diff options
Diffstat (limited to 'include/VBox/vmm/stam.mac')
| -rw-r--r-- | include/VBox/vmm/stam.mac | 382 |
1 files changed, 382 insertions, 0 deletions
diff --git a/include/VBox/vmm/stam.mac b/include/VBox/vmm/stam.mac new file mode 100644 index 00000000..5e0fd65b --- /dev/null +++ b/include/VBox/vmm/stam.mac @@ -0,0 +1,382 @@ +;; @file +; STAM - Statistics Manager. +; + +; +; Copyright (C) 2006-2010 Oracle Corporation +; +; This file is part of VirtualBox Open Source Edition (OSE), as +; available from http://www.virtualbox.org. This file is free software; +; you can redistribute it and/or modify it under the terms of the GNU +; General Public License (GPL) as published by the Free Software +; Foundation, in version 2 as it comes in the "COPYING" file of the +; VirtualBox OSE distribution. VirtualBox OSE is distributed in the +; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. +; +; The contents of this file may alternatively be used under the terms +; of the Common Development and Distribution License Version 1.0 +; (CDDL) only, as it comes in the "COPYING.CDDL" file of the +; VirtualBox OSE distribution, in which case the provisions of the +; CDDL are applicable instead of those of the GPL. +; +; You may elect to license modified versions of this file under the +; terms and conditions of either the GPL or the CDDL or both. +; + +%ifndef ___VBox_vmm_stam_mac__ +%define ___VBox_vmm_stam_mac__ + + +%ifndef VBOX_WITH_STATISTICS + %ifdef DEBUG + %define VBOX_WITH_STATISTICS + %endif +%endif + + + +;; +; Counter sample - STAMTYPE_COUNTER. +struc STAMCOUNTER + .c resd 2 +endstruc + +;; +; Increments a counter sample by one. +; @param %1 Pointer to the STAMCOUNTER structure to operate on. +%macro STAM32_COUNTER_INC 1 +%ifdef VBOX_WITH_STATISTICS + push ebx + mov ebx, %1 + inc dword [ebx + STAMCOUNTER.c] + adc dword [ebx + STAMCOUNTER.c + 1], byte 0 + pop ebx +%endif +%endmacro + +%macro STAM64_COUNTER_INC 1 +%ifdef VBOX_WITH_STATISTICS + push rbx + mov rbx, %1 + inc qword [rbx + STAMCOUNTER.c] + pop rbx +%endif +%endmacro + +%macro STAM_COUNTER_INC 1 +%ifdef VBOX_WITH_STATISTICS + %ifdef RT_ARCH_AMD64 + STAM64_COUNTER_INC %1 + %else + STAM32_COUNTER_INC %1 + %endif +%endif +%endmacro + + +;; +; Increments a counter sample by a value. +; +; @param %1 Pointer to the STAMCOUNTER structure to operate on. +; @param %2 The value to add to the counter. +%macro STAM32_COUNTER_ADD 2 +%ifdef VBOX_WITH_STATISTICS + push ebx + mov ebx, %1 + push eax + mov eax, %2 + + add [ebx + STAMCOUNTER.c], eax + adc dword [ebx + STAMCOUNTER.c], byte 0 + + pop eax + pop ebx +%endif +%endmacro + +%macro STAM64_COUNTER_ADD 2 +%ifdef VBOX_WITH_STATISTICS + push rbx + mov rbx, %1 + push rax + mov rax, %2 + + add [rbx + STAMCOUNTER.c], rax + + pop rax + pop rbx +%endif +%endmacro + +%macro STAM_COUNTER_ADD 2 +%ifdef VBOX_WITH_STATISTICS + %ifdef RT_ARCH_AMD64 + STAM64_COUNTER_ADD %1, %2 + %else + STAM32_COUNTER_ADD %1, %2 + %endif +%endif +%endmacro + + +;; +; Profiling sample - STAMTYPE_PROFILE. +struc STAMPROFILE + .cPeriods resd 2 + .cTicks resd 2 + .cTicksMax resd 2 + .cTicksMin resd 2 +endstruc + + +;; +; Samples the start time of a profiling period. +; +; @param %1 Pointer to somewhere one can store a 64-bit timestamp until STAM_PROFILE_STOPP +%macro STAM32_PROFILE_START 1 +%ifdef VBOX_WITH_STATISTICS + push ebx + mov ebx, %1 + push eax + push edx + + rdtsc + mov [ebx], eax + mov [ebx + 4], edx + + pop edx + pop eax + pop ebx +%endif +%endmacro + +%macro STAM64_PROFILE_START 1 +%ifdef VBOX_WITH_STATISTICS + push rbx + mov rbx, %1 + push rax + push rdx + + rdtsc + mov [rbx], eax + mov [rbx + 4], edx + + pop rdx + pop rax + pop rbx +%endif +%endmacro + +%macro STAM_PROFILE_START 1 +%ifdef VBOX_WITH_STATISTICS + %ifdef RT_ARCH_AMD64 + STAM64_PROFILE_START %1 + %else + STAM32_PROFILE_START %1 + %endif +%endif +%endmacro + + +;; +; Samples the stop time of a profiling period and updates the