Disabling prelink in software builds
Martin Langhoff
martin.langhoff at gmail.com
Tue May 17 16:07:31 EDT 2011
On Tue, May 17, 2011 at 3:58 PM, John Gilmore <gnu at toad.com> wrote:
> Measurements made immediately after booting, when there's little or no
> memory pressure, won't tell you anything about this aspect of prelink.
> You have to look at /proc/XXXXXX/smaps in a running system that IS
> under memory pressure, to notice that much more of the memory of the
> inactive processes has been released from DRAM, than in a
> non-prelinked system under memory pressure.
Good point. As a testing method, so should we ... ?
- boot to Sugar
- open browse
- login to gmail or a similarly heavy modern webapp
- log output of ps_mem.py (which uses smaps)
Or is there an equivalent of ps_mem.py that will give us better
interesting numbers to compare?
Should we ... ?
- boot to Sugar
- open activities until we OOM - logging how far we get
cheers,
m
--
martin.langhoff at gmail.com
martin at laptop.org -- Software Architect - OLPC
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