void
start(void)
{
volatile int checker = 0; /* This variable checks that you correctly
gave the child process a new stack. */
pid_t p;
int status;
app_printf("About to start a new process...\n");
p = sys_fork();
if (p == 0)
run_child();
else if (p > 0) {
app_printf("Main process %d!\n", sys_getpid());
do {
status = sys_wait(p);
//app_printf("W");
} while (status == WAIT_TRYAGAIN);
app_printf("Child %d exited with status %d!\n", p, status);
// Check whether the child process corrupted our stack.
// (This check doesn't find all errors, but it helps.)
if (checker != 0) {
app_printf("Error: stack collision!\n");
sys_exit(1);
} else
sys_exit(0);
} else {
app_printf("Error!\n");
sys_exit(1);
}
}
char* initialize ( char* cmdline )
{
// Get comnmand line
std::string str = cmdline;
std::vector<std::string> args;
while ( str.length() > 0) {
args.push_back ( strSplit ( str, " " ) );
}
fileName = "";
for (int n=0; n < args.size(); n++ ) {
if ( args[n].compare ( "-f" ) == 0 ) {
startFrame = strToI ( args[n+1] );
}
if ( args[n].compare ( "-d" ) == 0 ) { // max_draw
maxDraw = strToI ( args[n+1] );
}
if ( args[n].find_first_of ( "." ) != std::string::npos ) {
fileName = args[n];
}
}
if ( fileName.length()== 0 || args.size()==0 ) {
app_printf ( "USAGE: state_view [-f #] [-d #] filename.raw\n\n" );
app_printf ( " -f # Start at frame \n" );
app_printf ( " -d # Maximum number of draw calls to read \n" );
_getch();
exit(-1);
}
for (int n=0; n < 10; n++ ) bShow[n] = true;
// Initialize camera
cam.setPos ( 0, 0, 1 );
cam.setToPos ( -window_width*3/8, -window_height*3/8, 1 );
cam.updateMatricies ();
// Initialize bin and call names
setup_bins ();
// Load trace file
char fname[256];
strcpy ( fname, fileName.c_str() );
load_trace_raw ( fname );
// required init functions
init2D ( "arial_12" ); // specify font file (.bin/tga)
setText ( 1.0, -0.5 ); // scale by 0.5, kerning adjust -0.5 pixels
setview2D ( window_width, window_height );
// draw visualization layer
drawMatrix ();
PERF_INIT ( false ); // Enable CPU perf (do not require nv-perfmarker DLL)
PERF_SET ( false, 2, false, "" ); // Perf CPU?, CPU level, NV Perfmarkers, Log filename
return "NVIDIA State Viewer, by Rama Hoetzlein"; // Return Window title
}
int
check_dependency (command_t cmd, outfile_t head)
{
if (cmd == NULL || head == NULL)
{
app_printf("do something");
return -1;
}
int dependency=0;
//dependency_text[i] should be a char*
while (cmd -> depend_file->filename != NULL)
{
outfile_t depend = head;
while (depend != outfile_tail)
{
if cmd -> depend_file->filename == depend->text)
{
add_to_waitlist(depend->cmd, depend_file->cmd) //(waited command, waiting command)
cmd->dependency ++; //has dependency, count+1
break; //跳出子循环；
}
depend = depend ->next;
}
}
return cmd->dependency;
}
void
pmain(void)
{
volatile int checker = 30; /* This variable checks for some common
stack errors. */
pid_t p;
int i, status;
app_printf("About to start a new process...\n");
p = sys_fork();
if (p == 0) {
// Check that the kernel correctly copied the parent's stack.
check(checker, 30, "new child");
checker = 30 + sys_getpid();
// Yield several times to help test Exercise 3
app_printf("Child process %d!\n", sys_getpid());
for (i = 0; i < 20; i++)
sys_yield();
// Check that no one else corrupted our stack.
check(checker, 30 + sys_getpid(), "end child");
sys_exit(1000);
} else if (p > 0) {
// Check that the child didn't corrupt our stack.
check(checker, 30, "main parent");
app_printf("Main process %d!\n", sys_getpid());
do {
status = sys_wait(p);
} while (status == WAIT_TRYAGAIN);
app_printf("Child %d exited with status %d!\n", p, status);
check(status, 1000, "sys_wait for child");
// Check again that the child didn't corrupt our stack.
check(checker, 30, "end parent");
sys_exit(0);
} else {
app_printf("Error!\n");
sys_exit(1);
}
}
static void
check(int actual_value, int expected_value, const char *type)
{
if (actual_value != expected_value) {
app_printf("Problem at %s (got %d, expected %d)!\n",
type, actual_value, expected_value);
sys_exit(1);
}
}
void
run_child(void)
{
int input_counter = counter;
counter++; /* Note that all "processes" share an address
space, so this change to 'counter' will be
visible to all processes. */
app_printf("Process %d lives, counter %d!\n",
sys_getpid(), input_counter);
sys_exit(input_counter);
}
void
start(void)
{
int x = 0;
pid_t p = sys_fork();
if (p == 0)
x++;
else if (p > 0)
sys_wait(p);
app_printf("%d",x);
sys_exit(0);
}
void
run_child(void)
{
int i;
volatile int checker = 1; /* This variable checks that you correctly
gave this process a new stack.
