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Merge pull request #8240 from liamwhite/count-cycles

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core/arm: re-enable cycle counting
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Morph 2022-08-07 20:30:57 -04:00 committed by GitHub
commit 30515b3b27
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2 changed files with 22 additions and 8 deletions
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15
src/core/arm/dynarmic/arm_dynarmic_32.cpp
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@ -125,7 +125,9 @@ public:
}
void AddTicks(u64 ticks) override {
ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
if (parent.uses_wall_clock) {
return;
}
// Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
// rough approximation of the amount of executed ticks in the system, it may be thrown off
@ -142,7 +144,12 @@ public:
}
u64 GetTicksRemaining() override {
ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
if (parent.uses_wall_clock) {
if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) {
return minimum_run_cycles;
}
return 0U;
}
return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
}
@ -172,7 +179,7 @@ public:
Core::Memory::Memory& memory;
std::size_t num_interpreted_instructions{};
bool debugger_enabled{};
static constexpr u64 minimum_run_cycles = 1000U;
static constexpr u64 minimum_run_cycles = 10000U;
};
std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable* page_table) const {
@ -200,7 +207,7 @@ std::shared_ptr<Dynarmic::A32::Jit> ARM_Dynarmic_32::MakeJit(Common::PageTable*
// Timing
config.wall_clock_cntpct = uses_wall_clock;
config.enable_cycle_counting = !uses_wall_clock;
config.enable_cycle_counting = true;
// Code cache size
config.code_cache_size = 512_MiB;

15
src/core/arm/dynarmic/arm_dynarmic_64.cpp
View File

@ -166,7 +166,9 @@ public:
}
void AddTicks(u64 ticks) override {
ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
if (parent.uses_wall_clock) {
return;
}
// Divide the number of ticks by the amount of CPU cores. TODO(Subv): This yields only a
// rough approximation of the amount of executed ticks in the system, it may be thrown off
@ -181,7 +183,12 @@ public:
}
u64 GetTicksRemaining() override {
ASSERT_MSG(!parent.uses_wall_clock, "This should never happen - dynarmic ticking disabled");
if (parent.uses_wall_clock) {
if (!parent.interrupt_handlers[parent.core_index].IsInterrupted()) {
return minimum_run_cycles;
}
return 0U;
}
return std::max<s64>(parent.system.CoreTiming().GetDowncount(), 0);
}
@ -216,7 +223,7 @@ public:
u64 tpidrro_el0 = 0;
u64 tpidr_el0 = 0;
bool debugger_enabled{};
static constexpr u64 minimum_run_cycles = 1000U;
static constexpr u64 minimum_run_cycles = 10000U;
};
std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable* page_table,
@ -260,7 +267,7 @@ std::shared_ptr<Dynarmic::A64::Jit> ARM_Dynarmic_64::MakeJit(Common::PageTable*
// Timing
config.wall_clock_cntpct = uses_wall_clock;
config.enable_cycle_counting = !uses_wall_clock;
config.enable_cycle_counting = true;
// Code cache size
config.code_cache_size = 512_MiB;