[lttng-modules.git] / src / lttng-calibrate.c

/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
 *
 * lttng-calibrate.c
 *
 * LTTng probe calibration.
 *
 * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#include <lttng/abi.h>
#include <lttng/events.h>
#include <lttng/events-internal.h>

static noinline
void lttng_calibrate_kretprobe(void)
{
	asm volatile ("");
}

int lttng_calibrate(struct lttng_kernel_abi_calibrate *calibrate)
{
	switch (calibrate->type) {
	case LTTNG_KERNEL_ABI_CALIBRATE_KRETPROBE:
		lttng_calibrate_kretprobe();
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
Commit	Line	Data
	1	/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
	2	*
	3	* lttng-calibrate.c
	4	*
	5	* LTTng probe calibration.
	6	*
	7	* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
	8	*/
	9
	10	#include <lttng/abi.h>
	11	#include <lttng/events.h>
	12	#include <lttng/events-internal.h>
	13
	14	static noinline
	15	void lttng_calibrate_kretprobe(void)
	16	{
	17	asm volatile ("");
	18	}
	19
	20	int lttng_calibrate(struct lttng_kernel_abi_calibrate *calibrate)
	21	{
	22	switch (calibrate->type) {
	23	case LTTNG_KERNEL_ABI_CALIBRATE_KRETPROBE:
	24	lttng_calibrate_kretprobe();
	25	break;
	26	default:
	27	return -EINVAL;
	28	}
	29	return 0;
	30	}