142 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			142 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include <dlfcn.h>
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| #include <signal.h>
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| #include <unistd.h>
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| 
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| #include <subcmd/pager.h>
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| #include "../util/debug.h"
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| #include "../util/hist.h"
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| #include "ui.h"
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| 
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| struct mutex ui__lock;
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| void *perf_gtk_handle;
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| int use_browser = -1;
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| 
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| #define PERF_GTK_DSO "libperf-gtk.so"
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| 
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| #ifdef HAVE_GTK2_SUPPORT
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| 
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| static int setup_gtk_browser(void)
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| {
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| 	int (*perf_ui_init)(void);
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| 
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| 	if (perf_gtk_handle)
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| 		return 0;
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| 
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| 	perf_gtk_handle = dlopen(PERF_GTK_DSO, RTLD_LAZY);
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| 	if (perf_gtk_handle == NULL) {
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| 		char buf[PATH_MAX];
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| 		scnprintf(buf, sizeof(buf), "%s/%s", LIBDIR, PERF_GTK_DSO);
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| 		perf_gtk_handle = dlopen(buf, RTLD_LAZY);
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| 	}
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| 	if (perf_gtk_handle == NULL)
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| 		return -1;
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| 
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| 	perf_ui_init = dlsym(perf_gtk_handle, "perf_gtk__init");
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| 	if (perf_ui_init == NULL)
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| 		goto out_close;
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| 
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| 	if (perf_ui_init() == 0)
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| 		return 0;
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| 
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| out_close:
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| 	dlclose(perf_gtk_handle);
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| 	return -1;
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| }
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| 
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| static void exit_gtk_browser(bool wait_for_ok)
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| {
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| 	void (*perf_ui_exit)(bool);
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| 
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| 	if (perf_gtk_handle == NULL)
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| 		return;
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| 
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| 	perf_ui_exit = dlsym(perf_gtk_handle, "perf_gtk__exit");
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| 	if (perf_ui_exit == NULL)
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| 		goto out_close;
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| 
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| 	perf_ui_exit(wait_for_ok);
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| 
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| out_close:
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| 	dlclose(perf_gtk_handle);
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| 
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| 	perf_gtk_handle = NULL;
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| }
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| #else
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| static inline int setup_gtk_browser(void) { return -1; }
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| static inline void exit_gtk_browser(bool wait_for_ok __maybe_unused) {}
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| #endif
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| 
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| int stdio__config_color(const struct option *opt __maybe_unused,
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| 			const char *mode, int unset __maybe_unused)
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| {
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| 	perf_use_color_default = perf_config_colorbool("color.ui", mode, -1);
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| 	return 0;
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| }
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| 
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| void setup_browser(bool fallback_to_pager)
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| {
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| 	mutex_init(&ui__lock);
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| 	if (use_browser < 2 && (!isatty(1) || dump_trace))
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| 		use_browser = 0;
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| 
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| 	/* default to TUI */
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| 	if (use_browser < 0)
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| 		use_browser = 1;
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| 
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| 	switch (use_browser) {
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| 	case 2:
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| 		if (setup_gtk_browser() == 0)
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| 			break;
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| 		printf("GTK browser requested but could not find %s\n",
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| 		       PERF_GTK_DSO);
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| 		sleep(1);
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| 		use_browser = 1;
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| 		/* fall through */
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| 	case 1:
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| 		if (ui__init() == 0)
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| 			break;
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| 		/* fall through */
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| 	default:
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| 		use_browser = 0;
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| 		if (fallback_to_pager)
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| 			setup_pager();
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| 		break;
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| 	}
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| }
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| 
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| void exit_browser(bool wait_for_ok)
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| {
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| 	switch (use_browser) {
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| 	case 2:
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| 		exit_gtk_browser(wait_for_ok);
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| 		break;
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| 
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| 	case 1:
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| 		ui__exit(wait_for_ok);
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| 		break;
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| 
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| 	default:
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| 		break;
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| 	}
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| 	mutex_destroy(&ui__lock);
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| }
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| 
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| void pthread__block_sigwinch(void)
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| {
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| 	sigset_t set;
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| 
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| 	sigemptyset(&set);
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| 	sigaddset(&set, SIGWINCH);
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| 	pthread_sigmask(SIG_BLOCK, &set, NULL);
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| }
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| 
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| void pthread__unblock_sigwinch(void)
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| {
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| 	sigset_t set;
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| 
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| 	sigemptyset(&set);
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| 	sigaddset(&set, SIGWINCH);
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| 	pthread_sigmask(SIG_UNBLOCK, &set, NULL);
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| }
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