diff options
Diffstat (limited to 'usr.sbin/pmc/pmc.c')
| -rw-r--r-- | usr.sbin/pmc/pmc.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/usr.sbin/pmc/pmc.c b/usr.sbin/pmc/pmc.c new file mode 100644 index 000000000000..4b4d113e2bd4 --- /dev/null +++ b/usr.sbin/pmc/pmc.c @@ -0,0 +1,117 @@ +/*- + * 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)); +} |
