[Midnightbsd-cvs] src [11560] trunk/usr.bin/ctlstat/ctlstat.c: sync ctlstat with freebsd.

laffer1 at midnightbsd.org laffer1 at midnightbsd.org
Sat Jul 7 17:59:25 EDT 2018


Revision: 11560
          http://svnweb.midnightbsd.org/src/?rev=11560
Author:   laffer1
Date:     2018-07-07 17:59:24 -0400 (Sat, 07 Jul 2018)
Log Message:
-----------
sync ctlstat with freebsd.

Modified Paths:
--------------
    trunk/usr.bin/ctlstat/Makefile
    trunk/usr.bin/ctlstat/ctlstat.8
    trunk/usr.bin/ctlstat/ctlstat.c

Property Changed:
----------------
    trunk/usr.bin/ctlstat/ctlstat.8

Modified: trunk/usr.bin/ctlstat/Makefile
===================================================================
--- trunk/usr.bin/ctlstat/Makefile	2018-07-07 21:58:29 UTC (rev 11559)
+++ trunk/usr.bin/ctlstat/Makefile	2018-07-07 21:59:24 UTC (rev 11560)
@@ -1,4 +1,5 @@
-# $FreeBSD$
+# $MidnightBSD$
+# $FreeBSD: stable/10/usr.bin/ctlstat/Makefile 229997 2012-01-12 00:34:33Z ken $
 
 PROG=		ctlstat
 MAN=		ctlstat.8

Modified: trunk/usr.bin/ctlstat/ctlstat.8
===================================================================
--- trunk/usr.bin/ctlstat/ctlstat.8	2018-07-07 21:58:29 UTC (rev 11559)
+++ trunk/usr.bin/ctlstat/ctlstat.8	2018-07-07 21:59:24 UTC (rev 11560)
@@ -1,3 +1,4 @@
+.\" $MidnightBSD$
 .\" 
 .\" Copyright (c) 2010 Silicon Graphics International Corp.
 .\" All rights reserved.
@@ -31,10 +32,10 @@
 .\"
 .\" Author: Ken Merry <ken at FreeBSD.org>
 .\"
-.\" $Id: ctlstat.8,v 1.1 2012-11-23 01:13:51 laffer1 Exp $
-.\" $FreeBSD$
+.\" $Id: //depot/users/kenm/FreeBSD-test2/usr.bin/ctlstat/ctlstat.8#2 $
+.\" $FreeBSD: stable/10/usr.bin/ctlstat/ctlstat.8 312841 2017-01-26 21:00:49Z mav $
 .\"
-.Dd March 6, 2013
+.Dd January 9, 2017
 .Dt CTLSTAT 8
 .Os
 .Sh NAME
@@ -50,6 +51,7 @@
 .Op Fl j
 .Op Fl l Ar lun
 .Op Fl n Ar numdevs
+.Op Fl p Ar port
 .Op Fl w Ar wait
 .Sh DESCRIPTION
 The
@@ -64,33 +66,30 @@
 .Bl -tag -width 10n
 .It Fl t
 Total mode.
-This displays separate columns with the total CTL read and write output,
+This displays separate columns with the total read and write output,
 and a combined total column that also includes non I/O operations.
 .It Fl c Ar count
 Display statistics this many times.
 .It Fl C
-Disable display of CPU statistics.
+Disable CPU statistics display.
 .It Fl d
 Display DMA operation time (latency) instead of overall I/O time (latency).
 .It Fl D
 Text dump mode.
-Dump all available statistics every 30 seconds in a text format suitable
-for parsing.
+Dump statistics every 30 seconds in a text format suitable for parsing.
 No statistics are computed in this mode, only raw numbers are displayed.
 .It Fl h
 Suppress display of the header.
 .It Fl j
 JSON dump mode.
-Dump all available statistics every 30 seconds in JavaScript Object
-Notation (JSON) format.
+Dump statistics every 30 seconds in JavaScript Object Notation (JSON) format.
 No statistics are computed in this mode, only raw numbers are displayed.
 .It Fl l Ar lun
 Request statistics for the specified LUN.
-This option is incompatible with total
-.Fl ( t )
-mode.
 .It Fl n Ar numdevs
 Display statistics for this many devices.
+.It Fl p Ar port
+Request statistics for the specified port.
 .It Fl w Ar wait
 Wait this many seconds in between displays.
 If this option is not specified,
@@ -117,7 +116,9 @@
 .Xr xpt 4 ,
 .Xr camcontrol 8 ,
 .Xr ctladm 8 ,
+.Xr ctld 8 ,
 .Xr iostat 8
 .Sh AUTHORS
-.An Ken Merry Aq ken at FreeBSD.org
-.An Will Andrews Aq will at FreeBSD.org
+.An Ken Merry Aq Mt ken at FreeBSD.org
+.An Will Andrews Aq Mt will at FreeBSD.org
+.An Alexander Motin Aq Mt mav at FreeBSD.org


