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Add debug flag to override kernel preemption level

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Change-Id: I22a813c5ce1811317b0425d391f30b290fc03ec9
Signed-off-by: Zbigniew Zdanowicz <zbigniew.zdanowicz@intel.com>
This commit is contained in:
Zbigniew Zdanowicz
2020-04-30 17:07:07 +02:00
committed by sys_ocldev
parent f09ffb7ba1
commit 701542e046
4 changed files with 29 additions and 0 deletions
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3
shared/source/command_stream/preemption.cpp
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@@ -38,6 +38,9 @@ bool PreemptionHelper::allowMidThreadPreemption(const PreemptionFlags &flags) {
}
PreemptionMode PreemptionHelper::taskPreemptionMode(PreemptionMode devicePreemptionMode, const PreemptionFlags &flags) {
if (DebugManager.flags.ForceKernelPreemptionMode.get() != -1) {
return static_cast<PreemptionMode>(DebugManager.flags.ForceKernelPreemptionMode.get());
}
if (devicePreemptionMode == PreemptionMode::Disabled) {
return PreemptionMode::Disabled;
}

1
shared/source/debug_settings/debug_variables_base.inl
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@@ -165,6 +165,7 @@ DECLARE_DEBUG_VARIABLE(int64_t, ForceSystemMemoryPlacement, 0, "0: default, >0:
DECLARE_DEBUG_VARIABLE(int64_t, ForceNonSystemMemoryPlacement, 0, "0: default, >0: (bitmask) for given Graphics Allocation Type, force non-system memory placement")
DECLARE_DEBUG_VARIABLE(int32_t, ForceOCLVersion, 0, "Force specific OpenCL API version")
DECLARE_DEBUG_VARIABLE(int32_t, ForcePreemptionMode, -1, "Keep this variable in sync with PreemptionMode enum. -1 - devices default mode, 1 - disable, 2 - midBatch, 3 - threadGroup, 4 - midThread")
DECLARE_DEBUG_VARIABLE(int32_t, ForceKernelPreemptionMode, -1, "Keep this variable in sync with PreemptionMode enum. -1 - kernel default mode, 1 - disable, 2 - midBatch, 3 - threadGroup, 4 - midThread")
DECLARE_DEBUG_VARIABLE(int32_t, NodeOrdinal, -1, "-1: default do not override, 0: ENGINE_RCS")
DECLARE_DEBUG_VARIABLE(int32_t, OverrideThreadArbitrationPolicy, -1, "-1 (dont override) or any valid config (0: Age Based, 1: Round Robin)")
DECLARE_DEBUG_VARIABLE(int32_t, OverrideAubDeviceId, -1, "-1 dont override, any other: use this value for AUB generation device id")