mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
443 lines
11 KiB
C
443 lines
11 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "nspr.h"
|
|
#include "plgetopt.h"
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
int _debug_on = 0;
|
|
#define DPRINTF(arg) if (_debug_on) printf arg
|
|
|
|
#include "obsolete/prsem.h"
|
|
|
|
PRLock *lock;
|
|
PRMonitor *mon;
|
|
PRMonitor *mon2;
|
|
|
|
#define DEFAULT_COUNT 1000
|
|
|
|
PRInt32 count;
|
|
|
|
static void nop(int a, int b, int c)
|
|
{
|
|
}
|
|
|
|
static void LocalProcedureCall(void)
|
|
{
|
|
PRInt32 i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
nop(i, i, 5);
|
|
}
|
|
}
|
|
|
|
static void DLLProcedureCall(void)
|
|
{
|
|
PRInt32 i;
|
|
PRThreadState state;
|
|
PRThread *self = PR_GetCurrentThread();
|
|
|
|
for (i = 0; i < count; i++) {
|
|
state = PR_GetThreadState(self);
|
|
}
|
|
}
|
|
|
|
static void Now(void)
|
|
{
|
|
PRInt32 i;
|
|
PRTime time;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
time = PR_Now();
|
|
}
|
|
}
|
|
|
|
static void Interval(void)
|
|
{
|
|
PRInt32 i;
|
|
PRIntervalTime time;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
time = PR_IntervalNow();
|
|
}
|
|
}
|
|
|
|
static void IdleLock(void)
|
|
{
|
|
PRInt32 i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
PR_Lock(lock);
|
|
PR_Unlock(lock);
|
|
}
|
|
}
|
|
|
|
static void IdleMonitor(void)
|
|
{
|
|
PRInt32 i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
PR_EnterMonitor(mon);
|
|
PR_ExitMonitor(mon);
|
|
}
|
|
}
|
|
|
|
static void IdleCMonitor(void)
|
|
{
|
|
PRInt32 i;
|
|
|
|
for (i = 0; i < count; i++) {
|
|
PR_CEnterMonitor((void*)7);
|
|
PR_CExitMonitor((void*)7);
|
|
}
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static void PR_CALLBACK dull(void *arg)
|
|
{
|
|
}
|
|
|
|
static void CDThread(void)
|
|
{
|
|
PRInt32 i;
|
|
int num_threads = count;
|
|
|
|
/*
|
|
* Cannot create too many threads
|
|
*/
|
|
if (num_threads > 1000)
|
|
num_threads = 1000;
|
|
|
|
for (i = 0; i < num_threads; i++) {
|
|
PRThread *t = PR_CreateThread(PR_USER_THREAD,
|
|
dull, 0,
|
|
PR_PRIORITY_NORMAL,
|
|
PR_LOCAL_THREAD,
|
|
PR_UNJOINABLE_THREAD,
|
|
0);
|
|
if (NULL == t) {
|
|
fprintf(stderr, "CDThread: cannot create thread %3d\n", i);
|
|
} else {
|
|
DPRINTF(("CDThread: created thread %3d \n",i));
|
|
}
|
|
PR_Sleep(0);
|
|
}
|
|
}
|
|
|
|
static int alive;
|
|
static int cxq;
|
|
|
|
static void PR_CALLBACK CXReader(void *arg)
|
|
{
|
|
PRInt32 i, n;
|
|
|
|
PR_EnterMonitor(mon);
|
|
n = count / 2;
|
|
for (i = 0; i < n; i++) {
|
|
while (cxq == 0) {
|
|
DPRINTF(("CXReader: thread = 0x%lx waiting\n",
|
|
PR_GetCurrentThread()));
|
|
PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
|
|
}
|
|
--cxq;
|
|
PR_Notify(mon);
|
|
