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 const char *to_json; 32 const char *to_ctf; 33 struct perf_data_convert_opts opts = { 34 .force = false, 35 .all = false, 36 .time_str = NULL, 37 }; 38 39 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 #ifdef HAVE_LIBBABELTRACE_SUPPORT 44 OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"), 45 OPT_BOOLEAN(0, "tod", &opts.tod, "Convert time to wall clock time"), 46 #endif 47 OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), 48 OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), 49 OPT_STRING(0, "time", &opts.time_str, "str", 50 "Time span of interest (start,stop)"), 51 OPT_END() 52 }; 53 54 static int cmd_data_convert(int argc, const char **argv) 55 { 56 57 argc = parse_options(argc, argv, data_options, 58 data_usage, 0); 59 if (argc) { 60 usage_with_options(data_usage, data_options); 61 return -1; 62 } 63 64 if (to_json && to_ctf) { 65 pr_err("You cannot specify both --to-ctf and --to-json.\n"); 66 return -1; 67 } 68 #ifdef HAVE_LIBBABELTRACE_SUPPORT 69 if (!to_json && !to_ctf) { 70 pr_err("You must specify one of --to-ctf or --to-json.\n"); 71 return -1; 72 } 73 #else 74 if (!to_json) { 75 pr_err("You must specify --to-json.\n"); 76 return -1; 77 } 78 #endif 79 80 if (to_json) 81 return bt_convert__perf2json(input_name, to_json, &opts); 82 83 if (to_ctf) { 84 #if defined(HAVE_LIBBABELTRACE_SUPPORT) && defined(HAVE_LIBTRACEEVENT) 85 return bt_convert__perf2ctf(input_name, to_ctf, &opts); 86 #else 87 pr_err("The libbabeltrace support is not compiled in. perf should be " 88 "compiled with environment variables LIBBABELTRACE=1 and " 89 "LIBBABELTRACE_DIR=/path/to/libbabeltrace/.\n" 90 "Check also if libbtraceevent devel files are available.\n"); 91 return -1; 92 #endif 93 } 94 95 return 0; 96 } 97 98 static struct data_cmd data_cmds[] = { 99 { "convert", "converts data file between formats", cmd_data_convert }, 100 { .name = NULL, }, 101 }; 102 103 int cmd_data(int argc, const char **argv) 104 { 105 struct data_cmd *cmd; 106 const char *cmdstr; 107 108 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, 109 PARSE_OPT_STOP_AT_NON_OPTION); 110 111 if (!argc) { 112 usage_with_options(data_usage, data_options); 113 return -1; 114 } 115 116 cmdstr = argv[0]; 117 118 for_each_cmd(cmd) { 119 if (strcmp(cmd->name, cmdstr)) 120 continue; 121 122 return cmd->fn(argc, argv); 123 } 124 125 pr_err("Unknown command: %s\n", cmdstr); 126 usage_with_options(data_usage, data_options); 127 return -1; 128 } 129