/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2018, Matthew Macy
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/sysctl.h>
#include <stddef.h>
#include <stdlib.h>
#include <err.h>
#include <limits.h>
#include <string.h>
#include <pmc.h>
#include <pmclog.h>
#include <libpmcstat.h>
#include <sysexits.h>
#include <unistd.h>
#include <libpmcstat.h>
#include "cmd_pmc.h"
int pmc_displayheight = DEFAULT_DISPLAY_HEIGHT;
int pmc_displaywidth = DEFAULT_DISPLAY_WIDTH;
int pmc_kq;
struct pmcstat_args pmc_args;
struct pmcstat_pmcs pmcstat_pmcs = LIST_HEAD_INITIALIZER(pmcstat_pmcs);
struct pmcstat_image_hash_list pmcstat_image_hash[PMCSTAT_NHASH];
struct pmcstat_process_hash_list pmcstat_process_hash[PMCSTAT_NHASH];
struct cmd_handler {
const char *ch_name;
cmd_disp_t ch_fn;
};
static struct cmd_handler disp_table[] = {
{"stat", cmd_pmc_stat},
{"stat-system", cmd_pmc_stat_system},
{"list-events", cmd_pmc_list_events},
{"filter", cmd_pmc_filter},
{"summary", cmd_pmc_summary},
{NULL, NULL}
};
static void __dead2
usage(void)
{
errx(EX_USAGE,
"\t pmc management utility\n"
"\t stat <program> run program and print stats\n"
"\t stat-system <program> run program and print system wide stats for duration of execution\n"
"\t list-events list PMC events available on host\n"
"\t filter filter records by lwp, pid, or event\n"
);
}
static cmd_disp_t
disp_lookup(char *name)
{
struct cmd_handler *hnd;
for (hnd = disp_table; hnd->ch_name != NULL; hnd++)
if (strcmp(hnd->ch_name, name) == 0)
return (hnd->ch_fn);
return (NULL);
}
int
main(int argc, char **argv)
{
cmd_disp_t disp;
pmc_args.pa_printfile = stderr;
STAILQ_INIT(&pmc_args.pa_events);
SLIST_INIT(&pmc_args.pa_targets);
if (argc == 1)
usage();
if ((disp = disp_lookup(argv[1])) == NULL)
usage();
argc--;
argv++;
/* Allocate a kqueue */
if ((pmc_kq = kqueue()) < 0)
err(EX_OSERR, "ERROR: Cannot allocate kqueue");
if (pmc_init() < 0)
err(EX_UNAVAILABLE,
"ERROR: Initialization of the pmc(3) library failed"
);
return (disp(argc, argv));
}
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