El sáb., 15 ago. 2020 a las 14:58, Chris Murphy (<lists@xxxxxxxxxxxxxxxxx>) escribió:
On Sat, Aug 15, 2020 at 11:54 AM Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
>
> On Sat, Aug 15, 2020 at 11:09 AM Sergio Belkin <sebelk@xxxxxxxxx> wrote:
> >
> >
> >
> > > However swap usage is still high :
> > > free -m
> > > total used free shared buff/cache available
> > > Mem: 15887 8577 1187 4587 6123 2382
> > > Swap: 4095 3854 241
> > >
> > > It's weird, isn't it?
> >
> > >> It's consistent. Only ~240 MB of 900M for PK had been evicted to swap.
> > >> When restarting PK, it dropped those 240MB in swap. Free memory also
> > >> went up no doubt. I don't know why it's using so much memory, what all
> > >> these anonymous pages are. If you catch it going above 500M, check
> > >> /proc/pid/status and let's see what the breakdown is of memory usage.
> >
> > Ok but smem tell me that around 300M is swap used, and the ~3.5G remaining???
> > Is there a way to find the culprit processes?
> > Thanks in advance!
>
> I'm not familiar enough with smem to know what it does or why it's
> missing things, but
>
> for file in /proc/*/status ; do awk '/VmSwap|Name/{printf $2 "
> "$3}END{ print ""}' $file; done | sort -k 2 -n -r | less
>
> Finds more things using swap than smem. As in, smem isn't showing
> packagekitd for me at all, and yet /proc/pid/status for pk is showing
> VmSwap is 16M, which at the moment is 20% of swap.
>
> What do you get for zramctl?
Ok for some reason 'sudo' gets me different results with smem. Try this:
sudo smem -t --sort swap
--
Chris Murphy
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Oops, sorry I've read this a bit late... but I tell you what I did and HTH someone:
I Closed app by app: firefox, two lxc containers, etc and then I logged out (no reboot), and swap kept on the same level
Then I login again
After logout and re-login with plasma with wayland (I could not use kde with Xorg.... I have issues re-logging, I guess that has to do with this bug: https://fedoraproject.org/wiki/Common_F32_bugs#User_switching.2Fre-logging_in_KDE_might_often_lead_to_a_black.2Ffrozen_screen
Right now I have this with sudo smem -c "pid name swap pss" -s swap -k -t
<snip>
4105 cleanupd 2.5M 132.0K
731103 firewalld 2.7M 23.7M
4528 powerline-daemo 3.3M 11.2M
5078 colord 3.4M 2.0M
4062 (sd-pam 4.0M 28.0K
4061 (sd-pam 4.1M 12.0K
-------------------------------------------------
206 70.0M 3.4G
731103 firewalld 2.7M 23.7M
4528 powerline-daemo 3.3M 11.2M
5078 colord 3.4M 2.0M
4062 (sd-pam 4.0M 28.0K
4061 (sd-pam 4.1M 12.0K
-------------------------------------------------
206 70.0M 3.4G
</snip>
And with free -m:
total used free shared buff/cache available
Mem: 15887 3254 1662 804 10969 11486
Mem: 15887 3254 1662 804 10969 11486
Swap: 4095 62 4033
Huge difference, I don't know, There is something bad with plasma, isn't it? :)
I don't know if is useful now:
zramctl
NAME ALGORITHM DISKSIZE DATA COMPR TOTAL STREAMS MOUNTPOINT
/dev/zram0 lzo-rle 4G 62,7M 21M 53,8M 4 [SWAP]
NAME ALGORITHM DISKSIZE DATA COMPR TOTAL STREAMS MOUNTPOINT
/dev/zram0 lzo-rle 4G 62,7M 21M 53,8M 4 [SWAP]
TIA
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