The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
170 lines
4.4 KiB
C
170 lines
4.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2003-2008, Joseph Koshy
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* Copyright (c) 2007 The FreeBSD Foundation
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* All rights reserved.
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* Copyright (c) 2018, Matthew Macy
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*
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* Portions of this software were developed by A. Joseph Koshy under
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* sponsorship from the FreeBSD Foundation and Google, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/cpuset.h>
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#include <sys/event.h>
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#include <sys/queue.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/sysctl.h>
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#include <sys/time.h>
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#include <sys/ttycom.h>
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#include <sys/user.h>
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#include <sys/wait.h>
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#include <assert.h>
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#include <curses.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <getopt.h>
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#include <kvm.h>
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#include <libgen.h>
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#include <limits.h>
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#include <locale.h>
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#include <math.h>
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#include <pmc.h>
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#include <pmclog.h>
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#include <regex.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include <libpmcstat.h>
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#include "cmd_pmc.h"
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static struct pmcstat_stats pmcstat_stats; /* statistics */
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static struct pmc_plugins plugins[] = {
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{
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.pl_name = "none",
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},
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{
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.pl_name = NULL
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}
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};
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int
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pmc_util_get_pid(struct pmcstat_args *args)
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{
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struct pmcstat_target *pt;
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assert(args->pa_flags & FLAG_HAS_COMMANDLINE);
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/*
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* If a command line was specified, it would be the very first
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* in the list, before any other processes specified by -t.
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*/
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pt = SLIST_FIRST(&args->pa_targets);
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return (pt->pt_pid);
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}
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void
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pmc_util_kill_process(struct pmcstat_args *args)
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{
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struct pmcstat_target *pt;
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assert(args->pa_flags & FLAG_HAS_COMMANDLINE);
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/*
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* If a command line was specified, it would be the very first
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* in the list, before any other processes specified by -t.
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*/
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pt = SLIST_FIRST(&args->pa_targets);
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assert(pt != NULL);
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if (kill(pt->pt_pid, SIGINT) != 0)
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err(EX_OSERR, "ERROR: cannot signal child process");
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}
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void
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pmc_util_shutdown_logging(struct pmcstat_args *args)
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{
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pmcstat_shutdown_logging(args, plugins, &pmcstat_stats);
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}
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void
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pmc_util_cleanup(struct pmcstat_args *args)
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{
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struct pmcstat_ev *ev;
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/* release allocated PMCs. */
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STAILQ_FOREACH(ev, &args->pa_events, ev_next)
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if (ev->ev_pmcid != PMC_ID_INVALID) {
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if (pmc_stop(ev->ev_pmcid) < 0)
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err(EX_OSERR,
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"ERROR: cannot stop pmc 0x%x \"%s\"",
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ev->ev_pmcid, ev->ev_name);
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if (pmc_release(ev->ev_pmcid) < 0)
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err(EX_OSERR,
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"ERROR: cannot release pmc 0x%x \"%s\"",
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ev->ev_pmcid, ev->ev_name);
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}
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/* de-configure the log file if present. */
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if (args->pa_flags & (FLAG_HAS_PIPE | FLAG_HAS_OUTPUT_LOGFILE))
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(void)pmc_configure_logfile(-1);
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if (args->pa_logparser) {
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pmclog_close(args->pa_logparser);
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args->pa_logparser = NULL;
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}
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pmc_util_shutdown_logging(args);
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}
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void
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pmc_util_start_pmcs(struct pmcstat_args *args)
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{
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struct pmcstat_ev *ev;
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STAILQ_FOREACH(ev, &args->pa_events, ev_next) {
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assert(ev->ev_pmcid != PMC_ID_INVALID);
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if (pmc_start(ev->ev_pmcid) < 0) {
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warn("ERROR: Cannot start pmc 0x%x \"%s\"",
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ev->ev_pmcid, ev->ev_name);
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pmc_util_cleanup(args);
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exit(EX_OSERR);
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}
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}
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}
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