Date: Thu, 20 Oct 2005 17:42:18 GMT From: Robert Watson <rwatson@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 85603 for review Message-ID: <200510201742.j9KHgIMu016561@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=85603 Change 85603 by rwatson@rwatson_zoo on 2005/10/20 17:42:11 Add "show malloc" to DDB. Affected files ... .. //depot/projects/trustedbsd/audit3/sys/kern/kern_malloc.c#5 edit Differences ... ==== //depot/projects/trustedbsd/audit3/sys/kern/kern_malloc.c#5 (text+ko) ==== @@ -34,6 +34,7 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD: src/sys/kern/kern_malloc.c,v 1.146 2005/08/02 20:03:23 ru Exp $"); +#include "opt_ddb.h" #include "opt_vm.h" #include <sys/param.h> @@ -69,6 +70,8 @@ #include <machine/cpu.h> #endif +#include <ddb/ddb.h> + /* * When realloc() is called, if the new size is sufficiently smaller than * the old size, realloc() will allocate a new, smaller block to avoid @@ -813,6 +816,30 @@ SYSCTL_INT(_kern, OID_AUTO, malloc_count, CTLFLAG_RD, &kmemcount, 0, "Count of kernel malloc types"); +#ifdef DDB +DB_SHOW_COMMAND(malloc, db_show_malloc) +{ + struct malloc_type_internal *mtip; + struct malloc_type *mtp; + u_int64_t allocs, frees; + int i; + + db_printf("%18s %12s %12s %12s\n", "Type", "Allocs", "Frees", + "Used"); + for (mtp = kmemstatistics; mtp != NULL; mtp = mtp->ks_next) { + mtip = (struct malloc_type_internal *)mtp->ks_handle; + allocs = 0; + frees = 0; + for (i = 0; i < MAXCPU; i++) { + allocs += mtip->mti_stats[i].mts_numallocs; + frees += mtip->mti_stats[i].mts_numfrees; + } + db_printf("%18s %12llu %12llu %12llu\n", mtp->ks_shortdesc, + allocs, frees, allocs - frees); + } +} +#endif + #ifdef MALLOC_PROFILE static int
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