}
|
|
PR_ExitMonitor(mon);
|
|
|
|
PR_EnterMonitor(mon2);
|
|
--alive;
|
|
PR_Notify(mon2);
|
|
PR_ExitMonitor(mon2);
|
|
DPRINTF(("CXReader: thread = 0x%lx exiting\n", PR_GetCurrentThread()));
|
|
}
|
|
|
|
static void PR_CALLBACK CXWriter(void *arg)
|
|
{
|
|
PRInt32 i, n;
|
|
|
|
PR_EnterMonitor(mon);
|
|
n = count / 2;
|
|
for (i = 0; i < n; i++) {
|
|
while (cxq == 1) {
|
|
DPRINTF(("CXWriter: thread = 0x%lx waiting\n",
|
|
PR_GetCurrentThread()));
|
|
PR_Wait(mon, PR_INTERVAL_NO_TIMEOUT);
|
|
}
|
|
++cxq;
|
|
PR_Notify(mon);
|
|
}
|
|
PR_ExitMonitor(mon);
|
|
|
|
PR_EnterMonitor(mon2);
|
|
--alive;
|
|
PR_Notify(mon2);
|
|
PR_ExitMonitor(mon2);
|
|
DPRINTF(("CXWriter: thread = 0x%lx exiting\n", PR_GetCurrentThread()));
|
|
}
|
|
|
|
static void ContextSwitch(PRThreadScope scope1, PRThreadScope scope2)
|
|
{
|
|
PRThread *t1, *t2;
|
|
|
|
PR_EnterMonitor(mon2);
|
|
alive = 2;
|
|
cxq = 0;
|
|
|
|
t1 = PR_CreateThread(PR_USER_THREAD,
|
|
CXReader, 0,
|
|
PR_PRIORITY_NORMAL,
|
|
scope1,
|
|
PR_UNJOINABLE_THREAD,
|
|
0);
|
|
if (NULL == t1) {
|
|
fprintf(stderr, "ContextSwitch: cannot create thread\n");
|
|
} else {
|
|
DPRINTF(("ContextSwitch: created %s thread = 0x%lx\n",
|
|
(scope1 == PR_GLOBAL_THREAD ?
|
|
"PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD"),
|
|
t1));
|
|
}
|
|
t2 = PR_CreateThread(PR_USER_THREAD,
|
|
CXWriter, 0,
|
|
PR_PRIORITY_NORMAL,
|
|
scope2,
|
|
PR_UNJOINABLE_THREAD,
|
|
0);
|
|
if (NULL == t2) {
|
|
fprintf(stderr, "ContextSwitch: cannot create thread\n");
|
|
} else {
|
|
DPRINTF(("ContextSwitch: created %s thread = 0x%lx\n",
|
|
(scope2 == PR_GLOBAL_THREAD ?
|
|
"PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD"),
|
|
t2));
|
|
}
|
|
|
|
/* Wait for both of the threads to exit */
|
|
while (alive) {
|
|
PR_Wait(mon2, PR_INTERVAL_NO_TIMEOUT);
|
|
}
|
|
PR_ExitMonitor(mon2);
|
|
}
|
|
|
|
static void ContextSwitchUU(void)
|
|
{
|
|
ContextSwitch(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
|
|
}
|
|
|
|
static void ContextSwitchUK(void)
|
|
{
|
|
ContextSwitch(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
|
|
}
|
|
|
|
static void ContextSwitchKU(void)
|
|
{
|
|
ContextSwitch(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
|
|
}
|
|
|
|
static void ContextSwitchKK(void)
|
|
{
|
|
ContextSwitch(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
|
|
}
|
|
|
|
/************************************************************************/
|
|
|
|
static void PR_CALLBACK SemaThread(void *argSema)
|
|
{
|
|
PRSemaphore **sem = (PRSemaphore **)argSema;
|
|
PRInt32 i, n;
|
|
|
|
n = count / 2;
|
|
for (i = 0; i < n; i++) {
|
|
DPRINTF(("SemaThread: thread = 0x%lx waiting on sem = 0x%lx\n",
|
|
PR_GetCurrentThread(), sem[0]));
|
|
PR_WaitSem(sem[0]);
|
|
