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 "debug.h"
7 #include <subcmd/parse-options.h>
8 #include "data-convert.h"
9 #include "util/util.h"
10
11 typedef int (*data_cmd_fn_t)(int argc, const char **argv);
12
13 struct data_cmd {
14 const char *name;
15 const char *summary;
16 data_cmd_fn_t fn;
17 };
18
19 static struct data_cmd data_cmds[];
20
21 #define for_each_cmd(cmd) \
22 for (cmd = data_cmds; cmd && cmd->name; cmd++)
23
24 static const char * const data_subcommands[] = { "convert", NULL };
25
26 static const char *data_usage[] = {
27 "perf data convert [<options>]",
28 NULL
29 };
30
31 const char *to_json;
32 const char *to_ctf;
33 struct perf_data_convert_opts opts = {
34 .force = false,
35 .all = false,
36 };
37
38 const struct option data_options[] = {
39 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
40 OPT_STRING('i', "input", &input_name, "file", "input file name"),
41 OPT_STRING(0, "to-json", &to_json, NULL, "Convert to JSON format"),
42 #ifdef HAVE_LIBBABELTRACE_SUPPORT
43 OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"),
44 OPT_BOOLEAN(0, "tod", &opts.tod, "Convert time to wall clock time"),
45 #endif
46 OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"),
47 OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"),
48 OPT_END()
49 };
50
51 static int cmd_data_convert(int argc, const char **argv)
52 {
53
54 argc = parse_options(argc, argv, data_options,
55 data_usage, 0);
56 if (argc) {
57 usage_with_options(data_usage, data_options);
58 return -1;
59 }
60
61 if (to_json && to_ctf) {
62 pr_err("You cannot specify both --to-ctf and --to-json.\n");
63 return -1;
64 }
65 #ifdef HAVE_LIBBABELTRACE_SUPPORT
66 if (!to_json && !to_ctf) {
67 pr_err("You must specify one of --to-ctf or --to-json.\n");
68 return -1;
69 }
70 #else
71 if (!to_json) {
72 pr_err("You must specify --to-json.\n");
73 return -1;
74 }
75 #endif
76
77 if (to_json)
78 return bt_convert__perf2json(input_name, to_json, &opts);
79
80 if (to_ctf) {
81 #if defined(HAVE_LIBBABELTRACE_SUPPORT) && defined(HAVE_LIBTRACEEVENT)
82 return bt_convert__perf2ctf(input_name, to_ctf, &opts);
83 #else
84 pr_err("The libbabeltrace support is not compiled in. perf should be "
85 "compiled with environment variables LIBBABELTRACE=1 and "
86 "LIBBABELTRACE_DIR=/path/to/libbabeltrace/.\n"
87 "Check also if libbtraceevent devel files are available.\n");
88 return -1;
89 #endif
90 }
91
92 return 0;
93 }
94
95 static struct data_cmd data_cmds[] = {
96 { "convert", "converts data file between formats", cmd_data_convert },
97 { .name = NULL, },
98 };
99
100 int cmd_data(int argc, const char **argv)
101 {
102 struct data_cmd *cmd;
103 const char *cmdstr;
104
105 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage,
106 PARSE_OPT_STOP_AT_NON_OPTION);
107
108 if (!argc) {
109 usage_with_options(data_usage, data_options);
110 return -1;
111 }
112
113 cmdstr = argv[0];
114
115 for_each_cmd(cmd) {
116 if (strcmp(cmd->name, cmdstr))
117 continue;
118
119 return cmd->fn(argc, argv);
120 }
121
122 pr_err("Unknown command: %s\n", cmdstr);
123 usage_with_options(data_usage, data_options);
124 return -1;
125 }
126
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