Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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#endif
69 OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"),
70 OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"),
71 OPT_END()
72 };
73
74#ifndef HAVE_LIBBABELTRACE_SUPPORT
75 pr_err("No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n");
76 return -1;
77#endif
78
79 argc = parse_options(argc, argv, options,
80 data_convert_usage, 0);
81 if (argc) {
82 usage_with_options(data_convert_usage, options);
83 return -1;
84 }
85
86 if (to_ctf) {
87#ifdef HAVE_LIBBABELTRACE_SUPPORT
88 return bt_convert__perf2ctf(input_name, to_ctf, &opts);
89#else
90 pr_err("The libbabeltrace support is not compiled in.\n");
91 return -1;
92#endif
93 }
94
95 return 0;
96}
97
98static struct data_cmd data_cmds[] = {
99 { "convert", "converts data file between formats", cmd_data_convert },
100 { .name = NULL, },
101};
102
103int cmd_data(int argc, const char **argv)
104{
105 struct data_cmd *cmd;
106 const char *cmdstr;
107
108 /* No command specified. */
109 if (argc < 2)
110 goto usage;
111
112 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage,
113 PARSE_OPT_STOP_AT_NON_OPTION);
114 if (argc < 1)
115 goto usage;
116
117 cmdstr = argv[0];
118
119 for_each_cmd(cmd) {
120 if (strcmp(cmd->name, cmdstr))
121 continue;
122
123 return cmd->fn(argc, argv);
124 }
125
126 pr_err("Unknown command: %s\n", cmdstr);
127usage:
128 print_usage();
129 return -1;
130}