DPRINTF(("SemaThread: thread = 0x%lx posting on sem = 0x%lx\n",
|
|
PR_GetCurrentThread(), sem[1]));
|
|
PR_PostSem(sem[1]);
|
|
}
|
|
|
|
PR_EnterMonitor(mon2);
|
|
--alive;
|
|
PR_Notify(mon2);
|
|
PR_ExitMonitor(mon2);
|
|
DPRINTF(("SemaThread: thread = 0x%lx exiting\n", PR_GetCurrentThread()));
|
|
}
|
|
|
|
static PRSemaphore *sem_set1[2];
|
|
static PRSemaphore *sem_set2[2];
|
|
|
|
static void SemaContextSwitch(PRThreadScope scope1, PRThreadScope scope2)
|
|
{
|
|
PRThread *t1, *t2;
|
|
sem_set1[0] = PR_NewSem(1);
|
|
sem_set1[1] = PR_NewSem(0);
|
|
sem_set2[0] = sem_set1[1];
|
|
sem_set2[1] = sem_set1[0];
|
|
|
|
PR_EnterMonitor(mon2);
|
|
alive = 2;
|
|
cxq = 0;
|
|
|
|
t1 = PR_CreateThread(PR_USER_THREAD,
|
|
SemaThread,
|
|
sem_set1,
|
|
PR_PRIORITY_NORMAL,
|
|
scope1,
|
|
PR_UNJOINABLE_THREAD,
|
|
0);
|
|
if (NULL == t1) {
|
|
fprintf(stderr, "SemaContextSwitch: cannot create thread\n");
|
|
} else {
|
|
DPRINTF(("SemaContextSwitch: created %s thread = 0x%lx\n",
|
|
(scope1 == PR_GLOBAL_THREAD ?
|
|
"PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD"),
|
|
t1));
|
|
}
|
|
t2 = PR_CreateThread(PR_USER_THREAD,
|
|
SemaThread,
|
|
sem_set2,
|
|
PR_PRIORITY_NORMAL,
|
|
scope2,
|
|
PR_UNJOINABLE_THREAD,
|
|
0);
|
|
if (NULL == t2) {
|
|
fprintf(stderr, "SemaContextSwitch: cannot create thread\n");
|
|
} else {
|
|
DPRINTF(("SemaContextSwitch: created %s thread = 0x%lx\n",
|
|
(scope2 == PR_GLOBAL_THREAD ?
|
|
"PR_GLOBAL_THREAD" : "PR_LOCAL_THREAD"),
|
|
t2));
|
|
}
|
|
|
|
/* Wait for both of the threads to exit */
|
|
while (alive) {
|
|
PR_Wait(mon2, PR_INTERVAL_NO_TIMEOUT);
|
|
}
|
|
PR_ExitMonitor(mon2);
|
|
|
|
PR_DestroySem(sem_set1[0]);
|
|
PR_DestroySem(sem_set1[1]);
|
|
}
|
|
|
|
static void SemaContextSwitchUU(void)
|
|
{
|
|
SemaContextSwitch(PR_LOCAL_THREAD, PR_LOCAL_THREAD);
|
|
}
|
|
|
|
static void SemaContextSwitchUK(void)
|
|
{
|
|
SemaContextSwitch(PR_LOCAL_THREAD, PR_GLOBAL_THREAD);
|
|
}
|
|
|
|
static void SemaContextSwitchKU(void)
|
|
{
|
|
SemaContextSwitch(PR_GLOBAL_THREAD, PR_LOCAL_THREAD);
|
|
}
|
|
|
|
static void SemaContextSwitchKK(void)
|
|
{
|
|
SemaContextSwitch(PR_GLOBAL_THREAD, PR_GLOBAL_THREAD);
|
|
}
|
|
|
|
|
|
/************************************************************************/
|
|
|
|
static void Measure(void (*func)(void), const char *msg)
|
|
{
|
|
PRIntervalTime start, stop;
|
|
double d;
|
|
|
|
start = PR_IntervalNow();
|
|
(*func)();
|
|
stop = PR_IntervalNow() - start;
|
|
d = (double)PR_IntervalToMicroseconds(stop);
|
|
|
|
printf("%40s: %6.2f usec\n", msg, d / count);
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
PLOptStatus os;
|
|
PLOptState *opt = PL_CreateOptState(argc, argv, "dc:");
|
|
while (PL_OPT_EOL != (os = PL_GetNextOpt(opt)))
|
|
