* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
@ 2019-10-13 5:03 bugzilla-daemon
2019-10-13 5:03 ` bugzilla-daemon
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To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
Bug ID: 111987
Summary: Unstable performance (periodic and repeating patterns
of fps change) and changing VDDGFX
Product: DRI
Version: XOrg git
Hardware: Other
OS: All
Status: NEW
Severity: not set
Priority: not set
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: witold.baryluk+freedesktop@gmail.com
AMD Radeon Fury X.
Linux debian 5.2.0-3-amd64 #1 SMP Debian 5.2.17-1 (2019-09-26) x86_64 GNU/Linux
ii xserver-xorg-video-radeon 1:19.0.1-1
amd64 X.Org X server -- AMD/ATI Radeon display
driver
ii xserver-xorg-video-amdgpu 19.0.1-1
amd64 X.Org X server -- AMDGPU display driver
ii xserver-xorg-video-radeon 1:19.0.1-1
amd64 X.Org X server -- AMD/ATI Radeon display
driver
ii libdrm-radeon1:amd64 2.4.99-1
amd64 Userspace interface to radeon-specific kernel DRM services --
runtime
ii libdrm-amdgpu1:amd64 2.4.99-1
amd64 Userspace interface to amdgpu-specific
kernel DRM services -- runtime
I was able to reproduce the issue in few titles:
Overwatch (64-bit Windows game) with various Wine and DXVK versions, as well
when using Wine OpenGL renderer.
Talos (native 64 bit Linux game) with Vulkan renderer.
Tested with both Mesa 19.2.1-1 with LLVM 9 from Debian, and custom compiled
Mesa 19.3.0-devel with LLVM 10 and ACO backend compilers.
If I setup the game to render constantly same things on screen (I do that by
simply going to a corner of the map, and looking at the ground or a corner,
where there is minimal amount of geometry and variability), I initially get
very high and stable frame rate, of lets say 105 FPS (plus minus 1 FPS).
However, if I wait long enough there are periodic (not sporadic, but actually
periodic, and exactly repeatable) situations where FPS drops. During that
period the GPU load increases from 30% to 100%, sometimes with one or two
intermediate steps (depends on the game and setup).
I also notice that the GPU VDD is changing during these period.
I eliminated all other sources of variability. Nothing running in background.
Reported GPU temperature is stable at <32 deg C, and during testing is stable
and flat.
Sometimes, if I keep the game running long enough, it will stabilize and stop
doing that. But sometimes if I wait long enough it will reenter this behaviour
back. Most of the time the behaviour is extremaly repetitive and predictable.
Not random.
Please see attached frametime graph (captured with modified Mesa vulkan
overlay) for Talos and Overatch.
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
@ 2019-10-13 5:03 ` bugzilla-daemon
2019-10-13 5:04 ` bugzilla-daemon
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From: bugzilla-daemon @ 2019-10-13 5:03 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #1 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
Created attachment 145723
--> https://bugs.freedesktop.org/attachment.cgi?id=145723&action=edit
Frametimes during execution of The Talos Principle (64-bit) while looking at
the ground/wall
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
2019-10-13 5:03 ` bugzilla-daemon
@ 2019-10-13 5:04 ` bugzilla-daemon
2019-10-13 5:08 ` bugzilla-daemon
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From: bugzilla-daemon @ 2019-10-13 5:04 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #2 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
Created attachment 145724
--> https://bugs.freedesktop.org/attachment.cgi?id=145724&action=edit
Frametimes during run of Overwatch (Wine+DXVK) and OBS in background (not
recording or even previewing!).
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
2019-10-13 5:03 ` bugzilla-daemon
2019-10-13 5:04 ` bugzilla-daemon
@ 2019-10-13 5:08 ` bugzilla-daemon
2019-10-13 5:08 ` bugzilla-daemon
` (15 subsequent siblings)
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From: bugzilla-daemon @ 2019-10-13 5:08 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #3 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
I initially blamed OBS (Open Broadcasting Studio) for the problem. But I was
able to reproduce the issue even with OBS recording, previewing, grabbing
frame, or even it running.
So I am almost sure it is hardware or power management issue in kernel driver.
