1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include <cstdio>
16 #include <cstdlib>
17 #include <cstring>
18 #include <mutex>
19 #include "workgroup_internal.h"
20 #include "dfx/log/ffrt_log_api.h"
21 #include "task_client_adapter.h"
22
23
24 #if (defined(QOS_WORKER_FRAME_RTG) || defined(QOS_FRAME_RTG))
25 constexpr int HWC_UID = 3039;
26 constexpr int ROOT_UID = 0;
27 constexpr int RS_RTG_ID = 10;
28
29 namespace ffrt {
30 static int wgId = -1;
31 static WorkGroup* rsWorkGroup = nullptr;
32 static int wgCount = 0;
33 static std::mutex wgLock;
34
35 #if (defined(QOS_WORKER_FRAME_RTG))
36
WorkgroupInit(struct WorkGroup * wg,uint64_t interval,int rtgId)37 void WorkgroupInit(struct WorkGroup* wg, uint64_t interval, int rtgId)
38 {
39 wg->started = false;
40 wg->interval = interval;
41 wg->rtgId = rtgId;
42 wgId = rtgId;
43
44 for (int i = 0; i < MAX_WG_THREADS; i++) {
45 wg->tids[i] = -1;
46 }
47 }
48
FindThreadInWorkGroup(WorkGroup * workGroup,int tid)49 int FindThreadInWorkGroup(WorkGroup *workGroup, int tid)
50 {
51 if (workGroup == nullptr) {
52 FFRT_LOGE("[RSWorkGroup] find thread %{public}d in workGroup failed, workGroup is null", tid);
53 return -1;
54 }
55 for (int i = 0;i < MAX_WG_THREADS; i++) {
56 if (workGroup->tids[i] == tid) {
57 return i;
58 }
59 }
60 return -1;
61 }
62
InsertThreadInWorkGroup(WorkGroup * workGroup,int tid)63 bool InsertThreadInWorkGroup(WorkGroup *workGroup, int tid)
64 {
65 if (workGroup == nullptr) {
66 FFRT_LOGE("[RSWorkGroup] join thread %{public}d into workGroup failed, workGroup is null", tid);
67 return false;
68 }
69 int targetIndex = -1;
70 for (int i = 0; i < MAX_WG_THREADS; i++) {
71 if (workGroup->tids[i] == -1) {
72 workGroup->tids[i] = tid;
73 targetIndex = i;
74 return true;
75 }
76 }
77 if (targetIndex == -1) {
78 FFRT_LOGE("[RSWorkGroup] join thread %{public}d into RSWorkGroup failed, max_thread_num: %{public}d",
79 tid, MAX_WG_THREADS);
80 return false;
81 }
82 return true;
83 }
84
CreateRSWorkGroup(uint64_t interval)85 WorkGroup* CreateRSWorkGroup(uint64_t interval)
86 {
87 IntervalReply rs;
88 rs.rtgId = -1;
89 rs.tid = -1;
90 {
91 std::lock_guard<std::mutex> lck(wgLock);
92 if (rsWorkGroup == nullptr) {
93 CTC_QUERY_INTERVAL(QUERY_RENDER_SERVICE, rs);
94 if (rs.rtgId > 0) {
95 rsWorkGroup = new struct WorkGroup();
96 if (rsWorkGroup == nullptr) {
97 FFRT_LOGE("[RSWorkGroup] rsWorkGroup malloc failed!");
98 return nullptr;
99 }
100 WorkgroupInit(rsWorkGroup, interval, rs.rtgId);
101 wgCount++;
102 }
103 }
104 }
105 return rsWorkGroup;
106 }
107
LeaveRSWorkGroup(int tid)108 bool LeaveRSWorkGroup(int tid)
109 {
110 std::lock_guard<std::mutex> lck(wgLock);
111 if (rsWorkGroup == nullptr) {
112 FFRT_LOGI("[RSWorkGroup] LeaveRSWorkGroup rsWorkGroup is null ,tid:%{public}d", tid);
113 return false;
114 }
115 int existIndex = FindThreadInWorkGroup(rsWorkGroup, tid);
116 if (existIndex != -1) {
117 rsWorkGroup->tids[existIndex] = -1;
118 }
119 FFRT_LOGI("[RSWorkGroup] LeaveRSWorkGroup ,tid: %{public}d, existIndex: %{public}d", tid, existIndex);
120 return true;
121 }
122
JoinRSWorkGroup(int tid)123 bool JoinRSWorkGroup(int tid)
124 {
125 std::lock_guard<std::mutex> lck(wgLock);
126 if (rsWorkGroup == nullptr) {
127 FFRT_LOGE("[RSWorkGroup] join thread %{public}d into RSWorkGroup failed; Create RSWorkGroup first", tid);
128 return false;
129 }
130 int existIndex = FindThreadInWorkGroup(rsWorkGroup, tid);
131 if (existIndex == -1) {
132 IntervalReply rs;
133 rs.rtgId = -1;
134 rs.tid = tid;
135 CTC_QUERY_INTERVAL(QUERY_RENDER_SERVICE, rs);
136 if (rs.rtgId > 0) {
137 bool success = InsertThreadInWorkGroup(rsWorkGroup, tid);
138 if (!success) {
139 return false;
140 }
141 }
142 }
143 FFRT_LOGI("[RSWorkGroup] update thread %{public}d success", tid);
144 return true;
145 }
146
DestoryRSWorkGroup()147 bool DestoryRSWorkGroup()
148 {
149 std::lock_guard<std::mutex> lck(wgLock);
150 if (rsWorkGroup != nullptr) {
151 delete rsWorkGroup;
