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