Date: Tue, 15 Jan 2013 18:00:57 +0400 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: David Chisnall <theraven@theravensnest.org> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: [PATCH] Add rusage reporting to procstat Message-ID: <20130115140057.GA67643@zxy.spb.ru> In-Reply-To: <8815BAF7-3B4C-4EBD-A332-AF58BE644DDF@theravensnest.org> References: <201301141639.17783.jhb@freebsd.org> <20130115134735.GA7708@zxy.spb.ru> <8815BAF7-3B4C-4EBD-A332-AF58BE644DDF@theravensnest.org>
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On Tue, Jan 15, 2013 at 01:49:01PM +0000, David Chisnall wrote:
> On 15 Jan 2013, at 13:47, Slawa Olhovchenkov wrote:
>
> > maximum RSS -- 3328 _bytes_? You kidding.
>
> I think this is a bug in our getrusage. I've seen similar (<4KB)
> things in a program that mmap()s 12KB of input, allocates a load of
> heap memory for metadata, uses a bunch of stack, and then exits.
> I find it is quite odd that the figure isn't a multiple of the page
> size, because the resident set can't be anything other than an
> integer number of pages..
man getrusage
ru_maxrss the maximum resident set size utilized (in kilobytes).
Dimensions of the other fields may be also wrong.
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