Re: How to get nbr of resident pages
Re: How to get nbr of resident pages
- Subject: Re: How to get nbr of resident pages
- From: "Gerriet M. Denkmann" <email@hidden>
- Date: Thu, 26 Apr 2012 21:51:47 +0700
On 25 Apr 2012, at 05:42, comex wrote:
> On Sat, Apr 21, 2012 at 3:10 AM, Gerriet M. Denkmann
> <email@hidden> wrote:
>> I thought that vmmeter.v_wire_count + vmmeter .v_active_count would be the answer.
>>
>> So I tried:
>> int mib[] = { CTL_VM, VM_METER };
>> [...]
>> int res = sysctl(mib, miblen, &vmmeter, &len, NULL, 0);
>>
>> But got: errno = 2 = "No such file or directory"
>>
>> So: How do I get the number of resident pages of all processes?
>
> VM_METER doesn't seem to be implemented in xnu, but top, which reports
> this information, uses a different call:
>
> kr = host_statistics(libtop_port, HOST_VM_INFO,
> (host_info_t)&tsamp->vm_stat, &count);
>
> - http://www.opensource.apple.com/source/top/top-73/libtop.c
Thanks! This is exactly what I needed.
Gerriet.
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