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 OPT_BOOLEAN(0, "tod", &opts.tod, "Convert time to wall clock time"), 69 #endif 70 OPT_BOOLEAN('f', "force", &opts.force, "don't complain, do it"), 71 OPT_BOOLEAN(0, "all", &opts.all, "Convert all events"), 72 OPT_END() 73 }; 74 75 #ifndef HAVE_LIBBABELTRACE_SUPPORT 76 pr_err("No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n"); 77 return -1; 78 #endif 79 80 argc = parse_options(argc, argv, options, 81 data_convert_usage, 0); 82 if (argc) { 83 usage_with_options(data_convert_usage, options); 84 return -1; 85 } 86 87 if (to_ctf) { 88 #ifdef HAVE_LIBBABELTRACE_SUPPORT 89 return bt_convert__perf2ctf(input_name, to_ctf, &opts); 90 #else 91 pr_err("The libbabeltrace support is not compiled in.\n"); 92 return -1; 93 #endif 94 } 95 96 return 0; 97 } 98 99 static struct data_cmd data_cmds[] = { 100 { "convert", "converts data file between formats", cmd_data_convert }, 101 { .name = NULL, }, 102 }; 103 104 int cmd_data(int argc, const char **argv) 105 { 106 struct data_cmd *cmd; 107 const char *cmdstr; 108 109 /* No command specified. */ 110 if (argc < 2) 111 goto usage; 112 113 argc = parse_options_subcommand(argc, argv, data_options, data_subcommands, data_usage, 114 PARSE_OPT_STOP_AT_NON_OPTION); 115 if (argc < 1) 116 goto usage; 117 118 cmdstr = argv[0]; 119 120 for_each_cmd(cmd) { 121 if (strcmp(cmd->name, cmdstr)) 122 continue; 123 124 return cmd->fn(argc, argv); 125 } 126 127 pr_err("Unknown command: %s\n", cmdstr); 128 usage: 129 print_usage(); 130 return -1; 131 } 132