src/slab-read.c

   1 #include "compat.h"
   2
   3 struct slab_log_entry
   4 {
   5     struct timeval tv;
   6     void *slab;
   7     ssize_t size;
   8 };
   9
  10 static void
  11 read_log_file(const char *name)
  12 {
  13     struct slab_log_entry sle;
  14     FILE *log;
  15
  16     log = fopen(name, "r");
  17     if (!log)
  18     {
  19         fprintf(stderr, "Unable to open %s: %s\n", name, strerror(errno));
  20         return;
  21     }
  22
  23     while (fread(&sle, sizeof(sle), 1, log) == 1)
  24     {
  25         fprintf(stdout, "%ld.%06ld %p ", (long)sle.tv.tv_sec, (long)sle.tv.tv_usec, sle.slab);
  26         if (sle.size > 0)
  27         {
  28             fprintf(stdout, "-> %zd\n", sle.size);
  29         }
  30         else if (sle.size < 0)
  31         {
  32             fprintf(stdout, "<- %zd\n", -sle.size);
  33         }
  34         else /* slze.size == 0 */
  35         {
  36             fprintf(stdout, "unmap\n");
  37         }
  38     }
  39 }
  40
  41 int
  42 main(int argc, char *argv[])
  43 {
  44     int ii;
  45
  46     if (argc < 2)
  47     {
  48         fprintf(stderr, "Usage: %s <logfile ...>\n", argv[0]);
  49         return 1;
  50     }
  51
  52     for (ii = 1; ii < argc; ++ii)
  53     {
  54         read_log_file(argv[ii]);
  55     }
  56     return 0;
  57 }