/*
- * Copyright (c) 1999-2009 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999-2016 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
- *
+ *
* "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource and read it before using
* this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License."
- *
+ *
* @APPLE_LICENSE_HEADER_END@
*/
/*
*
* 25-mar-99 A.Ramesh at Apple
* Ported to MacOS X
- *
+ *
* 22-Jan-09 R.Branche at Apple
- * Changed some fields to 64-bit to alleviate overflows
+ * Changed some fields to 64-bit to alleviate overflows
************************************************************************
*/
+#include <err.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <mach/mach.h>
+#include <mach/vm_page_size.h>
vm_statistics64_data_t vm_stat, last;
-natural_t percent;
-int delay;
char *pgmname;
mach_port_t myHost;
-vm_size_t pageSize = 4096; /* set to 4k default */
void usage(void);
void snapshot(void);
int
main(int argc, char *argv[])
{
+ double delay = 0.0;
+ int count = 0;
pgmname = argv[0];
- delay = 0;
-
setlinebuf (stdout);
- if (argc == 2) {
- if (sscanf(argv[1], "%d", &delay) != 1)
- usage();
- if (delay < 0)
+ int c;
+ while ((c = getopt (argc, argv, "c:")) != -1) {
+ switch (c) {
+ case 'c':
+ count = (int)strtol(optarg, NULL, 10);
+ if (count < 1) {
+ warnx("count must be positive");
+ usage();
+ }
+ break;
+ default:
+ usage();
+ break;
+ }
+ }
+
+ argc -= optind; argv += optind;
+
+ if (argc == 1) {
+ delay = strtod(argv[0], NULL);
+ if (delay < 0.0)
usage();
+ } else if (argc > 1) {
+ usage();
}
myHost = mach_host_self();
- if(host_page_size(mach_host_self(), &pageSize) != KERN_SUCCESS) {
- fprintf(stderr, "%s: failed to get pagesize; defaulting to 4K.\n", pgmname);
- pageSize = 4096;
- }
-
- if (delay == 0) {
+ if (delay == 0.0) {
snapshot();
- }
- else {
- while (1) {
+ } else {
+ print_stats();
+ for (int i = 1; i < count || count == 0; i++ ){
+ usleep((int)(delay * USEC_PER_SEC));
print_stats();
- sleep(delay);
}
}
exit(EXIT_SUCCESS);
void
usage(void)
{
- fprintf(stderr, "usage: %s [ repeat-interval ]\n", pgmname);
+ fprintf(stderr, "usage: %s [[-c count] interval]\n", pgmname);
exit(EXIT_FAILURE);
}
void
snapshot(void)
{
-
get_stats(&vm_stat);
- printf("Mach Virtual Memory Statistics: (page size of %d bytes)\n",
- (int) (pageSize));
+ printf("Mach Virtual Memory Statistics: (page size of %llu bytes)\n", (mach_vm_size_t)vm_kernel_page_size);
sspstat("Pages free:", (uint64_t) (vm_stat.free_count - vm_stat.speculative_count));
sspstat("Pages active:", (uint64_t) (vm_stat.active_count));
sspstat("Pages inactive:", (uint64_t) (vm_stat.inactive_count));
sspstat("Pages speculative:", (uint64_t) (vm_stat.speculative_count));
+ sspstat("Pages throttled:", (uint64_t) (vm_stat.throttled_count));
sspstat("Pages wired down:", (uint64_t) (vm_stat.wire_count));
+ sspstat("Pages purgeable:", (uint64_t) (vm_stat.purgeable_count));
sspstat("\"Translation faults\":", (uint64_t) (vm_stat.faults));
sspstat("Pages copy-on-write:", (uint64_t) (vm_stat.cow_faults));
sspstat("Pages zero filled:", (uint64_t) (vm_stat.zero_fill_count));
sspstat("Pages reactivated:", (uint64_t) (vm_stat.reactivations));
+ sspstat("Pages purged:", (uint64_t) (vm_stat.purges));
+ sspstat("File-backed pages:", (uint64_t) (vm_stat.external_page_count));
+ sspstat("Anonymous pages:", (uint64_t) (vm_stat.internal_page_count));
+ sspstat("Pages stored in compressor:", (uint64_t) (vm_stat.total_uncompressed_pages_in_compressor));
+ sspstat("Pages occupied by compressor:", (uint64_t) (vm_stat.compressor_page_count));
+ sspstat("Decompressions:", (uint64_t) (vm_stat.decompressions));
+ sspstat("Compressions:", (uint64_t) (vm_stat.compressions));
sspstat("Pageins:", (uint64_t) (vm_stat.pageins));
sspstat("Pageouts:", (uint64_t) (vm_stat.pageouts));
-#if defined(__ppc__) /* vm_statistics are still 32-bit on ppc */
- printf("Object cache: %u hits of %u lookups (%u%% hit rate)\n",
