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authorSubv <subv2112@gmail.com>2018-08-13 03:41:28 +0200
committerSubv <subv2112@gmail.com>2018-08-13 03:41:28 +0200
commitd9237660429adaa9f549d10e79252a713f1da874 (patch)
tree6573f68774fbb2e2e7019c1e6c2c5454bf60e899 /src/core/arm
parentKernel/SVC: Don't reschedule the current core when creating a new thread. (diff)
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Diffstat (limited to 'src/core/arm')
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.cpp11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp
index ceb3f7683..0996f129c 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic.cpp
@@ -86,7 +86,16 @@ public:
}
void AddTicks(u64 ticks) override {
- CoreTiming::AddTicks(ticks - num_interpreted_instructions);
+ // 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
+ // if not all cores are doing a similar amount of work. Instead of doing this, we should
+ // device a way so that timing is consistent across all cores without increasing the ticks 4
+ // times.
+ u64 amortized_ticks = (ticks - num_interpreted_instructions) / Core::NUM_CPU_CORES;
+ // Always execute at least one tick.
+ amortized_ticks = std::max<u64>(amortized_ticks, 1);
+
+ CoreTiming::AddTicks(amortized_ticks);
num_interpreted_instructions = 0;
}
u64 GetTicksRemaining() override {