149          auto driver = Driver::get_driver(std::move(device));  in main()  local
150          printf(" %4u %16s %16s\n", gpu_num, name.c_str(), driver ? "yes" : "no");  in main()
157          if (auto driver = Driver::get_driver(std::move(device.value()))) {  in main()  local
158             driver->init_perfcnt();  in main()
162                driver->enable_all_counters();  in main()
165                   driver->enable_counter(id);  in main()
169             driver->enable_perfcnt(std::chrono::nanoseconds(secs).count());  in main()
173             while (!driver->dump_perfcnt())  in main()
176             while (!driver->next())  in main()
180             for (auto &counter : driver->enabled_counters) {  in main()
182                auto value = counter.get_value(*driver);  in main()
197          if (auto driver = Driver::get_driver(std::move(device.value()))) {  in main()  local
198             driver->init_perfcnt();  in main()
201             for (auto &group : driver->groups) {  in main()
211          if (auto driver = Driver::get_driver(std::move(device.value()))) {  in main()  local
212             driver->init_perfcnt();  in main()
215             for (uint32_t i = 0; i < driver->counters.size(); ++i) {  in main()
216                auto &counter = driver->counters[i];  in main()