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 implementation for heaps.
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
17 #if (TRC_USE_HEAPS == 1)
18
xTraceHeapCreate(const char * szName,TraceUnsignedBaseType_t uxCurrent,TraceUnsignedBaseType_t uxHighWaterMark,TraceUnsignedBaseType_t uxMax,TraceHeapHandle_t * pxHeapHandle)19 traceResult xTraceHeapCreate(const char *szName, TraceUnsignedBaseType_t uxCurrent, TraceUnsignedBaseType_t uxHighWaterMark, TraceUnsignedBaseType_t uxMax, TraceHeapHandle_t *pxHeapHandle)
20 {
21 TraceUnsignedBaseType_t uxStates[3];
22
23 uxStates[TRC_HEAP_STATE_INDEX_CURRENT] = uxCurrent;
24 uxStates[TRC_HEAP_STATE_INDEX_HIGHWATERMARK] = uxHighWaterMark;
25 uxStates[TRC_HEAP_STATE_INDEX_MAX] = uxMax;
26
27 return xTraceObjectRegisterInternal(PSF_EVENT_HEAP_CREATE, 0, szName, 3, uxStates, TRC_ENTRY_OPTION_HEAP, (TraceObjectHandle_t*)pxHeapHandle);
28 }
29
xTraceHeapAlloc(TraceHeapHandle_t xHeapHandle,void * pvAddress,TraceUnsignedBaseType_t uxSize)30 traceResult xTraceHeapAlloc(TraceHeapHandle_t xHeapHandle, void *pvAddress, TraceUnsignedBaseType_t uxSize)
31 {
32 TraceUnsignedBaseType_t uxCurrent, uxHighWaterMark;
33 TraceEventHandle_t xEventHandle = 0;
34
35 if (xHeapHandle == 0)
36 {
37 /* This can happen */
38 return TRC_FAIL;
39 }
40
41 /* If the address is null we assume this was a failed alloc attempt */
42 if (pvAddress != 0)
43 {
44 /* This should never fail */
45 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntryGetState(xHeapHandle, TRC_HEAP_STATE_INDEX_CURRENT, &uxCurrent) == TRC_SUCCESS);
46
47 /* This should never fail */
48 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntryGetState(xHeapHandle, TRC_HEAP_STATE_INDEX_HIGHWATERMARK, &uxHighWaterMark) == TRC_SUCCESS);
49
50 uxCurrent += uxSize;
51
52 if (uxCurrent > uxHighWaterMark)
53 {
54 uxHighWaterMark = uxCurrent;
55 /* This should never fail */
56 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntrySetState(xHeapHandle, TRC_HEAP_STATE_INDEX_HIGHWATERMARK, uxHighWaterMark) == TRC_SUCCESS);
57 }
58
59 /* This should never fail */
60 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntrySetState(xHeapHandle, TRC_HEAP_STATE_INDEX_CURRENT, uxCurrent) == TRC_SUCCESS);
61 }
62
63 /* We need to check this */
64 if (xTraceEventBegin(pvAddress != 0 ? PSF_EVENT_MALLOC : PSF_EVENT_MALLOC_FAILED, sizeof(void*) + sizeof(TraceUnsignedBaseType_t), &xEventHandle) == TRC_SUCCESS)
65 {
66 xTraceEventAddPointer(xEventHandle, pvAddress);
67 xTraceEventAddUnsignedBaseType(xEventHandle, uxSize);
68 xTraceEventEnd(xEventHandle);
69 }
70
71 return TRC_SUCCESS;
72 }
73
xTraceHeapFree(TraceHeapHandle_t xHeapHandle,void * pvAddress,TraceUnsignedBaseType_t uxSize)74 traceResult xTraceHeapFree(TraceHeapHandle_t xHeapHandle, void *pvAddress, TraceUnsignedBaseType_t uxSize)
75 {
76 TraceUnsignedBaseType_t uxCurrent;
77 TraceEventHandle_t xEventHandle = 0;
78
79 if (xHeapHandle == 0)
80 {
81 /* This can happen */
82 return TRC_FAIL;
83 }
84
85 /* If the address is null we assume this was a failed alloc attempt */
86 if (pvAddress != 0)
87 {
88 /* This should never fail */
89 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntryGetState(xHeapHandle, TRC_HEAP_STATE_INDEX_CURRENT, &uxCurrent) == TRC_SUCCESS);
90
91 uxCurrent -= uxSize;
92
93 /* This should never fail */
94 TRC_ASSERT_ALWAYS_EVALUATE(xTraceEntrySetState(xHeapHandle, TRC_HEAP_STATE_INDEX_CURRENT, uxCurrent) == TRC_SUCCESS);
95 }
96
97 /* We need to check this */
98 if (xTraceEventBegin(pvAddress != 0 ? PSF_EVENT_FREE : PSF_EVENT_FREE_FAILED, sizeof(void*) + sizeof(TraceUnsignedBaseType_t), &xEventHandle) == TRC_SUCCESS)
99 {
100 xTraceEventAddPointer(xEventHandle, pvAddress);
101 xTraceEventAddUnsignedBaseType(xEventHandle, uxSize);
102 xTraceEventEnd(xEventHandle);
103 }
104
105 return TRC_SUCCESS;
106 }
107
108 #endif /* (TRC_USE_HEAPS == 1) */
109
110 #endif /* (TRC_CFG_RECORDER_MODE == TRC_RECORDER_MODE_STREAMING) */
111
112 #endif /* (TRC_USE_TRACEALYZER_RECORDER == 1) */
113