svn commit: r334465 - head/usr.sbin/pmc

Matt Macy mmacy at FreeBSD.org
Fri Jun 1 00:46:02 UTC 2018


Author: mmacy
Date: Fri Jun  1 00:45:59 2018
New Revision: 334465
URL: https://svnweb.freebsd.org/changeset/base/334465

Log:
  pmc: add list-events command

Added:
  head/usr.sbin/pmc/cmd_pmc_list.c
     - copied, changed from r334464, head/usr.sbin/pmc/pmc.c
Modified:
  head/usr.sbin/pmc/Makefile   (contents, props changed)
  head/usr.sbin/pmc/cmd_pmc.h   (contents, props changed)
  head/usr.sbin/pmc/pmc.c   (contents, props changed)

Modified: head/usr.sbin/pmc/Makefile
==============================================================================
--- head/usr.sbin/pmc/Makefile	Fri Jun  1 00:45:53 2018	(r334464)
+++ head/usr.sbin/pmc/Makefile	Fri Jun  1 00:45:59 2018	(r334465)
@@ -7,6 +7,7 @@ MAN=	
 
 LIBADD=	kvm pmc m ncursesw pmcstat elf
 
-SRCS=	pmc.c pmc_util.c cmd_pmc_stat.c
+SRCS=	pmc.c pmc_util.c cmd_pmc_stat.c \
+	cmd_pmc_list.c
 
 .include <bsd.prog.mk>

Modified: head/usr.sbin/pmc/cmd_pmc.h
==============================================================================
--- head/usr.sbin/pmc/cmd_pmc.h	Fri Jun  1 00:45:53 2018	(r334464)
+++ head/usr.sbin/pmc/cmd_pmc.h	Fri Jun  1 00:45:59 2018	(r334465)
@@ -42,6 +42,7 @@ typedef int (*cmd_disp_t)(int, char **);
 
 int	cmd_pmc_stat(int, char **);
 int	cmd_pmc_stat_system(int, char **);
+int	cmd_pmc_list_events(int, char **);
 
 int	pmc_util_get_pid(struct pmcstat_args *);
 void	pmc_util_start_pmcs(struct pmcstat_args *);

Copied and modified: head/usr.sbin/pmc/cmd_pmc_list.c (from r334464, head/usr.sbin/pmc/pmc.c)
==============================================================================
--- head/usr.sbin/pmc/pmc.c	Fri Jun  1 00:45:53 2018	(r334464, copy source)
+++ head/usr.sbin/pmc/cmd_pmc_list.c	Fri Jun  1 00:45:59 2018	(r334465)
@@ -24,91 +24,105 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $FreeBSD$
- *
  */
 
-#include <sys/types.h>
-#include <sys/errno.h>
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/cpuset.h>
+#include <sys/event.h>
+#include <sys/queue.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
 #include <sys/sysctl.h>
-#include <stddef.h>
-#include <stdlib.h>
+#include <sys/time.h>
+#include <sys/ttycom.h>
+#include <sys/user.h>
+#include <sys/wait.h>
+
+#include <assert.h>
+#include <curses.h>
 #include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <kvm.h>
+#include <libgen.h>
 #include <limits.h>
-#include <string.h>
+#include <locale.h>
+#include <math.h>
 #include <pmc.h>
 #include <pmclog.h>
-#include <libpmcstat.h>
+#include <regex.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.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 option longopts[] = {
+	{"long-desc", no_argument, NULL, 'U'},
+	{"desc", no_argument, NULL, 'u'},
+	{"full", no_argument, NULL, 'f'},
+	{NULL, 0, NULL, 0}
 };
 
-static struct cmd_handler disp_table[] = {
-	{"stat", cmd_pmc_stat},
-	{"stat-system", cmd_pmc_stat_system},
-	{NULL, NULL}
-};
-
 static void
 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\n"
+	    "\t -u, desc -- short description of event\n"
+	    "\t -U, long-desc -- long description of event\n"
+	    "\t -f, full -- full event details\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_pmc_list_events(int argc, char **argv)
 {
-	cmd_disp_t disp;
+	int do_long_descr, do_descr, do_full;
+	int option;
 
-	pmc_args.pa_printfile = stderr;
-	STAILQ_INIT(&pmc_args.pa_events);
-	SLIST_INIT(&pmc_args.pa_targets);
-	if (argc == 1)
+	do_long_descr = do_descr = do_full = 0;
+	while ((option = getopt_long(argc, argv, "Uuf", longopts, NULL)) != -1) {
+		switch (option) {
+		case 'U':
+			do_long_descr = 1;
+			break;
+		case 'u':
+			do_descr = 1;
+			break;
+		case 'f':
+			do_full = 1;
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	}
+	argc -= optind;
+	argv += optind;
+	if ((do_long_descr | do_descr | do_full) && argc == 0) {
+		warnx("event or event substring required when option provided\n");
 		usage();
-	if ((disp = disp_lookup(argv[1])) == NULL)
-		usage();
-	argc--;
-	argv++;
+	}
+	if (do_full)
+		pmc_pmu_print_counter_full(argc ? argv[0] : NULL);
+	else if (do_long_descr)
+		pmc_pmu_print_counter_desc_long(argv[0]);
+	else if (do_descr)
+		pmc_pmu_print_counter_desc(argv[0]);
+	else
+		pmc_pmu_print_counters(argv[0]);
 
-	/* 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));
+	return (0);
 }

Modified: head/usr.sbin/pmc/pmc.c
==============================================================================
--- head/usr.sbin/pmc/pmc.c	Fri Jun  1 00:45:53 2018	(r334464)
+++ head/usr.sbin/pmc/pmc.c	Fri Jun  1 00:45:59 2018	(r334465)
@@ -64,6 +64,7 @@ struct cmd_handler {
 static struct cmd_handler disp_table[] = {
 	{"stat", cmd_pmc_stat},
 	{"stat-system", cmd_pmc_stat_system},
+	{"list-events", cmd_pmc_list_events},
 	{NULL, NULL}
 };
 
@@ -73,7 +74,8 @@ 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 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"
 	    );
 }
 


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