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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | /* 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"
int verbose;
bool dump_trace = false, quiet = false;
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;
}
/*
* 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 = 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;
}
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