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 static int _eprintf(int level, const char *fmt, va_list args)
  20 {
  21         int ret = 0;
  22
  23         if (verbose >= level) {
  24                 if (use_browser >= 1)
  25                         ui_helpline__vshow(fmt, args);
  26                 else
  27                         ret = vfprintf(stderr, fmt, args);
  28         }
  29
  30         return ret;
  31 }
  32
  33 int eprintf(int level, const char *fmt, ...)
  34 {
  35         va_list args;
  36         int ret;
  37
  38         va_start(args, fmt);
  39         ret = _eprintf(level, fmt, args);
  40         va_end(args);
  41
  42         return ret;
  43 }
  44
  45 /*
  46  * Overloading libtraceevent standard info print
  47  * function, display with -v in perf.
  48  */
  49 void pr_stat(const char *fmt, ...)
  50 {
  51         va_list args;
  52
  53         va_start(args, fmt);
  54         _eprintf(1, fmt, args);
  55         va_end(args);
  56         eprintf(1, "\n");
  57 }
  58
  59 int dump_printf(const char *fmt, ...)
  60 {
  61         va_list args;
  62         int ret = 0;
  63
  64         if (dump_trace) {
  65                 va_start(args, fmt);
  66                 ret = vprintf(fmt, args);
  67                 va_end(args);
  68         }
  69
  70         return ret;
  71 }
  72
  73 void trace_event(union perf_event *event)
  74 {
  75         unsigned char *raw_event = (void *)event;
  76         const char *color = PERF_COLOR_BLUE;
  77         int i, j;
  78
  79         if (!dump_trace)
  80                 return;
  81
  82         printf(".");
  83         color_fprintf(stdout, color, "\n. ... raw event: size %d bytes\n",
  84                       event->header.size);
  85
  86         for (i = 0; i < event->header.size; i++) {
  87                 if ((i & 15) == 0) {
  88                         printf(".");
  89                         color_fprintf(stdout, color, "  %04x: ", i);
  90                 }
  91
  92                 color_fprintf(stdout, color, " %02x", raw_event[i]);
  93
  94                 if (((i & 15) == 15) || i == event->header.size-1) {
  95                         color_fprintf(stdout, color, "  ");
  96                         for (j = 0; j < 15-(i & 15); j++)
  97                                 color_fprintf(stdout, color, "   ");
  98                         for (j = i & ~15; j <= i; j++) {
  99                                 color_fprintf(stdout, color, "%c",
 100                                               isprint(raw_event[j]) ?
 101                                               raw_event[j] : '.');
 102                         }
 103                         color_fprintf(stdout, color, "\n");
 104                 }
 105         }
 106         printf(".\n");
 107 }