diff options
| author | Robert Watson <rwatson@FreeBSD.org> | 2005-10-20 17:41:47 +0000 |
|---|---|---|
| committer | Robert Watson <rwatson@FreeBSD.org> | 2005-10-20 17:41:47 +0000 |
| commit | 909ed16c2be3fa7edce014d28c8888f84f8c37f1 (patch) | |
| tree | ccd654d68d8df3b9957f547fd75e54ac06c2920a /sys/kern/kern_malloc.c | |
| parent | d51c226b583d61aa4d4ed6fdaa827d94a82529d4 (diff) | |
Notes
Diffstat (limited to 'sys/kern/kern_malloc.c')
| -rw-r--r-- | sys/kern/kern_malloc.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/kern/kern_malloc.c b/sys/kern/kern_malloc.c index 2171817e8a6a..3cb720d8bb55 100644 --- a/sys/kern/kern_malloc.c +++ b/sys/kern/kern_malloc.c @@ -34,6 +34,7 @@ #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include "opt_ddb.h" #include "opt_vm.h" #include <sys/param.h> @@ -69,6 +70,8 @@ __FBSDID("$FreeBSD$"); #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_PROC(_kern, OID_AUTO, malloc_stats, CTLFLAG_RD|CTLTYPE_STRUCT, 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 |