Property changes on: trunk/usr.bin/ctlstat/ctlstat.8
___________________________________________________________________
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Modified: trunk/usr.bin/ctlstat/ctlstat.c
===================================================================
--- trunk/usr.bin/ctlstat/ctlstat.c	2018-07-07 21:58:29 UTC (rev 11559)
+++ trunk/usr.bin/ctlstat/ctlstat.c	2018-07-07 21:59:24 UTC (rev 11560)
@@ -1,5 +1,7 @@
+/* $MidnightBSD$ */
 /*-
  * Copyright (c) 2004, 2008, 2009 Silicon Graphics International Corp.
+ * Copyright (c) 2017 Alexander Motin <mav at FreeBSD.org>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,7 +29,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: ctlstat.c,v 1.1 2012-11-23 01:13:51 laffer1 Exp $
+ * $Id: //depot/users/kenm/FreeBSD-test2/usr.bin/ctlstat/ctlstat.c#4 $
  */
 /*
  * CAM Target Layer statistics program
@@ -36,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
+__FBSDID("$FreeBSD: stable/10/usr.bin/ctlstat/ctlstat.c 314992 2017-03-10 06:18:27Z mav $");
 
 #include <sys/ioctl.h>
 #include <sys/types.h>
@@ -62,15 +64,14 @@
 #include <cam/ctl/ctl_io.h>
 #include <cam/ctl/ctl_scsi_all.h>
 #include <cam/ctl/ctl_util.h>
-#include <cam/ctl/ctl_frontend_internal.h>
 #include <cam/ctl/ctl_backend.h>
 #include <cam/ctl/ctl_ioctl.h>
 
 /*
- * The default amount of space we allocate for LUN storage space.  We
- * dynamically allocate more if needed.
+ * The default amount of space we allocate for stats storage space.
+ * We dynamically allocate more if needed.
  */
-#define	CTL_STAT_NUM_LUNS	30
+#define	CTL_STAT_NUM_ITEMS	256
 
 /*
  * The default number of LUN selection bits we allocate.  This is large
@@ -77,9 +78,9 @@
  * because we don't currently increase it if the user specifies a LUN
  * number of 1024 or larger.
  */
-#define	CTL_STAT_LUN_BITS	1024L
+#define	CTL_STAT_BITS		1024L
 
-static const char *ctlstat_opts = "Cc:Ddhjl:n:tw:";
+static const char *ctlstat_opts = "Cc:Ddhjl:n:p:tw:";
 static const char *ctlstat_usage = "Usage:  ctlstat [-CDdjht] [-l lunnum]"
 				   "[-c count] [-n numdevs] [-w wait]\n";
 
@@ -102,26 +103,32 @@
 #define	CTLSTAT_FLAG_FIRST_RUN		(1 << 2)
 #define	CTLSTAT_FLAG_TOTALS		(1 << 3)
 #define	CTLSTAT_FLAG_DMA_TIME		(1 << 4)
-#define	CTLSTAT_FLAG_LUN_TIME_VALID	(1 << 5)
+#define	CTLSTAT_FLAG_TIME_VALID		(1 << 5)
+#define	CTLSTAT_FLAG_MASK		(1 << 6)
+#define	CTLSTAT_FLAG_LUNS		(1 << 7)
+#define	CTLSTAT_FLAG_PORTS		(1 << 8)
 #define	F_CPU(ctx) ((ctx)->flags & CTLSTAT_FLAG_CPU)
 #define	F_HDR(ctx) ((ctx)->flags & CTLSTAT_FLAG_HEADER)
 #define	F_FIRST(ctx) ((ctx)->flags & CTLSTAT_FLAG_FIRST_RUN)
 #define	F_TOTALS(ctx) ((ctx)->flags & CTLSTAT_FLAG_TOTALS)
 #define	F_DMA(ctx) ((ctx)->flags & CTLSTAT_FLAG_DMA_TIME)
-#define	F_LUNVAL(ctx) ((ctx)->flags & CTLSTAT_FLAG_LUN_TIME_VALID)
+#define	F_TIMEVAL(ctx) ((ctx)->flags & CTLSTAT_FLAG_TIME_VALID)
+#define	F_MASK(ctx) ((ctx)->flags & CTLSTAT_FLAG_MASK)
+#define	F_LUNS(ctx) ((ctx)->flags & CTLSTAT_FLAG_LUNS)
+#define	F_PORTS(ctx) ((ctx)->flags & CTLSTAT_FLAG_PORTS)
 
 struct ctlstat_context {
 	ctlstat_mode_types mode;
 	int flags;
-	struct ctl_lun_io_stats *cur_lun_stats, *prev_lun_stats,
-		*tmp_lun_stats;
-	struct ctl_lun_io_stats cur_total_stats[3], prev_total_stats[3];
+	struct ctl_io_stats *cur_stats, *prev_stats;
+	struct ctl_io_stats cur_total_stats[3], prev_total_stats[3];
 	struct timespec cur_time, prev_time;
 	struct ctl_cpu_stats cur_cpu, prev_cpu;
 	uint64_t cur_total_jiffies, prev_total_jiffies;
 	uint64_t cur_idle, prev_idle;
-	bitstr_t bit_decl(lun_mask, CTL_STAT_LUN_BITS);
-	int num_luns;
+	bitstr_t bit_decl(item_mask, CTL_STAT_BITS);
+	int cur_items, prev_items;
+	int cur_alloc, prev_alloc;
 	int numdevs;
 	int header_interval;
 };
@@ -131,11 +138,11 @@
 #endif
 
