diff options
Diffstat (limited to 'src/gallium')
| -rw-r--r-- | src/gallium/auxiliary/util/p_debug_prof.c | 147 |
1 files changed, 113 insertions, 34 deletions
diff --git a/src/gallium/auxiliary/util/p_debug_prof.c b/src/gallium/auxiliary/util/p_debug_prof.c index 958f99c327..69c914c780 100644 --- a/src/gallium/auxiliary/util/p_debug_prof.c +++ b/src/gallium/auxiliary/util/p_debug_prof.c @@ -49,12 +49,97 @@ #define PROFILE_FILE_SIZE 4*1024*1024 #define FILE_NAME_SIZE 256 -static WCHAR wFileName[FILE_NAME_SIZE]; +static WCHAR wFileName[FILE_NAME_SIZE] = L"\\??\\c:\\00000000.trace"; static ULONG_PTR iFile = 0; -static void *pMap = NULL; -static void *pMapEnd = NULL; +static BYTE *pMap = NULL; +static BYTE *pMapBegin = NULL; +static BYTE *pMapEnd = NULL; +void __declspec(naked) __cdecl +debug_profile_close(void) +{ + _asm { + push eax + push ebx + push ecx + push edx + push ebp + push edi + push esi + } + + if(iFile) { + EngUnmapFile(iFile); + /* Truncate the file */ + pMap = EngMapFile(wFileName, pMap - pMapBegin, &iFile); + if(pMap) + EngUnmapFile(iFile); + } + iFile = 0; + pMapBegin = pMapEnd = pMap = NULL; + + _asm { + pop esi + pop edi + pop ebp + pop edx + pop ecx + pop ebx + pop eax + ret + } +} + + +void __declspec(naked) __cdecl +debug_profile_open(void) +{ + WCHAR *p; + + _asm { + push eax + push ebx + push ecx + push edx + push ebp + push edi + push esi + } + + debug_profile_close(); + + // increment starting from the less significant digit + p = &wFileName[14]; + while(1) { + if(*p == '9') { + *p-- = '0'; + } + else { + *p += 1; + break; + } + } + + pMap = EngMapFile(wFileName, PROFILE_FILE_SIZE, &iFile); + if(pMap) { + pMapBegin = pMap; + pMapEnd = pMap + PROFILE_FILE_SIZE; + } + + _asm { + pop esi + pop edi + pop ebp + pop edx + pop ecx + pop ebx + pop eax + ret + } +} + + /** * Called at the start of every method or function. * @@ -64,11 +149,15 @@ void __declspec(naked) __cdecl _penter(void) { _asm { push ebx +retry: mov ebx, [pMap] test ebx, ebx jz done cmp ebx, [pMapEnd] - je done + jne ready + call debug_profile_open + jmp retry +ready: push eax push edx mov eax, [esp+12] @@ -97,11 +186,15 @@ void __declspec(naked) __cdecl _pexit(void) { _asm { push ebx +retry: mov ebx, [pMap] test ebx, ebx jz done cmp ebx, [pMapEnd] - je done + jne ready + call debug_profile_open + jmp retry +ready: push eax push edx mov eax, [esp+12] @@ -121,21 +214,13 @@ done: } +/** + * Reference function for calibration. + */ void __declspec(naked) -__debug_profile_reference1(void) { - _asm { - call _penter - call _pexit - ret - } -} - - -void __declspec(naked) -__debug_profile_reference2(void) { +__debug_profile_reference(void) { _asm { call _penter - call __debug_profile_reference1 call _pexit ret } @@ -145,31 +230,25 @@ __debug_profile_reference2(void) { void debug_profile_start(void) { - static unsigned no = 0; - char filename[FILE_NAME_SIZE]; - unsigned i; - - util_snprintf(filename, sizeof(filename), "\\??\\c:\\%03u.prof", ++no); - for(i = 0; i < FILE_NAME_SIZE; ++i) - wFileName[i] = (WCHAR)filename[i]; + debug_profile_open(); - pMap = EngMapFile(wFileName, PROFILE_FILE_SIZE, &iFile); if(pMap) { - pMapEnd = (unsigned char*)pMap + PROFILE_FILE_SIZE; - /* reference functions for calibration purposes */ - __debug_profile_reference2(); + unsigned i; + for(i = 0; i < 8; ++i) { + _asm { + call _penter + call __debug_profile_reference + call _pexit + } + } } } + void debug_profile_stop(void) { - if(iFile) { - EngUnmapFile(iFile); - /* TODO: truncate file */ - } - iFile = 0; - pMapEnd = pMap = NULL; + debug_profile_close(); } #endif /* PROFILE */ |