Unfortunately I am not quite able to capture timelines of the
/sys/kernel/debug/dri/0/amdgpu_pm_info correlated with the frametimes, as very
often reading this sysfs file will block all the rendering for few
milliseconds, skewing results (frametime spikes).
However, I can tell that the temperature reported there is constantly below 32
deg C, and frequency looks all the time the same, at least for the GPU core.
The voltage and GPU load reported there is all over the place, sometimes
reporting 0% GPU load, despite the game running in windowed mode and producing
200 FPS, which should be at least ~30% GPU load from my other measurements.
I also confirmed FPS / frametimes issues with 3 other independent methods
(DXVK_HUD=fps, GALLIUM_HUD=fps, in-game fps / frametime counters). But main one
is using modified Mesa overlay.
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
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2019-10-13 5:08 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #4 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
> I initially blamed OBS (Open Broadcasting Studio) for the problem. But I was able to reproduce the issue even with OBS recording, previewing, grabbing frame, or even it running.
s/with/WITHOUT/.
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
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2019-10-13 5:08 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #5 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
# cat /sys/kernel/debug/dri/0/amdgpu_firmware_info
VCE feature version: 0, firmware version: 0x37020300
UVD feature version: 0, firmware version: 0x015b0c00
MC feature version: 0, firmware version: 0x00000000
ME feature version: 49, firmware version: 0x000000a7
PFP feature version: 49, firmware version: 0x000000fd
CE feature version: 49, firmware version: 0x0000008c
RLC feature version: 1, firmware version: 0x000000d6
RLC SRLC feature version: 0, firmware version: 0x00000000
RLC SRLG feature version: 0, firmware version: 0x00000000
RLC SRLS feature version: 0, firmware version: 0x00000000
MEC feature version: 49, firmware version: 0x000002d9
MEC2 feature version: 49, firmware version: 0x000002d9
SOS feature version: 0, firmware version: 0x00000000
ASD feature version: 0, firmware version: 0x00000000
TA XGMI feature version: 0, firmware version: 0x00000000
TA RAS feature version: 0, firmware version: 0x00000000
SMC feature version: 0, firmware version: 0x00161000
SDMA0 feature version: 31, firmware version: 0x00000022
SDMA1 feature version: 0, firmware version: 0x00000022
VCN feature version: 0, firmware version: 0x00000000
DMCU feature version: 0, firmware version: 0x00000000
VBIOS version: 113-C8800100-102
#
ii firmware-amd-graphics 20190717-2
all Binary firmware for AMD/ATI graphics chips
Some pieces from dmesg:
Oct 10 16:33:44 localhost kernel: [ 1.421938] [drm] amdgpu kernel
modesetting enabled.
Oct 10 16:33:44 localhost kernel: [ 1.421996] Parsing CRAT table with 2
nodes
Oct 10 16:33:44 localhost kernel: [ 1.422003] Ignoring ACPI CRAT on non-APU
system
Oct 10 16:33:44 localhost kernel: [ 1.422005] Virtual CRAT table created for
CPU
Oct 10 16:33:44 localhost kernel: [ 1.422006] Parsing CRAT table with 2
nodes
Oct 10 16:33:44 localhost kernel: [ 1.422007] Creating topology SYSFS
entries
Oct 10 16:33:44 localhost kernel: [ 1.422020] Topology: Add CPU node
Oct 10 16:33:44 localhost kernel: [ 1.422020] Finished initializing topology
Oct 10 16:33:44 localhost kernel: [ 1.422178] amdgpu 0000:43:00.0:
remove_conflicting_pci_framebuffers: bar 0: 0x80000000 -> 0x8fffffff
Oct 10 16:33:44 localhost kernel: [ 1.422180] amdgpu 0000:43:00.0:
remove_conflicting_pci_framebuffers: bar 2: 0x90000000 -> 0x901fffff
Oct 10 16:33:44 localhost kernel: [ 1.422181] amdgpu 0000:43:00.0:
remove_conflicting_pci_framebuffers: bar 5: 0x9f800000 -> 0x9f83ffff
Oct 10 16:33:44 localhost kernel: [ 1.422183] checking generic (80000000
1f0000) vs hw (80000000 10000000)
Oct 10 16:33:44 localhost kernel: [ 1.422184] fb0: switching to amdgpudrmfb
from EFI VGA
Oct 10 16:33:44 localhost kernel: [ 1.422209] Console: switching to colour
dummy device 80x25
Oct 10 16:33:44 localhost kernel: [ 1.422284] amdgpu 0000:43:00.0: vgaarb:
deactivate vga console
Oct 10 16:33:44 localhost kernel: [ 1.422549] [drm] initializing kernel
modesetting (FIJI 0x1002:0x7300 0x1002:0x0B36 0xC8).
