1 /*
2 * Copyright (C) 2023 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <android-base/logging.h>
18 #include <binder/BpBinder.h>
19 #include <binder/IServiceManager.h>
20 #include <binderdebug/BinderDebug.h>
21 #include <utils/Errors.h>
22
23 #include <inttypes.h>
24
25 namespace android {
26
main()27 extern "C" int main() {
28 // ignore args - we only print csv
29
30 // we should use a csv library here for escaping, because
31 // the name is coming from another process
32 printf("name,binder_threads_in_use,binder_threads_started,client_count\n");
33
34 for (const String16& name : defaultServiceManager()->listServices()) {
35 sp<IBinder> binder = defaultServiceManager()->checkService(name);
36 if (binder == nullptr) {
37 fprintf(stderr, "%s is null", String8(name).c_str());
38 continue;
39 }
40
41 BpBinder* remote = binder->remoteBinder();
42 const auto handle = remote->getDebugBinderHandle();
43 CHECK(handle != std::nullopt);
44
45 pid_t pid;
46 CHECK_EQ(OK, binder->getDebugPid(&pid));
47
48 BinderPidInfo info;
49 CHECK_EQ(OK, getBinderPidInfo(BinderDebugContext::BINDER, pid, &info));
50
51 std::vector<pid_t> clientPids;
52 CHECK_EQ(OK,
53 getBinderClientPids(BinderDebugContext::BINDER, getpid(), pid, *handle,
54 &clientPids));
55
56 printf("%s,%" PRIu32 ",%" PRIu32 ",%zu\n", String8(name).c_str(), info.threadUsage,
57 info.threadCount, clientPids.size());
58 }
59 return 0;
60 }
61
62 } // namespace android
63