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

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

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

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

int lttng_calibrate(struct lttng_kernel_calibrate *calibrate)
{
	switch (calibrate->type) {
	case LTTNG_KERNEL_CALIBRATE_KRETPROBE:
		lttng_calibrate_kretprobe();
		break;
	default:
		return -EINVAL;
	}
	return 0;
}
Commit	Line	Data
	1	/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
	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
	13	noinline
	14	void lttng_calibrate_kretprobe(void)
	15	{
	16	asm volatile ("");
	17	}
	18
	19	int lttng_calibrate(struct lttng_kernel_calibrate *calibrate)
	20	{
	21	switch (calibrate->type) {
	22	case LTTNG_KERNEL_CALIBRATE_KRETPROBE:
	23	lttng_calibrate_kretprobe();
	24	break;
	25	default:
	26	return -EINVAL;
	27	}
	28	return 0;
	29	}