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freemangordon is offline freemangordon
2012-11-16 , 20:09
Posts: 3,074 | Thanked: 12,961 times | Joined on Mar 2010 @ Sofia,Bulgaria
#61
Originally Posted by reinob View Post
... and 48k doesn't sound like much.


Hmm, maybe you'll want to re-read my post again :P . It leaks ~16k on every swipe to unlock and if you unlock your device 5-10 times per hour (like I do), at the end of the day we'll have ~1MB of leaked memory. After 3 days of uptime, systemui on my device was eating about 7MB of heap. That's pretty high leak by all measurements.

TBH I don't think h-d and h-h leak by themselves, I'll put my bet on some buggy widget

ARM RE is the same (in principle) as x86 RE. The problem is that there is no HexRays for ARM. At least in IDA on TPB
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Last edited by freemangordon; 2012-11-16 at 20:11. Reason: typo
 

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don_falcone is offline don_falcone
2012-11-16 , 20:36
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#62
Now it looks like Maemo leaks more that a sick hooker.
 

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reinob is offline reinob
2012-11-16 , 20:38
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#63
Originally Posted by freemangordon View Post


Hmm, maybe you'll want to re-read my post again :P . It leaks ~16k on every swipe to unlock and if you unlock your device 5-10 times per hour (like I do), at the end of the day we'll have ~1MB of leaked memory. After 3 days of uptime, systemui on my device was eating about 7MB of heap. That's pretty high leak by all measurements.
But this is only when you actually use the swipe-to-unlock?! I never use it (the N900 has a hardware spring-loaded switch to do that, in case you haven't seen it

ARM RE is the same (in principle) as x86 RE. The problem is that there is no HexRays for ARM. At least in IDA on TPB
Oh. I'm much more old-fashioed than that (OK, more "cracking" than actual RE). Until the Pentium I just used a hex editor (I think around that time, early 90s, the first version of IDA appeared).

That was obviously only useful to change a bit here and there, but not for solving memory leaks
 

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freemangordon is offline freemangordon
2012-11-16 , 21:42
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#64
Originally Posted by reinob View Post
But this is only when you actually use the swipe-to-unlock?! I never use it (the N900 has a hardware spring-loaded switch to do that, in case you haven't seen it
I've seen it . It is just that usually I hold my n900 with one hand, using side unlock switch that way is uncomfortable, not to say impossible.

Oh. I'm much more old-fashioed than that (OK, more "cracking" than actual RE). Until the Pentium I just used a hex editor (I think around that time, early 90s, the first version of IDA appeared).

That was obviously only useful to change a bit here and there, but not for solving memory leaks
yeah, binary editing is a different kind of beer, what we want here is a good source code to be put in CSSU. Not saying it is impossible to be done without hexrays (I did it for facebook-whatever-the-name-was), it is just much harder and time-consuming
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freemangordon is offline freemangordon
2012-11-16 , 21:44
Posts: 3,074 | Thanked: 12,961 times | Joined on Mar 2010 @ Sofia,Bulgaria
#65
Originally Posted by don_falcone View Post
Now it looks like Maemo leaks more that a sick hooker.
It could be worse

http://mg.pov.lt/maemo-irclog/%23mae...11-16T23:26:44
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Last edited by freemangordon; 2012-11-16 at 22:14.
 

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peterleinchen is offline peterleinchen
2012-11-16 , 22:07
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#66
Hey reinob,

you did that script on an Ubuntu laptop, right?
ps on our N900 does not know of ps -o (neither stock nor power).
So Imodified:
# open(FH, "ps -eo vsz,command |");
open(FH, "ps | awk \'{print \$3\" \"\$5}\' |");
but now getting non numeric errors, like
Argument "102m" isn't numeric in addition (+) at my/checkVSZ.perl line 44, <FH> line 14885.

If you could do some pimping, please (I am bad, very bad in perl)?
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reinob is offline reinob
2012-11-16 , 22:34
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#67
Originally Posted by peterleinchen View Post
you did that script on an Ubuntu laptop, right?
But I've tested it on my N900 (with busybox-power). I'll check it, but probably you won't hear from me until monday!

Add.: my /bin/ps is the one from package procps!!

Add.: there's also sp-memusage package with mem-monitor and mem-monitor-smaps tool. The latter can monitor only a single procress, but gives more detailed information!
Last edited by reinob; 2012-11-17 at 11:29.
 

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freemangordon is offline freemangordon
2012-11-19 , 08:34
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#68
Does the silence here means that everything works or that noone uses that? :P
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reinob is offline reinob
2012-11-19 , 09:14
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#69
Originally Posted by freemangordon View Post
Does the silence here means that everything works or that noone uses that? :P
Shhhh.. they are all sleeping!
 

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peterleinchen is offline peterleinchen
2012-11-19 , 09:15
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#70
Hey, it was weekend
And today one day off
Still loaded (latest version) and will report back, But takes some time ...

And as long as there is silence, there is no alarm (scheduled) or everything is working fine.
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Last edited by peterleinchen; 2012-11-19 at 09:24.
 

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