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tinySA/test/test.c

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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <ch.h>
#if defined(WIN32)
void ChkIntSources(void);
#endif
#if defined(WIN32)
static WorkingArea(wsT1, 512);
static WorkingArea(wsT2, 512);
static WorkingArea(wsT3, 512);
static WorkingArea(wsT4, 512);
static WorkingArea(wsT5, 512);
#else
static WorkingArea(wsT1, 64);
static WorkingArea(wsT2, 64);
static WorkingArea(wsT3, 64);
static WorkingArea(wsT4, 64);
static WorkingArea(wsT5, 64);
#endif
static Thread *t1, *t2, *t3, *t4, *t5;
static FullDuplexDriver *comp;
static Semaphore sem1;
static Mutex m1, m2;
static void wait(void) {
chThdWait(t1);
chThdWait(t2);
chThdWait(t3);
chThdWait(t4);
chThdWait(t5);
}
static void printn(uint32_t n) {
char buf[16], *p;
if (!n)
chFDDPut(comp, '0');
else {
p = buf;
while (n)
*p++ = (n % 10) + '0', n /= 10;
while (p > buf)
chFDDPut(comp, *--p);
}
}
static void print(char *msgp) {
while (*msgp)
chFDDPut(comp, *msgp++);
}
static void println(char *msgp) {
print(msgp);
chFDDPut(comp, '\r');
chFDDPut(comp, '\n');
}
__attribute__((noinline))
void CPU(systime_t ms) {
systime_t time = chSysGetTime() + ms;
while (chSysGetTime() != time) {
#if defined(WIN32)
ChkIntSources();
#endif
}
}
__attribute__((noinline))
systime_t wait_tick(void) {
systime_t time = chSysGetTime() + 1;
while (chSysGetTime() < time) {
#if defined(WIN32)
ChkIntSources();
#endif
}
return time;
}
msg_t Thread1(void *p) {
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread2(void *p) {
chSemWait(&sem1);
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread3(void *p) {
chMtxLock(&m1);
chFDDPut(comp, *(uint8_t *)p);
chMtxUnlock();
return 0;
}
msg_t Thread4(void *p) {
msg_t msg;
int i;
for (i = 0; i < 5; i++) {
msg = chMsgSend(p, 'A' + i);
chFDDPut(comp, msg);
}
chMsgSend(p, 0);
return 0;
}
msg_t Thread6(void *p) {
while (!chThdShouldTerminate())
chMsgRelease(chMsgWait());
return 0;
}
msg_t Thread7(void *p) {
return (msg_t)NULL;
}
void testrdy1(void) {
println("*** Ready List, priority enqueuing test #1, you should read ABCDE:");
t5 = chThdCreate(chThdGetPriority()-5, 0, wsT5, sizeof(wsT5), Thread1, "E");
t4 = chThdCreate(chThdGetPriority()-4, 0, wsT4, sizeof(wsT4), Thread1, "D");
t3 = chThdCreate(chThdGetPriority()-3, 0, wsT3, sizeof(wsT3), Thread1, "C");
t2 = chThdCreate(chThdGetPriority()-2, 0, wsT2, sizeof(wsT2), Thread1, "B");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread1, "A");
wait();
println("");
}
void testrdy2(void) {
println("*** Ready List, priority enqueuing test #2, you should read ABCDE:");
t4 = chThdCreate(chThdGetPriority()-4, 0, wsT4, sizeof(wsT4), Thread1, "D");
t5 = chThdCreate(chThdGetPriority()-5, 0, wsT5, sizeof(wsT5), Thread1, "E");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread1, "A");
t2 = chThdCreate(chThdGetPriority()-2, 0, wsT2, sizeof(wsT2), Thread1, "B");
t3 = chThdCreate(chThdGetPriority()-3, 0, wsT3, sizeof(wsT3), Thread1, "C");
wait();
println("");
}
void testsem1(void) {
println("*** Semaphores, FIFO enqueuing test, you should read ABCDE:");
chSemInit(&sem1, 0);
t1 = chThdCreate(chThdGetPriority()+5, 0, wsT1, sizeof(wsT1), Thread2, "A");
t2 = chThdCreate(chThdGetPriority()+1, 0, wsT2, sizeof(wsT2), Thread2, "B");
t3 = chThdCreate(chThdGetPriority()+3, 0, wsT3, sizeof(wsT3), Thread2, "C");
t4 = chThdCreate(chThdGetPriority()+4, 0, wsT4, sizeof(wsT4), Thread2, "D");
t5 = chThdCreate(chThdGetPriority()+2, 0, wsT5, sizeof(wsT5), Thread2, "E");
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
chSemSignal(&sem1);
wait();
println("");
}
void testsem2(void) {
unsigned int i;
println("*** Semaphores, timeout test, you should read ABCDE (slowly):");
chSemInit(&sem1, 0);
for (i = 0; i < 5; i++) {
