Peter/pr/dtrace init fixes 01 bisect #3 [DO NOT REVIEW]#4925
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ujfalusi wants to merge 6 commits intothesofproject:mainfrom
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Peter/pr/dtrace init fixes 01 bisect #3 [DO NOT REVIEW]#4925ujfalusi wants to merge 6 commits intothesofproject:mainfrom
ujfalusi wants to merge 6 commits intothesofproject:mainfrom
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dma_trace_buffer_init() can only fail if the rballoc fails so there is no need to call dma_trace_buffer_free() as the buffer has not been allocated Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
The current dma_trace_buffer_init() which allocates and initializes the dtrace buffer is re-tasked to simply (re-)initialize the dtrace buffer along with placing the markers at the same function. The allocation of the buffer is split out to dma_trace_buffer_alloc() which calls the dma_trace_buffer_init() to get the buffer initialized. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
…nfig We should stop the task before the dtrace channel is stopped when we need to re-configure it. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Do not attempt to allocate the dtrace buffer again if it has been already allocated. This only possible if we are re-configuring the dtrace which implies that we also must have the DMA channel. In such case, skip the allocation and do a re-init of the buffer after the DMA channel has been stopped. Reported-by: Keyon Jie <yang.jie@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
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Step by step bisect to identify the TIMEOUT source if it is caused by the PR