 static void usage(int error);
-static int getstats(int fd, int *num_luns, struct ctl_lun_io_stats **xlun_stats,
-		    struct timespec *cur_time, int *lun_time_valid);
+static int getstats(int fd, int *alloc_items, int *num_items,
+    struct ctl_io_stats **xstats, struct timespec *cur_time, int *time_valid);
 static int getcpu(struct ctl_cpu_stats *cpu_stats);
-static void compute_stats(struct ctl_lun_io_stats *cur_stats,
-			  struct ctl_lun_io_stats *prev_stats,
+static void compute_stats(struct ctl_io_stats *cur_stats,
+			  struct ctl_io_stats *prev_stats,
 			  long double etime, long double *mbsec,
 			  long double *kb_per_transfer,
 			  long double *transfers_per_second,
@@ -150,64 +157,55 @@
 }
 
 static int
-getstats(int fd, int *num_luns, struct ctl_lun_io_stats **xlun_stats,
+getstats(int fd, int *alloc_items, int *num_items, struct ctl_io_stats **stats,
 	 struct timespec *cur_time, int *flags)
 {
-	struct ctl_lun_io_stats *lun_stats;
-	struct ctl_stats stats;
-	int more_space_count;
+	struct ctl_get_io_stats get_stats;
+	int more_space_count = 0;
 
-	more_space_count = 0;
-
-	if (*num_luns == 0)
-		*num_luns = CTL_STAT_NUM_LUNS;
-
-	lun_stats = *xlun_stats;
+	if (*alloc_items == 0)
+		*alloc_items = CTL_STAT_NUM_ITEMS;
 retry:
+	if (*stats == NULL)
+		*stats = malloc(sizeof(**stats) * *alloc_items);
 
-	if (lun_stats == NULL) {
-		lun_stats = (struct ctl_lun_io_stats *)malloc(
-			sizeof(*lun_stats) * *num_luns);
-	}
+	memset(&get_stats, 0, sizeof(get_stats));
+	get_stats.alloc_len = *alloc_items * sizeof(**stats);
+	memset(*stats, 0, get_stats.alloc_len);
+	get_stats.stats = *stats;
 
-	memset(&stats, 0, sizeof(stats));
-	stats.alloc_len = *num_luns * sizeof(*lun_stats);
-	memset(lun_stats, 0, stats.alloc_len);
-	stats.lun_stats = lun_stats;
+	if (ioctl(fd, (*flags & CTLSTAT_FLAG_PORTS) ? CTL_GET_PORT_STATS :
+	    CTL_GET_LUN_STATS, &get_stats) == -1)
+		err(1, "CTL_GET_*_STATS ioctl returned error");
 
-	if (ioctl(fd, CTL_GETSTATS, &stats) == -1)
-		err(1, "error returned from CTL_GETSTATS ioctl");
-
-	switch (stats.status) {
+	switch (get_stats.status) {
 	case CTL_SS_OK:
 		break;
 	case CTL_SS_ERROR:
-		err(1, "CTL_SS_ERROR returned from CTL_GETSTATS ioctl");
+		err(1, "CTL_GET_*_STATS ioctl returned CTL_SS_ERROR");
 		break;
 	case CTL_SS_NEED_MORE_SPACE:
-		if (more_space_count > 0) {
-			errx(1, "CTL_GETSTATS returned NEED_MORE_SPACE again");
-		}
-		*num_luns = stats.num_luns;
-		free(lun_stats);
-		lun_stats = NULL;
+		if (more_space_count >= 2)
+			errx(1, "CTL_GET_*_STATS returned NEED_MORE_SPACE again");
+		*alloc_items = get_stats.num_items * 5 / 4;
+		free(*stats);
+		*stats = NULL;
 		more_space_count++;
 		goto retry;
 		break; /* NOTREACHED */
 	default:
-		errx(1, "unknown status %d returned from CTL_GETSTATS ioctl",
-		     stats.status);
+		errx(1, "CTL_GET_*_STATS ioctl returned unknown status %d",
+		     get_stats.status);
 		break;
 	}
 
-	*xlun_stats = lun_stats;
-	*num_luns = stats.num_luns;
-	cur_time->tv_sec = stats.timestamp.tv_sec;
-	cur_time->tv_nsec = stats.timestamp.tv_nsec;
-	if (stats.flags & CTL_STATS_FLAG_TIME_VALID)
-		*flags |= CTLSTAT_FLAG_LUN_TIME_VALID;
+	*num_items = get_stats.fill_len / sizeof(**stats);
+	cur_time->tv_sec = get_stats.timestamp.tv_sec;
+	cur_time->tv_nsec = get_stats.timestamp.tv_nsec;
+	if (get_stats.flags & CTL_STATS_FLAG_TIME_VALID)
+		*flags |= CTLSTAT_FLAG_TIME_VALID;
 	else
-		*flags &= ~CTLSTAT_FLAG_LUN_TIME_VALID;
+		*flags &= ~CTLSTAT_FLAG_TIME_VALID;
 
