Windows-Server-2003/sdktools/profile/profile.c

120 lines
3.2 KiB
C

#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <memory.h>
#include <windows.h>
int
__cdecl main(
int argc,
char *argv[],
char *envp[]
)
{
LPSTR s;
LPSTR CommandLine;
STARTUPINFO StartupInfo;
PROCESS_INFORMATION ProcessInformation;
BOOL b;
HANDLE MappingHandle;
PVOID SharedMemory;
argv;
envp;
if ( argc < 2 ) {
puts("Usage: profile [/a] [/innn] [/k] name-of-image [parameters]...\n"
" /a All hits\n"
" /bnnn Set profile bucket size to 2 to the nnn bytes\n"
" /ffilename Output to filename\n"
" /innn Set profile interval to nnn (in 100ns units)\n"
" /k profile system modules\n"
" /s[profilesource] Use profilesource instead of clock interrupt\n"
" /S[profilesource] Use profilesource as secondary profile source\n\n"
#if defined (_ALPHA_)
"Currently supported profile sources are 'align', 'totalissues', 'pipelinedry'\n"
" 'loadinstructions', 'pipelinefrozen', 'branchinstructions', 'totalnonissues',\n"
" 'dcachemisses', 'icachemisses', 'branchmispredicts', 'storeinstructions'\n"
#endif
);
ExitProcess(1);
}
s = CommandLine = GetCommandLine();
//
// skip blanks
//
while(*s>' ')s++;
//
// get to next token
//
while(*s<=' ')s++;
while ((*s == '-') ||
(*s == '/')) {
s++;
while (*s>' '){
s++;
}
//
// get to next token
//
while(*s<=' ')s++;
}
//
// Create named shared memory to pass parameters to psapi
//
MappingHandle = CreateFileMapping((HANDLE)-1,
NULL,
PAGE_READWRITE,
0,
4096,
"ProfileStartupParameters");
if (MappingHandle != NULL) {
SharedMemory = MapViewOfFile(MappingHandle,
FILE_MAP_WRITE,
0,
0,
0);
if (SharedMemory) {
//
// Copy command line parameters into shared memory
//
strncpy(SharedMemory, CommandLine, (size_t)(s-CommandLine));
UnmapViewOfFile(SharedMemory);
}
}
memset(&StartupInfo,0,sizeof(StartupInfo));
StartupInfo.cb = sizeof(StartupInfo);
b = CreateProcess(
NULL,
s,
NULL,
NULL,
TRUE,
PROFILE_USER,
NULL,
NULL,
&StartupInfo,
&ProcessInformation
);
if ( !b ) {
printf("CreateProcess(%s) failed %lx\n",s,GetLastError());
ExitProcess(GetLastError());
}
WaitForSingleObject(ProcessInformation.hProcess, (DWORD)-1);
if (MappingHandle) {
if (SharedMemory) {
UnmapViewOfFile(SharedMemory);
}
CloseHandle(MappingHandle);
}
return 0;
}