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117 lines
4.5 KiB
C
117 lines
4.5 KiB
C
/*
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* Percepio Trace Recorder for Tracealyzer v4.6.0
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* Copyright 2021 Percepio AB
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* www.percepio.com
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* The interface for the multi-core event buffer.
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*/
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#include <trcRecorder.h>
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#if ( TRC_USE_TRACEALYZER_RECORDER == 1 )
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#if ( TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING )
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traceResult xTraceMultiCoreEventBufferInitialize( TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer,
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uint32_t uiOptions,
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uint8_t * puiBuffer,
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uint32_t uiSize )
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{
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uint32_t i;
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/* This should never fail */
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TRC_ASSERT( pxTraceMultiCoreEventBuffer != 0 );
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/* This should never fail */
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TRC_ASSERT( puiBuffer != 0 );
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uint32_t uiBufferSizePerCore = uiSize / TRC_CFG_CORE_COUNT;
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/* This should never fail */
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TRC_ASSERT( uiBufferSizePerCore != 0 );
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for( i = 0; i < TRC_CFG_CORE_COUNT; i++ )
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{
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/* Set the event buffer pointers to point into the allocated space we have been given, this ensures
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* a flat memory layout necessary for usage in streaming snaphot. */
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pxTraceMultiCoreEventBuffer->xEventBuffer[ i ] = ( TraceEventBuffer_t * ) ( &puiBuffer[ i * uiBufferSizePerCore ] );
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/* Initialize the event buffer structure with its memory buffer placed following its own structure data. */
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/* We need to check this */
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if( xTraceEventBufferInitialize( pxTraceMultiCoreEventBuffer->xEventBuffer[ i ], uiOptions,
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&puiBuffer[ ( i * uiBufferSizePerCore ) + sizeof( TraceEventBuffer_t ) ],
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uiBufferSizePerCore - sizeof( TraceEventBuffer_t ) ) == TRC_FAIL )
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{
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return TRC_FAIL;
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}
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}
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return TRC_SUCCESS;
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}
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#if ( ( TRC_CFG_USE_TRACE_ASSERT ) == 1 )
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traceResult xTraceMultiCoreEventBufferPush( TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer,
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void * pvData,
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uint32_t uiSize,
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int32_t * piBytesWritten )
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{
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/* This should never fail */
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TRC_ASSERT( pxTraceMultiCoreEventBuffer != 0 );
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TRC_ASSERT( ( TRC_CFG_GET_CURRENT_CORE() ) < ( TRC_CFG_CORE_COUNT ) );
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return xTraceEventBufferPush( pxTraceMultiCoreEventBuffer->xEventBuffer[ TRC_CFG_GET_CURRENT_CORE() ], pvData, uiSize, piBytesWritten );
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}
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#endif /* if ( ( TRC_CFG_USE_TRACE_ASSERT ) == 1 ) */
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traceResult xTraceMultiCoreEventBufferTransfer( TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer,
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int32_t * piBytesWritten )
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{
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int32_t iBytesWritten = 0;
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uint32_t coreId;
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/* This should never fail */
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TRC_ASSERT( pxTraceMultiCoreEventBuffer != 0 );
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/* This should never fail */
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TRC_ASSERT( piBytesWritten != 0 );
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*piBytesWritten = 0;
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for( coreId = 0; coreId < TRC_CFG_CORE_COUNT; coreId++ )
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{
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/* We need to check this */
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if( xTraceEventBufferTransfer( pxTraceMultiCoreEventBuffer->xEventBuffer[ coreId ], &iBytesWritten ) == TRC_FAIL )
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{
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return TRC_FAIL;
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}
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*piBytesWritten += iBytesWritten;
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}
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return TRC_SUCCESS;
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}
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traceResult xTraceMultiCoreEventBufferClear( TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer )
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{
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uint32_t coreId;
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/* This should never fail */
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TRC_ASSERT( pxTraceMultiCoreEventBuffer != 0 );
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for( coreId = 0; coreId < TRC_CFG_CORE_COUNT; coreId++ )
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{
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/* This should never fail */
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TRC_ASSERT_ALWAYS_EVALUATE( xTraceEventBufferClear( pxTraceMultiCoreEventBuffer->xEventBuffer[ coreId ] ) == TRC_SUCCESS );
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}
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return TRC_SUCCESS;
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}
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#endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
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#endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
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