Oct 10 16:33:44 localhost kernel: [ 1.422563] [drm] register mmio base:
0x9F800000
Oct 10 16:33:44 localhost kernel: [ 1.422563] [drm] register mmio size:
262144
Oct 10 16:33:44 localhost kernel: [ 1.422573] [drm] add ip block number 0
<vi_common>
Oct 10 16:33:44 localhost kernel: [ 1.422573] [drm] add ip block number 1
<gmc_v8_0>
Oct 10 16:33:44 localhost kernel: [ 1.422574] [drm] add ip block number 2
<tonga_ih>
Oct 10 16:33:44 localhost kernel: [ 1.422575] [drm] add ip block number 3
<gfx_v8_0>
Oct 10 16:33:44 localhost kernel: [ 1.422576] [drm] add ip block number 4
<sdma_v3_0>
Oct 10 16:33:44 localhost kernel: [ 1.422577] [drm] add ip block number 5
<powerplay>
Oct 10 16:33:44 localhost kernel: [ 1.422578] [drm] add ip block number 6
<dm>
Oct 10 16:33:44 localhost kernel: [ 1.422579] [drm] add ip block number 7
<uvd_v6_0>
Oct 10 16:33:44 localhost kernel: [ 1.422579] [drm] add ip block number 8
<vce_v3_0>
Oct 10 16:33:44 localhost kernel: [ 1.422594] [drm] UVD is enabled in
physical mode
Oct 10 16:33:44 localhost kernel: [ 1.422595] [drm] VCE enabled in physical
mode
Oct 10 16:33:44 localhost kernel: [ 1.424046] ATOM BIOS: 113-C8800100-102
Oct 10 16:33:44 localhost kernel: [ 1.424070] [drm] RAS INFO: ras
initialized successfully, hardware ability[0] ras_mask[0]
Oct 10 16:33:44 localhost kernel: [ 1.424073] [drm] vm size is 512 GB, 2
levels, block size is 10-bit, fragment size is 9-bit
Oct 10 16:33:44 localhost kernel: [ 1.424080] amdgpu 0000:43:00.0: VRAM:
4096M 0x000000F400000000 - 0x000000F4FFFFFFFF (4096M used)
Oct 10 16:33:44 localhost kernel: [ 1.424081] amdgpu 0000:43:00.0: GART:
1024M 0x000000FF00000000 - 0x000000FF3FFFFFFF
Oct 10 16:33:44 localhost kernel: [ 1.424085] [drm] Detected VRAM RAM=4096M,
BAR=256M
Oct 10 16:33:44 localhost kernel: [ 1.424086] [drm] RAM width 512bits HBM
Oct 10 16:33:44 localhost kernel: [ 1.424126] [TTM] Zone kernel: Available
graphics memory: 65980746 KiB
Oct 10 16:33:44 localhost kernel: [ 1.424126] [TTM] Zone dma32: Available
graphics memory: 2097152 KiB
Oct 10 16:33:44 localhost kernel: [ 1.424127] [TTM] Initializing pool
allocator
Oct 10 16:33:44 localhost kernel: [ 1.424129] [TTM] Initializing DMA pool
allocator
Oct 10 16:33:44 localhost kernel: [ 1.424158] [drm] amdgpu: 4096M of VRAM
memory ready
Oct 10 16:33:44 localhost kernel: [ 1.424160] [drm] amdgpu: 4096M of GTT
memory ready.
Oct 10 16:33:44 localhost kernel: [ 1.424173] [drm] GART: num cpu pages
262144, num gpu pages 262144
Oct 10 16:33:44 localhost kernel: [ 1.424227] [drm] PCIE GART of 1024M
enabled (table at 0x000000F4001D5000).
