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: comex <email@hidden>
- Date: Tue, 24 Apr 2012 18:42:27 -0400
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 miblen = sizeof(mib) / sizeof(int);
> struct vmmeter vmmeter;
> size_t len = sizeof(vmmeter);
> 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
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