126 lines · c
1// SPDX-License-Identifier: GPL-2.02#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 11typedef int (*data_cmd_fn_t)(int argc, const char **argv);12 13struct data_cmd {14 const char *name;15 const char *summary;16 data_cmd_fn_t fn;17};18 19static struct data_cmd data_cmds[];20 21#define for_each_cmd(cmd) \22 for (cmd = data_cmds; cmd && cmd->name; cmd++)23 24static const char * const data_subcommands[] = { "convert", NULL };25 26static const char *data_usage[] = {27 "perf data convert [<options>]",28 NULL29};30 31const char *to_json;32const char *to_ctf;33struct perf_data_convert_opts opts = {34 .force = false,35 .all = false,36};37 38const 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_SUPPORT43 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#endif46 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 51static 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_SUPPORT66 if (!to_json && !to_ctf) {67 pr_err("You must specify one of --to-ctf or --to-json.\n");68 return -1;69 }70#else71 if (!to_json) {72 pr_err("You must specify --to-json.\n");73 return -1;74}75#endif76 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#else84 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#endif90 }91 92 return 0;93}94 95static struct data_cmd data_cmds[] = {96 { "convert", "converts data file between formats", cmd_data_convert },97 { .name = NULL, },98};99 100int 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