| 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 "lttng-abi.h" |
| 12 | #include "lttng-events.h" |
| 13 | |
| 14 | noinline |
| 15 | void lttng_calibrate_kretprobe(void) |
| 16 | { |
| 17 | asm volatile (""); |
| 18 | } |
| 19 | |
| 20 | int lttng_calibrate(struct lttng_kernel_calibrate *calibrate) |
| 21 | { |
| 22 | switch (calibrate->type) { |
| 23 | case LTTNG_KERNEL_CALIBRATE_KRETPROBE: |
| 24 | lttng_calibrate_kretprobe(); |
| 25 | break; |
| 26 | default: |
| 27 | return -EINVAL; |
| 28 | } |
| 29 | return 0; |
| 30 | } |