 	return (0);
 }
@@ -235,14 +233,13 @@
 }
 
 static void
-compute_stats(struct ctl_lun_io_stats *cur_stats,
-	      struct ctl_lun_io_stats *prev_stats, long double etime,
+compute_stats(struct ctl_io_stats *cur_stats,
+	      struct ctl_io_stats *prev_stats, long double etime,
 	      long double *mbsec, long double *kb_per_transfer,
 	      long double *transfers_per_second, long double *ms_per_transfer,
 	      long double *ms_per_dma, long double *dmas_per_second)
 {
 	uint64_t total_bytes = 0, total_operations = 0, total_dmas = 0;
-	uint32_t port;
 	struct bintime total_time_bt, total_dma_bt;
 	struct timespec total_time_ts, total_dma_ts;
 	int i;
@@ -251,28 +248,18 @@
 	bzero(&total_dma_bt, sizeof(total_dma_bt));
 	bzero(&total_time_ts, sizeof(total_time_ts));
 	bzero(&total_dma_ts, sizeof(total_dma_ts));
-	for (port = 0; port < CTL_MAX_PORTS; port++) {
-		for (i = 0; i < CTL_STATS_NUM_TYPES; i++) {
-			total_bytes += cur_stats->ports[port].bytes[i];
-			total_operations +=
-			    cur_stats->ports[port].operations[i];
-			total_dmas += cur_stats->ports[port].num_dmas[i];
-			bintime_add(&total_time_bt,
-			    &cur_stats->ports[port].time[i]);
-			bintime_add(&total_dma_bt,
-			    &cur_stats->ports[port].dma_time[i]);
-			if (prev_stats != NULL) {
-				total_bytes -=
-				    prev_stats->ports[port].bytes[i];
-				total_operations -=
-				    prev_stats->ports[port].operations[i];
-				total_dmas -=
-				    prev_stats->ports[port].num_dmas[i];
-				bintime_sub(&total_time_bt,
-				    &prev_stats->ports[port].time[i]);
-				bintime_sub(&total_dma_bt,
-				    &prev_stats->ports[port].dma_time[i]);
-			}
+	for (i = 0; i < CTL_STATS_NUM_TYPES; i++) {
+		total_bytes += cur_stats->bytes[i];
+		total_operations += cur_stats->operations[i];
+		total_dmas += cur_stats->dmas[i];
+		bintime_add(&total_time_bt, &cur_stats->time[i]);
+		bintime_add(&total_dma_bt, &cur_stats->dma_time[i]);
+		if (prev_stats != NULL) {
+			total_bytes -= prev_stats->bytes[i];
+			total_operations -= prev_stats->operations[i];
+			total_dmas -= prev_stats->dmas[i];
+			bintime_sub(&total_time_bt, &prev_stats->time[i]);
+			bintime_sub(&total_dma_bt, &prev_stats->dma_time[i]);
 		}
 	}
 
@@ -326,80 +313,70 @@
  * conducive to programming, however.
  */
 
-#define	PRINT_BINTIME(prefix, bt) \
-	printf("%s %jd s %ju frac\n", prefix, (intmax_t)(bt).sec, \
-	       (uintmax_t)(bt).frac)
-const char *iotypes[] = {"NO IO", "READ", "WRITE"};
+#define	PRINT_BINTIME(bt) \
+	printf("%jd.%06ju", (intmax_t)(bt).sec, \
+	       (uintmax_t)(((bt).frac >> 32) * 1000000 >> 32))
+static const char *iotypes[] = {"NO IO", "READ", "WRITE"};
 
 static void
-ctlstat_dump(struct ctlstat_context *ctx) {
-	int iotype, lun, port;
-	struct ctl_lun_io_stats *stats = ctx->cur_lun_stats;
+ctlstat_dump(struct ctlstat_context *ctx)
+{
+	int iotype, i;
+	struct ctl_io_stats *stats = ctx->cur_stats;
 
-	for (lun = 0; lun < ctx->num_luns;lun++) {
-		printf("lun %d\n", lun);
-		for (port = 0; port < CTL_MAX_PORTS; port++) {
-			printf(" port %d\n",
-			    stats[lun].ports[port].targ_port);
-			for (iotype = 0; iotype < CTL_STATS_NUM_TYPES;
-			    iotype++) {
-				printf("  io type %d (%s)\n", iotype,
-				    iotypes[iotype]);
-				printf("   bytes %ju\n", (uintmax_t)
-				    stats[lun].ports[port].bytes[iotype]);
-				printf("   operations %ju\n", (uintmax_t)
-				    stats[lun].ports[port].operations[iotype]);
-				PRINT_BINTIME("   io time",
-				    stats[lun].ports[port].time[iotype]);
-				printf("   num dmas %ju\n", (uintmax_t)
-				    stats[lun].ports[port].num_dmas[iotype]);
-				PRINT_BINTIME("   dma time",
-				    stats[lun].ports[port].dma_time[iotype]);
-			}
+	for (i = 0; i < ctx->cur_items;i++) {
+		if (F_MASK(ctx) && bit_test(ctx->item_mask, i) == 0)
+			continue;
+		printf("%s %d\n", F_PORTS(ctx) ? "port" : "lun", stats[i].item);
+		for (iotype = 0; iotype < CTL_STATS_NUM_TYPES; iotype++) {
+			printf("  io type %d (%s)\n", iotype, iotypes[iotype]);
+			printf("   bytes %ju\n", (uintmax_t)
+			    stats[i].bytes[iotype]);
+			printf("   operations %ju\n", (uintmax_t)
+			    stats[i].operations[iotype]);
+			printf("   dmas %ju\n", (uintmax_t)
+			    stats[i].dmas[iotype]);
+			printf("   io time ");
+			PRINT_BINTIME(stats[i].time[iotype]);
+			printf("\n   dma time ");
+			PRINT_BINTIME(stats[i].dma_time[iotype]);
+			printf("\n");
 		}
 	}
 }
 
