[Bug 41976] New: Very high CPU usage while downloading stuff in Steam

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wine-bugs＠winehq.org

12 Dec 2016 12 Dec '16

5:38 p.m.

https://bugs.winehq.org/show_bug.cgi?id=41976

Bug ID: 41976 Summary: Very high CPU usage while downloading stuff in Steam Product: Wine Version: 2.0-rc1 Hardware: x86 OS: Linux Status: UNCONFIRMED Severity: normal Priority: P2 Component: -unknown Assignee: wine-bugs@winehq.org Reporter: t.artem@mailcity.com Distribution: ---

I'm now downloading Crysis in the latest Steam/Wine releases and CPU usage is extremely high:

PID USER PR NI VIRT RES %CPU %MEM TIME+ nTH COMMAND 31543 birdie 20 0 2731.0m 227.1m 51.7 1.4 6:43.52 42 Steam.exe 31401 birdie 20 0 8.0m 5.6m 49.0 0.0 5:44.30 1 wineserver

One extra note: I'm downloading to tmpfs so disk IO has zero effect on this process.

The current download speed is around 3MB/sec (24Mb/sec).

This is a bug.

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wine-bugs＠winehq.org

12 Dec 12 Dec

5:39 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Artem S. Tashkinov t.artem@mailcity.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Component|-unknown |wineserver

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wine-bugs＠winehq.org

5:42 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

--- Comment #1 from Artem S. Tashkinov t.artem@mailcity.com --- My CPU is Intel Core i5 2500.

When I set my CPU frequency to exactly 1600MHz, this CPU usage doesn't change much.

So at 3.4GHz and at 1.6GHz two cores are roughly 50% busy which seems a little bit like a Linux kernel scheduler bug.

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wine-bugs＠winehq.org

5:43 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Artem S. Tashkinov t.artem@mailcity.com changed:

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wine-bugs＠winehq.org

5:49 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Artem S. Tashkinov t.artem@mailcity.com changed:

--- Comment #2 from Artem S. Tashkinov t.artem@mailcity.com --- On a second run CPU usage decreased to 4% for Steam.exe and 0% for wineserver. Perhaps, it's a certain bug which manifests only after an initial Steam installation.

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wine-bugs＠winehq.org

29 Dec 29 Dec

9:06 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Jeff Zaroyko jeffz@jeffz.name changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |CLOSED

--- Comment #3 from Jeff Zaroyko jeffz@jeffz.name --- Closing invalid.

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wine-bugs＠winehq.org

9:08 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

--- Comment #4 from Artem S. Tashkinov t.artem@mailcity.com --- (In reply to Jeff Zaroyko from comment #3)

...

Closing invalid.

It's not invalid, it's 100% reproducible but Steam restart always fixes it. But whatever.

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wine-bugs＠winehq.org

9:17 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Jeff Zaroyko jeffz@jeffz.name changed:

--- Comment #5 from Jeff Zaroyko jeffz@jeffz.name --- Reopening then. Not sure why it was resolved invalid already.

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wine-bugs＠winehq.org

16 May 16 May

10:13 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Manoa manoa@manoa.flnet.org changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |manoa@manoa.flnet.org

--- Comment #6 from Manoa manoa@manoa.flnet.org --- to me this happens consistently regardless if downloading or not in steam, as soon as it is started, it uses same ~60% CPU

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wine-bugs＠winehq.org

28 Jun 28 Jun

4:07 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Robert Walker bob.mt.wya@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |bob.mt.wya@gmail.com

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wine-bugs＠winehq.org

9 Sep 9 Sep

7:06 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Filip Volejnik f.volejnik@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |f.volejnik@gmail.com

--- Comment #7 from Filip Volejnik f.volejnik@gmail.com --- I suffer from this bug consistently - I can't start Steam without it eating up CPU all the time.

It really seems to be network related, though, since it does NOT happen when (re)starting Steam in Offline Mode.

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wine-bugs＠winehq.org

15 Dec 15 Dec

10:28 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

joaopa jeremielapuree@yahoo.fr changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |jeremielapuree@yahoo.fr

--- Comment #8 from joaopa jeremielapuree@yahoo.fr --- Does the bug still occur with wine-4.0-rc2? If yes, maybe oprofile could help.

