1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include "los_trace_pri.h"
33 #include "trace_pipeline.h"
34
35 #ifdef __cplusplus
36 #if __cplusplus
37 extern "C" {
38 #endif /* __cplusplus */
39 #endif /* __cplusplus */
40
41 #if (LOSCFG_RECORDER_MODE_OFFLINE == 1)
42 #define BITS_NUM_FOR_TASK_ID 16
43
44 LITE_OS_SEC_BSS STATIC TraceOfflineHeaderInfo g_traceRecoder;
45 LITE_OS_SEC_BSS STATIC UINT32 g_tidMask[LOSCFG_BASE_CORE_TSK_LIMIT] = {0};
46
OsTraceGetMaskTid(UINT32 tid)47 UINT32 OsTraceGetMaskTid(UINT32 tid)
48 {
49 return tid | ((tid < LOSCFG_BASE_CORE_TSK_LIMIT) ? g_tidMask[tid] << BITS_NUM_FOR_TASK_ID : 0); /* tid < 65535 */
50 }
51
OsTraceBufInit(UINT32 size)52 UINT32 OsTraceBufInit(UINT32 size)
53 {
54 UINT32 headSize;
55 VOID *buf = NULL;
56 headSize = sizeof(OfflineHead) + sizeof(ObjData) * LOSCFG_TRACE_OBJ_MAX_NUM;
57 if (size <= headSize) {
58 TRACE_ERROR("trace buf size not enough than 0x%x\n", headSize);
59 return LOS_ERRNO_TRACE_BUF_TOO_SMALL;
60 }
61
62 buf = LOS_MemAlloc(m_aucSysMem0, size);
63 if (buf == NULL) {
64 return LOS_ERRNO_TRACE_NO_MEMORY;
65 }
66
67 (VOID)memset_s(buf, size, 0, size);
68 g_traceRecoder.head = (OfflineHead *)buf;
69 g_traceRecoder.head->baseInfo.bigLittleEndian = TRACE_BIGLITTLE_WORD;
70 g_traceRecoder.head->baseInfo.version = TRACE_VERSION(TRACE_MODE_OFFLINE);
71 g_traceRecoder.head->baseInfo.clockFreq = g_sysClock;
72 g_traceRecoder.head->objSize = sizeof(ObjData);
73 g_traceRecoder.head->frameSize = sizeof(TraceEventFrame);
74 g_traceRecoder.head->objOffset = sizeof(OfflineHead);
75 g_traceRecoder.head->frameOffset = headSize;
76 g_traceRecoder.head->totalLen = size;
77
78 g_traceRecoder.ctrl.curIndex = 0;
79 g_traceRecoder.ctrl.curObjIndex = 0;
80 g_traceRecoder.ctrl.maxObjCount = LOSCFG_TRACE_OBJ_MAX_NUM;
81 g_traceRecoder.ctrl.maxRecordCount = (size - headSize) / sizeof(TraceEventFrame);
82 g_traceRecoder.ctrl.objBuf = (ObjData *)((UINTPTR)buf + g_traceRecoder.head->objOffset);
83 g_traceRecoder.ctrl.frameBuf = (TraceEventFrame *)((UINTPTR)buf + g_traceRecoder.head->frameOffset);
84
85 return LOS_OK;
86 }
87
OsTraceObjAdd(UINT32 eventType,UINT32 taskId)88 VOID OsTraceObjAdd(UINT32 eventType, UINT32 taskId)
89 {
90 UINT32 intSave;
91 UINT32 index;
92 ObjData *obj = NULL;
93
94 TRACE_LOCK(intSave);
95 /* add obj begin */
96 index = g_traceRecoder.ctrl.curObjIndex;
97 if (index >= LOSCFG_TRACE_OBJ_MAX_NUM) { /* do nothing when config LOSCFG_TRACE_OBJ_MAX_NUM = 0 */
98 TRACE_UNLOCK(intSave);
99 return;
100 }
101 obj = &g_traceRecoder.ctrl.objBuf[index];
102
103 if (taskId < LOSCFG_BASE_CORE_TSK_LIMIT) {
104 g_tidMask[taskId]++;
105 }
106
107 OsTraceSetObj(obj, OS_TCB_FROM_TID(taskId));
108
109 g_traceRecoder.ctrl.curObjIndex++;
110 if (g_traceRecoder.ctrl.curObjIndex >= g_traceRecoder.ctrl.maxObjCount) {
111 g_traceRecoder.ctrl.curObjIndex = 0; /* turn around */
112 }
113 /* add obj end */
114 TRACE_UNLOCK(intSave);
115 }
116
OsTraceWriteOrSendEvent(const TraceEventFrame * frame)117 VOID OsTraceWriteOrSendEvent(const TraceEventFrame *frame)
118 {
119 UINT16 index;
120 UINT32 intSave;
121
122 TRACE_LOCK(intSave);
123 index = g_traceRecoder.ctrl.curIndex;
124 (VOID)memcpy_s(&g_traceRecoder.ctrl.frameBuf[index], sizeof(TraceEventFrame), frame, sizeof(TraceEventFrame));
125
126 g_traceRecoder.ctrl.curIndex++;
127 if (g_traceRecoder.ctrl.curIndex >= g_traceRecoder.ctrl.maxRecordCount) {
128 g_traceRecoder.ctrl.curIndex = 0;
129 }
130 TRACE_UNLOCK(intSave);
131 }
132
OsTraceReset(VOID)133 VOID OsTraceReset(VOID)
134 {
135 UINT32 intSave;
136 UINT32 bufLen;
137
138 TRACE_LOCK(intSave);
139 bufLen = sizeof(TraceEventFrame) * g_traceRecoder.ctrl.maxRecordCount;
