ *time_q *= NSEC_PER_USEC;
+ return 0;
+ }
+ if (!strcmp(end, "ns"))
+ return 0;
+parse_err:
+ pr_err("Cannot parse time quantum `%s'\n", arg);
+ return -1;
+}
+
int
report_parse_ignore_callees_opt(const struct option *opt __maybe_unused,
const char *arg, int unset __maybe_unused)
@@ -1044,10 +1083,9 @@ int cmd_report(int argc, const char **argv)
OPT_BOOLEAN(0, "header-only", &report.header_only,
"Show only data header."),
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
- "sort by key(s): pid, comm, dso, symbol, parent, cpu, srcline, ..."
- " Please refer the man page for the complete list."),
+ sort_help("sort by key(s):")),
OPT_STRING('F', "fields", &field_order, "key[,keys...]",
- "output field(s): overhead, period, sample plus all of sort keys"),
+ sort_help("output field(s): overhead period sample ")),
OPT_BOOLEAN(0, "show-cpu-utilization", &symbol_conf.show_cpu_utilization,
"Show sample percentage for different cpu modes"),
OPT_BOOLEAN_FLAG(0, "showcpuutilization", &symbol_conf.show_cpu_utilization,
@@ -1120,6 +1158,8 @@ int cmd_report(int argc, const char **argv)
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
"Enable kernel symbol demangling"),
OPT_BOOLEAN(0, "mem-mode", &report.mem_mode, "mem access profile"),
+ OPT_INTEGER(0, "samples", &symbol_conf.res_sample,
+ "Number of samples to save per histogram entry for individual browsing"),
OPT_CALLBACK(0, "percent-limit", &report, "percent",
"Don't show entries under that percent", parse_percent_limit),
OPT_CALLBACK(0, "percentage", NULL, "relative|absolute",
@@ -1147,6 +1187,10 @@ int cmd_report(int argc, const char **argv)
OPT_CALLBACK(0, "percent-type", &report.annotation_opts, "local-period",
"Set percent type local/global-period/hits",
annotate_parse_percent_type),
+ OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs, "Show times in nanosecs"),
+ OPT_CALLBACK(0, "time-quantum", &symbol_conf.time_quantum, "time (ms|us|ns|s)",
+ "Set time quantum for time sort key (default 100ms)",
+ parse_time_quantum),
OPT_END()
};
struct perf_data data = {
@@ -1375,36 +1419,13 @@ repeat:
if (symbol__init(&session->header.env) < 0)
goto error;
- report.ptime_range = perf_time__range_alloc(report.time_str,
- &report.range_size);
- if (!report.ptime_range) {
- ret = -ENOMEM;
- goto error;
- }
-
- if (perf_time__parse_str(report.ptime_range, report.time_str) != 0) {
- if (session->evlist->first_sample_time == 0 &&
- session->evlist->last_sample_time == 0) {
- pr_err("HINT: no first/last sample time found in perf data.\n"
- "Please use latest perf binary to execute 'perf record'\n"
- "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
- ret = -EINVAL;
- goto error;
- }
-
- report.range_num = perf_time__percent_parse_str(
- report.ptime_range, report.range_size,
- report.time_str,
- session->evlist->first_sample_time,
- session->evlist->last_sample_time);
-
- if (report.range_num < 0) {
- pr_err("Invalid time string\n");
- ret = -EINVAL;
+ if (report.time_str) {
+ ret = perf_time__parse_for_ranges(report.time_str, session,
+ &report.ptime_range,
+ &report.range_size,
+ &report.range_num);
+ if (ret < 0)
goto error;
- }
- } else {
- report.range_num = 1;
}
if (session->tevent.pevent &&
@@ -1426,7 +1447,8 @@ repeat:
ret = 0;
error:
- zfree(&report.ptime_range);
+ if (report.ptime_range)
+ zfree(&report.ptime_range);
perf_session__delete(session);
return ret;
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