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 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 if (!to_json && !to_ctf) { 66 pr_err("You must specify one of --to-ctf or --to-json.\n"); 67 return -1; 68 } 69 70 if (to_json) 71 return bt_convert__perf2json(input_name, to_json, &opts); 72 73 if (to_ctf) { 74 #ifdef HAVE_LIBBABELTRACE_SUPPORT 75 return bt_convert__perf2ctf(input_name, to_ctf, &opts); 76 #else 77 pr_err("The libbabeltrace support is not compiled in. perf should be " 78 "compiled with environment variables LIBBABELTRACE=1 and " 79 "LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n"); 80 return -1; 81 #endif 82 } 83 84 return 0; 85 } 86 87 static struct data_cmd data_cmds[] = { 88 { "convert", "converts data file between formats", cmd_data_convert }, 89 { .name = NULL, }, 90 }; 91 92 int cmd_data(int argc, const char **argv) 93 { 94 struct data_cmd *cmd; 95 const char *cmdstr; 96 97 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, 98 PARSE_OPT_STOP_AT_NON_OPTION); 99 100 if (!argc) { 101 usage_with_options(data_usage, data_options); 102 return -1; 103 } 104 105 cmdstr = argv[0]; 106 107 for_each_cmd(cmd) { 108 if (strcmp(cmd->name, cmdstr)) 109 continue; 110 111 return cmd->fn(argc, argv); 112 } 113 114 pr_err("Unknown command: %s\n", cmdstr); 115 usage_with_options(data_usage, data_options); 116 return -1; 117 } 118