summaryrefslogtreecommitdiff
path: root/src/gallium/auxiliary/util/u_debug_profile.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/auxiliary/util/u_debug_profile.c')
-rw-r--r--src/gallium/auxiliary/util/u_debug_profile.c320
1 files changed, 0 insertions, 320 deletions
diff --git a/src/gallium/auxiliary/util/u_debug_profile.c b/src/gallium/auxiliary/util/u_debug_profile.c
deleted file mode 100644
index d765b50144..0000000000
--- a/src/gallium/auxiliary/util/u_debug_profile.c
+++ /dev/null
@@ -1,320 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-/**
- * @file
- * Poor-man profiling.
- *
- * @author José Fonseca <jrfonseca@tungstengraphics.com>
- *
- * @sa http://blogs.msdn.com/joshpoley/archive/2008/03/12/poor-man-s-profiler.aspx
- * @sa http://www.johnpanzer.com/aci_cuj/index.html
- */
-
-#include "pipe/p_config.h"
-
-#if defined(PROFILE) && defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY)
-
-#include <windows.h>
-#include <winddi.h>
-
-#include "util/u_debug.h"
-#include "util/u_string.h"
-
-
-#define PROFILE_TABLE_SIZE (1024*1024)
-#define FILE_NAME_SIZE 256
-
-struct debug_profile_entry
-{
- uintptr_t caller;
- uintptr_t callee;
- uint64_t samples;
-};
-
-static unsigned long enabled = 0;
-
-static WCHAR wFileName[FILE_NAME_SIZE] = L"\\??\\c:\\00000000.prof";
-static ULONG_PTR iFile = 0;
-
-static struct debug_profile_entry *table = NULL;
-static unsigned long free_table_entries = 0;
-static unsigned long max_table_entries = 0;
-
-uint64_t start_stamp = 0;
-uint64_t end_stamp = 0;
-
-
-static void
-debug_profile_entry(uintptr_t caller, uintptr_t callee, uint64_t samples)
-{
- unsigned hash = ( caller + callee ) & PROFILE_TABLE_SIZE - 1;
-
- while(1) {
- if(table[hash].caller == 0 && table[hash].callee == 0) {
- table[hash].caller = caller;
- table[hash].callee = callee;
- table[hash].samples = samples;
- --free_table_entries;
- break;
- }
- else if(table[hash].caller == caller && table[hash].callee == callee) {
- table[hash].samples += samples;
- break;
- }
- else {
- ++hash;
- }
- }
-}
-
-
-static uintptr_t caller_stack[1024];
-static unsigned last_caller = 0;
-
-
-static int64_t delta(void) {
- int64_t result = end_stamp - start_stamp;
- if(result > UINT64_C(0xffffffff))
- result = 0;
- return result;
-}
-
-
-static void __cdecl
-debug_profile_enter(uintptr_t callee)
-{
- uintptr_t caller = last_caller ? caller_stack[last_caller - 1] : 0;
-
- if (caller)
- debug_profile_entry(caller, 0, delta());
- debug_profile_entry(caller, callee, 1);
- caller_stack[last_caller++] = callee;
-}
-
-
-static void __cdecl
-debug_profile_exit(uintptr_t callee)
-{
- debug_profile_entry(callee, 0, delta());
- if(last_caller)
- --last_caller;
-}
-
-
-/**
- * Called at the start of every method or function.
- *
- * @sa http://msdn.microsoft.com/en-us/library/c63a9b7h.aspx
- */
-void __declspec(naked) __cdecl
-_penter(void) {
- _asm {
- push eax
- mov eax, [enabled]
- test eax, eax
- jz skip
-
- push edx
-
- rdtsc
- mov dword ptr [end_stamp], eax
- mov dword ptr [end_stamp+4], edx
-
- xor eax, eax
- mov [enabled], eax
-
- mov eax, [esp+8]
-
- push ebx
- push ecx
- push ebp
- push edi
- push esi
-
- push eax
- call debug_profile_enter
- add esp, 4
-
- pop esi
- pop edi
- pop ebp
- pop ecx
- pop ebx
-
- mov eax, 1
- mov [enabled], eax
-
- rdtsc
- mov dword ptr [start_stamp], eax
- mov dword ptr [start_stamp+4], edx
-
- pop edx
-skip:
- pop eax
- ret
- }
-}
-
-
-/**
- * Called at the end of Calls the end of every method or function.
- *
- * @sa http://msdn.microsoft.com/en-us/library/xc11y76y.aspx
- */
-void __declspec(naked) __cdecl
-_pexit(void) {
- _asm {
- push eax
- mov eax, [enabled]
- test eax, eax
- jz skip
-
- push edx
-
- rdtsc
- mov dword ptr [end_stamp], eax
- mov dword ptr [end_stamp+4], edx
-
- xor eax, eax
- mov [enabled], eax
-
- mov eax, [esp+8]
-
- push ebx
- push ecx
- push ebp
- push edi
- push esi
-
- push eax
- call debug_profile_exit
- add esp, 4
-
- pop esi
- pop edi
- pop ebp
- pop ecx
- pop ebx
-
- mov eax, 1
- mov [enabled], eax
-
- rdtsc
- mov dword ptr [start_stamp], eax
- mov dword ptr [start_stamp+4], edx
-
- pop edx
-skip:
- pop eax
- ret
- }
-}
-
-
-/**
- * Reference function for calibration.
- */
-void __declspec(naked)
-__debug_profile_reference(void) {
- _asm {
- call _penter
- call _pexit
- ret
- }
-}
-
-
-void
-debug_profile_start(void)
-{
- WCHAR *p;
-
- /* increment starting from the less significant digit */
- p = &wFileName[14];
- while(1) {
- if(*p == '9') {
- *p-- = '0';
- }
- else {
- *p += 1;
- break;
- }
- }
-
- table = EngMapFile(wFileName,
- PROFILE_TABLE_SIZE*sizeof(struct debug_profile_entry),
- &iFile);
- if(table) {
- unsigned i;
-
- free_table_entries = max_table_entries = PROFILE_TABLE_SIZE;
- memset(table, 0, PROFILE_TABLE_SIZE*sizeof(struct debug_profile_entry));
-
- table[0].caller = (uintptr_t)&__debug_profile_reference;
- table[0].callee = 0;
- table[0].samples = 0;
- --free_table_entries;
-
- _asm {
- push edx
- push eax
-
- rdtsc
- mov dword ptr [start_stamp], eax
- mov dword ptr [start_stamp+4], edx
-
- pop edx
- pop eax
- }
-
- last_caller = 0;
-
- enabled = 1;
-
- for(i = 0; i < 8; ++i) {
- _asm {
- call __debug_profile_reference
- }
- }
- }
-}
-
-
-void
-debug_profile_stop(void)
-{
- enabled = 0;
-
- if(iFile)
- EngUnmapFile(iFile);
- iFile = 0;
- table = NULL;
- free_table_entries = max_table_entries = 0;
-}
-
-#endif /* PROFILE */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 04:23:00 +0000