1 /*
2 * Trace Recorder for Tracealyzer v4.9.2
3 * Copyright 2023 Percepio AB
4 * www.percepio.com
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 *
8 * The implementation of the internal buffer.
9 */
10
11 #include <trcRecorder.h>
12
13 #if (TRC_USE_TRACEALYZER_RECORDER == 1) && (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) && (TRC_USE_INTERNAL_BUFFER == 1)
14
15 #include <stdio.h>
16 #include <string.h>
17 #include <stdarg.h>
18
19 static TraceMultiCoreEventBuffer_t *pxInternalEventBuffer TRC_CFG_RECORDER_DATA_ATTRIBUTE;
20
xTraceInternalEventBufferInitialize(uint8_t * puiBuffer,uint32_t uiSize)21 traceResult xTraceInternalEventBufferInitialize(uint8_t* puiBuffer, uint32_t uiSize)
22 {
23 /* uiSize must be larger than sizeof(TraceMultiCoreEventBuffer_t) or there will be no room for any data */
24 /* This should never fail */
25 TRC_ASSERT(uiSize > sizeof(TraceMultiCoreEventBuffer_t));
26
27 /* pxInternalBuffer will be placed at the beginning of the puiBuffer */
28 pxInternalEventBuffer = (TraceMultiCoreEventBuffer_t*)puiBuffer;
29
30 /* Send in a an address pointing after the TraceMultiCoreEventBuffer_t */
31 /* We need to check this */
32 if (xTraceMultiCoreEventBufferInitialize(pxInternalEventBuffer, TRC_EVENT_BUFFER_OPTION_SKIP,
33 &puiBuffer[sizeof(TraceMultiCoreEventBuffer_t)], uiSize - sizeof(TraceMultiCoreEventBuffer_t)) == TRC_FAIL)
34 {
35 return TRC_FAIL;
36 }
37
38 xTraceSetComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER);
39
40 return TRC_SUCCESS;
41 }
42
xTraceInternalEventBufferAlloc(uint32_t uiSize,void ** ppvData)43 traceResult xTraceInternalEventBufferAlloc(uint32_t uiSize, void **ppvData)
44 {
45 /* This should never fail */
46 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
47
48 return xTraceMultiCoreEventBufferAlloc(pxInternalEventBuffer, uiSize, ppvData);
49 }
50
xTraceInternalEventBufferAllocCommit(void * pvData,uint32_t uiSize,int32_t * piBytesWritten)51 traceResult xTraceInternalEventBufferAllocCommit(void *pvData, uint32_t uiSize, int32_t *piBytesWritten)
52 {
53 (void)pvData;
54
55 /* This should never fail */
56 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
57
58 return xTraceMultiCoreEventBufferAllocCommit(pxInternalEventBuffer, pvData, uiSize, piBytesWritten);
59 }
60
xTraceInternalEventBufferPush(void * pvData,uint32_t uiSize,int32_t * piBytesWritten)61 traceResult xTraceInternalEventBufferPush(void *pvData, uint32_t uiSize, int32_t *piBytesWritten)
62 {
63 /* This should never fail */
64 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
65
66 return xTraceMultiCoreEventBufferPush(pxInternalEventBuffer, pvData, uiSize, piBytesWritten);
67 }
68
xTraceInternalEventBufferTransferAll(void)69 traceResult xTraceInternalEventBufferTransferAll(void)
70 {
71 int32_t iBytesWritten = 0;
72
73 /* This should never fail */
74 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
75
76 return xTraceMultiCoreEventBufferTransferAll(pxInternalEventBuffer, &iBytesWritten);
77 }
78
xTraceInternalEventBufferTransferChunk(void)79 traceResult xTraceInternalEventBufferTransferChunk(void)
80 {
81 int32_t iBytesWritten = 0;
82 int32_t iCounter = 0;
83
84 /* This should never fail */
85 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
86
87 do
88 {
89 if (xTraceMultiCoreEventBufferTransferChunk(pxInternalEventBuffer, TRC_INTERNAL_BUFFER_CHUNK_SIZE, &iBytesWritten) == TRC_FAIL)
90 {
91 return TRC_FAIL;
92 }
93
94 iCounter++;
95 /* This will do another loop if TRC_INTERNAL_BUFFER_CHUNK_TRANSFER_AGAIN_SIZE_LIMIT of data was transferred and we haven't already looped TRC_INTERNAL_BUFFER_CHUNK_TRANSFER_AGAIN_COUNT_LIMIT number of times */
96 } while (iBytesWritten >= (int32_t)(TRC_INTERNAL_BUFFER_CHUNK_TRANSFER_AGAIN_SIZE_LIMIT) && iCounter < (int32_t)(TRC_INTERNAL_BUFFER_CHUNK_TRANSFER_AGAIN_COUNT_LIMIT));
97
98 return TRC_SUCCESS;
99 }
100
xTraceInternalEventBufferClear()101 traceResult xTraceInternalEventBufferClear()
102 {
103 /* This should never fail */
104 TRC_ASSERT(xTraceIsComponentInitialized(TRC_RECORDER_COMPONENT_INTERNAL_EVENT_BUFFER));
105
106 return xTraceMultiCoreEventBufferClear(pxInternalEventBuffer);
107 }
108
109 #endif
110
