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author | Treehugger Robot <treehugger-gerrit@google.com> | 2023-03-13 20:17:44 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2023-03-13 20:17:44 +0000 |
commit | dfcbce7716428c47f6558b2cbb4dee7cf7f7a1eb (patch) | |
tree | dfbd9620a32b3522463a959153fd739fb01eedf3 | |
parent | 0bb30c48086c3a17816f090c6fe0c73f930a0773 (diff) | |
parent | 8912c0e7829f634761cc3ed913f23a2f21cf8401 (diff) | |
download | native-dfcbce7716428c47f6558b2cbb4dee7cf7f7a1eb.tar.gz |
Merge "EXAMPLE: libbinderdebug: generic metric collector" am: 8912c0e782
Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2439139
Change-Id: Ibc79db9189d291107a4816da3087793c29d9b715
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
-rw-r--r-- | libs/binderdebug/Android.bp | 11 | ||||
-rw-r--r-- | libs/binderdebug/stats.cpp | 62 |
2 files changed, 73 insertions, 0 deletions
diff --git a/libs/binderdebug/Android.bp b/libs/binderdebug/Android.bp index 3eeaf3e4f1..1454727114 100644 --- a/libs/binderdebug/Android.bp +++ b/libs/binderdebug/Android.bp @@ -21,6 +21,17 @@ package { default_applicable_licenses: ["frameworks_native_license"], } +cc_benchmark { + name: "binder_thread_stats", + shared_libs: [ + "libutils", + "libbinder", + "libbase", + ], + static_libs: ["libbinderdebug"], + srcs: ["stats.cpp"], +} + cc_library { name: "libbinderdebug", vendor_available: true, diff --git a/libs/binderdebug/stats.cpp b/libs/binderdebug/stats.cpp new file mode 100644 index 0000000000..9c26afaa97 --- /dev/null +++ b/libs/binderdebug/stats.cpp @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2023 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include <android-base/logging.h> +#include <binder/BpBinder.h> +#include <binder/IServiceManager.h> +#include <binderdebug/BinderDebug.h> +#include <utils/Errors.h> + +#include <inttypes.h> + +namespace android { + +extern "C" int main() { + // ignore args - we only print csv + + // we should use a csv library here for escaping, because + // the name is coming from another process + printf("name,binder_threads_in_use,binder_threads_started,client_count\n"); + + for (const String16& name : defaultServiceManager()->listServices()) { + sp<IBinder> binder = defaultServiceManager()->checkService(name); + if (binder == nullptr) { + fprintf(stderr, "%s is null", String8(name).c_str()); + continue; + } + + BpBinder* remote = binder->remoteBinder(); + const auto handle = remote->getDebugBinderHandle(); + CHECK(handle != std::nullopt); + + pid_t pid; + CHECK_EQ(OK, binder->getDebugPid(&pid)); + + BinderPidInfo info; + CHECK_EQ(OK, getBinderPidInfo(BinderDebugContext::BINDER, pid, &info)); + + std::vector<pid_t> clientPids; + CHECK_EQ(OK, + getBinderClientPids(BinderDebugContext::BINDER, getpid(), pid, *handle, + &clientPids)); + + printf("%s,%" PRIu32 ",%" PRIu32 ",%zu\n", String8(name).c_str(), info.threadUsage, + info.threadCount, clientPids.size()); + } + return 0; +} + +} // namespace android |