1 #include <linux/compiler.h> 2 #include "builtin.h" 3 #include "perf.h" 4 #include "debug.h" 5 #include "parse-options.h" 6 #include "data-convert-bt.h" 7 8 typedef int (*data_cmd_fn_t)(int argc, const char **argv, const char *prefix); 9 10 struct data_cmd { 11 const char *name; 12 const char *summary; 13 data_cmd_fn_t fn; 14 }; 15 16 static struct data_cmd data_cmds[]; 17 18 #define for_each_cmd(cmd) \ 19 for (cmd = data_cmds; cmd && cmd->name; cmd++) 20 21 static const struct option data_options[] = { 22 OPT_END() 23 }; 24 25 static const char * const data_subcommands[] = { "convert", NULL }; 26 27 static const char *data_usage[] = { 28 "perf data [<common options>] <command> [<options>]", 29 NULL 30 }; 31 32 static void print_usage(void) 33 { 34 struct data_cmd *cmd; 35 36 printf("Usage:\n"); 37 printf("\t%s\n\n", data_usage[0]); 38 printf("\tAvailable commands:\n"); 39 40 for_each_cmd(cmd) { 41 printf("\t %s\t- %s\n", cmd->name, cmd->summary); 42 } 43 44 printf("\n"); 45 } 46 47 static const char * const data_convert_usage[] = { 48 "perf data convert [<options>]", 49 NULL 50 }; 51 52 static int cmd_data_convert(int argc, const char **argv, 53 const char *prefix __maybe_unused) 54 { 55 const char *to_ctf = NULL; 56 bool force = false; 57 const struct option options[] = { 58 OPT_INCR('v', "verbose", &verbose, "be more verbose"), 59 OPT_STRING('i', "input", &input_name, "file", "input file name"), 60 #ifdef HAVE_LIBBABELTRACE_SUPPORT 61 OPT_STRING(0, "to-ctf", &to_ctf, NULL, "Convert to CTF format"), 62 #endif 63 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), 64 OPT_END() 65 }; 66 67 #ifndef HAVE_LIBBABELTRACE_SUPPORT 68 pr_err("No conversion support compiled in.\n"); 69 return -1; 70 #endif 71 72 argc = parse_options(argc, argv, options, 73 data_convert_usage, 0); 74 if (argc) { 75 usage_with_options(data_convert_usage, options); 76 return -1; 77 } 78 79 if (to_ctf) { 80 #ifdef HAVE_LIBBABELTRACE_SUPPORT 81 return bt_convert__perf2ctf(input_name, to_ctf, force); 82 #else 83 pr_err("The libbabeltrace support is not compiled in.\n"); 84 return -1; 85 #endif 86 } 87 88 return 0; 89 } 90 91 static struct data_cmd data_cmds[] = { 92 { "convert", "converts data file between formats", cmd_data_convert }, 93 { .name = NULL, }, 94 }; 95 96 int cmd_data(int argc, const char **argv, const char *prefix) 97 { 98 struct data_cmd *cmd; 99 const char *cmdstr; 100 101 /* No command specified. */ 102 if (argc < 2) 103 goto usage; 104 105 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, 106 PARSE_OPT_STOP_AT_NON_OPTION); 107 if (argc < 1) 108 goto usage; 109 110 cmdstr = argv[0]; 111 112 for_each_cmd(cmd) { 113 if (strcmp(cmd->name, cmdstr)) 114 continue; 115 116 return cmd->fn(argc, argv, prefix); 117 } 118 119 pr_err("Unknown command: %s\n", cmdstr); 120 usage: 121 print_usage(); 122 return -1; 123 } 124