sample. +; +; @param %1 Pointer to the STAMPROFILE structure to operate on. +; @param %2 Pointer to where the 64-bit timestamp from STAM_PROFILE_START was stored. +%macro STAM32_PROFILE_STOP 2 +%ifdef VBOX_WITH_STATISTICS + push ebx + mov ebx, %1 + push eax + push edx + + ; calc cTicks + push ecx + mov ecx, %2 + rdtsc + sub eax, [ecx] + sbb edx, [ecx + 4] + pop ecx + + ; update STAMPROFILE.cTicks + add [ebx + STAMPROFILE.cTicks], eax + adc [ebx + STAMPROFILE.cTicks + 4], edx + ; update STAMPROFILE.cPeriods + inc dword [ebx + STAMPROFILE.cPeriods] + adc dword [ebx + STAMPROFILE.cPeriods + 4], byte 0 + + ; update max? + cmp edx, [ebx + STAMPROFILE.cTicksMax + 4] + jb short %%not_update_max + ja short %%update_max + cmp eax, [ebx + STAMPROFILE.cTicksMax] + jbe short %%not_update_max +%%update_max: + mov [ebx + STAMPROFILE.cTicksMax], eax + mov [ebx + STAMPROFILE.cTicksMax + 4], edx +%%not_update_max: + + ; update min? + cmp edx, [ebx + STAMPROFILE.cTicksMin + 4] + ja short %%not_update_min + jb short %%update_min + cmp eax, [ebx + STAMPROFILE.cTicksMin] + jae short %%not_update_min +%%update_min: + mov [ebx + STAMPROFILE.cTicksMin], eax + mov [ebx + STAMPROFILE.cTicksMin + 4], edx +%%not_update_min: + + pop edx + pop eax + pop ebx +%endif +%endmacro + +%macro STAM64_PROFILE_STOP 2 +%ifdef VBOX_WITH_STATISTICS + push rbx + mov rbx, %1 + push rax + push rdx + + ; calc cTicks + push rcx + mov rcx, %2 + rdtsc + sub rax, [ecx] + sbb rdx, [ecx + 4] + pop rcx + + ; update STAMPROFILE.cTicks + shl rdx, 32 + or rdx, rax + add [rbx + STAMPROFILE.cTicks], rdx + ; update STAMPROFILE.cPeriods + inc qword [rbx + STAMPROFILE.cPeriods] + + ; update max? + cmp rdx, [rbx + STAMPROFILE.cTicksMax] + jbe short %%not_update_max + mov [rbx + STAMPROFILE.cTicksMax], rdx +%%not_update_max: + + ; update min? + cmp rdx, [rbx + STAMPROFILE.cTicksMin] + jae short %%not_update_min + mov [rbx + STAMPROFILE.cTicksMin], rax +%%not_update_min: + + pop rdx + pop rax + pop rbx +%endif +%endmacro + +%macro STAM_PROFILE_STOP 2 +%ifdef VBOX_WITH_STATISTICS + %ifdef RT_ARCH_AMD64 + STAM64_PROFILE_STOP %1, %2 + %else + STAM32_PROFILE_STOP %1, %2 + %endif +%endif +%endmacro + + + +struc STAMPROFILEADV + .cPeriods resd 2 + .cTicks resd 2 + .cTicksMax resd 2 + .cTicksMin resd 2 + .tsStart resd 2 +endstruc + + +;; +; Samples the start time of a profiling period. +; +; @param %1 Pointer to the STAMPROFILEADV structure to operate on. +%macro STAM32_PROFILE_ADV_START 1 +%ifdef VBOX_WITH_STATISTICS + push ecx + mov ecx, %1 + lea ecx, [ecx + STAMPROFILEADV.tsStart] + STAM32_PROFILE_START ecx + pop ecx +%endif +%endmacro + +%macro STAM64_PROFILE_ADV_START 1 +%ifdef VBOX_WITH_STATISTICS + push rcx + mov rcx, %1 + lea rcx, [rcx + STAMPROFILEADV.tsStart] + STAM64_PROFILE_START rcx + pop rcx +%endif +%endmacro + +%macro STAM_PROFILE_ADV_START 1 +%ifdef VBOX_WITH_STATISTICS + %ifdef RT_ARCH_AMD64 + STAM64_PROFILE_ADV_START %1 + %else + STAM32_PROFILE_ADV_START %1 + %endif +%endif +%endmacro + + +;; +; Samples the stop time of a profiling period and updates the sample. +; +; @param %1 Pointer to the STAMPROFILEADV structure to operate on. + +%macro STAM32_PROFILE_ADV_STOP 1 +%ifdef VBOX_WITH_STATISTICS + push ecx + mov ecx, %1 + lea ecx, [ecx + STAMPROFILEADV.tsStart] + cmp dword [ecx], byte 0 + jnz short %%doit + cmp dword [ecx + 4], byte 0 + jz short %%dont +%%doit: + STAM32_PROFILE_STOP %1, ecx +%%dont: + mov dword [ecx], 0 + mov dword [ecx + 4], 0 + pop ecx +%endif +%endmacro + +%macro STAM64_PROFILE_ADV_STOP 1 +%ifdef VBOX_WITH_STATISTICS + push rcx + mov rcx, %1 + lea rcx, [rcx + STAMPROFILEADV.tsStart] + cmp qword [rcx], byte 0 + jz short %%dont +%%doit: + STAM64_PROFILE_STOP %1, rcx +%%dont: + mov qword [rcx], 0 + pop rcx +%endif +%endmacro + +%macro STAM_PROFILE_ADV_STOP 1 +%ifdef VBOX_WITH_STATISTICS + %ifdef RT_ARCH_AMD64 + STAM64_PROFILE_ADV_STOP %1 + %else + STAM32_PROFILE_ADV_STOP %1 + %endif +%endif +%endmacro + + + +%endif |