From 0f8e5a146563d1f245f8f62cb931dc1e0b55de2f Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Sat, 8 Feb 2020 12:48:57 -0400 Subject: Tests: Add base tests to host timing --- src/tests/CMakeLists.txt | 1 + src/tests/core/host_timing.cpp | 150 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 151 insertions(+) create mode 100644 src/tests/core/host_timing.cpp (limited to 'src/tests') diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt index 47ef30aa9..3f750b51c 100644 --- a/src/tests/CMakeLists.txt +++ b/src/tests/CMakeLists.txt @@ -8,6 +8,7 @@ add_executable(tests core/arm/arm_test_common.cpp core/arm/arm_test_common.h core/core_timing.cpp + core/host_timing.cpp tests.cpp ) diff --git a/src/tests/core/host_timing.cpp b/src/tests/core/host_timing.cpp new file mode 100644 index 000000000..ca9c8e50a --- /dev/null +++ b/src/tests/core/host_timing.cpp @@ -0,0 +1,150 @@ +// Copyright 2016 Dolphin Emulator Project / 2017 Dolphin Emulator Project +// Licensed under GPLv2+ +// Refer to the license.txt file included. + +#include + +#include +#include +#include +#include +#include + +#include "common/file_util.h" +#include "core/core.h" +#include "core/host_timing.h" + +// Numbers are chosen randomly to make sure the correct one is given. +static constexpr std::array CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}}; +static constexpr int MAX_SLICE_LENGTH = 10000; // Copied from CoreTiming internals +static constexpr std::array calls_order{{2,0,1,4,3}}; +static std::array delays{}; + +static std::bitset callbacks_ran_flags; +static u64 expected_callback = 0; +static s64 lateness = 0; + +template +void HostCallbackTemplate(u64 userdata, s64 nanoseconds_late) { + static_assert(IDX < CB_IDS.size(), "IDX out of range"); + callbacks_ran_flags.set(IDX); + REQUIRE(CB_IDS[IDX] == userdata); + REQUIRE(CB_IDS[IDX] == CB_IDS[calls_order[expected_callback]]); + delays[IDX] = nanoseconds_late; + ++expected_callback; +} + +static u64 callbacks_done = 0; + +struct ScopeInit final { + ScopeInit() { + core_timing.Initialize(); + } + ~ScopeInit() { + core_timing.Shutdown(); + } + + Core::HostTiming::CoreTiming core_timing; +}; + +TEST_CASE("HostTiming[BasicOrder]", "[core]") { + ScopeInit guard; + auto& core_timing = guard.core_timing; + std::vector> events; + events.resize(5); + events[0] = + Core::HostTiming::CreateEvent("callbackA", HostCallbackTemplate<0>); + events[1] = + Core::HostTiming::CreateEvent("callbackB", HostCallbackTemplate<1>); + events[2] = + Core::HostTiming::CreateEvent("callbackC", HostCallbackTemplate<2>); + events[3] = + Core::HostTiming::CreateEvent("callbackD", HostCallbackTemplate<3>); + events[4] = + Core::HostTiming::CreateEvent("callbackE", HostCallbackTemplate<4>); + + expected_callback = 0; + + core_timing.SyncPause(true); + + u64 one_micro = 1000U; + for (std::size_t i = 0; i < events.size(); i++) { + u64 order = calls_order[i]; + core_timing.ScheduleEvent(i*one_micro + 100U, events[order], CB_IDS[order]); + } + /// test pause + REQUIRE(callbacks_ran_flags.none()); + + core_timing.Pause(false); // No need to sync + + while (core_timing.HasPendingEvents()); + + REQUIRE(callbacks_ran_flags.all()); + + for (std::size_t i = 0; i < delays.size(); i++) { + const double delay = static_cast(delays[i]); + const double micro = delay / 1000.0f; + const double mili = micro / 1000.0f; + printf("HostTimer Pausing Delay[%zu]: %.3f %.6f\n", i, micro, mili); + } +} + +#pragma optimize("", off) +u64 TestTimerSpeed(Core::HostTiming::CoreTiming& core_timing) { + u64 start = core_timing.GetGlobalTimeNs().count(); + u64 placebo = 0; + for (std::size_t i = 0; i < 1000; i++) { + placebo += core_timing.GetGlobalTimeNs().count(); + } + u64 end = core_timing.GetGlobalTimeNs().count(); + return (end - start); +} +#pragma optimize("", on) + +TEST_CASE("HostTiming[BasicOrderNoPausing]", "[core]") { + ScopeInit guard; + auto& core_timing = guard.core_timing; + std::vector> events; + events.resize(5); + events[0] = + Core::HostTiming::CreateEvent("callbackA", HostCallbackTemplate<0>); + events[1] = + Core::HostTiming::CreateEvent("callbackB", HostCallbackTemplate<1>); + events[2] = + Core::HostTiming::CreateEvent("callbackC", HostCallbackTemplate<2>); + events[3] = + Core::HostTiming::CreateEvent("callbackD", HostCallbackTemplate<3>); + events[4] = + Core::HostTiming::CreateEvent("callbackE", HostCallbackTemplate<4>); + + core_timing.SyncPause(true); + core_timing.SyncPause(false); + + expected_callback = 0; + + u64 start = core_timing.GetGlobalTimeNs().count(); + u64 one_micro = 1000U; + for (std::size_t i = 0; i < events.size(); i++) { + u64 order = calls_order[i]; + core_timing.ScheduleEvent(i*one_micro + 100U, events[order], CB_IDS[order]); + } + u64 end = core_timing.GetGlobalTimeNs().count(); + const double scheduling_time = static_cast(end - start); + const double timer_time = static_cast(TestTimerSpeed(core_timing)); + + while (core_timing.HasPendingEvents()); + + REQUIRE(callbacks_ran_flags.all()); + + for (std::size_t i = 0; i < delays.size(); i++) { + const double delay = static_cast(delays[i]); + const double micro = delay / 1000.0f; + const double mili = micro / 1000.0f; + printf("HostTimer No Pausing Delay[%zu]: %.3f %.6f\n", i, micro, mili); + } + + const double micro = scheduling_time / 1000.0f; + const double mili = micro / 1000.0f; + printf("HostTimer No Pausing Scheduling Time: %.3f %.6f\n", micro, mili); + printf("HostTimer No Pausing Timer Time: %.3f %.6f\n", timer_time / 1000.f, timer_time / 1000000.f); +} -- cgit v1.2.3