mirror of
https://github.com/yuzu-emu/yuzu-android
synced 2024-12-29 02:21:22 -08:00
238 lines
8.5 KiB
C++
238 lines
8.5 KiB
C++
// Copyright 2016 Dolphin Emulator Project / 2017 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <catch2/catch.hpp>
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#include <array>
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#include <bitset>
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#include <string>
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#include "common/file_util.h"
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#include "core/core.h"
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#include "core/core_timing.h"
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// Numbers are chosen randomly to make sure the correct one is given.
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static constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}};
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static constexpr int MAX_SLICE_LENGTH = 20000; // Copied from CoreTiming internals
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static std::bitset<CB_IDS.size()> callbacks_ran_flags;
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static u64 expected_callback = 0;
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static s64 lateness = 0;
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template <unsigned int IDX>
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void CallbackTemplate(u64 userdata, s64 cycles_late) {
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static_assert(IDX < CB_IDS.size(), "IDX out of range");
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callbacks_ran_flags.set(IDX);
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REQUIRE(CB_IDS[IDX] == userdata);
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REQUIRE(CB_IDS[IDX] == expected_callback);
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REQUIRE(lateness == cycles_late);
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}
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class ScopeInit final {
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public:
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ScopeInit() {
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CoreTiming::Init();
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}
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~ScopeInit() {
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CoreTiming::Shutdown();
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}
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};
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static void AdvanceAndCheck(u32 idx, int downcount, int expected_lateness = 0,
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int cpu_downcount = 0) {
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callbacks_ran_flags = 0;
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expected_callback = CB_IDS[idx];
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lateness = expected_lateness;
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CoreTiming::AddTicks(CoreTiming::GetDowncount() -
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cpu_downcount); // Pretend we executed X cycles of instructions.
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CoreTiming::Advance();
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REQUIRE(decltype(callbacks_ran_flags)().set(idx) == callbacks_ran_flags);
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REQUIRE(downcount == CoreTiming::GetDowncount());
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}
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TEST_CASE("CoreTiming[BasicOrder]", "[core]") {
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ScopeInit guard;
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CoreTiming::EventType* cb_a = CoreTiming::RegisterEvent("callbackA", CallbackTemplate<0>);
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CoreTiming::EventType* cb_b = CoreTiming::RegisterEvent("callbackB", CallbackTemplate<1>);
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CoreTiming::EventType* cb_c = CoreTiming::RegisterEvent("callbackC", CallbackTemplate<2>);
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CoreTiming::EventType* cb_d = CoreTiming::RegisterEvent("callbackD", CallbackTemplate<3>);
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CoreTiming::EventType* cb_e = CoreTiming::RegisterEvent("callbackE", CallbackTemplate<4>);
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// Enter slice 0
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CoreTiming::Advance();
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// D -> B -> C -> A -> E
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CoreTiming::ScheduleEvent(1000, cb_a, CB_IDS[0]);
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REQUIRE(1000 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEvent(500, cb_b, CB_IDS[1]);
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REQUIRE(500 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEvent(800, cb_c, CB_IDS[2]);
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REQUIRE(500 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEvent(100, cb_d, CB_IDS[3]);
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REQUIRE(100 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEvent(1200, cb_e, CB_IDS[4]);
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REQUIRE(100 == CoreTiming::GetDowncount());
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AdvanceAndCheck(3, 400);
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AdvanceAndCheck(1, 300);
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AdvanceAndCheck(2, 200);
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AdvanceAndCheck(0, 200);
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AdvanceAndCheck(4, MAX_SLICE_LENGTH);
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}
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TEST_CASE("CoreTiming[Threadsave]", "[core]") {
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ScopeInit guard;
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CoreTiming::EventType* cb_a = CoreTiming::RegisterEvent("callbackA", CallbackTemplate<0>);
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CoreTiming::EventType* cb_b = CoreTiming::RegisterEvent("callbackB", CallbackTemplate<1>);
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CoreTiming::EventType* cb_c = CoreTiming::RegisterEvent("callbackC", CallbackTemplate<2>);
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CoreTiming::EventType* cb_d = CoreTiming::RegisterEvent("callbackD", CallbackTemplate<3>);
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CoreTiming::EventType* cb_e = CoreTiming::RegisterEvent("callbackE", CallbackTemplate<4>);
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// Enter slice 0
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CoreTiming::Advance();
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// D -> B -> C -> A -> E
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CoreTiming::ScheduleEventThreadsafe(1000, cb_a, CB_IDS[0]);
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// Manually force since ScheduleEventThreadsafe doesn't call it
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CoreTiming::ForceExceptionCheck(1000);
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REQUIRE(1000 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEventThreadsafe(500, cb_b, CB_IDS[1]);
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// Manually force since ScheduleEventThreadsafe doesn't call it
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CoreTiming::ForceExceptionCheck(500);
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REQUIRE(500 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEventThreadsafe(800, cb_c, CB_IDS[2]);
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// Manually force since ScheduleEventThreadsafe doesn't call it
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CoreTiming::ForceExceptionCheck(800);
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REQUIRE(500 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEventThreadsafe(100, cb_d, CB_IDS[3]);
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// Manually force since ScheduleEventThreadsafe doesn't call it
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CoreTiming::ForceExceptionCheck(100);
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REQUIRE(100 == CoreTiming::GetDowncount());
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CoreTiming::ScheduleEventThreadsafe(1200, cb_e, CB_IDS[4]);
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// Manually force since ScheduleEventThreadsafe doesn't call it
