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authorFernando Sahmkow <fsahmkow27@gmail.com>2020-02-25 03:04:12 +0100
committerFernando Sahmkow <fsahmkow27@gmail.com>2020-06-27 17:35:06 +0200
commite31425df3877636c098ec7426ebd2067920715cb (patch)
tree5c0fc518a4ebb8413c491b43a9fdd99450c7bd80 /src/tests
parentMerge pull request #3396 from FernandoS27/prometheus-1 (diff)
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Diffstat (limited to 'src/tests')
-rw-r--r--src/tests/CMakeLists.txt1
-rw-r--r--src/tests/core/core_timing.cpp184
2 files changed, 85 insertions, 100 deletions
diff --git a/src/tests/CMakeLists.txt b/src/tests/CMakeLists.txt
index 3f750b51c..47ef30aa9 100644
--- a/src/tests/CMakeLists.txt
+++ b/src/tests/CMakeLists.txt
@@ -8,7 +8,6 @@ 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/core_timing.cpp b/src/tests/core/core_timing.cpp
index ff2d11cc8..795f3da09 100644
--- a/src/tests/core/core_timing.cpp
+++ b/src/tests/core/core_timing.cpp
@@ -16,31 +16,30 @@
namespace {
// Numbers are chosen randomly to make sure the correct one is given.
-constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}};
-constexpr int MAX_SLICE_LENGTH = 10000; // Copied from CoreTiming internals
+static constexpr std::array<u64, 5> CB_IDS{{42, 144, 93, 1026, UINT64_C(0xFFFF7FFFF7FFFF)}};
+static constexpr int MAX_SLICE_LENGTH = 10000; // Copied from CoreTiming internals
+static constexpr std::array<u64, 5> calls_order{{2, 0, 1, 4, 3}};
+static std::array<s64, 5> delays{};
std::bitset<CB_IDS.size()> callbacks_ran_flags;
u64 expected_callback = 0;
s64 lateness = 0;
template <unsigned int IDX>
-void CallbackTemplate(u64 userdata, s64 cycles_late) {
+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] == expected_callback);
- REQUIRE(lateness == cycles_late);
+ REQUIRE(CB_IDS[IDX] == CB_IDS[calls_order[expected_callback]]);
+ delays[IDX] = nanoseconds_late;
+ ++expected_callback;
}
u64 callbacks_done = 0;
-void EmptyCallback(u64 userdata, s64 cycles_late) {
- ++callbacks_done;
-}
-
struct ScopeInit final {
ScopeInit() {
- core_timing.Initialize();
+ core_timing.Initialize([]() {});
}
~ScopeInit() {
core_timing.Shutdown();
@@ -49,110 +48,97 @@ struct ScopeInit final {
Core::Timing::CoreTiming core_timing;
};
-void AdvanceAndCheck(Core::Timing::CoreTiming& core_timing, u32 idx, u32 context = 0,
- int expected_lateness = 0, int cpu_downcount = 0) {
- callbacks_ran_flags = 0;
- expected_callback = CB_IDS[idx];
- lateness = expected_lateness;
-
- // Pretend we executed X cycles of instructions.
- core_timing.SwitchContext(context);
- core_timing.AddTicks(core_timing.GetDowncount() - cpu_downcount);
- core_timing.Advance();
- core_timing.SwitchContext((context + 1) % 4);
-
- REQUIRE(decltype(callbacks_ran_flags)().set(idx) == callbacks_ran_flags);
-}
-} // Anonymous namespace
-
TEST_CASE("CoreTiming[BasicOrder]", "[core]") {
ScopeInit guard;
auto& core_timing = guard.core_timing;
+ std::vector<std::shared_ptr<Core::Timing::EventType>> events{
+ Core::Timing::CreateEvent("callbackA", HostCallbackTemplate<0>),
+ Core::Timing::CreateEvent("callbackB", HostCallbackTemplate<1>),
+ Core::Timing::CreateEvent("callbackC", HostCallbackTemplate<2>),
+ Core::Timing::CreateEvent("callbackD", HostCallbackTemplate<3>),
+ Core::Timing::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());
- std::shared_ptr<Core::Timing::EventType> cb_a =
- Core::Timing::CreateEvent("callbackA", CallbackTemplate<0>);
- std::shared_ptr<Core::Timing::EventType> cb_b =
- Core::Timing::CreateEvent("callbackB", CallbackTemplate<1>);
- std::shared_ptr<Core::Timing::EventType> cb_c =
- Core::Timing::CreateEvent("callbackC", CallbackTemplate<2>);
- std::shared_ptr<Core::Timing::EventType> cb_d =
- Core::Timing::CreateEvent("callbackD", CallbackTemplate<3>);
