106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
/*
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* Copyright 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#define LOG_TAG "GpuProfilingData"
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#include <chrono>
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#include <csignal>
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#include <string>
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#include <thread>
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#include <unistd.h>
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#include <vector>
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#include <android/log.h>
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#include <dlfcn.h>
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#define ALOGI(msg, ...) \
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__android_log_print(ANDROID_LOG_INFO, LOG_TAG, (msg), __VA_ARGS__)
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#define ALOGE(msg, ...) \
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__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, (msg), __VA_ARGS__)
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#define ALOGD(msg, ...) \
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__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, (msg), __VA_ARGS__)
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#define REQUIRE_SUCCESS(fn, name) \
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do { \
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if (VK_SUCCESS != fn) { \
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ALOGE("Vulkan Error in %s", name); \
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return -1; \
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} \
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} while (0)
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namespace {
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typedef void (*FN_PTR)(void);
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/**
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* Load the vendor provided counter producer library.
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* startCounterProducer is a thin rewrite of the same producer loading logic in
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* github.com/google/agi
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*/
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int startCounterProducer() {
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ALOGI("%s", "Loading producer library");
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char *error;
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std::string libDir = sizeof(void *) == 8 ? "lib64" : "lib";
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std::string producerPath = "/vendor/" + libDir + "/libgpudataproducer.so";
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ALOGI("Trying %s", producerPath.c_str());
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void *handle = dlopen(producerPath.c_str(), RTLD_GLOBAL);
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if ((error = dlerror()) != nullptr || handle == nullptr) {
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ALOGE("Error loading lib: %s", error);
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return -1;
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}
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FN_PTR startFunc = (FN_PTR)dlsym(handle, "start");
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if ((error = dlerror()) != nullptr) {
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ALOGE("Error looking for start symbol: %s", error);
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dlclose(handle);
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return -1;
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}
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if (startFunc == nullptr) {
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ALOGE("Did not find the producer library %s", producerPath.c_str());
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ALOGE("LD_LIBRARY_PATH=%s", getenv("LD_LIBRARY_PATH"));
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return -1;
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}
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ALOGI("Calling start at %p", startFunc);
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(*startFunc)();
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ALOGI("Producer %s has exited.", producerPath.c_str());
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dlclose(handle);
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return 0;
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}
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volatile std::sig_atomic_t done = 0;
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} // anonymous namespace
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int main() {
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std::signal(SIGTERM, [](int /*signal*/) {
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ALOGI("%s", "SIGTERM received");
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done = 1;
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});
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std::thread dummy([&]() {
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int result = startCounterProducer();
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ALOGI("%s %d", "startCounterProducer returned", result);
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});
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ALOGI("%s", "Waiting for host");
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while (!done) {
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std::this_thread::sleep_for(std::chrono::milliseconds(100));
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}
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return 0;
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}
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