Oct 10 16:33:44 localhost kernel: [ 1.424307] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_pfp.bin
Oct 10 16:33:44 localhost kernel: [ 1.424318] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_me.bin
Oct 10 16:33:44 localhost kernel: [ 1.424328] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_ce.bin
Oct 10 16:33:44 localhost kernel: [ 1.424329] [drm] Chained IB support
enabled!
Oct 10 16:33:44 localhost kernel: [ 1.424340] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_rlc.bin
Oct 10 16:33:44 localhost kernel: [ 1.424404] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_mec.bin
Oct 10 16:33:44 localhost kernel: [ 1.424450] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_mec2.bin
Oct 10 16:33:44 localhost kernel: [ 1.425016] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_sdma.bin
Oct 10 16:33:44 localhost kernel: [ 1.425026] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_sdma1.bin
Oct 10 16:33:44 localhost kernel: [ 1.425135] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_uvd.bin
Oct 10 16:33:44 localhost kernel: [ 1.425136] [drm] Found UVD firmware
Version: 1.91 Family ID: 12
Oct 10 16:33:44 localhost kernel: [ 1.425138] [drm] UVD ENC is disabled
Oct 10 16:33:44 localhost kernel: [ 1.425579] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_vce.bin
Oct 10 16:33:44 localhost kernel: [ 1.425580] [drm] Found VCE firmware
Version: 55.2 Binary ID: 3
Oct 10 16:33:44 localhost kernel: [ 1.425851] amdgpu 0000:43:00.0: firmware:
direct-loading firmware amdgpu/fiji_smc.bin
...
Oct 10 16:33:44 localhost kernel: [ 1.496480] [drm] Display Core initialized
with v3.2.27!
Oct 10 16:33:44 localhost kernel: [ 1.524874] nvme nvme0: Shutdown timeout
set to 8 seconds
Oct 10 16:33:44 localhost kernel: [ 1.526321] [drm] Supports vblank
timestamp caching Rev 2 (21.10.2013).
Oct 10 16:33:44 localhost kernel: [ 1.526322] [drm] Driver supports precise
vblank timestamp query.
Oct 10 16:33:44 localhost kernel: [ 1.547155] nvme nvme0: 32/0/0
default/read/poll queues
Oct 10 16:33:44 localhost kernel: [ 1.552924] [drm] UVD initialized
successfully.
Oct 10 16:33:44 localhost kernel: [ 1.653044] [drm] VCE initialized
successfully.
Oct 10 16:33:44 localhost kernel: [ 1.654424] kfd kfd: Allocated 3969056
bytes on gart
Oct 10 16:33:44 localhost kernel: [ 1.654436] Virtual CRAT table created for
GPU
Oct 10 16:33:44 localhost kernel: [ 1.654437] Parsing CRAT table with 1
nodes
Oct 10 16:33:44 localhost kernel: [ 1.654448] Creating topology SYSFS
entries
Oct 10 16:33:44 localhost kernel: [ 1.654548] Topology: Add dGPU node
[0x7300:0x1002]
Oct 10 16:33:44 localhost kernel: [ 1.654640] kfd kfd: added device
1002:7300
Oct 10 16:33:44 localhost kernel: [ 1.656602] [drm] fb mappable at
0x8086B000
Oct 10 16:33:44 localhost kernel: [ 1.656603] [drm] vram apper at 0x80000000
Oct 10 16:33:44 localhost kernel: [ 1.656603] [drm] size 16384000
Oct 10 16:33:44 localhost kernel: [ 1.656603] [drm] fb depth is 24
Oct 10 16:33:44 localhost kernel: [ 1.656604] [drm] pitch is 10240
Oct 10 16:33:44 localhost kernel: [ 1.656646] fbcon: amdgpudrmfb (fb0) is
primary device
Oct 10 16:33:44 localhost kernel: [ 1.678003] Console: switching to colour
frame buffer device 320x100
Oct 10 16:33:44 localhost kernel: [ 1.695638] amdgpu 0000:43:00.0: fb0:
amdgpudrmfb frame buffer device
Oct 10 16:33:44 localhost kernel: [ 1.704979] [drm] Initialized amdgpu
3.32.0 20150101 for 0000:43:00.0 on minor 0
...