-#define	JSON_BINTIME(prefix, bt) \
-	printf("\"%s\":{\"sec\":%jd,\"frac\":%ju},", \
-	    prefix, (intmax_t)(bt).sec, (uintmax_t)(bt).frac)
-
 static void
 ctlstat_json(struct ctlstat_context *ctx) {
-	int iotype, lun, port;
-	struct ctl_lun_io_stats *stats = ctx->cur_lun_stats;
+	int iotype, i;
+	struct ctl_io_stats *stats = ctx->cur_stats;
 
-	printf("{\"luns\":[");
-	for (lun = 0; lun < ctx->num_luns; lun++) {
-		printf("{\"ports\":[");
-		for (port = 0; port < CTL_MAX_PORTS;port++) {
-			printf("{\"num\":%d,\"io\":[",
-			    stats[lun].ports[port].targ_port);
-			for (iotype = 0; iotype < CTL_STATS_NUM_TYPES;
-			    iotype++) {
-				printf("{\"type\":\"%s\",", iotypes[iotype]);
-				printf("\"bytes\":%ju,", (uintmax_t)stats[
-				       lun].ports[port].bytes[iotype]);
-				printf("\"operations\":%ju,", (uintmax_t)stats[
-				       lun].ports[port].operations[iotype]);
-				JSON_BINTIME("io time",
-				    stats[lun].ports[port].time[iotype]);
-				JSON_BINTIME("dma time",
-				    stats[lun].ports[port].dma_time[iotype]);
-				printf("\"num dmas\":%ju}", (uintmax_t)
-				    stats[lun].ports[port].num_dmas[iotype]);
-				if (iotype < (CTL_STATS_NUM_TYPES - 1))
-					printf(","); /* continue io array */
-			}
-			printf("]}"); /* close port */
-			if (port < (CTL_MAX_PORTS - 1))
-				printf(","); /* continue port array */
+	printf("{\"%s\":[", F_PORTS(ctx) ? "ports" : "luns");
+	for (i = 0; i < ctx->cur_items; i++) {
+		if (F_MASK(ctx) && bit_test(ctx->item_mask, i) == 0)
+			continue;
+		printf("{\"num\":%d,\"io\":[",
+		    stats[i].item);
+		for (iotype = 0; iotype < CTL_STATS_NUM_TYPES; iotype++) {
+			printf("{\"type\":\"%s\",", iotypes[iotype]);
+			printf("\"bytes\":%ju,", (uintmax_t)
+			    stats[i].bytes[iotype]);
+			printf("\"operations\":%ju,", (uintmax_t)
+			    stats[i].operations[iotype]);
+			printf("\"dmas\":%ju,", (uintmax_t)
+			    stats[i].dmas[iotype]);
+			printf("\"io time\":");
+			PRINT_BINTIME(stats[i].time[iotype]);
+			printf(",\"dma time\":");
+			PRINT_BINTIME(stats[i].dma_time[iotype]);
+			printf("}");
+			if (iotype < (CTL_STATS_NUM_TYPES - 1))
+				printf(","); /* continue io array */
 		}
-		printf("]}"); /* close lun */
-		if (lun < (ctx->num_luns - 1))
+		printf("]}");
+		if (i < (ctx->cur_items - 1))
 			printf(","); /* continue lun array */
 	}
-	printf("]}"); /* close luns and toplevel */
+	printf("]}");
 }
 
 static void
@@ -406,10 +383,8 @@
 ctlstat_standard(struct ctlstat_context *ctx) {
 	long double etime;
 	uint64_t delta_jiffies, delta_idle;
-	uint32_t port;
 	long double cpu_percentage;
-	int i;
-	int j;
+	int i, j;
 
 	cpu_percentage = 0;
 
@@ -416,8 +391,8 @@
 	if (F_CPU(ctx) && (getcpu(&ctx->cur_cpu) != 0))
 		errx(1, "error returned from getcpu()");
 
-	etime = ctx->cur_time.tv_sec - ctx->prev_time.tv_sec +                  
-	    (ctx->prev_time.tv_nsec - ctx->cur_time.tv_nsec) * 1e-9; 
+	etime = ctx->cur_time.tv_sec - ctx->prev_time.tv_sec +
+	    (ctx->prev_time.tv_nsec - ctx->cur_time.tv_nsec) * 1e-9;
 
 	if (F_CPU(ctx)) {
 		ctx->prev_total_jiffies = ctx->cur_total_jiffies;
@@ -443,20 +418,19 @@
 
 			hdr_devs = 0;
 
+			if (F_CPU(ctx))
+				fprintf(stdout, " CPU");
 			if (F_TOTALS(ctx)) {
-				fprintf(stdout, "%s     System Read     %s"
-					"System Write     %sSystem Total%s\n",
-					(F_LUNVAL(ctx) != 0) ? "     " : "",
-					(F_LUNVAL(ctx) != 0) ? "     " : "",
-					(F_LUNVAL(ctx) != 0) ? "     " : "",
-					(F_CPU(ctx) == 0)   ? "    CPU" : "");
+				fprintf(stdout, "%s     Read       %s"
+					"    Write       %s    Total\n",
+					(F_TIMEVAL(ctx) != 0) ? "      " : "",
+					(F_TIMEVAL(ctx) != 0) ? "      " : "",
+					(F_TIMEVAL(ctx) != 0) ? "      " : "");
 				hdr_devs = 3;
 			} else {
-				if (F_CPU(ctx))
-					fprintf(stdout, "  CPU  ");
-				for (i = 0; i < min(CTL_STAT_LUN_BITS,
-				     ctx->num_luns); i++) {
-					int lun;
+				for (i = 0; i < min(CTL_STAT_BITS,
+				     ctx->cur_items); i++) {
+					int item;
 