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wine-bugs＠winehq.org

19 Jun 19 Jun

9:28 a.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Artem S. Tashkinov aros@gmx.com changed:

--- Comment #9 from Artem S. Tashkinov aros@gmx.com --- I stopped using Steam under Wine more than three years ago, so I'm closing this bug report.

If there are people who are still affected (as for Wine >=4.10) I will reopen it.

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wine-bugs＠winehq.org

13 Jul 13 Jul

11:22 a.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Constantine sytsko1990@gmail.com changed:

What |Removed |Added ---------------------------------------------------------------------------- CC| |sytsko1990@gmail.com

--- Comment #10 from Constantine sytsko1990@gmail.com --- (In reply to Artem S. Tashkinov from comment #9)

...

I stopped using Steam under Wine more than three years ago, so I'm closing this bug report.

If there are people who are still affected (as for Wine >=4.10) I will reopen it.

I still have this issue using last version of wine (stable) on my MacBook. My CPU loads up to 90%

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wine-bugs＠winehq.org

11:24 a.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Artem S. Tashkinov aros@gmx.com changed:

--- Comment #11 from Artem S. Tashkinov aros@gmx.com --- As indicated by the last comment.

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WineHQ Bugzilla

1 Jun 1 Jun

10:49 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

--- Comment #12 from Ken Sharp imwellcushtymelike@gmail.com --- Please retry in Wine 7.9 (or later).

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WineHQ Bugzilla

2 Jun 2 Jun

11:16 a.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Artem S. Tashkinov aros@gmx.com changed:

--- Comment #13 from Artem S. Tashkinov aros@gmx.com --- I've stopped using Steam under Wine a long time ago, so let's mark it fixed unless someone can confirm it again.

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WineHQ Bugzilla

3:42 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Zeb Figura z.figura12@gmail.com changed:

--- Comment #14 from Zeb Figura z.figura12@gmail.com --- (In reply to Artem S. Tashkinov from comment #13)

...

I've stopped using Steam under Wine a long time ago, so let's mark it fixed unless someone can confirm it again.

I can confirm that win32 steam has very high CPU usage when downloading. I'm not sure it's a bug, though, since I haven't tested on the same hardware on Windows.

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WineHQ Bugzilla

16 Apr 16 Apr

8:31 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

--- Comment #15 from Artem S. Tashkinov aros@gmx.com --- Sadly this is reproducible in Wine 8.5.

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WineHQ Bugzilla

10 Jul 10 Jul

6:36 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Ken Sharp imwellcushtymelike@gmail.com changed:

--- Comment #16 from Ken Sharp imwellcushtymelike@gmail.com --- I tried downloading large game files over my 1Gbps connection with the following results:

Windows Steam on Wine 8.12 – started around 300% CPU going up to 1000% CPU Linux Steam – started around 300% CPU going up to 1000% CPU Windows Steam – never exceeded 50% CPU

However: Windows Steam couldn't grab the file at more than 150 Mbps for reasons beyond my imagination, so I limited the download speeds on all clients to 100 Mbps.

Windows Steam on Wine 8.12 – around 300%-500% CPU Linux Steam – around 300%-500% CPU Windows Steam - around 35%-50% CPU

(Where 100% = 1 hardware thread fully utilised on a 8c/16t Xeon)

So make of that what you will. I never saw wineserver get particularly busy.

Wine does use more CPU than Windows, but not more than Linux.

Does the Steam client use any Wine/Proton parts for its UI? I couldn't see anything obvious listed in an ltrace.

Bug?

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WineHQ Bugzilla

14 Jul 14 Jul

5 p.m.

New subject: [Bug 41976] Very high CPU usage while downloading stuff in Steam

https://bugs.winehq.org/show_bug.cgi?id=41976

Ken Sharp imwellcushtymelike@gmail.com changed:

--- Comment #17 from Ken Sharp imwellcushtymelike@gmail.com --- Also this:

https://github.com/ValveSoftware/steam-for-linux/issues/6684

"It does a lot of decryption, decompression, and delta-patching work."

I guess there's a performance bug here as it differs from Windows on the same hardware.

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