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[PATCH] Report page cache size
From: |
Richard Braun |
Subject: |
[PATCH] Report page cache size |
Date: |
Tue, 17 Jul 2012 23:09:58 +0200 |
* rootdir.c: Add #include <mach/mach4.h>.
(rootdir_gc_meminfo): Call vm_cache_statistics() and report the result.
---
rootdir.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/rootdir.c b/rootdir.c
index 1fa71b0..c24585e 100644
--- a/rootdir.c
+++ b/rootdir.c
@@ -20,6 +20,7 @@
#include <mach/vm_param.h>
#include <mach/vm_statistics.h>
#include <mach/default_pager.h>
+#include <mach/mach4.h>
#include <hurd/paths.h>
#include <stdio.h>
#include <unistd.h>
@@ -263,6 +264,7 @@ rootdir_gc_meminfo (void *hook, char **contents, ssize_t
*contents_len)
host_basic_info_data_t hbi;
mach_msg_type_number_t cnt;
struct vm_statistics vmstats;
+ struct vm_cache_statistics cachestats;
default_pager_info_t swap;
error_t err;
@@ -270,6 +272,10 @@ rootdir_gc_meminfo (void *hook, char **contents, ssize_t
*contents_len)
if (err)
return EIO;
+ err = vm_cache_statistics (mach_task_self (), &cachestats);
+ if (err)
+ return EIO;
+
cnt = HOST_BASIC_INFO_COUNT;
err = host_info (mach_host_self (), HOST_BASIC_INFO, (host_info_t) &hbi,
&cnt);
if (err)
@@ -294,7 +300,7 @@ rootdir_gc_meminfo (void *hook, char **contents, ssize_t
*contents_len)
(long unsigned) hbi.memory_size / 1024,
(long unsigned) vmstats.free_count * PAGE_SIZE / 1024,
0,
- 0,
+ (long unsigned) cachestats.page_count * PAGE_SIZE / 1024,
(long unsigned) vmstats.active_count * PAGE_SIZE / 1024,
(long unsigned) vmstats.inactive_count * PAGE_SIZE / 1024,
(long unsigned) vmstats.wire_count * PAGE_SIZE / 1024,
--
1.7.10.4
- Page cache accounting and policy, new Debian packages, (continued)
Re: [PATCH] VM cache policy change., Samuel Thibault, 2012/07/15
[PATCH] Page cache accounting, Richard Braun, 2012/07/14
Re: [PATCH] Page cache accounting, Richard Braun, 2012/07/17
- [PATCH] Report page cache size,
Richard Braun <=