tools/perf/util/debug.c

   1 /* For general debugging purposes */
   2
   3 #include "../perf.h"
   4
   5 #include <string.h>
   6 #include <stdarg.h>
   7 #include <stdio.h>
   8
   9 #include "cache.h"
  10 #include "color.h"
  11 #include "event.h"
  12 #include "debug.h"
  13 #include "util.h"
  14 #include "target.h"
  15
  16 int verbose;
  17 bool dump_trace = false, quiet = false;
  18
  19 int eprintf(int level, const char *fmt, ...)
  20 {
  21         va_list args;
  22         int ret = 0;
  23
  24         if (verbose >= level) {
  25                 va_start(args, fmt);
  26                 if (use_browser >= 1)
  27                         ui_helpline__vshow(fmt, args);
  28                 else
  29                         ret = vfprintf(stderr, fmt, args);
  30                 va_end(args);
  31         }
  32
  33         return ret;
  34 }
  35
  36 int dump_printf(const char *fmt, ...)
  37 {
  38         va_list args;
  39         int ret = 0;
  40
  41         if (dump_trace) {
  42                 va_start(args, fmt);
  43                 ret = vprintf(fmt, args);
  44                 va_end(args);
  45         }
  46
  47         return ret;
  48 }
  49
  50 void trace_event(union perf_event *event)
  51 {
  52         unsigned char *raw_event = (void *)event;
  53         const char *color = PERF_COLOR_BLUE;
  54         int i, j;
  55
  56         if (!dump_trace)
  57                 return;
  58
  59         printf(".");
  60         color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
  61                       event->header.size);
  62
  63         for (i = 0; i < event->header.size; i++) {
  64                 if ((i & 15) == 0) {
  65                         printf(".");
  66                         color_fprintf(stdout, color, "  %04x: ", i);
  67                 }
  68
  69                 color_fprintf(stdout, color, " %02x", raw_event[i]);
  70
  71                 if (((i & 15) == 15) || i == event->header.size-1) {
  72                         color_fprintf(stdout, color, "  ");
  73                         for (j = 0; j < 15-(i & 15); j++)
  74                                 color_fprintf(stdout, color, "   ");
  75                         for (j = i & ~15; j <= i; j++) {
  76                                 color_fprintf(stdout, color, "%c",
  77                                               isprint(raw_event[j]) ?
  78                                               raw_event[j] : '.');
  79                         }
  80                         color_fprintf(stdout, color, "\n");
  81                 }
  82         }
  83         printf(".\n");
  84 }