6  * This is the main hub from which the sub-commands (perf stat,
14 #include "util/run-command.h"
15 #include "util/parse-events.h"
19 	"perf [--version] [--help] COMMAND [ARGS]";
24 int use_browser = -1;
25 static int use_pager = -1;
35 	if (!prefixcmp(var, "pager.") && !strcmp(var + 6, c->cmd))  in pager_command_config()
36 		c->val = perf_config_bool(var, value);  in pager_command_config()
40 /* returns 0 for "no pager", 1 for "use pager", and -1 for "not specified" */
45 	c.val = -1;  in check_pager_config()
53 	if (!prefixcmp(var, "tui.") && !strcmp(var + 4, c->cmd))  in tui_command_config()
54 		c->val = perf_config_bool(var, value);  in tui_command_config()
58 /* returns 0 for "no tui", 1 for "use tui", and -1 for "not specified" */
63 	c.val = -1;  in check_tui_config()
88 		if (cmd[0] != '-')  in handle_options()
93 		 * commands can be written with "--" prepended  in handle_options()
96 		if (!strcmp(cmd, "--help") || !strcmp(cmd, "--version"))  in handle_options()
110 		} else if (!strcmp(cmd, "--html-path")) {  in handle_options()
113 		} else if (!strcmp(cmd, "-p") || !strcmp(cmd, "--paginate")) {  in handle_options()
115 		} else if (!strcmp(cmd, "--no-pager")) {  in handle_options()
119 		} else if (!strcmp(cmd, "--perf-dir")) {  in handle_options()
121 				fprintf(stderr, "No directory given for --perf-dir.\n");  in handle_options()
128 			(*argc)--;  in handle_options()
134 		} else if (!strcmp(cmd, "--work-tree")) {  in handle_options()
136 				fprintf(stderr, "No directory given for --work-tree.\n");  in handle_options()
143 			(*argc)--;  in handle_options()
148 		} else if (!strcmp(cmd, "--debugfs-dir")) {  in handle_options()
150 				fprintf(stderr, "No directory given for --debugfs-dir.\n");  in handle_options()
157 			(*argc)--;  in handle_options()
169 		(*argc)--;  in handle_options()
211 		memmove(new_argv - option_count, new_argv,  in handle_alias()
213 		new_argv -= option_count;  in handle_alias()
228 		*argcp += count - 1;  in handle_alias()
243  * require working tree to be present -- anything uses this needs
261 	if (p->option & RUN_SETUP)  in run_builtin()
264 	if (use_browser == -1)  in run_builtin()
265 		use_browser = check_tui_config(p->cmd);  in run_builtin()
267 	if (use_pager == -1 && p->option & RUN_SETUP)  in run_builtin()
268 		use_pager = check_pager_config(p->cmd);  in run_builtin()
269 	if (use_pager == -1 && p->option & USE_PAGER)  in run_builtin()
273 	status = p->fn(argc, argv, prefix);  in run_builtin()
279 	/* Somebody closed stdout? */  in run_builtin()
280 	if (fstat(fileno(stdout), &st))  in run_builtin()
287 	if (fflush(stdout))  in run_builtin()
289 	if (ferror(stdout))  in run_builtin()
291 	if (fclose(stdout))  in run_builtin()
300 		{ "buildid-cache", cmd_buildid_cache, 0 },  in handle_internal_command()
301 		{ "buildid-list", cmd_buildid_list, 0 },  in handle_internal_command()
327 		i = strlen(argv[0]) - strlen(ext);  in handle_internal_command()
335 	/* Turn "perf cmd --help" into "perf help cmd" */  in handle_internal_command()
336 	if (argc > 1 && !strcmp(argv[1], "--help")) {  in handle_internal_command()
343 		if (strcmp(p->cmd, cmd))  in handle_internal_command()
355 	strbuf_addf(&cmd, "perf-%s", argv[0]);  in execv_dashed_external()
371 	if (status != -ERR_RUN_COMMAND_EXEC) {  in execv_dashed_external()
374 		exit(-status);  in execv_dashed_external()
394 		/* It could be an alias -- this works around the insanity  in run_argv()
430 		cmd = "perf-help";  in main()
434 	 * "perf-xxxx" is the same as "perf xxxx", but we obviously:  in main()
436 	 *  - cannot take flags in between the "perf" and the "xxxx".  in main()
437 	 *  - cannot execute it externally (since it would just do  in main()
443 	if (!prefixcmp(cmd, "perf-")) {  in main()
452 	argc--;  in main()
458 		if (!prefixcmp(argv[0], "--"))  in main()
470 	 * We use PATH to find perf commands, but we prepend some higher  in main()
471 	 * precedence paths: the "--exec-path" option, the PERF_EXEC_PATH  in main()
493 				"'%s' is not a perf-command\n",  in main()