{
|
|
if (PL_OPT_BAD == os) continue;
|
|
switch (opt->option)
|
|
{
|
|
case 'd': /* debug mode */
|
|
_debug_on = 1;
|
|
break;
|
|
case 'c': /* loop count */
|
|
count = atoi(opt->value);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
PL_DestroyOptState(opt);
|
|
|
|
if (0 == count) count = DEFAULT_COUNT;
|
|
|
|
PR_Init(PR_USER_THREAD, PR_PRIORITY_NORMAL, 0);
|
|
PR_BlockClockInterrupts();
|
|
PR_UnblockClockInterrupts();
|
|
PR_STDIO_INIT();
|
|
|
|
lock = PR_NewLock();
|
|
mon = PR_NewMonitor();
|
|
mon2 = PR_NewMonitor();
|
|
|
|
Measure(LocalProcedureCall, "local procedure call overhead");
|
|
Measure(DLLProcedureCall, "DLL procedure call overhead");
|
|
Measure(Now, "current calendar time");
|
|
Measure(Interval, "interval time");
|
|
Measure(IdleLock, "idle lock lock/unlock pair");
|
|
Measure(IdleMonitor, "idle monitor entry/exit pair");
|
|
Measure(IdleCMonitor, "idle cache monitor entry/exit pair");
|
|
Measure(CDThread, "create/destroy thread pair");
|
|
Measure(ContextSwitchUU, "context switch - user/user");
|
|
Measure(ContextSwitchUK, "context switch - user/kernel");
|
|
Measure(ContextSwitchKU, "context switch - kernel/user");
|
|
Measure(ContextSwitchKK, "context switch - kernel/kernel");
|
|
Measure(SemaContextSwitchUU, "sema context switch - user/user");
|
|
Measure(SemaContextSwitchUK, "sema context switch - user/kernel");
|
|
Measure(SemaContextSwitchKU, "sema context switch - kernel/user");
|
|
Measure(SemaContextSwitchKK, "sema context switch - kernel/kernel");
|
|
|
|
printf("--------------\n");
|
|
printf("Adding 7 additional CPUs\n");
|
|
|
|
PR_SetConcurrency(8);
|
|
printf("--------------\n");
|
|
|
|
Measure(LocalProcedureCall, "local procedure call overhead");
|
|
Measure(DLLProcedureCall, "DLL procedure call overhead");
|
|
Measure(Now, "current calendar time");
|
|
Measure(Interval, "interval time");
|
|
Measure(IdleLock, "idle lock lock/unlock pair");
|
|
Measure(IdleMonitor, "idle monitor entry/exit pair");
|
|
Measure(IdleCMonitor, "idle cache monitor entry/exit pair");
|
|
Measure(CDThread, "create/destroy thread pair");
|
|
Measure(ContextSwitchUU, "context switch - user/user");
|
|
Measure(ContextSwitchUK, "context switch - user/kernel");
|
|
Measure(ContextSwitchKU, "context switch - kernel/user");
|
|
Measure(ContextSwitchKK, "context switch - kernel/kernel");
|
|
Measure(SemaContextSwitchUU, "sema context switch - user/user");
|
|
Measure(SemaContextSwitchUK, "sema context switch - user/kernel");
|
|
Measure(SemaContextSwitchKU, "sema context switch - kernel/user");
|
|
Measure(SemaContextSwitchKK, "sema context switch - kernel/kernel");
|
|
|
|
PR_DestroyLock(lock);
|
|
PR_DestroyMonitor(mon);
|
|
PR_DestroyMonitor(mon2);
|
|
|
|
PR_Cleanup();
|
|
return 0;
|
|
}
|