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 10 typedef int (*data_cmd_fn_t)(int argc, const char **argv); 11 12 struct data_cmd { 13 const char *name; 14 const char *summary; 15 data_cmd_fn_t fn; 16 }; 17 18 static struct data_cmd data_cmds[]; 19 20 #define for_each_cmd(cmd) \ 21 for (cmd = data_cmds; cmd && cmd->name; cmd++) 22 23 static const struct option data_options[] = { 24 OPT_END() 25 }; 26 27 static const char * const data_subcommands[] = { "convert", NULL }; 28 29 static const char *data_usage[] = { 30 "perf data [<common options>] <command> [<options>]", 31 NULL 32 }; 33 34 static 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 49 static const char * const data_convert_usage[] = { 50 "perf data convert [<options>]", 51 NULL 52 }; 53 54 static 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 96 static struct data_cmd data_cmds[] = { 97 { "convert", "converts data file between formats", cmd_data_convert }, 98 { .name = NULL, }, 99 }; 100 101 int 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); 125 usage: 126 print_usage(); 127 return -1; 128 } 129