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Add PowerSaving debug variable.

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- It allows to easily turn ON the power saving mode for the driver.
- In that mode, whenever GPU is not ready it will put current thread to sleep,
thread is resumed when GPU completes.
- PowerSaving mode reduces CPU utilization on blocking calls, while increasing
completion latencies.

Change-Id: I3de83713687952ac31a1ec8c397f48aa4212781d
This commit is contained in:
Mrozek, Michal
2018-11-14 17:33:20 +01:00
committed by sys_ocldev
parent 8c87fdd431
commit 4341ad0323
5 changed files with 45 additions and 2 deletions
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2
unit_tests/event/event_tests.cpp
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@@ -1389,6 +1389,7 @@ HWTEST_F(EventTest, givenQuickKmdSleepRequestWhenWaitIsCalledThenPassRequestToWa
pDevice->resetCommandStreamReceiver(csr);
Event event(pCmdQ, CL_COMMAND_NDRANGE_KERNEL, 0, 0);
event.updateCompletionStamp(1u, 1u, 1u);
EXPECT_CALL(*csr, waitForCompletionWithTimeout(::testing::_,
localHwInfo.capabilityTable.kmdNotifyProperties.delayQuickKmdSleepMicroseconds, ::testing::_))
@@ -1414,6 +1415,7 @@ HWTEST_F(EventTest, givenNonQuickKmdSleepRequestWhenWaitIsCalledThenPassRequestT
pDevice->resetCommandStreamReceiver(csr);
Event event(pCmdQ, CL_COMMAND_NDRANGE_KERNEL, 0, 0);
event.updateCompletionStamp(1u, 1u, 1u);
EXPECT_CALL(*csr, waitForCompletionWithTimeout(::testing::_,
localHwInfo.capabilityTable.kmdNotifyProperties.delayKmdNotifyMicroseconds, ::testing::_))