Oct 10 16:33:44 localhost kernel: [ 1.483252] [drm]
dce110_link_encoder_construct: Failed to get encoder_cap_info from VBIOS with
error code 4!
...
Oct 10 16:33:44 localhost kernel: [ 1.496480] [drm] Display Core initialized
with v3.2.27!
Oct 10 16:33:44 localhost kernel: [ 1.524874] nvme nvme0: Shutdown timeout
set to 8 seconds
Oct 10 16:33:44 localhost kernel: [ 1.526321] [drm] Supports vblank
timestamp caching Rev 2 (21.10.2013).
Oct 10 16:33:44 localhost kernel: [ 1.526322] [drm] Driver supports precise
vblank timestamp query.
Oct 10 16:33:44 localhost kernel: [ 1.547155] nvme nvme0: 32/0/0
default/read/poll queues
Oct 10 16:33:44 localhost kernel: [ 1.552924] [drm] UVD initialized
successfully.
Oct 10 16:33:44 localhost kernel: [ 1.653044] [drm] VCE initialized
successfully.
Oct 10 16:33:44 localhost kernel: [ 1.654424] kfd kfd: Allocated 3969056
bytes on gart
Oct 10 16:33:44 localhost kernel: [ 1.654436] Virtual CRAT table created for
GPU
Oct 10 16:33:44 localhost kernel: [ 1.654437] Parsing CRAT table with 1
nodes
Oct 10 16:33:44 localhost kernel: [ 1.654448] Creating topology SYSFS
entries
Oct 10 16:33:44 localhost kernel: [ 1.654548] Topology: Add dGPU node
[0x7300:0x1002]
Oct 10 16:33:44 localhost kernel: [ 1.654640] kfd kfd: added device
1002:7300
Oct 10 16:33:44 localhost kernel: [ 1.656602] [drm] fb mappable at
0x8086B000
Oct 10 16:33:44 localhost kernel: [ 1.656603] [drm] vram apper at 0x80000000
Oct 10 16:33:44 localhost kernel: [ 1.656603] [drm] size 16384000
Oct 10 16:33:44 localhost kernel: [ 1.656603] [drm] fb depth is 24
Oct 10 16:33:44 localhost kernel: [ 1.656604] [drm] pitch is 10240
Oct 10 16:33:44 localhost kernel: [ 1.656646] fbcon: amdgpudrmfb (fb0) is
primary device
Oct 10 16:33:44 localhost kernel: [ 1.678003] Console: switching to colour
frame buffer device 320x100
Oct 10 16:33:44 localhost kernel: [ 1.695638] amdgpu 0000:43:00.0: fb0:
amdgpudrmfb frame buffer device
Oct 10 16:33:44 localhost kernel: [ 1.704979] [drm] Initialized amdgpu
3.32.0 20150101 for 0000:43:00.0 on minor 0
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
` (4 preceding siblings ...)
2019-10-13 5:13 ` bugzilla-daemon
@ 2019-10-13 5:14 ` bugzilla-daemon
2019-10-13 5:15 ` bugzilla-daemon
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From: bugzilla-daemon @ 2019-10-13 5:14 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #6 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
lspci:
43:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Fiji
[Radeon R9 FURY / NANO Series] (rev c8) (prog-if 00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Radeon R9 FURY X /
NANO
Flags: bus master, fast devsel, latency 0, IRQ 65, NUMA node 1
Memory at 80000000 (64-bit, prefetchable) [size=256M]
Memory at 90000000 (64-bit, prefetchable) [size=2M]
I/O ports at 8000 [size=256]
Memory at 9f800000 (32-bit, non-prefetchable) [size=256K]
Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
Capabilities: [150] Advanced Error Reporting
Capabilities: [200] Resizable BAR <?>
Capabilities: [270] Secondary PCI Express <?>
Capabilities: [2b0] Address Translation Service (ATS)
Capabilities: [2c0] Page Request Interface (PRI)
Capabilities: [2d0] Process Address Space ID (PASID)
Capabilities: [328] Alternative Routing-ID Interpretation (ARI)
Kernel driver in use: amdgpu
Kernel modules: amdgpu
43:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Fiji HDMI/DP Audio
[Radeon R9 Nano / FURY/FURY X]
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Fiji HDMI/DP Audio
[Radeon R9 Nano / FURY/FURY X]
Flags: bus master, fast devsel, latency 0, IRQ 164, NUMA node 1
Memory at 9f860000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
<?>
Capabilities: [150] Advanced Error Reporting
Capabilities: [328] Alternative Routing-ID Interpretation (ARI)
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
Witold Baryluk <witold.baryluk+freedesktop@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|not set |normal
CC| |witold.baryluk+freedesktop@
| |gmail.com
Hardware|Other |x86-64 (AMD64)
Priority|not set |medium
OS|All |Linux (All)
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #7 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
I just also reproduced it using Firefox with WebGL and ShaderToy with custom
reasonably complex shader to load the GPU. With frame rate capped to 60 fps, so
that required reasonably complex shader to load it high. I.e. 17 fps at lows,
and 27 fps at highs. The fps patterns is again periodic and repeating, despite
the shader not depending on time (constantly output a full screen quad with
same pixel content and execution).
