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Commit 903a6f15 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
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perf c2c: Add report subcommand 



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: default avatarJiri 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 39bcd4a4

tools/perf/builtin-c2c.c

+65 −1
Original line number Diff line number Diff line
@@ -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);

	}