1 files changed, 35 insertions, 0 deletions
diff --git a/test/network_tests/cpu_load_tests/cpu_load_measurer.hpp b/test/network_tests/cpu_load_tests/cpu_load_measurer.hpp
new file mode 100644
index 0000000..dfdcf80
--- /dev/null
+++ b/test/network_tests/cpu_load_tests/cpu_load_measurer.hpp
@@ -0,0 +1,35 @@
+// Copyright (C) 2015-2017 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#pragma once
+
+#include <cstdint>
+
+class cpu_load_measurer {
+public:
+    cpu_load_measurer(std::uint32_t _pid);
+    virtual ~cpu_load_measurer();
+    void start();
+    void stop();
+    void print_cpu_load() const;
+    double get_cpu_load() const;
+
+private:
+    std::uint64_t read_proc_stat(std::uint64_t* _idle);
+    std::uint64_t read_proc_pid_stat();
+    bool read_clock_ticks();
+private:
+    std::uint32_t pid_;
+    std::uint64_t jiffies_complete_start_;
+    std::uint64_t jiffies_idle_start_;
+    std::uint64_t jiffies_complete_stop_;
+    std::uint64_t jiffies_idle_stop_;
+    std::uint64_t clock_ticks_;
+    std::uint64_t jiffies_passed_pid_start_;
+    std::uint64_t jiffies_passed_pid_stop_;
+    double cpu_load_pid_;
+    double cpu_load_overall_;
+    double cpu_load_pid_wo_idle_;
+};