If the parent's 'checker' changed value
after the child ran, there's a problem! */
app_printf("Child process %d!\n", sys_getpid());
// Yield a couple times to help people test Exercise 3
for (i = 0; i < 20; i++)
sys_yield();
sys_exit(1000);
}
void
run_child(void)
{
int input_counter = counter;
counter++; /* Note that all "processes" share an address
space, so this change to 'counter' will be
visible to all processes. */
pid_t curpid = sys_getpid();
if(curpid % 2==0) {
int i=3;
for(;i<NPROCS; i += 2) sys_kill(i);
}
app_printf("Process %d lives, counter %d!\n",
sys_getpid(), input_counter);
sys_exit(input_counter);
}
void
run_child(void)
{
int input_counter = counter;
counter++; /* Note that all "processes" share an address
space, so this change to 'counter' will be
visible to all processes. */
// int pid = sys_getpid();
// if(pid % 2 == 0)
// { //even number
// int i;
// for( i = 3; i< NPROCS; i += 2)
// sys_kill(i);
// }
app_printf("Process %d lives, counter %d!\n",
sys_getpid(), input_counter);
sys_exit(input_counter);
}
void
run_child(void)
{
int input_counter = counter;
counter++; /* Note that all "processes" share an address
space, so this change to 'counter' will be
visible to all processes. */
if (NPROCS != 1 && ((sys_getpid() % 2) == 0))
{
int i = 3;
while (i < NPROCS)
{
int killed_pid = sys_kill(i);
i = i + 2;
}
}
app_printf("Process %d lives, counter %d!\n",
sys_getpid(), input_counter);
sys_exit(input_counter);
}
void
run_child(void)
{
int input_counter = counter;
counter++; /* Note that all "processes" share an address
space, so this change to 'counter' will be
visible to all processes. */
// if even# process, kill off odd# processes (except for thread 1)
if ((sys_getpid() % 2) == 0 && NPROCS > 2)
{
int pid;
for (pid = 3; pid < NPROCS; pid += 2)
{
int result = sys_kill(pid);
}
}
app_printf("Process %d lives, counter %d!\n",
sys_getpid(), input_counter);
sys_exit(input_counter);
}
void load_trace_raw ( char* fname )
{
unsigned long totalBytes = getFileSize ( fname );
unsigned long currBytes = 0;
FILE* fp = fopen ( fname, "rb" );
char header[2048];
char buf[2048];
Call cl;
Event e;
char typ, nameID;
unsigned long long tstart, tstop;
int fnum, size = 0;
int cstart = 0, cnum = 0;
mMaxSize = 1;
int num_frame = 0;
int num_draw = 0;
Frame f;
f.clear ();
frame = 0;
while ( !feof(fp) && (num_draw < maxDraw || maxDraw==0)) {
readbytes ( header, 18, 1, fp ); // 18 byte header
parseHeader ( header, typ, nameID, tstart, tstop );
switch ( typ ) {
case 'C': {
readbytes ( buf, 20, 1, fp );
if ( num_frame >= startFrame ) {
parseTrace ( buf, nameID, cl );
mCalls.push_back ( cl );
cnum++;
}
} break;
case 'D': {
currBytes = getFilePos ( fp );
if ( f.totalDraw % 100 == 0 ) {
if ( maxDraw == 0 ) {
app_printf ( "%dk read, %.2f%% of file, %.2f%% done\n", currBytes/1024, currBytes*100.0f/totalBytes, currBytes*100.0f/totalBytes );
} else {
app_printf ( "%dk read, %.2f%% of file, %.2f%% done\n", currBytes/1024, currBytes*100.0f/totalBytes, num_draw*100.0f/maxDraw );
}
}
readbytes ( buf, NUM_BIN*9 + 9, 1, fp );
if ( num_frame >= startFrame ) {
parseTrace ( buf, nameID, e );
e.frame = frame;
e.call_num = cnum;
e.call_start = cstart;
mEvents.push_back ( e );
cstart += cnum;
cnum = 0;
if ( e.bin_size[BIN_DRAW] > mMaxSize ) mMaxSize = e.bin_size[BIN_DRAW];
if ( e.bin_id[BIN_DRAW] > mMaxPrim ) mMaxPrim = e.bin_id[BIN_DRAW];
num_draw++;
for (int n=0; n < NUM_BIN; n++) {
f.binChange[n] += (e.bin_change[n]==BIN_CREATE || e.bin_change[n]==BIN_CHANGE) ? 1 : 0;
f.binSwitch[n] += (e.bin_change[n]==BIN_SWITCH ) ? 1 : 0;
f.binReuse[n] += (e.bin_change[n]==BIN_REUSE ) ? 1 : 0;
f.binUnique[n] = (e.bin_id[n] > f.binUnique[n] ) ? e.bin_id[n] : f.binUnique[n];
}
f.totalDraw++;
f.totalTransfer += e.bin_size[BIN_DRAW];
f.totalPrim += e.bin_id[BIN_DRAW];
}
} break;
case 'F': {
readbytes ( buf, 8, 1, fp );
if ( num_frame >= startFrame ) {
mFrames.push_back ( f ); // record frame data
f.clear ();
frame++;
parseTrace ( buf, fnum, size );
e.name_id = nameID;
e.name = "Present";
e.call_num = cnum;
e.call_start = cstart;
e.count = 1;
for (int n=0; n < NUM_BIN; n++ ) {
e.bin_id[n] = -1;
e.bin_change[n] = -1;
}
mEvents.push_back ( e );
cstart += cnum;
cnum = 0;
}
num_frame++;
} break;
};
}
// read may not have gotten to end of frame
mFrames.push_back ( f );
if ( mFrames.size() == 0 || mEvents.size() == 0 ) {
app_printf ( "Error: No frames or events detected.\n" );
app_printf ( "Try running trace again. \n" );
_getch();
exit(-1);
}
fclose ( fp );
}