 					/*
 					 * Obviously this won't work with
@@ -463,22 +437,23 @@
 					 * LUN numbers greater than a signed
 					 * integer.
 					 */
-					lun = (int)ctx->cur_lun_stats[i
-						].lun_number;
+					item = (int)ctx->cur_stats[i].item;
 
-					if (bit_test(ctx->lun_mask, lun) == 0)
+					if (F_MASK(ctx) &&
+					    bit_test(ctx->item_mask, item) == 0)
 						continue;
-					fprintf(stdout, "%15.6s%d ",
-						"lun", lun);
+					fprintf(stdout, "%15.6s%d %s",
+					    F_PORTS(ctx) ? "port" : "lun", item,
+					    (F_TIMEVAL(ctx) != 0) ? "     " : "");
 					hdr_devs++;
 				}
 				fprintf(stdout, "\n");
 			}
+			if (F_CPU(ctx))
+				fprintf(stdout, "    ");
 			for (i = 0; i < hdr_devs; i++)
-				fprintf(stdout, "%s  %sKB/t %s  MB/s ",
-					((F_CPU(ctx) != 0) && (i == 0) &&
-					(F_TOTALS(ctx) == 0)) ?  "       " : "",
-					(F_LUNVAL(ctx) != 0) ? " ms  " : "",
+				fprintf(stdout, "%s KB/t   %s MB/s",
+					(F_TIMEVAL(ctx) != 0) ? "    ms" : "",
 					(F_DMA(ctx) == 0) ? "tps" : "dps");
 			fprintf(stdout, "\n");
 			ctx->header_interval = 20;
@@ -485,6 +460,8 @@
 		}
 	}
 
+	if (F_CPU(ctx))
+		fprintf(stdout, "%3.0Lf%%", cpu_percentage);
 	if (F_TOTALS(ctx) != 0) {
 		long double mbsec[3];
 		long double kb_per_transfer[3];
@@ -499,45 +476,44 @@
 		memset(&ctx->cur_total_stats, 0, sizeof(ctx->cur_total_stats));
 
 		/* Use macros to make the next loop more readable. */
-#define	ADD_STATS_BYTES(st, p, i, j) \
-	ctx->cur_total_stats[st].ports[p].bytes[j] += \
-	    ctx->cur_lun_stats[i].ports[p].bytes[j]
-#define	ADD_STATS_OPERATIONS(st, p, i, j) \
-	ctx->cur_total_stats[st].ports[p].operations[j] += \
-	    ctx->cur_lun_stats[i].ports[p].operations[j]
-#define	ADD_STATS_NUM_DMAS(st, p, i, j) \
-	ctx->cur_total_stats[st].ports[p].num_dmas[j] += \
-	    ctx->cur_lun_stats[i].ports[p].num_dmas[j]
-#define	ADD_STATS_TIME(st, p, i, j) \
-	bintime_add(&ctx->cur_total_stats[st].ports[p].time[j], \
-	    &ctx->cur_lun_stats[i].ports[p].time[j])
-#define	ADD_STATS_DMA_TIME(st, p, i, j) \
-	bintime_add(&ctx->cur_total_stats[st].ports[p].dma_time[j], \
-	    &ctx->cur_lun_stats[i].ports[p].dma_time[j])
+#define	ADD_STATS_BYTES(st, i, j) \
+	ctx->cur_total_stats[st].bytes[j] += \
+	    ctx->cur_stats[i].bytes[j]
+#define	ADD_STATS_OPERATIONS(st, i, j) \
+	ctx->cur_total_stats[st].operations[j] += \
+	    ctx->cur_stats[i].operations[j]
+#define	ADD_STATS_DMAS(st, i, j) \
+	ctx->cur_total_stats[st].dmas[j] += \
+	    ctx->cur_stats[i].dmas[j]
+#define	ADD_STATS_TIME(st, i, j) \
+	bintime_add(&ctx->cur_total_stats[st].time[j], \
+	    &ctx->cur_stats[i].time[j])
+#define	ADD_STATS_DMA_TIME(st, i, j) \
+	bintime_add(&ctx->cur_total_stats[st].dma_time[j], \
+	    &ctx->cur_stats[i].dma_time[j])
 
