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 #include "data-convert-bt.h" 11 12 typedef int (*data_cmd_fn_t)(int argc, const char **argv); 13 14 struct data_cmd { 15 const char *name; 16 const char *summary; 17 data_cmd_fn_t fn; 18 }; 19 20 static struct data_cmd data_cmds[]; 21 22 #define for_each_cmd(cmd) \ 23 for (cmd = data_cmds; cmd && cmd->name; cmd++) 24 25 static const struct option data_options[] = { 26 OPT_END() 27 }; 28 29 static const char * const data_subcommands[] = { "convert", NULL }; 30 31 static const char *data_usage[] = { 32 "perf data [<common options>] <command> [<options>]", 33 NULL 34 }; 35 36 static void print_usage(void) 37 { 38 struct data_cmd *cmd; 39 40 printf("Usage:\n"); 41 printf("\t%s\n\n", data_usage[0]); 42 printf("\tAvailable commands:\n"); 43 44 for_each_cmd(cmd) { 45 printf("\t %s\t- %s\n", cmd->name, cmd->summary); 46 } 47 48 printf("\n"); 49 } 50 51 static const char * const data_convert_usage[] = { 52 "perf data convert [<options>]", 53 NULL 54 }; 55 56 static int cmd_data_convert(int argc, const char **argv) 57 { 58 const char *to_ctf = NULL; 59 struct perf_data_convert_opts opts = { 60 .force = false, 61 .all = false, 62 }; 63 const struct option options[] = { 64 OPT_INCR('v', "verbose", &verbose, "be more verbose"), 65 OPT_STRING('i', "input", &input_name, "file", "input file name"), 66 #ifdef HAVE_LIBBABELTRACE_SUPPORT 67 OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"), 68 #endif 69 OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), 70 OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), 71 OPT_END() 72 }; 73 74 #ifndef HAVE_LIBBABELTRACE_SUPPORT 75 pr_err("No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n"); 76 return -1; 77 #endif 78 79 argc = parse_options(argc, argv, options, 80 data_convert_usage, 0); 81 if (argc) { 82 usage_with_options(data_convert_usage, options); 83 return -1; 84 } 85 86 if (to_ctf) { 87 #ifdef HAVE_LIBBABELTRACE_SUPPORT 88 return bt_convert__perf2ctf(input_name, to_ctf, &opts); 89 #else 90 pr_err("The libbabeltrace support is not compiled in.\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 /* No command specified. */ 109 if (argc < 2) 110 goto usage; 111 112 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, 113 PARSE_OPT_STOP_AT_NON_OPTION); 114 if (argc < 1) 115 goto usage; 116 117 cmdstr = argv[0]; 118 119 for_each_cmd(cmd) { 120 if (strcmp(cmd->name, cmdstr)) 121 continue; 122 123 return cmd->fn(argc, argv); 124 } 125 126 pr_err("Unknown command: %s\n", cmdstr); 127 usage: 128 print_usage(); 129 return -1; 130 } 131