- std::shared_ptr<Core::Timing::EventType> cb_e =
- Core::Timing::CreateEvent("callbackE", CallbackTemplate<4>);
-
- // Enter slice 0
- core_timing.ResetRun();
-
- // D -> B -> C -> A -> E
- core_timing.SwitchContext(0);
- core_timing.ScheduleEvent(1000, cb_a, CB_IDS[0]);
- REQUIRE(1000 == core_timing.GetDowncount());
- core_timing.ScheduleEvent(500, cb_b, CB_IDS[1]);
- REQUIRE(500 == core_timing.GetDowncount());
- core_timing.ScheduleEvent(800, cb_c, CB_IDS[2]);
- REQUIRE(500 == core_timing.GetDowncount());
- core_timing.ScheduleEvent(100, cb_d, CB_IDS[3]);
- REQUIRE(100 == core_timing.GetDowncount());
- core_timing.ScheduleEvent(1200, cb_e, CB_IDS[4]);
- REQUIRE(100 == core_timing.GetDowncount());
-
- AdvanceAndCheck(core_timing, 3, 0);
- AdvanceAndCheck(core_timing, 1, 1);
- AdvanceAndCheck(core_timing, 2, 2);
- AdvanceAndCheck(core_timing, 0, 3);
- AdvanceAndCheck(core_timing, 4, 0);
-}
-
-TEST_CASE("CoreTiming[FairSharing]", "[core]") {
+ core_timing.Pause(false); // No need to sync
- ScopeInit guard;
- auto& core_timing = guard.core_timing;
+ while (core_timing.HasPendingEvents())
+ ;
- std::shared_ptr<Core::Timing::EventType> empty_callback =
- Core::Timing::CreateEvent("empty_callback", EmptyCallback);
+ REQUIRE(callbacks_ran_flags.all());
- callbacks_done = 0;
- u64 MAX_CALLBACKS = 10;
- for (std::size_t i = 0; i < 10; i++) {
- core_timing.ScheduleEvent(i * 3333U, empty_callback, 0);
+ for (std::size_t i = 0; i < delays.size(); i++) {
+ const double delay = static_cast<double>(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);
}
+}
- const s64 advances = MAX_SLICE_LENGTH / 10;
- core_timing.ResetRun();
- u64 current_time = core_timing.GetTicks();
- bool keep_running{};
- do {
- keep_running = false;
- for (u32 active_core = 0; active_core < 4; ++active_core) {
- core_timing.SwitchContext(active_core);
- if (core_timing.CanCurrentContextRun()) {
- core_timing.AddTicks(std::min<s64>(advances, core_timing.GetDowncount()));
- core_timing.Advance();
- }
- keep_running |= core_timing.CanCurrentContextRun();
- }
- } while (keep_running);
- u64 current_time_2 = core_timing.GetTicks();
-
- REQUIRE(MAX_CALLBACKS == callbacks_done);
- REQUIRE(current_time_2 == current_time + MAX_SLICE_LENGTH * 4);
+#pragma optimize("", off)
+u64 TestTimerSpeed(Core::Timing::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("Core::Timing[PredictableLateness]", "[core]") {
+TEST_CASE("CoreTiming[BasicOrderNoPausing]", "[core]") {
ScopeInit guard;
auto& core_timing = guard.core_timing;
+ std::vector<std::shared_ptr<Core::Timing::EventType>> events{
+ Core::Timing::CreateEvent("callbackA", HostCallbackTemplate<0>),
+ Core::Timing::CreateEvent("callbackB", HostCallbackTemplate<1>),
+ Core::Timing::CreateEvent("callbackC", HostCallbackTemplate<2>),
+ Core::Timing::CreateEvent("callbackD", HostCallbackTemplate<3>),
+ Core::Timing::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<double>(end - start);
+ const double timer_time = static_cast<double>(TestTimerSpeed(core_timing));
- std::shared_ptr<Core::Timing::EventType> cb_a =
- Core::Timing::CreateEvent("callbackA", CallbackTemplate<0>);
- std::shared_ptr<Core::Timing::EventType> cb_b =
- Core::Timing::CreateEvent("callbackB", CallbackTemplate<1>);
+ while (core_timing.HasPendingEvents())
+ ;
- // Enter slice 0
- core_timing.ResetRun();
+ REQUIRE(callbacks_ran_flags.all());
- core_timing.ScheduleEvent(100, cb_a, CB_IDS[0]);
- core_timing.ScheduleEvent(200, cb_b, CB_IDS[1]);
+ for (std::size_t i = 0; i < delays.size(); i++) {
+ const double delay = static_cast<double>(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);
+ }
- AdvanceAndCheck(core_timing, 0, 0, 10, -10); // (100 - 10)
- AdvanceAndCheck(core_timing, 1, 1, 50, -50);
+ 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);
}