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trcMultiCoreEventBuffer.c
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trcMultiCoreEventBuffer.c
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/*
* Percepio Trace Recorder for Tracealyzer v4.9.2
* Copyright 2023 Percepio AB
* www.percepio.com
*
* SPDX-License-Identifier: Apache-2.0
*
* The interface for the multi-core event buffer.
*/
#include <trcRecorder.h>
#if (TRC_USE_TRACEALYZER_RECORDER == 1) && (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
traceResult xTraceMultiCoreEventBufferInitialize(TraceMultiCoreEventBuffer_t* const pxTraceMultiCoreEventBuffer, uint32_t uiOptions,
uint8_t* puiBuffer, uint32_t uiSize)
{
uint32_t i;
uint32_t uiBufferSizePerCore;
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
/* This should never fail */
TRC_ASSERT(puiBuffer != (void*)0);
uiBufferSizePerCore = ((uiSize / (uint32_t)(TRC_CFG_CORE_COUNT)) / sizeof(TraceUnsignedBaseType_t)) * sizeof(TraceUnsignedBaseType_t); /* BaseType aligned */
/* This should never fail */
TRC_ASSERT(uiBufferSizePerCore != 0u);
for (i = 0u; i < (uint32_t)(TRC_CFG_CORE_COUNT); i++)
{
/* Set the event buffer pointers to point into the allocated space we have been given, this ensures
* a flat memory layout necessary for usage in streaming snaphot. */
pxTraceMultiCoreEventBuffer->xEventBuffer[i] = (TraceEventBuffer_t*)(&puiBuffer[i * uiBufferSizePerCore]); /*cstat !MISRAC2004-11.4 !MISRAC2012-Rule-11.3 Suppress conversion between pointer types checks*/ /*cstat !MISRAC2004-17.4_b We need to access a spcific point in the buffer*/
/* Initialize the event buffer structure with its memory buffer placed following its own structure data. */
/* We need to check this */
if (xTraceEventBufferInitialize(pxTraceMultiCoreEventBuffer->xEventBuffer[i], uiOptions,
&puiBuffer[(i * uiBufferSizePerCore) + sizeof(TraceEventBuffer_t)], /*cstat !MISRAC2004-17.4_b We need to access a specific point in the buffer*/
uiBufferSizePerCore - sizeof(TraceEventBuffer_t)) == TRC_FAIL)
{
return TRC_FAIL;
}
}
return TRC_SUCCESS;
}
#if ((TRC_CFG_USE_TRACE_ASSERT) == 1)
/*cstat !MISRAC2012-Rule-5.1 Yes, these are long names*/
traceResult xTraceMultiCoreEventBufferAlloc(const TraceMultiCoreEventBuffer_t * const pxTraceMultiCoreEventBuffer, uint32_t uiSize,
void **ppvData)
{
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
TRC_ASSERT((TRC_CFG_GET_CURRENT_CORE()) < (TRC_CFG_CORE_COUNT));
return xTraceEventBufferAlloc(pxTraceMultiCoreEventBuffer->xEventBuffer[TRC_CFG_GET_CURRENT_CORE()], uiSize, ppvData);
}
/*cstat !MISRAC2012-Rule-5.1 Yes, these are long names*/
traceResult xTraceMultiCoreEventBufferAllocCommit(const TraceMultiCoreEventBuffer_t * const pxTraceMultiCoreEventBuffer, void *pvData, uint32_t uiSize, int32_t *piBytesWritten)
{
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
TRC_ASSERT((TRC_CFG_GET_CURRENT_CORE()) < (TRC_CFG_CORE_COUNT));
return xTraceEventBufferAllocCommit(pxTraceMultiCoreEventBuffer->xEventBuffer[TRC_CFG_GET_CURRENT_CORE()], pvData, uiSize, piBytesWritten);
}
traceResult xTraceMultiCoreEventBufferPush(const TraceMultiCoreEventBuffer_t* const pxTraceMultiCoreEventBuffer,
void* pvData, uint32_t uiSize, int32_t* piBytesWritten)
{
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
TRC_ASSERT((TRC_CFG_GET_CURRENT_CORE()) < (TRC_CFG_CORE_COUNT));
return xTraceEventBufferPush(pxTraceMultiCoreEventBuffer->xEventBuffer[TRC_CFG_GET_CURRENT_CORE()], pvData, uiSize, piBytesWritten);
}
#endif
/*cstat !MISRAC2012-Rule-5.1 Yes, these are long names*/
traceResult xTraceMultiCoreEventBufferTransferAll(const TraceMultiCoreEventBuffer_t* const pxTraceMultiCoreEventBuffer, int32_t* piBytesWritten)
{
int32_t iBytesWritten = 0;
uint32_t uiCoreId;
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
/* This should never fail */
TRC_ASSERT(piBytesWritten != (void*)0);
*piBytesWritten = 0;
for (uiCoreId = 0u; uiCoreId < (uint32_t)(TRC_CFG_CORE_COUNT); uiCoreId++)
{
/* We need to check this */
if (xTraceEventBufferTransferAll(pxTraceMultiCoreEventBuffer->xEventBuffer[uiCoreId], &iBytesWritten) == TRC_FAIL)
{
return TRC_FAIL;
}
*piBytesWritten += iBytesWritten;
}
return TRC_SUCCESS;
}
/*cstat !MISRAC2012-Rule-5.1 Yes, these are long names*/
traceResult xTraceMultiCoreEventBufferTransferChunk(const TraceMultiCoreEventBuffer_t* const pxTraceMultiCoreEventBuffer, uint32_t uiChunkSize, int32_t* piBytesWritten)
{
int32_t iBytesWritten = 0;
uint32_t uiCoreId;
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
/* This should never fail */
TRC_ASSERT(piBytesWritten != (void*)0);
*piBytesWritten = 0;
for (uiCoreId = 0u; uiCoreId < (uint32_t)(TRC_CFG_CORE_COUNT); uiCoreId++)
{
/* We need to check this */
if (xTraceEventBufferTransferChunk(pxTraceMultiCoreEventBuffer->xEventBuffer[uiCoreId], uiChunkSize, &iBytesWritten) == TRC_FAIL)
{
return TRC_FAIL;
}
*piBytesWritten += iBytesWritten;
}
return TRC_SUCCESS;
}
traceResult xTraceMultiCoreEventBufferClear(const TraceMultiCoreEventBuffer_t* const pxTraceMultiCoreEventBuffer)
{
uint32_t uiCoreId;
/* This should never fail */
TRC_ASSERT(pxTraceMultiCoreEventBuffer != (void*)0);
for (uiCoreId = 0u; uiCoreId < (uint32_t)(TRC_CFG_CORE_COUNT); uiCoreId++)
{
/* This should never fail */
TRC_ASSERT_ALWAYS_EVALUATE(xTraceEventBufferClear(pxTraceMultiCoreEventBuffer->xEventBuffer[uiCoreId]) == TRC_SUCCESS);
}
return TRC_SUCCESS;
}
#endif