diff options
Diffstat (limited to 'vm/vm_page.c')
| -rw-r--r-- | vm/vm_page.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/vm/vm_page.c b/vm/vm_page.c index 9a7fa275..fa61af85 100644 --- a/vm/vm_page.c +++ b/vm/vm_page.c @@ -2086,3 +2086,46 @@ vm_page_wait(void (*continuation)(void)) thread_block((void (*)(void)) 0); } } + +#if MACH_KDB +#include <ddb/db_output.h> +#define PAGES_PER_MB ((1<<20) / PAGE_SIZE) +void db_show_vmstat(void) +{ + integer_t free_count = vm_page_mem_free(); + + db_printf("%-20s %10uM\n", "size:", + (free_count + vm_page_active_count + + vm_page_inactive_count + vm_page_wire_count) + / PAGES_PER_MB); + + db_printf("%-20s %10uM\n", "free:", + free_count / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "active:", + vm_page_active_count / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "inactive:", + vm_page_inactive_count / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "wired:", + vm_page_wire_count / PAGES_PER_MB); + + db_printf("%-20s %10uM\n", "zero filled:", + vm_stat.zero_fill_count / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "reactivated:", + vm_stat.reactivations / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "pageins:", + vm_stat.pageins / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "pageouts:", + vm_stat.pageouts / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "page faults:", + vm_stat.faults / PAGES_PER_MB); + db_printf("%-20s %10uM\n", "cow faults:", + vm_stat.cow_faults / PAGES_PER_MB); + db_printf("%-20s %10u%\n", "memobj hit ratio:", + (vm_stat.hits * 100) / vm_stat.lookups); + + db_printf("%-20s %10u%\n", "cached_memobjs", + vm_object_external_count); + db_printf("%-20s %10uM\n", "cache", + vm_object_external_pages / PAGES_PER_MB); +} +#endif /* MACH_KDB */ |