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CoreTiming::ForceExceptionCheck(1200);
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REQUIRE(100 == CoreTiming::GetDowncount());
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AdvanceAndCheck(3, 400);
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AdvanceAndCheck(1, 300);
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AdvanceAndCheck(2, 200);
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AdvanceAndCheck(0, 200);
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AdvanceAndCheck(4, MAX_SLICE_LENGTH);
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}
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namespace SharedSlotTest {
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static unsigned int counter = 0;
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template <unsigned int ID>
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void FifoCallback(u64 userdata, s64 cycles_late) {
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static_assert(ID < CB_IDS.size(), "ID out of range");
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callbacks_ran_flags.set(ID);
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REQUIRE(CB_IDS[ID] == userdata);
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REQUIRE(ID == counter);
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REQUIRE(lateness == cycles_late);
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++counter;
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}
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} // namespace SharedSlotTest
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TEST_CASE("CoreTiming[SharedSlot]", "[core]") {
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using namespace SharedSlotTest;
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ScopeInit guard;
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CoreTiming::EventType* cb_a = CoreTiming::RegisterEvent("callbackA", FifoCallback<0>);
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CoreTiming::EventType* cb_b = CoreTiming::RegisterEvent("callbackB", FifoCallback<1>);
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CoreTiming::EventType* cb_c = CoreTiming::RegisterEvent("callbackC", FifoCallback<2>);
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CoreTiming::EventType* cb_d = CoreTiming::RegisterEvent("callbackD", FifoCallback<3>);
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CoreTiming::EventType* cb_e = CoreTiming::RegisterEvent("callbackE", FifoCallback<4>);
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CoreTiming::ScheduleEvent(1000, cb_a, CB_IDS[0]);
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CoreTiming::ScheduleEvent(1000, cb_b, CB_IDS[1]);
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CoreTiming::ScheduleEvent(1000, cb_c, CB_IDS[2]);
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CoreTiming::ScheduleEvent(1000, cb_d, CB_IDS[3]);
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CoreTiming::ScheduleEvent(1000, cb_e, CB_IDS[4]);
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// Enter slice 0
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CoreTiming::Advance();
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REQUIRE(1000 == CoreTiming::GetDowncount());
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callbacks_ran_flags = 0;
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counter = 0;
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lateness = 0;
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CoreTiming::AddTicks(CoreTiming::GetDowncount());
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CoreTiming::Advance();
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REQUIRE(MAX_SLICE_LENGTH == CoreTiming::GetDowncount());
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REQUIRE(0x1FULL == callbacks_ran_flags.to_ullong());
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}
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TEST_CASE("CoreTiming[PredictableLateness]", "[core]") {
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ScopeInit guard;
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CoreTiming::EventType* cb_a = CoreTiming::RegisterEvent("callbackA", CallbackTemplate<0>);
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CoreTiming::EventType* cb_b = CoreTiming::RegisterEvent("callbackB", CallbackTemplate<1>);
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// Enter slice 0
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CoreTiming::Advance();
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CoreTiming::ScheduleEvent(100, cb_a, CB_IDS[0]);
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CoreTiming::ScheduleEvent(200, cb_b, CB_IDS[1]);
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AdvanceAndCheck(0, 90, 10, -10); // (100 - 10)
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AdvanceAndCheck(1, MAX_SLICE_LENGTH, 50, -50);
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}
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namespace ChainSchedulingTest {
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static int reschedules = 0;
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static void RescheduleCallback(u64 userdata, s64 cycles_late) {
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--reschedules;
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REQUIRE(reschedules >= 0);
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REQUIRE(lateness == cycles_late);
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if (reschedules > 0)
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CoreTiming::ScheduleEvent(1000, reinterpret_cast<CoreTiming::EventType*>(userdata),
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userdata);
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}
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} // namespace ChainSchedulingTest
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TEST_CASE("CoreTiming[ChainScheduling]", "[core]") {
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using namespace ChainSchedulingTest;
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ScopeInit guard;
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CoreTiming::EventType* cb_a = CoreTiming::RegisterEvent("callbackA", CallbackTemplate<0>);
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CoreTiming::EventType* cb_b = CoreTiming::RegisterEvent("callbackB", CallbackTemplate<1>);
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CoreTiming::EventType* cb_c = CoreTiming::RegisterEvent("callbackC", CallbackTemplate<2>);
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CoreTiming::EventType* cb_rs =
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CoreTiming::RegisterEvent("callbackReschedule", RescheduleCallback);
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// Enter slice 0
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CoreTiming::Advance();
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CoreTiming::ScheduleEvent(800, cb_a, CB_IDS[0]);
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CoreTiming::ScheduleEvent(1000, cb_b, CB_IDS[1]);
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CoreTiming::ScheduleEvent(2200, cb_c, CB_IDS[2]);
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CoreTiming::ScheduleEvent(1000, cb_rs, reinterpret_cast<u64>(cb_rs));
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REQUIRE(800 == CoreTiming::GetDowncount());
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reschedules = 3;
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AdvanceAndCheck(0, 200); // cb_a
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AdvanceAndCheck(1, 1000); // cb_b, cb_rs
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REQUIRE(2 == reschedules);
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CoreTiming::AddTicks(CoreTiming::GetDowncount());
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CoreTiming::Advance(); // cb_rs
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REQUIRE(1 == reschedules);
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REQUIRE(200 == CoreTiming::GetDowncount());
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AdvanceAndCheck(2, 800); // cb_c
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CoreTiming::AddTicks(CoreTiming::GetDowncount());
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CoreTiming::Advance(); // cb_rs
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REQUIRE(0 == reschedules);
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REQUIRE(MAX_SLICE_LENGTH == CoreTiming::GetDowncount());
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}
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