Add time measurement profiler (#458)

Rebase

unittests/ProfilerTest.cpp

@@ -0,0 +1,108 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of clio: https://github.com/XRPLF/clio
+    Copyright (c) 2022, the clio developers.
+
+    Permission to use, copy, modify, and distribute this software for any
+    purpose with or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL,  DIRECT,  INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <gtest/gtest.h>
+#include <thread>
+#include <util/Profiler.h>
+
+using namespace util;
+TEST(TimedTest, HasReturnValue)
+{
+    auto [ret, time] = timed([]() {
+        std::this_thread::sleep_for(std::chrono::milliseconds(5));
+        return 8;
+    });
+
+    ASSERT_EQ(ret, 8);
+    ASSERT_NE(time, 0);
+}
+
+TEST(TimedTest, ReturnVoid)
+{
+    auto time = timed(
+        []() { std::this_thread::sleep_for(std::chrono::milliseconds(5)); });
+
+    ASSERT_NE(time, 0);
+}
+
+struct FunctorTest
+{
+    void
+    operator()() const
+    {
+        std::this_thread::sleep_for(std::chrono::milliseconds(5));
+    }
+};
+
+TEST(TimedTest, Functor)
+{
+    auto time = timed(FunctorTest());
+
+    ASSERT_NE(time, 0);
+}
+
+TEST(TimedTest, MovedLambda)
+{
+    auto f = []() {
+        std::this_thread::sleep_for(std::chrono::milliseconds(5));
+        return 8;
+    };
+    auto [ret, time] = timed(std::move(f));
+
+    ASSERT_EQ(ret, 8);
+    ASSERT_NE(time, 0);
+}
+
+TEST(TimedTest, ChangeToNs)
+{
+    auto f = []() {
+        std::this_thread::sleep_for(std::chrono::milliseconds(5));
+        return 8;
+    };
+    auto [ret, time] = timed<std::chrono::nanoseconds>(std::move(f));
+    ASSERT_EQ(ret, 8);
+    ASSERT_GE(time, 5 * 1000000);
+}
+
+TEST(TimedTest, NestedLambda)
+{
+    double timeNested;
+    auto f = [&]() {
+        std::this_thread::sleep_for(std::chrono::milliseconds(5));
+        timeNested = timed([]() {
+            std::this_thread::sleep_for(std::chrono::milliseconds(5));
+        });
+        return 8;
+    };
+    auto [ret, time] = timed<std::chrono::nanoseconds>(std::move(f));
+    ASSERT_EQ(ret, 8);
+    ASSERT_GE(timeNested, 5);
+    ASSERT_GE(time, 10 * 1000000);
+}
+
+TEST(TimedTest, FloatSec)
+{
+    auto f = []() {
+        std::this_thread::sleep_for(std::chrono::milliseconds(5));
+        return 8;
+    };
+    auto [ret, time] = timed<std::chrono::duration<double>>(std::move(f));
+    ASSERT_EQ(ret, 8);
+    ASSERT_GE(time, 0);
+}

unittests/util/Fixtures.h

@@ -127,6 +127,7 @@ struct AsyncAsioContextTest : public NoLoggerFixture
     {
         work.reset();
         ctx.stop();
+        runner.join();
     }
 
 protected:
@@ -134,7 +135,7 @@ protected:
 
 private:
     std::optional<boost::asio::io_service::work> work;
-    std::jthread runner{[this] { ctx.run(); }};
+    std::thread runner{[this] { ctx.run(); }};
 };
 
 /**