1// SPDX-License-Identifier: GPL-2.0
2#include <linux/compiler.h>
3#include <stdio.h>
4#include <string.h>
5#include "builtin.h"
6#include "perf.h"
7#include "debug.h"
8#include <subcmd/parse-options.h>
9#include "data-convert.h"
10#include "data-convert-bt.h"
11
12typedef int (*data_cmd_fn_t)(int argc, const char **argv);
13
14struct data_cmd {
15	const char	*name;
16	const char	*summary;
17	data_cmd_fn_t	fn;
18};
19
20static struct data_cmd data_cmds[];
21
22#define for_each_cmd(cmd) \
23	for (cmd = data_cmds; cmd && cmd->name; cmd++)
24
25static const struct option data_options[] = {
26	OPT_END()
27};
28
29static const char * const data_subcommands[] = { "convert", NULL };
30
31static const char *data_usage[] = {
32	"perf data [<common options>] <command> [<options>]",
33	NULL
34};
35
36static void print_usage(void)
37{
38	struct data_cmd *cmd;
39
40	printf("Usage:\n");
41	printf("\t%s\n\n", data_usage[0]);
42	printf("\tAvailable commands:\n");
43
44	for_each_cmd(cmd) {
45		printf("\t %s\t- %s\n", cmd->name, cmd->summary);
46	}
47
48	printf("\n");
49}
50
51static const char * const data_convert_usage[] = {
52	"perf data convert [<options>]",
53	NULL
54};
55
56static int cmd_data_convert(int argc, const char **argv)
57{
58	const char *to_ctf     = NULL;
59	struct perf_data_convert_opts opts = {
60		.force = false,
61		.all = false,
62	};
63	const struct option options[] = {
64		OPT_INCR('v', "verbose", &verbose, "be more verbose"),
65		OPT_STRING('i', "input", &input_name, "file", "input file name"),
66#ifdef HAVE_LIBBABELTRACE_SUPPORT
67		OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"),
68		OPT_BOOLEAN(0, "tod", &opts.tod, "Convert time to wall clock time"),
69#endif
70		OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"),
71		OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"),
72		OPT_END()
73	};
74
75#ifndef HAVE_LIBBABELTRACE_SUPPORT
76	pr_err("No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n");
77	return -1;
78#endif
79
80	argc = parse_options(argc, argv, options,
81			     data_convert_usage, 0);
82	if (argc) {
83		usage_with_options(data_convert_usage, options);
84		return -1;
85	}
86
87	if (to_ctf) {
88#ifdef HAVE_LIBBABELTRACE_SUPPORT
89		return bt_convert__perf2ctf(input_name, to_ctf, &opts);
90#else
91		pr_err("The libbabeltrace support is not compiled in.\n");
92		return -1;
93#endif
94	}
95
96	return 0;
97}
98
99static struct data_cmd data_cmds[] = {
100	{ "convert", "converts data file between formats", cmd_data_convert },
101	{ .name = NULL, },
102};
103
104int cmd_data(int argc, const char **argv)
105{
106	struct data_cmd *cmd;
107	const char *cmdstr;
108
109	/* No command specified. */
110	if (argc < 2)
111		goto usage;
112
113	argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage,
114			     PARSE_OPT_STOP_AT_NON_OPTION);
115	if (argc < 1)
116		goto usage;
117
118	cmdstr = argv[0];
119
120	for_each_cmd(cmd) {
121		if (strcmp(cmd->name, cmdstr))
122			continue;
123
124		return cmd->fn(argc, argv);
125	}
126
127	pr_err("Unknown command: %s\n", cmdstr);
128usage:
129	print_usage();
130	return -1;
131}
132