140 (VOID)memset_s(g_traceRecoder.ctrl.frameBuf, bufLen, 0, bufLen);
141 g_traceRecoder.ctrl.curIndex = 0;
142 TRACE_UNLOCK(intSave);
143 }
144
OsTraceInfoObj(VOID)145 STATIC VOID OsTraceInfoObj(VOID)
146 {
147 UINT32 i;
148 ObjData *obj = &g_traceRecoder.ctrl.objBuf[0];
149
150 if (g_traceRecoder.ctrl.maxObjCount > 0) {
151 PRINTK("CurObjIndex = %u\n", g_traceRecoder.ctrl.curObjIndex);
152 PRINTK("Index TaskID TaskPrio TaskName \n");
153 for (i = 0; i < g_traceRecoder.ctrl.maxObjCount; i++, obj++) {
154 PRINTK("%-7u 0x%-6x %-10u %s\n", i, obj->id, obj->prio, obj->name);
155 }
156 PRINTK("\n");
157 }
158 }
159
OsTraceInfoEventTitle(VOID)160 STATIC VOID OsTraceInfoEventTitle(VOID)
161 {
162 PRINTK("CurEvtIndex = %u\n", g_traceRecoder.ctrl.curIndex);
163
164 PRINTK("Index Time(cycles) EventType CurTask Identity ");
165 #if (LOSCFG_TRACE_FRAME_CORE_MSG == 1)
166 PRINTK("cpuId hwiActive taskLockCnt ");
167 #endif
168 #if (LOSCFG_TRACE_FRAME_EVENT_COUNT == 1)
169 PRINTK("eventCount ");
170 #endif
171 if (LOSCFG_TRACE_FRAME_MAX_PARAMS > 0) {
172 PRINTK("params ");
173 }
174 PRINTK("\n");
175 }
176
OsTraceInfoEventData(VOID)177 STATIC VOID OsTraceInfoEventData(VOID)
178 {
179 UINT32 i, j;
180 TraceEventFrame *frame = &g_traceRecoder.ctrl.frameBuf[0];
181
182 for (i = 0; i < g_traceRecoder.ctrl.maxRecordCount; i++, frame++) {
183 PRINTK("%-7u 0x%-15llx 0x%-12x 0x%-7x 0x%-11x ", i, (UINT32)frame->curTime, frame->eventType,
184 frame->curTask, frame->identity);
185 #if (LOSCFG_TRACE_FRAME_CORE_MSG == 1)
186 UINT32 taskLockCnt = frame->core.taskLockCnt;
187 #if (LOSCFG_KERNEL_SMP == 1)
188 /*
189 * For smp systems, TRACE_LOCK will request taskLock, and this counter
190 * will increase by 1 in that case.
191 */
192 taskLockCnt -= 1;
193 #endif
194 PRINTK("%-11u %-11u %-11u", frame->core.cpuId, frame->core.hwiActive, taskLockCnt);
195 #endif
196 #if (LOSCFG_TRACE_FRAME_EVENT_COUNT == 1)
197 PRINTK("%-11u", frame->eventCount);
198 #endif
199 for (j = 0; j < LOSCFG_TRACE_FRAME_MAX_PARAMS; j++) {
200 PRINTK("0x%-11x", frame->params[j]);
201 }
202 PRINTK("\n");
203 }
204 }
205
OsTraceInfoDisplay(VOID)206 STATIC VOID OsTraceInfoDisplay(VOID)
207 {
208 OfflineHead *head = g_traceRecoder.head;
209
210 PRINTK("*******TraceInfo begin*******\n");
211 PRINTK("clockFreq = %u\n", head->baseInfo.clockFreq);
212
213 OsTraceInfoObj();
214
215 OsTraceInfoEventTitle();
216 OsTraceInfoEventData();
217
218 PRINTK("*******TraceInfo end*******\n");
219 }
220
221 #if (LOSCFG_TRACE_CLIENT_INTERACT == 1)
OsTraceSendInfo(VOID)222 STATIC VOID OsTraceSendInfo(VOID)
223 {
224 UINT32 i;
225 ObjData *obj = NULL;
226 TraceEventFrame *frame = NULL;
227
228 OsTraceDataSend(HEAD, sizeof(OfflineHead), (UINT8 *)g_traceRecoder.head);
229
230 obj = &g_traceRecoder.ctrl.objBuf[0];
231 for (i = 0; i < g_traceRecoder.ctrl.maxObjCount; i++) {
232 OsTraceDataSend(OBJ, sizeof(ObjData), (UINT8 *)(obj + i));
233 }
234
235 frame = &g_traceRecoder.ctrl.frameBuf[0];
236 for (i = 0; i < g_traceRecoder.ctrl.maxRecordCount; i++) {
237 OsTraceDataSend(EVENT, sizeof(TraceEventFrame), (UINT8 *)(frame + i));
238 }
239 }
240 #endif
241
OsTraceRecordDump(BOOL toClient)242 VOID OsTraceRecordDump(BOOL toClient)
243 {
244 if (!toClient) {
245 OsTraceInfoDisplay();
246 return;
247 }
248
249 #if (LOSCFG_TRACE_CLIENT_INTERACT == 1)
250 OsTraceSendInfo();
251 #endif
252 }
253
OsTraceRecordGet(VOID)254 OfflineHead *OsTraceRecordGet(VOID)
255 {
256 return g_traceRecoder.head;
257 }
258
259 #endif /* LOSCFG_RECORDER_MODE_OFFLINE == 1 */
260
261 #ifdef __cplusplus
262 #if __cplusplus
263 }
264 #endif /* __cplusplus */
265 #endif /* __cplusplus */
266