GPU temperature is constant 28 deg C even at full blast.
VDD changes from 1.25 to 1.14, 1.10, 1.05, 0.94, 0.90, and sometimes even to
0.85 V. After a while it jumps back to 1.25V and cycle repeats.
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #8 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
My random guess is that it is due to some bug in calculating gpu_busy_percent
possibly, or SCLK_{UP,DOWN}_HYST parameters:
Here is a dump of various values, when running Talos:
Sun Oct 13 09:29:46 UTC 2019
/sys/class/drm/renderD128/device files:
gpu_busy_percent:5
pp_num_states:states: 2
pp_num_states:0 boot
pp_num_states:1 performance
pp_cur_state:1
pp_power_profile_mode:NUM MODE_NAME SCLK_UP_HYST SCLK_DOWN_HYST
SCLK_ACTIVE_LEVEL MCLK_UP_HYST MCLK_DOWN_HYST MCLK_ACTIVE_LEVEL
pp_power_profile_mode: 0 BOOTUP_DEFAULT: - -
- - - -
pp_power_profile_mode: 1 3D_FULL_SCREEN: 0 100
30 0 100 10
pp_power_profile_mode: 2 POWER_SAVING: 10 0
30 - - -
pp_power_profile_mode: 3 VIDEO: - -
- 10 16 31
pp_power_profile_mode: 4 VR: 0 11
50 0 100 10
pp_power_profile_mode: 5 COMPUTE *: 0 5
30 0 100 10
pp_power_profile_mode: 6 CUSTOM: - -
- - - -
vbios_version:113-C8800100-102
revision:0xc8
mem_info_gtt_total:4294967296
mem_info_gtt_used:364883968
mem_info_vis_vram_total:268435456
mem_info_vis_vram_used:50188288
mem_info_vram_total:4294967296
mem_info_vram_used:2290094080
power_dpm_force_performance_level:manual
power_dpm_state:performance
hwmon/hwmon0/freq1_label:sclk
hwmon/hwmon0/freq1_input:944000000
hwmon/hwmon0/freq2_label:mclk
hwmon/hwmon0/freq2_input:500000000
hwmon/hwmon0/temp1_input:31000
hwmon/hwmon0/power1_average:85182000
hwmon/hwmon0/fan1_input:3069
hwmon/hwmon0/pwm1:239
hwmon/hwmon0/in0_label:vddgfx
hwmon/hwmon0/in0_input:1100
pp_dpm_mclk:0: 500Mhz *
pp_dpm_sclk:0: 300Mhz
pp_dpm_sclk:1: 512Mhz
pp_dpm_sclk:2: 724Mhz
pp_dpm_sclk:3: 892Mhz
pp_dpm_sclk:4: 944Mhz *
pp_dpm_sclk:5: 984Mhz
pp_dpm_sclk:6: 1018Mhz
pp_dpm_sclk:7: 1050Mhz
pp_mclk_od:0
pp_sclk_od:0
d3cold_allowed:1
power_dpm_force_performance_level:manual
/sys/class/drm/ttm/buffer_objects/bo_count:2997
/sys/kernel/debug/dri/0/clients: command pid dev master a uid
magic
/sys/kernel/debug/dri/0/clients: Xorg 118921 0 y y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Xorg 118921 128 n y 0
0
/sys/kernel/debug/dri/0/clients: Talos 37263 128 n n 1000
0
The default pp_power_profile_mode was 1 (3D_FULL_SCREEN). I switched it just
now to 5 (COMPUTE), but results are the same.
