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