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 static const char *to_json; 32 static const char *to_ctf; 33 static struct perf_data_convert_opts opts = { 34 .force = false, 35 .all = false, 36 .time_str = NULL, 37 }; 38 39 static const struct option data_options[] = { 40 OPT_INCR('v', "verbose", &verbose, "be more verbose"), 41 OPT_STRING('i', "input", &input_name, "file", "input file name"), 42 OPT_STRING(0, "to-json", &to_json, NULL, "Convert to JSON format"), 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 OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), 46 OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), 47 OPT_STRING(0, "time", &opts.time_str, "str", 48 "Time span of interest (start,stop)"), 49 OPT_END() 50 }; 51 52 static int cmd_data_convert(int argc, const char **argv) 53 { 54 55 argc = parse_options(argc, argv, data_options, 56 data_usage, 0); 57 if (argc) { 58 usage_with_options(data_usage, data_options); 59 return -1; 60 } 61 62 if (to_json && to_ctf) { 63 pr_err("You cannot specify both --to-ctf and --to-json.\n"); 64 return -1; 65 } 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 71 if (to_json) 72 return bt_convert__perf2json(input_name, to_json, &opts); 73 74 if (to_ctf) { 75 #if defined(HAVE_BABELTRACE2_CTF_WRITER_SUPPORT) && defined(HAVE_LIBTRACEEVENT) 76 return bt_convert__perf2ctf(input_name, to_ctf, &opts); 77 #else 78 pr_err("The babeltrace2 ctf support is not compiled in. Ensure you have both\n" 79 "libbabeltrace2-dev[el] and libtraceevent-dev[el] installed or set\n" 80 "PKG_CONFIG_PATH to find a local installation of those libraries.\n"); 81 return -1; 82 #endif 83 } 84 85 return 0; 86 } 87 88 static struct data_cmd data_cmds[] = { 89 { "convert", "converts data file between formats", cmd_data_convert }, 90 { .name = NULL, }, 91 }; 92 93 int cmd_data(int argc, const char **argv) 94 { 95 struct data_cmd *cmd; 96 const char *cmdstr; 97 98 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, 99 PARSE_OPT_STOP_AT_NON_OPTION); 100 101 if (!argc) { 102 usage_with_options(data_usage, data_options); 103 return -1; 104 } 105 106 cmdstr = argv[0]; 107 108 for_each_cmd(cmd) { 109 if (strcmp(cmd->name, cmdstr)) 110 continue; 111 112 return cmd->fn(argc, argv); 113 } 114 115 pr_err("Unknown command: %s\n", cmdstr); 116 usage_with_options(data_usage, data_options); 117 return -1; 118 } 119