The gpu_busy_percent switches every second between something close to 0 and
something close to 100. Despite the game constantly submitting the work and
rendering at ~200 FPS.
The pp_dpm_sclk starts high and slowly goes down step by step, and eventually
goes back to 7 (1050MHz), and process repeats.
I tried doing:
echo "7" > /sys/class/drm/card0/device/pp_dpm_sclk
echo "manual" > /sys/class/drm/card0/device/power_dpm_force_performance_level
and I see no differences, still same effect.
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #9 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
Kernel config, nothing special:
$ grep DRM_AMD /boot/config-5.2.0-3-amd64
CONFIG_DRM_AMDGPU=m
CONFIG_DRM_AMDGPU_SI=y
CONFIG_DRM_AMDGPU_CIK=y
CONFIG_DRM_AMDGPU_USERPTR=y
# CONFIG_DRM_AMDGPU_GART_DEBUGFS is not set
CONFIG_DRM_AMD_ACP=y
CONFIG_DRM_AMD_DC=y
CONFIG_DRM_AMD_DC_DCN1_0=y
CONFIG_DRM_AMD_DC_DCN1_01=y
$
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #10 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
Firmware signatures:
user@debian:/lib/firmware/amdgpu$ sha256sum fiji_*
615693b2736f13c4ef3cd9220efe4d55df3c5d82fe128d3f1b34a45edba65fbd fiji_ce.bin
b0d51dc0b361afa07bcefa0f4670c344679b1fcbe1be68c06e727eaaf0098236 fiji_mc.bin
953747f5b93bd743bb75747b950be3e4ccbe481ac1f7110a58d399ac840f158a fiji_me.bin
cd1133103874ce368c4f46eeb38fe293caad5f77e4fee8567f6f6be9c47687c4 fiji_mec2.bin
cd1133103874ce368c4f46eeb38fe293caad5f77e4fee8567f6f6be9c47687c4 fiji_mec.bin
91bda514a4d0d846d48321aa4d3c92ff1049fe53cbf3e007686553a29a9018de fiji_pfp.bin
f0fa903f16502cff35dc073a77c1ef382f4218ec2928f23a173400888f90400d fiji_rlc.bin
1c5ab71e854cc59e4998559ed07c436d05b2a97b0df0a51a3924b1c240398949
fiji_sdma1.bin
b5cf6b3a3b7e6839a68a92ac8651d53d0ae41e1caee28c68155b2d7865f1cf4c fiji_sdma.bin
fd13fe6b32cef9129f1b75f46b014babcf4075ebc8a715bf19da573be8b68223 fiji_smc.bin
b7401cfda1087ee5cf71acef19163f311c71775802b331ca82b9177119e4d97b fiji_uvd.bin
0fe1a2e4e2e4f6f8d5600d8c13cb60a8bc87089cd37c766fef2f95ccd5e277ac fiji_vce.bin
user@debian:/lib/firmware/amdgpu$
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #11 from Alex Deucher <alexdeucher@gmail.com> ---
The GPU dynamically adjusts the clocks and voltages at runtime based on the
load on the particular engines or hw subsytems. You can use the
pp_power_profile_mode interface to adjust the heuristics that determine how the
GPU transitions through power states.
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #12 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
Hi Alex.
I do understand that, it is a part of power management. That is not the bug is
about.
I did use pp_power_mode_profile too, and it doesn't really help. The issue is
that I would expect the performance to stabilize and frequency and voltages to
converge to satisfy the load, but they don't. The workload this is happening at
isn't GPU limited (it starts with GPU load of about 40%), so it is not fully
representative of other workloads, but frequency transitions looks suboptimal.
Is it possible to set custom SCLK hysteresis maybe?
