[Bug 20602] New: thread/cpu affinity not correct with multi core enabled source engine games

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=20602

           Summary: thread/cpu affinity not correct with multi core
                    enabled source engine games
           Product: Wine
           Version: 1.1.32
          Platform: PC-x86-64
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: fzielcke at z-51.de


This is actually with current git HEAD de00535c13fba643c9c2bc178225be3cecafd92d
not the 1.1.32 release.

Even if I enable the Multi Core support in Day of Defeat:Source or Team
Fortress 2, the cpu mask is set to one CPU.
I checked /proc/($pgrep hl2.exe)/status and also run both in a window with top
running in the background and visible P column (last used CPU).

wine taskmgr shows an affinity of both CPUs.
If I uncheck one and check one again then the main 2 threads needing CPU time
run on both my cores.

This is a huge increase in performance for me. For example in ctf_2fort on a
well visited server I get only ~10-20 FPS on the bridge if there's fighting and
the hl2 process is locked on 1 core.
Whereas if they run on both, it's good playable and I think it's somewhat
around ~40 FPS.

It also works fine if I compile wineserver without HAVE_SCHED_SETAFFINITY
I tried mat_queue_mode 2, too. mat_queue_mode -1 seems to be the default for
multicore enabled.

So even if TF2/DoD:S have a bug to still force a CPU affinity of 1, wine
taskmgr should at least display it correctly.

I use Debian sid + experimental.
For compilation I use Debian 4.4.2-2 with CFLAGS="-march=native -pipe -O2"

Hardware is Athlon64 X2 4600+, 2 GiB RAM and a Geforce GTS 250 with the 190.42
Nvidia proprietary drivers.

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