-		for (i = 0; i < ctx->num_luns; i++) {
-			for (port = 0; port < CTL_MAX_PORTS; port++) {
-				for (j = 0; j < CTL_STATS_NUM_TYPES; j++) {
-					ADD_STATS_BYTES(2, port, i, j);
-					ADD_STATS_OPERATIONS(2, port, i, j);
-					ADD_STATS_NUM_DMAS(2, port, i, j);
-					ADD_STATS_TIME(2, port, i, j);
-					ADD_STATS_DMA_TIME(2, port, i, j);
-				}
-				ADD_STATS_BYTES(0, port, i, CTL_STATS_READ);
-				ADD_STATS_OPERATIONS(0, port, i,
-				    CTL_STATS_READ);
-				ADD_STATS_NUM_DMAS(0, port, i, CTL_STATS_READ);
-				ADD_STATS_TIME(0, port, i, CTL_STATS_READ);
-				ADD_STATS_DMA_TIME(0, port, i, CTL_STATS_READ);
+		for (i = 0; i < ctx->cur_items; i++) {
+			if (F_MASK(ctx) && bit_test(ctx->item_mask,
+			    (int)ctx->cur_stats[i].item) == 0)
+				continue;
+			for (j = 0; j < CTL_STATS_NUM_TYPES; j++) {
+				ADD_STATS_BYTES(2, i, j);
+				ADD_STATS_OPERATIONS(2, i, j);
+				ADD_STATS_DMAS(2, i, j);
+				ADD_STATS_TIME(2, i, j);
+				ADD_STATS_DMA_TIME(2, i, j);
+			}
+			ADD_STATS_BYTES(0, i, CTL_STATS_READ);
+			ADD_STATS_OPERATIONS(0, i, CTL_STATS_READ);
+			ADD_STATS_DMAS(0, i, CTL_STATS_READ);
+			ADD_STATS_TIME(0, i, CTL_STATS_READ);
+			ADD_STATS_DMA_TIME(0, i, CTL_STATS_READ);
 
-				ADD_STATS_BYTES(1, port, i, CTL_STATS_WRITE);
-				ADD_STATS_OPERATIONS(1, port, i,
-				    CTL_STATS_WRITE);
-				ADD_STATS_NUM_DMAS(1, port, i, CTL_STATS_WRITE);
-				ADD_STATS_TIME(1, port, i, CTL_STATS_WRITE);
-				ADD_STATS_DMA_TIME(1, port, i, CTL_STATS_WRITE);
-			}
+			ADD_STATS_BYTES(1, i, CTL_STATS_WRITE);
+			ADD_STATS_OPERATIONS(1, i, CTL_STATS_WRITE);
+			ADD_STATS_DMAS(1, i, CTL_STATS_WRITE);
+			ADD_STATS_TIME(1, i, CTL_STATS_WRITE);
+			ADD_STATS_DMA_TIME(1, i, CTL_STATS_WRITE);
 		}
 
 		for (i = 0; i < 3; i++) {
@@ -548,23 +524,18 @@
 				&ms_per_transfer[i], &ms_per_dma[i],
 				&dmas_per_sec[i]);
 			if (F_DMA(ctx) != 0)
-				fprintf(stdout, " %2.2Lf",
+				fprintf(stdout, " %5.1Lf",
 					ms_per_dma[i]);
-			else if (F_LUNVAL(ctx) != 0)
-				fprintf(stdout, " %2.2Lf",
+			else if (F_TIMEVAL(ctx) != 0)
+				fprintf(stdout, " %5.1Lf",
 					ms_per_transfer[i]);
-			fprintf(stdout, " %5.2Lf %3.0Lf %5.2Lf ",
+			fprintf(stdout, " %4.0Lf %5.0Lf %4.0Lf",
 				kb_per_transfer[i],
 				(F_DMA(ctx) == 0) ? transfers_per_sec[i] :
 				dmas_per_sec[i], mbsec[i]);
 		}
-		if (F_CPU(ctx))
-			fprintf(stdout, " %5.1Lf%%", cpu_percentage);
 	} else {
-		if (F_CPU(ctx))
-			fprintf(stdout, "%5.1Lf%% ", cpu_percentage);
-
-		for (i = 0; i < min(CTL_STAT_LUN_BITS, ctx->num_luns); i++) {
+		for (i = 0; i < min(CTL_STAT_BITS, ctx->cur_items); i++) {
 			long double mbsec, kb_per_transfer;
 			long double transfers_per_sec;
 			long double ms_per_transfer;
@@ -571,21 +542,28 @@
 			long double ms_per_dma;
 			long double dmas_per_sec;
 
-			if (bit_test(ctx->lun_mask,
-			    (int)ctx->cur_lun_stats[i].lun_number) == 0)
+			if (F_MASK(ctx) && bit_test(ctx->item_mask,
+			    (int)ctx->cur_stats[i].item) == 0)
 				continue;
-			compute_stats(&ctx->cur_lun_stats[i], F_FIRST(ctx) ?
-				NULL : &ctx->prev_lun_stats[i], etime,
-				&mbsec, &kb_per_transfer,
-				&transfers_per_sec, &ms_per_transfer,
-				&ms_per_dma, &dmas_per_sec);
+			for (j = 0; j < ctx->prev_items; j++) {
+				if (ctx->prev_stats[j].item ==
+				    ctx->cur_stats[i].item)
+					break;
+			}
+			if (j >= ctx->prev_items)
+				j = -1;
+			compute_stats(&ctx->cur_stats[i],
+			    j >= 0 ? &ctx->prev_stats[j] : NULL,
+			    etime, &mbsec, &kb_per_transfer,
+			    &transfers_per_sec, &ms_per_transfer,
+			    &ms_per_dma, &dmas_per_sec);
 			if (F_DMA(ctx))
-				fprintf(stdout, " %2.2Lf",
+				fprintf(stdout, " %5.1Lf",
 					ms_per_dma);
-			else if (F_LUNVAL(ctx) != 0)
-				fprintf(stdout, " %2.2Lf",
+			else if (F_TIMEVAL(ctx) != 0)
+				fprintf(stdout, " %5.1Lf",
 					ms_per_transfer);
-			fprintf(stdout, " %5.2Lf %3.0Lf %5.2Lf ",
+			fprintf(stdout, " %4.0Lf %5.0Lf %4.0Lf",
 				kb_per_transfer, (F_DMA(ctx) == 0) ?
 				transfers_per_sec : dmas_per_sec, mbsec);
 		}
@@ -597,9 +575,9 @@
 {
 	int c;
 	int count, waittime;
-	int set_lun;
 	int fd, retval;
 	struct ctlstat_context ctx;
+	struct ctl_io_stats *tmp_stats;
 
