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Subject[PATCH 12/57] perf c2c: Add report subcommand
Date
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.

Link: http://lkml.kernel.org/n/tip-8smklfkveeyv1pahfxv2re44@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-c2c.c | 66 +++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 65 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 58924c67f818..3fac3a294bdd 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -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);
}
--
2.7.4
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