xref: /freebsd/lib/libpmcstat/libpmcstat_event.c (revision d37eb51047221dc3322b34db1038ff3aa533883f)
1 /*-
2  * Copyright (c) 2003-2008 Joseph Koshy
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/types.h>
28 #include <sys/cpuset.h>
29 #include <sys/pmc.h>
30 
31 #include <err.h>
32 #include <stdlib.h>
33 #include <string.h>
34 #include <sysexits.h>
35 
36 #include "libpmcstat.h"
37 
38 void
39 pmcstat_clone_event_descriptor(struct pmcstat_ev *ev, const cpuset_t *cpumask,
40     struct pmcstat_args *args)
41 {
42 	int cpu;
43 	struct pmcstat_ev *ev_clone;
44 
45 	for (cpu = 0; cpu < CPU_SETSIZE; cpu++) {
46 		if (!CPU_ISSET(cpu, cpumask))
47 			continue;
48 
49 		if ((ev_clone = malloc(sizeof(*ev_clone))) == NULL)
50 			errx(EX_SOFTWARE, "ERROR: Out of memory");
51 		(void) memset(ev_clone, 0, sizeof(*ev_clone));
52 
53 		ev_clone->ev_count = ev->ev_count;
54 		ev_clone->ev_cpu   = cpu;
55 		ev_clone->ev_cumulative = ev->ev_cumulative;
56 		ev_clone->ev_flags = ev->ev_flags;
57 		ev_clone->ev_mode  = ev->ev_mode;
58 		ev_clone->ev_name  = strdup(ev->ev_name);
59 		if (ev_clone->ev_name == NULL)
60 			errx(EX_SOFTWARE, "ERROR: Out of memory");
61 		ev_clone->ev_pmcid = ev->ev_pmcid;
62 		ev_clone->ev_saved = ev->ev_saved;
63 		ev_clone->ev_spec  = strdup(ev->ev_spec);
64 		if (ev_clone->ev_spec == NULL)
65 			errx(EX_SOFTWARE, "ERROR: Out of memory");
66 
67 		STAILQ_INSERT_TAIL(&args->pa_events, ev_clone, ev_next);
68 	}
69 }
70