-#else
- printf("Object cache: %llu hits of %llu lookups (%u%% hit rate)\n",
-#endif
- vm_stat.hits, vm_stat.lookups, percent);
-
+ sspstat("Swapins:", (uint64_t) (vm_stat.swapins));
+ sspstat("Swapouts:", (uint64_t) (vm_stat.swapouts));
}
void
sspstat(char *str, uint64_t n)
{
- printf("%-25s %16llu.\n", str, n);
+ printf("%-30s %16llu.\n", str, n);
}
void
{
get_stats(&vm_stat);
printf("Mach Virtual Memory Statistics: ");
- printf("(page size of %d bytes, cache hits %u%%)\n",
- (int) (pageSize), percent);
- printf("%6s %6s %6s %8s %6s %8s %8s %8s %8s %8s %8s\n",
- "free",
- "active",
- "spec",
- "inactive",
- "wire",
- "faults",
- "copy",
- "0fill",
- "reactive",
- "pageins",
- "pageout");
+ printf("(page size of %llu bytes)\n", (mach_vm_size_t)vm_kernel_page_size);
+ printf("%8s %8s %8s %8s %8s %8s %8s %8s %8s %8s %8s %8s %11s %9s %8s %8s %8s %8s %8s %8s %8s %8s\n",
+ "free",
+ "active",
+ "specul",
+ "inactive",
+ "throttle",
+ "wired",
+ "prgable",
+ "faults",
+ "copy",
+ "0fill",
+ "reactive",
+ "purged",
+ "file-backed",
+ "anonymous",
+ "cmprssed",
+ "cmprssor",
+ "dcomprs",
+ "comprs",
+ "pageins",
+ "pageout",
+ "swapins",
+ "swapouts");
bzero(&last, sizeof(last));
}
count = 0;
get_stats(&vm_stat);
- pstat((uint64_t) (vm_stat.free_count - vm_stat.speculative_count), 6);
- pstat((uint64_t) (vm_stat.active_count), 6);
- pstat((uint64_t) (vm_stat.speculative_count), 6);
+ pstat((uint64_t) (vm_stat.free_count - vm_stat.speculative_count), 8);
+ pstat((uint64_t) (vm_stat.active_count), 8);
+ pstat((uint64_t) (vm_stat.speculative_count), 8);
pstat((uint64_t) (vm_stat.inactive_count), 8);
- pstat((uint64_t) (vm_stat.wire_count), 6);
+ pstat((uint64_t) (vm_stat.throttled_count), 8);
+ pstat((uint64_t) (vm_stat.wire_count), 8);
+ pstat((uint64_t) (vm_stat.purgeable_count), 8);
pstat((uint64_t) (vm_stat.faults - last.faults), 8);
pstat((uint64_t) (vm_stat.cow_faults - last.cow_faults), 8);
pstat((uint64_t) (vm_stat.zero_fill_count - last.zero_fill_count), 8);
pstat((uint64_t) (vm_stat.reactivations - last.reactivations), 8);
+ pstat((uint64_t) (vm_stat.purges - last.purges), 8);
+ pstat((uint64_t) (vm_stat.external_page_count), 11);
+ pstat((uint64_t) (vm_stat.internal_page_count), 9);
+ pstat((uint64_t) (vm_stat.total_uncompressed_pages_in_compressor), 8);
+ pstat((uint64_t) (vm_stat.compressor_page_count), 8);
+ pstat((uint64_t) (vm_stat.decompressions - last.decompressions), 8);
+ pstat((uint64_t) (vm_stat.compressions - last.compressions), 8);
pstat((uint64_t) (vm_stat.pageins - last.pageins), 8);
pstat((uint64_t) (vm_stat.pageouts - last.pageouts), 8);
+ pstat((uint64_t) (vm_stat.swapins - last.swapins), 8);
+ pstat((uint64_t) (vm_stat.swapouts - last.swapouts), 8);
putchar('\n');
last = vm_stat;
}
width = sizeof(buf) -1;
}
- unsigned long long nb = n * (unsigned long long)pageSize;
-
/* Now that we have the speculative field, there is really not enough
space, but we were actually overflowing three or four fields before
anyway. So any field that overflows we drop some insignifigant
get_stats(vm_statistics64_t stat)
{
unsigned int count = HOST_VM_INFO64_COUNT;
- if (host_statistics64(myHost, HOST_VM_INFO64, (host_info64_t)stat, &count) != KERN_SUCCESS) {
- fprintf(stderr, "%s: failed to get statistics.\n", pgmname);
+ kern_return_t ret;
+ if ((ret = host_statistics64(myHost, HOST_VM_INFO64, (host_info64_t)stat, &count) != KERN_SUCCESS)) {
+ fprintf(stderr, "%s: failed to get statistics. error %d\n", pgmname, ret);
exit(EXIT_FAILURE);
}
- if (stat->lookups == 0)
- percent = 0;
- else {
- /*
- * We have limited precision with the 32-bit natural_t fields
- * in the vm_statistics structure. There's nothing we can do
- * about counter overflows, but we can avoid percentage
- * calculation overflows by doing the computation in floating
- * point arithmetic ...
- */
- percent = (natural_t)(((double)stat->hits*100)/stat->lookups);
- }
}
projects / apple / system_cmds.git / blobdiff