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perf stat report: Add report command

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Adding 'perf stat report' command support. ATM it only processes attr
events and display nothing.

Reported-by: Kan Liang <kan.liang@intel.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1446734469-11352-12-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-11-05 15:40:55 +01:00
committed by Arnaldo Carvalho de Melo
parent 7b60a7e3a6
commit ba6039b6c8
2 changed files with 69 additions and 4 deletions
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61
tools/perf/builtin-stat.c
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@@ -60,6 +60,8 @@
#include "util/thread_map.h"
#include "util/counts.h"
#include "util/session.h"
#include "util/tool.h"
#include "asm/bug.h"
#include <stdlib.h>
#include <sys/prctl.h>
@@ -132,6 +134,7 @@ struct perf_stat {
struct perf_data_file file;
struct perf_session *session;
u64 bytes_written;
struct perf_tool tool;
};
static struct perf_stat perf_stat;
@@ -1041,8 +1044,8 @@ static void print_header(int argc, const char **argv)
else if (target.cpu_list)
fprintf(output, "\'CPU(s) %s", target.cpu_list);
else if (!target__has_task(&target)) {
fprintf(output, "\'%s", argv[0]);
for (i = 1; i < argc; i++)
fprintf(output, "\'%s", argv ? argv[0] : "pipe");
for (i = 1; argv && (i < argc); i++)
fprintf(output, " %s", argv[i]);
} else if (target.pid)
fprintf(output, "process id \'%s", target.pid);
@@ -1527,6 +1530,55 @@ static int __cmd_record(int argc, const char **argv)
return argc;
}
static const char * const report_usage[] = {
"perf stat report [<options>]",
NULL,
};
static struct perf_stat perf_stat = {
.tool = {
.attr = perf_event__process_attr,
},
};
static int __cmd_report(int argc, const char **argv)
{
struct perf_session *session;
const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_END()
};
struct stat st;
int ret;
argc = parse_options(argc, argv, options, report_usage, 0);
if (!input_name || !strlen(input_name)) {
if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
input_name = "-";
else
input_name = "perf.data";
}
perf_stat.file.path = input_name;
perf_stat.file.mode = PERF_DATA_MODE_READ;
session = perf_session__new(&perf_stat.file, false, &perf_stat.tool);
if (session == NULL)
return -1;
perf_stat.session = session;
stat_config.output = stderr;
evsel_list = session->evlist;
ret = perf_session__process_events(session);
if (ret)
return ret;
perf_session__delete(session);
return 0;
}
int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
{
const char * const stat_usage[] = {
@@ -1537,7 +1589,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
const char *mode;
FILE *output = stderr;
unsigned int interval;
const char * const stat_subcommands[] = { "record" };
const char * const stat_subcommands[] = { "record", "report" };
setlocale(LC_ALL, "");
@@ -1553,7 +1605,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused)
argc = __cmd_record(argc, argv);
if (argc < 0)
return -1;
}
} else if (argc && !strncmp(argv[0], "rep", 3))
return __cmd_report(argc, argv);
interval = stat_config.interval;