/* For general debugging purposes */ #include "../perf.h" #include <string.h>#include <stdarg.h>#include <stdio.h> #include "cache.h"#include "color.h"#include "event.h"#include "debug.h"#include "util.h"#include "target.h" #define NSECS_PER_SEC  1000000000ULL#define NSECS_PER_USEC 1000ULL int verbose;bool dump_trace = false, quiet = false;int debug_ordered_events; static int _eprintf(int level, int var, const char *fmt, va_list args){	int ret = 0; 	if (var >= level) {		if (use_browser >= 1)			ui_helpline__vshow(fmt, args);		else			ret = vfprintf(stderr, fmt, args);	} 	return ret;} int eprintf(int level, int var, const char *fmt, ...){	va_list args;	int ret; 	va_start(args, fmt);	ret = _eprintf(level, var, fmt, args);	va_end(args); 	return ret;} static int __eprintf_time(u64 t, const char *fmt, va_list args){	int ret = 0;	u64 secs, usecs, nsecs = t; 	secs   = nsecs / NSECS_PER_SEC;	nsecs -= secs  * NSECS_PER_SEC;	usecs  = nsecs / NSECS_PER_USEC; 	ret = fprintf(stderr, "[%13" PRIu64 ".%06" PRIu64 "] ",		      secs, usecs);	ret += vfprintf(stderr, fmt, args);	return ret;} int eprintf_time(int level, int var, u64 t, const char *fmt, ...){	int ret = 0;	va_list args; 	if (var >= level) {		va_start(args, fmt);		ret = __eprintf_time(t, fmt, args);		va_end(args);	} 	return ret;} /* * Overloading libtraceevent standard info print * function, display with -v in perf. */void pr_stat(const char *fmt, ...){	va_list args; 	va_start(args, fmt);	_eprintf(1, verbose, fmt, args);	va_end(args);	eprintf(1, verbose, "\n");} int dump_printf(const char *fmt, ...){	va_list args;	int ret = 0; 	if (dump_trace) {		va_start(args, fmt);		ret = vprintf(fmt, args);		va_end(args);	} 	return ret;} void trace_event(union perf_event *event){	unsigned char *raw_event = (void *)event;	const char *color = PERF_COLOR_BLUE;	int i, j; 	if (!dump_trace)		return; 	printf(".");	color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",		      event->header.size); 	for (i = 0; i < event->header.size; i++) {		if ((i & 15) == 0) {			printf(".");			color_fprintf(stdout, color, "  %04x: ", i);		} 		color_fprintf(stdout, color, " %02x", raw_event[i]); 		if (((i & 15) == 15) || i == event->header.size-1) {			color_fprintf(stdout, color, "  ");			for (j = 0; j < 15-(i & 15); j++)				color_fprintf(stdout, color, "   ");			for (j = i & ~15; j <= i; j++) {				color_fprintf(stdout, color, "%c",					      isprint(raw_event[j]) ?					      raw_event[j] : '.');			}			color_fprintf(stdout, color, "\n");		}	}	printf(".\n");} static struct debug_variable {	const char *name;	int *ptr;} debug_variables[] = {	{ .name = "verbose",		.ptr = &verbose },	{ .name = "ordered-events",	.ptr = &debug_ordered_events},	{ .name = NULL, }}; int perf_debug_option(const char *str){	struct debug_variable *var = &debug_variables[0];	char *vstr, *s = strdup(str);	int v = 1; 	vstr = strchr(s, '=');	if (vstr)		*vstr++ = 0; 	while (var->name) {		if (!strcmp(s, var->name))			break;		var++;	} 	if (!var->name) {		pr_err("Unknown debug variable name '%s'\n", s);		free(s);		return -1;	} 	if (vstr) {		v = atoi(vstr);		/*		 * Allow only values in range (0, 10),		 * otherwise set 0.		 */		v = (v < 0) || (v > 10) ? 0 : v;	} 	*var->ptr = v;	free(s);	return 0;}