lttng-calibrate.c

   1 /*
   2  * lttng-calibrate.c
   3  *
   4  * Copyright 2011 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  *
   6  * LTTng probe calibration.
   7  *
   8  * Dual LGPL v2.1/GPL v2 license.
   9  */
  10
  11 #include "ltt-debugfs-abi.h"
  12 #include "ltt-events.h"
  13
  14 void lttng_calibrate_kretprobe(void)
  15 {
  16         asm volatile ("");
  17 }
  18
  19 int lttng_calibrate(struct lttng_calibrate *calibrate)
  20 {
  21         switch (calibrate->type) {
  22         case LTTNG_CALIBRATE_KRETPROBE:
  23                 lttng_calibrate_kretprobe();
  24                 break;
  25         default:
  26                 return -EINVAL;
  27         }
  28         return 0;
  29 }