diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index d291dad18e..e29f6bb3e3 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -4142,12 +4142,9 @@ extern void ppu_precompile(std::vector<std::string>& dir_queue, std::vector<ppu_
 					continue;
 				}
 
-				//std::unique_lock lock(g_fxo->get<jit_core_allocator>().sem);
-
 				if (auto prx = ppu_load_prx(obj, true, path, offset))
 				{
 					obj.clear(), src.close(); // Clear decrypted file and elf object memory
-					//.unlock();
 					ppu_initialize(*prx, false, file_size);
 					ppu_finalize(*prx, true);
 					continue;
diff --git a/rpcs3/util/sysinfo.cpp b/rpcs3/util/sysinfo.cpp
index 6092da71b5..085ff17038 100755
--- a/rpcs3/util/sysinfo.cpp
+++ b/rpcs3/util/sysinfo.cpp
@@ -928,13 +928,22 @@ static const bool s_tsc_freq_evaluated = []() -> bool
 		}
 
 #ifdef _WIN32
-		LARGE_INTEGER freq;
+		LARGE_INTEGER freq{};
 		if (!QueryPerformanceFrequency(&freq))
 		{
 			return 0;
 		}
 
-		if (freq.QuadPart <= 9'999'999)
+		if (!freq.QuadPart)
+		{
+			return 0;
+		}
+
+		// Theoretical constraint for the function itself to operate properly
+		// Unlikely to be unmet
+		constexpr LONGLONG min_supported_QPC_frequency = 50'000;
+
+		if (freq.QuadPart <= min_supported_QPC_frequency)
 		{
 			return 0;
 		}
@@ -1006,7 +1015,7 @@ static const bool s_tsc_freq_evaluated = []() -> bool
 		const ullong sec_base = ts0.tv_sec;
 #endif
 
-		constexpr usz sleep_time_ms = 40;
+		const usz sleep_time_ms = timer_freq <= 300'000 ? (300'000 * 50) / timer_freq : 50;
 
 		for (usz sample = 0; sample < sample_count; sample++)
 		{