From: Gabriele Svelto <gsve...@mozilla.com>
Subject: Re: [b2g] Terrible battery life on my Flame, possibly due to ksmd
Date: Wed, 04 Jun 2014 08:46:29 +0200
> On 04/06/2014 04:01, Nicholas Nethercote wrote:
>> AFAIK "ksm" stands for "kernel samepage merging" but I bet we're
>> talking about the same thing.
>
> Sounds like it. That thing runs every minute by default and scans all
> memory to merge identical pages. It's really something meant for servers
> running lots of identical apps that do not share memory by default (such
> as VMs) so it's got no business on a phone (especially after Nuwa landed).
So, it sounds like why my flame ate half of battry over night. I find
my flame does not go to sleep too. I don't see any wake lock held,
/sys/power/wake_lock, but the following command is never stopped even
after unplugging the usb socket.
while sleep 3; do echo 1 >> /data/test; done&
_______________________________________________
dev-b2g mailing list
dev-b2g@lists.mozilla.org
https://lists.mozilla.org/listinfo/dev-b2g