152 rsWorkGroup = nullptr;
153 wgId = -1;
154 return true;
155 }
156 return false;
157 }
158 #endif
159
160 #if defined(QOS_FRAME_RTG)
JoinWG(int tid)161 bool JoinWG(int tid)
162 {
163 if (wgId < 0) {
164 if (wgCount > 0) {
165 FFRT_LOGE("[WorkGroup] interval is unavailable");
166 }
167 return false;
168 }
169 int uid = getuid();
170 if (uid == RS_UID) {
171 return JoinRSWorkGroup(tid);
172 }
173 int addRet = AddThreadToRtgAdapter(tid, wgId, 0);
174 if (addRet == 0) {
175 FFRT_LOGI("[WorkGroup] update thread %{public}d success", tid);
176 } else {
177 FFRT_LOGE("[WorkGroup] update thread %{public}d failed, return %{public}d", tid, addRet);
178 }
179 return true;
180 }
181
LeaveWG(int tid)182 bool LeaveWG(int tid)
183 {
184 int uid = getuid();
185 if (uid == RS_UID) {
186 return LeaveRSWorkGroup(tid);
187 }
188 return false;
189 }
190
WorkgroupCreate(uint64_t interval)191 struct WorkGroup* WorkgroupCreate(uint64_t interval)
192 {
193 int rtgId = -1;
194 int uid = getuid();
195 int num = 0;
196
197 if (uid == RS_UID) {
198 CreateRSWorkGroup(interval);
199 return rsWorkGroup;
200 }
201
202 if (rtgId < 0) {
203 FFRT_LOGE("[WorkGroup] create rtg group %d failed", rtgId);
204 return nullptr;
205 }
206 FFRT_LOGI("[WorkGroup] create rtg group %d success", rtgId);
207
208 WorkGroup* wg = nullptr;
209 wg = new struct WorkGroup();
210 if (wg == nullptr) {
211 FFRT_LOGE("[WorkGroup] workgroup malloc failed!");
212 return nullptr;
213 }
214 WorkgroupInit(wg, interval, rtgId);
215 {
216 std::lock_guard<std::mutex> lck(wgLock);
217 wgCount++;
218 }
219 return wg;
220 }
221
WorkgroupClear(struct WorkGroup * wg)222 int WorkgroupClear(struct WorkGroup* wg)
223 {
224 int uid = getuid();
225 if (uid == RS_UID) {
226 return DestoryRSWorkGroup();
227 }
228 if (wg == nullptr) {
229 FFRT_LOGE("[WorkGroup] input workgroup is null");
230 return 0;
231 }
232 int ret = -1;
233 if (uid != RS_UID) {
234 ret = DestroyRtgGrpAdapter(wg->rtgId);
235 if (ret != 0) {
236 FFRT_LOGE("[WorkGroup] destroy rtg group failed");
237 } else {
238 std::lock_guard<std::mutex> lck(wgLock);
239 wgCount--;
240 }
241 }
242 delete wg;
243 wg = nullptr;
244 return ret;
245 }
246
WorkgroupStartInterval(struct WorkGroup * wg)247 void WorkgroupStartInterval(struct WorkGroup* wg)
248 {
249 if (wg == nullptr) {
250 FFRT_LOGE("[WorkGroup] input workgroup is null");
251 return;
252 }
253
254 if (wg->started) {
255 FFRT_LOGW("[WorkGroup] already start");
256 return;
257 }
258
259 if (BeginFrameFreqAdapter(0) == 0) {
260 wg->started = true;
261 } else {
262 FFRT_LOGE("[WorkGroup] start rtg(%d) work interval failed", wg->rtgId);
263 }
264 }
265
WorkgroupStopInterval(struct WorkGroup * wg)266 void WorkgroupStopInterval(struct WorkGroup* wg)
267 {
268 if (wg == nullptr) {
269 FFRT_LOGE("[WorkGroup] input workgroup is null");
270 return;
271 }
272
273 if (!wg->started) {
274 FFRT_LOGW("[WorkGroup] already stop");
275 return;
276 }
277
278 int ret = EndFrameFreqAdapter(0);
279 if (ret == 0) {
280 wg->started = false;
281 } else {
282 FFRT_LOGE("[WorkGroup] stop rtg(%d) work interval failed", wg->rtgId);
283 }
284 }
285
WorkgroupJoin(struct WorkGroup * wg,int tid)286 void WorkgroupJoin(struct WorkGroup* wg, int tid)
287 {
288 if (wg == nullptr) {
289 FFRT_LOGE("[WorkGroup] input workgroup is null");
290 return;
291 }
292 int uid = getuid();
293 FFRT_LOGI("[WorkGroup] %s uid = %d rtgid = %d", __func__, uid, wg->rtgId);
294 if (uid == RS_UID) {
295 IntervalReply rs;
296 rs.tid = tid;
297 CTC_QUERY_INTERVAL(QUERY_RENDER_SERVICE, rs);
298 FFRT_LOGI("[WorkGroup] join thread %{public}ld", tid);
299 return;
300 }
301 int addRet = AddThreadToRtgAdapter(tid, wg->rtgId, 0);
302 if (addRet == 0) {
303 FFRT_LOGI("[WorkGroup] join thread %{public}ld success", tid);
304 } else {
305 FFRT_LOGE("[WorkGroup] join fail with %{public}d threads for %{public}d", addRet, tid);
306 }
307 }
308
309 #endif /* QOS_FRAME_RTG */
310 }
311
312 #endif
313