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mate-desktop / mate-session-manager

MATE session manager
https://mate-desktop.org
GNU General Public License v2.0
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Excess CPU use after commit f56f8cd #281

Closed lukefromdc closed 3 years ago

lukefromdc commented 3 years ago

Expected behaviour

Near-zero CPU use by system at idle

Actual behaviour

10-20% CPU use across all 8 threads on AMD Bulldozer with some default services (from GNOME and Cinnamon installs) disabled, one or more custom jobs modifying normal MATE jobs, and one or more custom startup jobs (conky in my case)

Steps to reproduce the behaviour

Install m-s-m from today's git master (1.24.3 not tested but probably same problem), install Cinnamon or GNOME, and disable some non-MATE startup jobs. Also (in case this is the culprit) disable network-manager-applet and create a new startup job for it with nm-applet --indicator and create one or more custom startup jops as on my system. This will work fine with older versions of mate-session-manager but after https://github.com/mate-desktop/mate-session-manager/commit/f56f8cd63d330e576aeabd09a0600a8da2e02392 Follow freedesktop guidelines to disable autorun using Hidden key you will see excessive CPU use

MATE general version

1.25

Package version

locally compiled from git master as of 4-22-2021

Linux Distribution

Debian Unstable

Link to bugreport of your Distribution (requirement)

None as this is a locally compiled package

raveit65 commented 3 years ago

Which process does have a high CPU load?

raveit65 commented 3 years ago

I can't reproduce a high cpu load with nm-applet --indicator as a new start job. Neither mate-session or nm-applet processes produce a high cpu load here. Everything work as normal with mentioned commit. Is your issue reproducible with a fresh new user account?

lukefromdc commented 3 years ago

Highest CPU use I saw got credited to xorg for some reason. Possibly something further down trying to repeatedly start and in the process have to try to open a window, only to be killed prior to ahowing up.

On 4/27/2021 at 3:01 PM, "raveit65" @.***> wrote:

Which process does have a high CPU load?

-- You are receiving this because you authored the thread. Reply to this email directly or view it on GitHub: https://github.com/mate-desktop/mate-session- manager/issues/281#issuecomment-827843861

lukefromdc commented 3 years ago

On the road now,but I DID notice that my previous list of enabled and diaabled startup jobs was ignores and I had to redo most of it on first run(during initial testing).

I do NOT want to reset all of dconf due to the level of customization elsewhere in my setup

A different username is the way I can test that when I am back home

On 4/27/2021 at 5:40 PM, "raveit65" @.***> wrote:

I can't reproduce a high cpu load with nm-applet --indicator as a new start job. Neither mate-session or nm-applet processes produce a high cpu load here. Everything work as normal with mentioned commit. Is your issue reproducible with a fresh new user account?

-- You are receiving this because you authored the thread. Reply to this email directly or view it on GitHub: https://github.com/mate-desktop/mate-session- manager/issues/281#issuecomment-827949326

lukefromdc commented 3 years ago

Found the culprit: I had xscreensaver uninstalled but not xscreensaver-data, and still had that listed as a startup jop. With xscreensaver not installed, the session manager apparently kept trying to start it. Apparently the previous code tolerated this but the new code does not. Closing