Revert "Remove unnecessary flush in event profiling"

This reverts commit a0db607.

Signed-off-by: Jaime Arteaga <[email protected]>

Author: Jaime Arteaga

level_zero/core/source/cmdlist/cmdlist_hw.inl

@@ -1536,6 +1536,7 @@ void CommandListCoreFamily<gfxCoreFamily>::appendEventForProfiling(ze_event_hand
         } else {
 
             NEO::PipeControlArgs args = {};
+            args.dcFlushEnable = true;
 
             NEO::MemorySynchronizationCommands<GfxFamily>::addPipeControl(*commandContainer.getCommandStream(), args);
             appendWriteKernelTimestamp(hEvent, beforeWalker, true);

level_zero/core/test/unit_tests/sources/cmdlist/test_cmdlist_append_launch_kernel.cpp

@@ -337,7 +337,7 @@ HWTEST2_F(CommandListAppendLaunchKernel, givenTimestampEventsWhenAppendingKernel
     {
         auto cmd = genCmdCast<PIPE_CONTROL *>(*itor);
         EXPECT_TRUE(cmd->getCommandStreamerStallEnable());
-        EXPECT_FALSE(cmd->getDcFlushEnable());
+        EXPECT_TRUE(cmd->getDcFlushEnable());
     }
     itor++;