 	/* default values */
 	retval = 0;
@@ -638,23 +616,39 @@
 			int cur_lun;
 
 			cur_lun = atoi(optarg);
-			if (cur_lun > CTL_STAT_LUN_BITS)
+			if (cur_lun > CTL_STAT_BITS)
 				errx(1, "Invalid LUN number %d", cur_lun);
 
-			bit_ffs(ctx.lun_mask, CTL_STAT_LUN_BITS, &set_lun);
-			if (set_lun == -1)
+			if (!F_MASK(&ctx))
 				ctx.numdevs = 1;
 			else
 				ctx.numdevs++;
-			bit_set(ctx.lun_mask, cur_lun);
+			bit_set(ctx.item_mask, cur_lun);
+			ctx.flags |= CTLSTAT_FLAG_MASK;
+			ctx.flags |= CTLSTAT_FLAG_LUNS;
 			break;
 		}
 		case 'n':
 			ctx.numdevs = atoi(optarg);
 			break;
+		case 'p': {
+			int cur_port;
+
+			cur_port = atoi(optarg);
+			if (cur_port > CTL_STAT_BITS)
+				errx(1, "Invalid port number %d", cur_port);
+
+			if (!F_MASK(&ctx))
+				ctx.numdevs = 1;
+			else
+				ctx.numdevs++;
+			bit_set(ctx.item_mask, cur_port);
+			ctx.flags |= CTLSTAT_FLAG_MASK;
+			ctx.flags |= CTLSTAT_FLAG_PORTS;
+			break;
+		}
 		case 't':
 			ctx.flags |= CTLSTAT_FLAG_TOTALS;
-			ctx.numdevs = 3;
 			break;
 		case 'w':
 			waittime = atoi(optarg);
@@ -667,13 +661,17 @@
 		}
 	}
 
-	bit_ffs(ctx.lun_mask, CTL_STAT_LUN_BITS, &set_lun);
+	if (F_LUNS(&ctx) && F_PORTS(&ctx))
+		errx(1, "Options -p and -l are exclusive.");
 
-	if ((F_TOTALS(&ctx))
-	 && (set_lun != -1)) {
-		errx(1, "Total Mode (-t) is incompatible with individual "
-		     "LUN mode (-l)");
-	} else if (set_lun == -1) {
+	if (!F_LUNS(&ctx) && !F_PORTS(&ctx)) {
+		if (F_TOTALS(&ctx))
+			ctx.flags |= CTLSTAT_FLAG_PORTS;
+		else
+			ctx.flags |= CTLSTAT_FLAG_LUNS;
+	}
+
+	if (!F_TOTALS(&ctx) && !F_MASK(&ctx)) {
 		/*
 		 * Note that this just selects the first N LUNs to display,
 		 * but at this point we have no knoweledge of which LUN
@@ -680,8 +678,9 @@
 		 * numbers actually exist.  So we may select LUNs that
 		 * aren't there.
 		 */
-		bit_nset(ctx.lun_mask, 0, min(ctx.numdevs - 1,
-			 CTL_STAT_LUN_BITS - 1));
+		bit_nset(ctx.item_mask, 0, min(ctx.numdevs - 1,
+			 CTL_STAT_BITS - 1));
+		ctx.flags |= CTLSTAT_FLAG_MASK;
 	}
 
 	if ((fd = open(CTL_DEFAULT_DEV, O_RDWR)) == -1)
@@ -688,13 +687,19 @@
 		err(1, "cannot open %s", CTL_DEFAULT_DEV);
 
 	for (;count != 0;) {
-		ctx.tmp_lun_stats = ctx.prev_lun_stats;
-		ctx.prev_lun_stats = ctx.cur_lun_stats;
-		ctx.cur_lun_stats = ctx.tmp_lun_stats;
+		tmp_stats = ctx.prev_stats;
+		ctx.prev_stats = ctx.cur_stats;
+		ctx.cur_stats = tmp_stats;
+		c = ctx.prev_alloc;
+		ctx.prev_alloc = ctx.cur_alloc;
+		ctx.cur_alloc = c;
+		c = ctx.prev_items;
+		ctx.prev_items = ctx.cur_items;
+		ctx.cur_items = c;
 		ctx.prev_time = ctx.cur_time;
 		ctx.prev_cpu = ctx.cur_cpu;
-		if (getstats(fd, &ctx.num_luns, &ctx.cur_lun_stats,
-			     &ctx.cur_time, &ctx.flags) != 0)
+		if (getstats(fd, &ctx.cur_alloc, &ctx.cur_items,
+		    &ctx.cur_stats, &ctx.cur_time, &ctx.flags) != 0)
 			errx(1, "error returned from getstats()");
 
 		switch(ctx.mode) {



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