1 /*
2 * Percepio Trace Recorder for Tracealyzer v4.6.6
3 * Copyright 2021 Percepio AB
4 * www.percepio.com
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 *
8 * The interface for the multi-core event buffer.
9 */
10
11 #include <trcRecorder.h>
12
13 #if (TRC_USE_TRACEALYZER_RECORDER == 1)
14
15 #if (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING)
16
xTraceMultiCoreEventBufferInitialize(TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer,uint32_t uiOptions,uint8_t * puiBuffer,uint32_t uiSize)17 traceResult xTraceMultiCoreEventBufferInitialize(TraceMultiCoreEventBuffer_t* pxTraceMultiCoreEventBuffer, uint32_t uiOptions,
18 uint8_t* puiBuffer, uint32_t uiSize)
19 {
20 uint32_t i;
21 uint32_t uiBufferSizePerCore;
22
23 /* This should never fail */
24 TRC_ASSERT(pxTraceMultiCoreEventBuffer != 0);
25
26 /* This should never fail */
27 TRC_ASSERT(puiBuffer != 0);
28
29 uiBufferSizePerCore = uiSize / TRC_CFG_CORE_COUNT;
30
31 /* This should never fail */
32 TRC_ASSERT(uiBufferSizePerCore != 0);
33
34 for (i = 0; i < TRC_CFG_CORE_COUNT; i++)
35 {
36 /* Set the event buffer pointers to point into the allocated space we have been given, this ensures
37 * a flat memory layout necessary for usage in streaming snaphot. */
38 pxTraceMultiCoreEventBuffer->xEventBuffer[i] = (TraceEventBuffer_t*)(&puiBuffer[i * uiBufferSizePerCore]);
39
40 /* Initialize the event buffer structure with its memory buffer placed following its own structure data. */
41 /* We need to check this */
42 if (xTraceEventBufferInitialize(pxTraceMultiCoreEventBuffer->xEventBuffer[i], uiOptions,
43 &puiBuffer[(i * uiBufferSizePerCore) + sizeof(TraceEventBuffer_t)],
44 uiBufferSizePerCore - sizeof(TraceEventBuffer_t)) == TRC_FAIL)
45 {
46 return TRC_FAIL;
47 }
48 }
49
50 return TRC_SUCCESS;
51 }
52
53 #if ((TRC_CFG_USE_TRACE_ASSERT) == 1)
54
xTraceMultiCoreEventBufferPush(TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer,void * pvData,uint32_t uiSize,int32_t * piBytesWritten)55 traceResult xTraceMultiCoreEventBufferPush(TraceMultiCoreEventBuffer_t* pxTraceMultiCoreEventBuffer,
56 void* pvData, uint32_t uiSize, int32_t* piBytesWritten)
57 {
58 /* This should never fail */
59 TRC_ASSERT(pxTraceMultiCoreEventBuffer != 0);
60
61 TRC_ASSERT((TRC_CFG_GET_CURRENT_CORE()) < (TRC_CFG_CORE_COUNT));
62
63 return xTraceEventBufferPush(pxTraceMultiCoreEventBuffer->xEventBuffer[TRC_CFG_GET_CURRENT_CORE()], pvData, uiSize, piBytesWritten);
64 }
65
66 #endif
67
xTraceMultiCoreEventBufferTransfer(TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer,int32_t * piBytesWritten)68 traceResult xTraceMultiCoreEventBufferTransfer(TraceMultiCoreEventBuffer_t* pxTraceMultiCoreEventBuffer, int32_t* piBytesWritten)
69 {
70 int32_t iBytesWritten = 0;
71 uint32_t coreId;
72
73 /* This should never fail */
74 TRC_ASSERT(pxTraceMultiCoreEventBuffer != 0);
75
76 /* This should never fail */
77 TRC_ASSERT(piBytesWritten != 0);
78
79 *piBytesWritten = 0;
80
81 for (coreId = 0; coreId < TRC_CFG_CORE_COUNT; coreId++)
82 {
83 /* We need to check this */
84 if (xTraceEventBufferTransfer(pxTraceMultiCoreEventBuffer->xEventBuffer[coreId], &iBytesWritten) == TRC_FAIL)
85 {
86 return TRC_FAIL;
87 }
88
89 *piBytesWritten += iBytesWritten;
90 }
91
92 return TRC_SUCCESS;
93 }
94
xTraceMultiCoreEventBufferClear(TraceMultiCoreEventBuffer_t * pxTraceMultiCoreEventBuffer)95 traceResult xTraceMultiCoreEventBufferClear(TraceMultiCoreEventBuffer_t* pxTraceMultiCoreEventBuffer)
96 {
97 uint32_t coreId;
98
99 /* This should never fail */
100 TRC_ASSERT(pxTraceMultiCoreEventBuffer != 0);
101
102 for (coreId = 0; coreId < TRC_CFG_CORE_COUNT; coreId++)
103 {
104 /* This should never fail */
105 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEventBufferClear(pxTraceMultiCoreEventBuffer->xEventBuffer[coreId]) == TRC_SUCCESS);
106 }
107
108 return TRC_SUCCESS;
109 }
110
111 #endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
112
113 #endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
114