As I said I tried settings up:
echo "7" > /sys/class/drm/card0/device/pp_dpm_sclk
echo "manual" > /sys/class/drm/card0/device/power_dpm_force_performance_level
to confine sclk to single level, but it didn't help. I tried changing the
pp_power_mode_profile to COMPUTE (just to see what happens), and there was no
difference in observed behaviour.
I don't have any amdgpu.ppfeaturemask sets tho, so maybe kernel driver is
simply ignoring my requests.
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #13 from deathlock13@gmail.com ---
did U 'cat pp_dpm_sclk' after 'echo 7 > ...' ?
I have to boot with amdgpu.runpm=0 to be able to change anything
drawback is - notebook fan goes off every2-3 min, for 30 sec, in idle :/
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #14 from Alex Deucher <alexdeucher@gmail.com> ---
You can force the clocks low or high by:
echo low > power_dpm_force_performance_level
or
echo high > power_dpm_force_performance_level
setting it to auto will restore the automatic behavior:
echo auto > power_dpm_force_performance_level
The behavior will depend on the workload. If the workload is really bursty, it
may cause the clocks to ramp up and down if there are sufficiently long idle
periods between workloads. You can manually adjust the heuristics by selecting
the custom profile and tweaking each parameter. See the documentation here:
https://dri.freedesktop.org/docs/drm/gpu/amdgpu.html#gpu-power-thermal-controls-and-monitoring
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #15 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
Setting
echo high > power_dpm_force_performance_level
didn't help. It is set to high (verified by reading back from sysfs).
gpu_busy_percent is showing me 100 all the time, and sometimes jumps a little
lower, maybe 87, 95, then back to 100.
Despite all of this the GPU frequency is slowly and gradually dropping down,
until it reaches the lowest frequency and then jumps back to maximum.
It does look like a bug to me...
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #16 from Alex Deucher <alexdeucher@gmail.com> ---
It sounds like the GPU is getting throttled due to power temperature. Is the
cooling solution on your GPU clean and working properly? Do you have an
adequate power supply?
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@ 2019-10-17 18:41 ` bugzilla-daemon
2019-11-19 9:58 ` bugzilla-daemon
18 siblings, 0 replies; 20+ messages in thread
From: bugzilla-daemon @ 2019-10-17 18:41 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
--- Comment #17 from Witold Baryluk <witold.baryluk+freedesktop@gmail.com> ---
I also tried echo profile_peak > power_dpm_force_performance_level , and
initially the sclk stays at the highest level, but after a minute, it does drop
just like other profiles.
As of of cooling and PSU. I am sure I have plenty of headroom.
The hwmon reports ~207W power at highest clock state, but temperature as
reported by hwmon stays at 39 deg C. At lower clock states it drops to 37 deg
C, and to about 35 deg C at idle.
Looks to be just fine to me.
My PC case do have extra ventilation, and CPU is pretty much idle.
My PSU is Seasonic Prime Titanium (1000W). I have:
Motherboard: MSI MEG Creation X399
GPU: AMD Threadripper 2950X at stock, liquid cooled, idle (~5% load), about 46
deg C.
RAM: 8x16GB Samsung DDR4 ECC
GPU: AMD Radeon Fury X, water cooled
NIC: Melanox ConnectX-3
Storage: 2x Samsung PM983 via U.2
Cooling: Plenty of fans in Fractal Define R6 USB-C case.
I just opened the case, and verified that two 8-pin PCI-E connectors are
connected to GPU and PSU. I also verified that extra (optional, even on multi
GPU systems) power connectors to MB are also connected to MB and PSU.
GPU radiator is above the GPU, and is not hot to the touch or anything. Fan on
it is spinning at max.
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* [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX
2019-10-13 5:03 [Bug 111987] Unstable performance (periodic and repeating patterns of fps change) and changing VDDGFX bugzilla-daemon
` (17 preceding siblings ...)
2019-10-17 18:41 ` bugzilla-daemon
@ 2019-11-19 9:58 ` bugzilla-daemon
18 siblings, 0 replies; 20+ messages in thread
From: bugzilla-daemon @ 2019-11-19 9:58 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=111987
Martin Peres <martin.peres@free.fr> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |MOVED
--- Comment #18 from Martin Peres <martin.peres@free.fr> ---
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This bug has been migrated to freedesktop.org's GitLab instance and has been
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