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
  15 int verbose;
  16 bool dump_trace = false, quiet = false;
  17
  18 int eprintf(int level, const char *fmt, ...)
  19 {
  20         va_list args;
  21         int ret = 0;
  22
  23         if (verbose >= level) {
  24                 va_start(args, fmt);
  25                 if (use_browser > 0)
  26                         ret = ui_helpline__show_help(fmt, args);
  27                 else
  28                         ret = vfprintf(stderr, fmt, args);
  29                 va_end(args);
  30         }
  31
  32         return ret;
  33 }
  34
  35 int dump_printf(const char *fmt, ...)
  36 {
  37         va_list args;
  38         int ret = 0;
  39
  40         if (dump_trace) {
  41                 va_start(args, fmt);
  42                 ret = vprintf(fmt, args);
  43                 va_end(args);
  44         }
  45
  46         return ret;
  47 }
  48
  49 #ifdef NO_NEWT_SUPPORT
  50 void ui__warning(const char *format, ...)
  51 {
  52         va_list args;
  53
  54         va_start(args, format);
  55         vfprintf(stderr, format, args);
  56         va_end(args);
  57 }
  58 #endif
  59
  60 void trace_event(event_t *event)
  61 {
  62         unsigned char *raw_event = (void *)event;
  63         const char *color = PERF_COLOR_BLUE;
  64         int i, j;
  65
  66         if (!dump_trace)
  67                 return;
  68
  69         printf(".");
  70         color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
  71                       event->header.size);
  72
  73         for (i = 0; i < event->header.size; i++) {
  74                 if ((i & 15) == 0) {
  75                         printf(".");
  76                         color_fprintf(stdout, color, "  %04x: ", i);
  77                 }
  78
  79                 color_fprintf(stdout, color, " %02x", raw_event[i]);
  80
  81                 if (((i & 15) == 15) || i == event->header.size-1) {
  82                         color_fprintf(stdout, color, "  ");
  83                         for (j = 0; j < 15-(i & 15); j++)
  84                                 color_fprintf(stdout, color, "   ");
  85                         for (j = i & ~15; j <= i; j++) {
  86                                 color_fprintf(stdout, color, "%c",
  87                                               isprint(raw_event[j]) ?
  88                                               raw_event[j] : '.');
  89                         }
  90                         color_fprintf(stdout, color, "\n");
  91                 }
  92         }
  93         printf(".\n");
  94 }