diff options
Diffstat (limited to 'usr.bin/vmstat')
-rw-r--r-- | usr.bin/vmstat/Makefile | 4 | ||||
-rw-r--r-- | usr.bin/vmstat/vmstat.c | 115 |
2 files changed, 96 insertions, 23 deletions
diff --git a/usr.bin/vmstat/Makefile b/usr.bin/vmstat/Makefile index da2a08d..21795e9 100644 --- a/usr.bin/vmstat/Makefile +++ b/usr.bin/vmstat/Makefile @@ -3,7 +3,7 @@ PROG= vmstat MAN= vmstat.8 -DPADD= ${LIBDEVSTAT} ${LIBKVM} -LDADD= -ldevstat -lkvm +DPADD= ${LIBDEVSTAT} ${LIBKVM} ${LIBMEMSTAT} +LDADD= -ldevstat -lkvm -lmemstat .include <bsd.prog.mk> diff --git a/usr.bin/vmstat/vmstat.c b/usr.bin/vmstat/vmstat.c index 9ee2c36..d0eedbe 100644 --- a/usr.bin/vmstat/vmstat.c +++ b/usr.bin/vmstat/vmstat.c @@ -67,6 +67,7 @@ __FBSDID("$FreeBSD$"); #include <errno.h> #include <kvm.h> #include <limits.h> +#include <memstat.h> #include <nlist.h> #include <paths.h> #include <stdio.h> @@ -153,7 +154,6 @@ static void doforkst(void); static void domem(void); static void dointr(void); static void dosum(void); -static void dosysctl(const char *); static void dovmstat(unsigned int, int); static void dozmem(void); static void kread(int, void *, size_t); @@ -898,6 +898,97 @@ dointr(void) } /* + * Query libmemstat(3) for information on malloc(9). + */ +static void +domemstat_malloc(void) +{ + struct memory_type_list *mtlp; + struct memory_type *mtp; + int first, i; + + mtlp = memstat_mtl_alloc(); + if (mtlp == NULL) { + warn("memstat_mtl_alloc"); + return; + } + + if (memstat_sysctl_malloc(mtlp, 0) < 0) { + warnx("memstat_sysctl_malloc: %s", + memstat_strerror(memstat_mtl_geterror(mtlp))); + return; + } + + printf("\n"); + printf("%13s %5s %6s %7s %8s Size(s)\n", "Type", "InUse", "MemUse", + "HighUse", "Requests"); + + for (mtp = memstat_mtl_first(mtlp); mtp != NULL; + mtp = memstat_mtl_next(mtp)) { + if (memstat_get_numallocs(mtp) == 0 && + memstat_get_count(mtp) == 0) + continue; + printf("%13s %5lld %5lldK %7s %8lld ", + memstat_get_name(mtp), memstat_get_count(mtp), + ((int64_t)memstat_get_bytes(mtp) + 1023) / 1024, "-", + memstat_get_numallocs(mtp)); + + first = 1; + for (i = 0; i < 32; i++) { + if (memstat_get_sizemask(mtp) & (1 << i)) { + if (!first) + printf(","); + printf("%d", 1 << (i + 4)); + first = 0; + } + } + printf("\n"); + } + + memstat_mtl_free(mtlp); +} + +/* + * Query libmemstat(3) for information on uma(9). + */ +static void +domemstat_zone(void) +{ + struct memory_type_list *mtlp; + struct memory_type *mtp; + char name[MEMTYPE_MAXNAME + 1]; + + mtlp = memstat_mtl_alloc(); + if (mtlp == NULL) { + warn("memstat_mtl_alloc"); + return; + } + + if (memstat_sysctl_uma(mtlp, 0) < 0) { + warnx("memstat_sysctl_uma: %s", + memstat_strerror(memstat_mtl_geterror(mtlp))); + return; + } + + printf("\n"); + printf("%-15s %-8s %-9s %-7s %-5s %-8s\n\n", "ITEM", "SIZE", "LIMIT", + "USED", "FREE", "REQUESTS"); + + for (mtp = memstat_mtl_first(mtlp); mtp != NULL; + mtp = memstat_mtl_next(mtp)) { + strlcpy(name, memstat_get_name(mtp), MEMTYPE_MAXNAME); + strcat(name, ":"); + printf("%-15s %4llu, %8llu, %7llu, %6llu, %8llu\n", name, + memstat_get_size(mtp), memstat_get_countlimit(mtp), + memstat_get_count(mtp), memstat_get_free(mtp), + memstat_get_numallocs(mtp)); + } + + memstat_mtl_free(mtlp); + printf("\n"); +} + +/* * domem() replicates the kernel implementation of kern.malloc by inspecting * kernel data structures, which is appropriate for use on a core dump. * domem() must identify the set of malloc types, walk the list, and coalesce @@ -915,7 +1006,7 @@ domem(void) int i; if (kd == NULL) { - dosysctl("kern.malloc"); + domemstat_malloc(); return; } kread(X_KMEMSTATS, &type.ks_next, sizeof(type.ks_next)); @@ -991,25 +1082,7 @@ dozmem(void) { if (kd != NULL) errx(1, "not implemented"); - dosysctl("vm.zone"); -} - -static void -dosysctl(const char *name) -{ - char *buf; - size_t bufsize; - - for (buf = NULL, bufsize = 1024; ; bufsize *= 2) { - if ((buf = realloc(buf, bufsize)) == NULL) - err(1, "realloc()"); - bufsize--; /* Leave space for the kern.malloc fixup. */ - if (mysysctl(name, buf, &bufsize, NULL, 0) == 0) - break; - } - buf[bufsize] = '\0'; /* Fix up kern.malloc not returning a string. */ - (void)printf("%s", buf); - free(buf); + domemstat_zone(); } /* |