Function at 0x422f80
Capabilities:
Check for time delay via queryperformancecounter
Execute anti-debugging instructions

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff0
sub esp, 0x50
mov eax, dword [0x4e6418]
xor eax, ebp
mov dword [esp + 0x48], eax
movsd xmm1, qword [0x4edc70]
xorpd xmm0, xmm0
ucomisd xmm1, xmm0
jne 0x423133
jp 0x423133
mov esi, dword [sym.imp.KERNEL32.dll_GetCurrentThread]
call esi
push eax
call dword [sym.imp.KERNEL32.dll_GetThreadPriority]
mov dword [esp + 0x10], eax
call esi
push 2
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
mov eax, dword [0x4edc80]
mov ecx, dword [0x4e965c]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jle 0x42301e
push 0x4edc80
call fcn.004570a7
add esp, 4
cmp dword [0x4edc80], 0xffffffff
jne 0x42301e
rdtsc
mov dword [0x4edc78], eax
mov dword [0x4edc7c], edx
push 0x4edc80
call fcn.0045711d
add esp, 4
mov eax, dword [0x4edc90]
mov ecx, dword [0x4e965c]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jle 0x423080
push 0x4edc90
call fcn.004570a7
add esp, 4
cmp dword [0x4edc90], 0xffffffff
jne 0x423080
xor eax, eax
lea esi, [esp + 0x40]
mov dword [esi + 4], eax
mov dword [esi], eax
push esi
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
mov eax, dword [esi]
mov ecx, dword [esi + 4]
mov dword [0x4edc8c], ecx
mov dword [0x4edc88], eax
push 0x4edc90
call fcn.0045711d
add esp, 4
rdtsc
mov dword [esp + 0xc], eax
mov dword [esp + 8], edx
xor eax, eax
lea esi, [esp + 0x40]
mov dword [esi + 4], eax
mov dword [esi], eax
push esi
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
mov ebx, dword [esi]
mov edi, dword [esi + 4]
call dword [sym.imp.KERNEL32.dll_GetCurrentThread]
push dword [esp + 0x10]
push eax
call dword [sym.imp.KERNEL32.dll_SetThreadPriority]
xor eax, eax
mov dword [esi + 4], eax
mov dword [esi], eax
push esi
call dword [sym.imp.KERNEL32.dll_QueryPerformanceFrequency]
mov eax, dword [0x4edc8c]
mov ecx, dword [0x4edc88]
cmp ebx, ecx
mov edx, edi
sbb edx, eax
jl 0x42313b
sub ebx, ecx
movd xmm0, ebx
sbb edi, eax
movd xmm1, edi
punpckldq xmm0, xmm1
movq qword [esp + 0x30], xmm0
fild qword [esp + 0x30]
fstp qword [esp + 0x28]
movsd xmm0, qword [esp + 0x28]
fild qword [esp + 0x40]
fstp qword [esp + 0x38]
divsd xmm0, qword [esp + 0x38]
xorps xmm2, xmm2
movsd xmm1, qword [0x4d44f0]
ucomisd xmm1, xmm0
jbe 0x42317a
movaps xmmword [esp + 0x10], xmm2
mov ecx, dword [esp + 0x48]
xor ecx, ebp
call fcn.0045901d
movaps xmm0, xmmword [esp + 0x10]
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
movapd xmmword [esp + 0x10], xmm1
jmp 0x42311b
call fcn.00471420
push dword [eax]
call fcn.0047aa81
add esp, 4
mov esi, eax
call fcn.00471420
mov edi, dword [eax]
push 0x4d44f8
call fcn.0048ec40
add esp, 4
push esi
push edi
push str.PERFETTO_CHECK_perf_counter_now___perf_counter_initial_
push str._s__errno:__d___s_
push 0x5b
push eax
push 3
call fcn.0048f4c0
add esp, 0x1c
int3
mov eax, dword [0x4edc7c]
mov ecx, dword [0x4edc78]
cmp dword [esp + 0xc], ecx
mov edx, dword [esp + 8]
sbb edx, eax
jb 0x4231e2
mov edx, dword [esp + 0xc]
sub edx, ecx
mov ecx, dword [esp + 8]
sbb ecx, eax
movd xmm1, edx
movd xmm2, ecx
punpckldq xmm1, xmm2
punpckldq xmm1, xmmword [0x4d44d0]
subpd xmm1, xmmword [0x4d44e0]
haddpd xmm1, xmm1
divsd xmm1, xmm0
movsd qword [esp + 0x20], xmm1
movsd xmm0, qword [esp + 0x20]
movlpd qword [0x4edc70], xmm0
movsd xmm2, qword [0x4edc70]
jmp 0x423116
call fcn.00471420
push dword [eax]
call fcn.0047aa81
add esp, 4
mov esi, eax
call fcn.00471420
mov edi, dword [eax]
push 0x4d44f8
call fcn.0048ec40
add esp, 4
push esi
push edi
push str.PERFETTO_CHECK_tsc_now___tsc_initial_
push str._s__errno:__d___s_
push 0x66
jmp 0x42316e