From a31c9394f3f47b27cb4c1d84d40c4b75ff73fd1e Mon Sep 17 00:00:00 2001
From: Thorsten Lockert <tholo@cvs.openbsd.org>
Date: Tue, 20 Feb 1996 04:48:37 +0000
Subject: Support getting interrupts per device on the i386 platform, similar
 to implementation on pc532

---
 usr.bin/vmstat/vmstat.c | 86 ++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 64 insertions(+), 22 deletions(-)

(limited to 'usr.bin')

diff --git a/usr.bin/vmstat/vmstat.c b/usr.bin/vmstat/vmstat.c
index 50f34de99df..2ad30c48afd 100644
--- a/usr.bin/vmstat/vmstat.c
+++ b/usr.bin/vmstat/vmstat.c
@@ -105,11 +105,11 @@ struct nlist namelist[] = {
 	{ "_bucket" },
 #define X_ALLEVENTS	14
 	{ "_allevents" },
+#define	X_FORKSTAT	15
+	{ "_forkstat" },
 #ifdef notdef
-#define	X_DEFICIT	15
+#define	X_DEFICIT	16
 	{ "_deficit" },
-#define	X_FORKSTAT	16
-	{ "_forkstat" },
 #define X_REC		17
 	{ "_rectime" },
 #define X_PGIN		18
@@ -118,7 +118,7 @@ struct nlist namelist[] = {
 	{ "_xstats" },
 #define X_END		20
 #else
-#define X_END		15
+#define X_END		16
 #endif
 #if defined(hp300) || defined(luna68k)
 #define	X_HPDINIT	(X_END)
@@ -139,6 +139,12 @@ struct nlist namelist[] = {
 #if defined(pc532)
 #define	X_IVT		(X_END)
 	{ "_ivt" },
+#endif
+#if defined(i386)
+#define	X_INTRHAND	(X_END)
+	{ "_intrhand" },
+#define	X_INTRSTRAY	(X_END+1)
+	{ "_intrstray" },
 #endif
 	{ "" },
 };
@@ -167,9 +173,7 @@ kvm_t *kd;
 
 void	cpustats(), dkstats(), dointr(), domem(), dosum();
 void	dovmstat(), kread(), usage();
-#ifdef notdef
 void	dotimes(), doforkst();
-#endif
 
 main(argc, argv)
 	register int argc;
@@ -210,11 +214,9 @@ main(argc, argv)
 		case 's':
 			todo |= SUMSTAT;
 			break;
-#ifndef notdef
 		case 't':
 			todo |= TIMESTAT;
 			break;
-#endif
 		case 'w':
 			interval = atoi(optarg);
 			break;
@@ -286,18 +288,14 @@ main(argc, argv)
 	} else if (reps)
 		interval = 1;
 
-#ifdef notdef
 	if (todo & FORKSTAT)
 		doforkst();
-#endif
 	if (todo & MEMSTAT)
 		domem();
 	if (todo & SUMSTAT)
 		dosum();
-#ifdef notdef
 	if (todo & TIMESTAT)
 		dotimes();
-#endif
 	if (todo & INTRSTAT)
 		dointr();
 	if (todo & VMSTAT)
@@ -505,25 +503,28 @@ needhdr()
 	hdrcnt = 1;
 }
 
-#ifdef notdef
 void
 dotimes()
 {
 	u_int pgintime, rectime;
 
+#ifdef NEWVM
+	pgintime = 0;
+	rectime = 0;
+#else
 	kread(X_REC, &rectime, sizeof(rectime));
 	kread(X_PGIN, &pgintime, sizeof(pgintime));
+#endif
 	kread(X_SUM, &sum, sizeof(sum));
-	(void)printf("%u reclaims, %u total time (usec)\n",
-	    sum.v_pgrec, rectime);
-	(void)printf("average: %u usec / reclaim\n", rectime / sum.v_pgrec);
+	(void)printf("%u reactivates, %u total time (usec)\n",
+	    sum.v_reactivated, rectime);
+	(void)printf("average: %u usec / reclaim\n", rectime / sum.v_reactivated);
 	(void)printf("\n");
 	(void)printf("%u page ins, %u total time (msec)\n",
-	    sum.v_pgin, pgintime / 10);
+	    sum.v_pageins, pgintime / 10);
 	(void)printf("average: %8.1f msec / page in\n",
-	    pgintime / (sum.v_pgin * 10.0));
+	    pgintime / (sum.v_pageins * 10.0));
 }
-#endif
 
 pct(top, bot)
 	long top, bot;
@@ -647,7 +648,6 @@ dosum()
 #endif
 }
 
-#ifdef notdef
 void
 doforkst()
 {
@@ -657,9 +657,10 @@ doforkst()
 	(void)printf("%d forks, %d pages, average %.2f\n",
 	    fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
 	(void)printf("%d vforks, %d pages, average %.2f\n",
-	    fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / fks.cntvfork);
+	    fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / (fks.cntvfork ? fks.cntvfork : 1));
+	(void)printf("%d rforks, %d pages, average %.2f\n",
+	    fks.cntrfork, fks.sizrfork, (double)fks.sizrfork / (fks.cntrfork ? fks.cntrfork : 1));
 }
-#endif
 
 void
 dkstats()
@@ -744,6 +745,47 @@ dointr()
 		    inttotal, inttotal / uptime);
 	}
 }
+#elif defined(i386)
+/* To get struct intrhand */
+#define _KERNEL
+#include <machine/psl.h>
+#undef _KERNEL
+void
+dointr()
+{
+	struct intrhand *intrhand[16], *ihp, ih;
+	long inttotal, uptime;
+	int intrstray[16];
+	char iname[17];
+	int i;
+
+	iname[16] = '\0';
+	uptime = getuptime();
+	kread(X_INTRHAND, intrhand, sizeof(intrhand));
+	kread(X_INTRSTRAY, intrstray, sizeof(intrstray));
+
+	(void)printf("interrupt           total     rate\n");
+	inttotal = 0;
+	for (i = 0; i < 16; i++) {
+		ihp = intrhand[i];
+		while (ihp) {
+			if (kvm_read(kd, (u_long)ihp, &ih, sizeof(ih)) != sizeof(ih))
+				errx(1, "vmstat: ih: %s", kvm_geterr(kd));
+			if (kvm_read(kd, (u_long)ih.ih_what, iname, 16) != 16)
+				errx(1, "vmstat: ih_what: %s", kvm_geterr(kd));
+			printf("%-16.16s %8ld %8ld\n", iname, ih.ih_count, ih.ih_count / uptime);
+			inttotal += ih.ih_count;
+			ihp = ih.ih_next;
+		}
+	}
+	for (i = 0; i < 16; i++)
+		if (intrstray[i]) {
+			printf("Stray irq %-2d     %8ld %8ld\n",
+			       i, intrstray[i], intrstray[i] / uptime);
+			inttotal += intrstray[i];
+		}
+	printf("Total            %8ld %8ld\n", inttotal, inttotal / uptime);
+}
 #else
 void
 dointr()
-- 
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