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perf c2c: Add report subcommand

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Adding c2c report subcommand. It reads the perf.data and displays shared
data analysis.

This patch adds report basic wirings. It gets fully implemented in
following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Joe Mario <jmario@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1474558645-19956-13-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-09-22 17:36:40 +02:00 committed by Arnaldo Carvalho de Melo
parent 39bcd4a4e4
commit 903a6f15b9
1 changed files with 65 additions and 1 deletions
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66
tools/perf/builtin-c2c.c
View File

@ -5,12 +5,74 @@
#include "builtin.h"
#include <subcmd/parse-options.h>
#include "mem-events.h"
#include "session.h"
#include "hist.h"
#include "tool.h"
#include "data.h"
struct perf_c2c {
struct perf_tool tool;
};
static struct perf_c2c c2c;
static const char * const c2c_usage[] = {
"perf c2c",
"perf c2c {record|report}",
NULL
};
static const char * const __usage_report[] = {
"perf c2c report",
NULL
};
static const char * const *report_c2c_usage = __usage_report;
static int perf_c2c__report(int argc, const char **argv)
{
struct perf_session *session;
struct perf_data_file file = {
.mode = PERF_DATA_MODE_READ,
};
const struct option c2c_options[] = {
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
"file", "vmlinux pathname"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show counter open errors, etc)"),
OPT_STRING('i', "input", &input_name, "file",
"the input file to process"),
OPT_END()
};
int err = 0;
argc = parse_options(argc, argv, c2c_options, report_c2c_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (!argc)
usage_with_options(report_c2c_usage, c2c_options);
file.path = input_name;
session = perf_session__new(&file, 0, &c2c.tool);
if (session == NULL) {
pr_debug("No memory for session\n");
goto out;
}
if (symbol__init(&session->header.env) < 0)
goto out_session;
/* No pipe support at the moment. */
if (perf_data_file__is_pipe(session->file)) {
pr_debug("No pipe support at the moment.\n");
goto out_session;
}
out_session:
perf_session__delete(session);
out:
return err;
}
static int parse_record_events(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
@ -129,6 +191,8 @@ int cmd_c2c(int argc, const char **argv, const char *prefix __maybe_unused)
if (!strncmp(argv[0], "rec", 3)) {
return perf_c2c__record(argc, argv);
} else if (!strncmp(argv[0], "rep", 3)) {
return perf_c2c__report(argc, argv);
} else {
usage_with_options(c2c_usage, c2c_options);
}