[lttng-ust.git] / doc / examples / getcpu-override / lttng-ust-getcpu-override-example.c

/*
 * SPDX-License-Identifier: MIT
 *
 * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 */

#include <stdlib.h>
#include <time.h>
#include <string.h>
#include <stdio.h>
#include <lttng/ust-getcpu.h>

static
int plugin_getcpu(void)
{
	/* Dummy: always return CPU 0. */
	return 0;
}

void lttng_ust_getcpu_plugin_init(void)
{
	int ret;

	ret = lttng_ust_getcpu_override(plugin_getcpu);
	if (ret) {
		fprintf(stderr, "Error enabling getcpu override: %s\n",
			strerror(-ret));
		goto error;
	}
	return;

error:
	exit(EXIT_FAILURE);
}
Commit	Line	Data
5e1b7b8b	1	/*
c0c0989a	2	* SPDX-License-Identifier: MIT
5e1b7b8b	3	*
c0c0989a	4	* Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
5e1b7b8b MD	5	*/
	6
	7	#include <stdlib.h>
	8	#include <time.h>
	9	#include <string.h>
	10	#include <stdio.h>
	11	#include <lttng/ust-getcpu.h>
	12
	13	static
	14	int plugin_getcpu(void)
	15	{
	16	/* Dummy: always return CPU 0. */
	17	return 0;
	18	}
	19
	20	void lttng_ust_getcpu_plugin_init(void)
	21	{
	22	int ret;
	23
	24	ret = lttng_ust_getcpu_override(plugin_getcpu);
	25	if (ret) {
	26	fprintf(stderr, "Error enabling getcpu override: %s\n",
	27	strerror(-ret));
	28	goto error;
	29	}
	30	return;
	31
	32	error:
	33	exit(EXIT_FAILURE);
	34	}