From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 63192] New: [nouveau] drmModeSetCursor->nouveau_bo_rd32->ioread32 provides high cpu load when using weston drm-compositor
Date: Sat, 06 Apr 2013 00:14:24 +0000 [thread overview]
Message-ID: <bug-63192-502@http.bugs.freedesktop.org/> (raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=63192
Priority: medium
Bug ID: 63192
Assignee: dri-devel@lists.freedesktop.org
Summary: [nouveau] drmModeSetCursor->nouveau_bo_rd32->ioread32
provides high cpu load when using weston
drm-compositor
Severity: normal
Classification: Unclassified
OS: Linux (All)
Reporter: vova7890@mail.ru
Hardware: x86-64 (AMD64)
Status: NEW
Version: DRI CVS
Component: DRM/other
Product: DRI
Weston runned in drm-mode provide very high cpu load on mouse moving. I don`t
think that the bug of weston, seems problem in nouveau drm. At launch weston
have a log:
...
[24465.734894] nouveau W[ PFIFO][0000:02:00.0] INTR 0x00000001: 0x00000004
[24465.748153] nouveau W[ PFIFO][0000:02:00.0] INTR 0x00000001: 0x00000004
[24521.950788] nouveau W[ PFIFO][0000:02:00.0] INTR 0x00000001: 0x00000004
[24521.955032] nouveau W[ PFIFO][0000:02:00.0] INTR 0x00000001: 0x00000004
...
ioread32_native(ioread32 on litle-endian) using 100% of cpu core. If in weston
comment out drmModeSetCursor - cpu load is normal, but no see cursor ofcourse.
They copying cursor(64x64) from bo-object. Seems TTM iomem access provide very
high cpu load... On radeon it works smoothly and no have very high cpu load.
Kernel 3.9-rc5 (x86_64)
Wayland/Weston: git
Mesa: git
libdrm: git
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next reply other threads:[~2013-04-06 0:14 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-06 0:14 bugzilla-daemon [this message]
2014-12-09 18:39 ` [Bug 63192] [nouveau] drmModeSetCursor->nouveau_bo_rd32->ioread32 provides high cpu load when using weston drm-compositor bugzilla-daemon
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