chFDDPut(comp, 'A' + i);
chSemWaitTimeout(&sem1, 500);
}
println("");
}
void testmtx1(void) {
chMtxInit(&m1);
println("*** Mutexes, priority enqueuing test, you should read ABCDE:");
chMtxLock(&m1);
t5 = chThdCreate(chThdGetPriority()+1, 0, wsT5, sizeof(wsT5), Thread3, "E");
t4 = chThdCreate(chThdGetPriority()+3, 0, wsT4, sizeof(wsT4), Thread3, "D");
t3 = chThdCreate(chThdGetPriority()+3, 0, wsT3, sizeof(wsT3), Thread3, "C");
t2 = chThdCreate(chThdGetPriority()+4, 0, wsT2, sizeof(wsT2), Thread3, "B");
t1 = chThdCreate(chThdGetPriority()+5, 0, wsT1, sizeof(wsT1), Thread3, "A");
chMtxUnlock();
wait();
println("");
}
msg_t Thread8(void *p) {
chThdSleep(5);
chMtxLock(&m1);
chMtxUnlock();
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread9(void *p) {
chMtxLock(&m1);
chThdSleep(20);
chMtxUnlock();
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread10(void *p) {
chThdSleep(10);
CPU(50);
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread11(void *p) {
chThdSleep(5);
chSemWait(&sem1);
chSemSignal(&sem1);
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread12(void *p) {
chSemWait(&sem1);
chThdSleep(20);
chSemSignal(&sem1);
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
/*
* Time
* 0 ++++++++++++++++++AL+....2++++++++++++++AU0------------------------------
* 1 .....................++--------------------------------------------------
* 2 .......................++AL.............+++++++++AU++++++++++++++++++++++
*/
void testmtx2(void) {
chMtxInit(&m1);
println("*** Mutexes, mutex with inheritance (simple case), you should read ABC:");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread8, "A");
t2 = chThdCreate(chThdGetPriority()-3, 0, wsT2, sizeof(wsT2), Thread9, "C");
t3 = chThdCreate(chThdGetPriority()-2, 0, wsT3, sizeof(wsT3), Thread10, "B");
chThdWait(t1);
chThdWait(t2);
chThdWait(t3);
println("");
}
void testmtx3(void) {
chSemInit(&sem1, 1);
println("*** Mutexes, mutex without inheritance, inversion happens, you should read BAC:");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread11, "A");
t2 = chThdCreate(chThdGetPriority()-3, 0, wsT2, sizeof(wsT2), Thread12, "C");
t3 = chThdCreate(chThdGetPriority()-2, 0, wsT3, sizeof(wsT3), Thread10, "B");
chThdWait(t1);
chThdWait(t2);
chThdWait(t3);
println("");
}
msg_t Thread13(void *p) {
chMtxLock(&m1);
CPU(50);
chMtxUnlock();
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread14(void *p) {
chThdSleep(10);
chMtxLock(&m2);
CPU(20);
chMtxLock(&m1);
CPU(50);
chMtxUnlock();
CPU(20);
chMtxUnlock();
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread15(void *p) {
chThdSleep(20);
chMtxLock(&m2);
CPU(50);
chMtxUnlock();
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread16(void *p) {
chThdSleep(40);
CPU(200);
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
msg_t Thread17(void *p) {
chThdSleep(50);
chMtxLock(&m2);
CPU(50);
chMtxUnlock();
chFDDPut(comp, *(uint8_t *)p);
return 0;
}
/*
* Time 0 10 20 30 40 50
* 0 +++BL++------------------2++++------4+++++BU0--------------------------
* 1 .......++AL++--2+++++++++BL.........4.....++++++++BU4++++AU1-----------
* 2 .............++AL............................................------++AU
* 3 ..............................++++-------------------------------++....
* 4 ..................................++AL...................++++AU++......
*/
void testmtx4(void) {
chMtxInit(&m1); /* B */
chMtxInit(&m2); /* A */
println("*** Mutexes, mutex with inheritance (complex case), you should read ABCDE:");
t1 = chThdCreate(chThdGetPriority()-5, 0, wsT1, sizeof(wsT1), Thread13, "E");
t2 = chThdCreate(chThdGetPriority()-4, 0, wsT2, sizeof(wsT2), Thread14, "D");
t3 = chThdCreate(chThdGetPriority()-3, 0, wsT3, sizeof(wsT3), Thread15, "C");
t4 = chThdCreate(chThdGetPriority()-2, 0, wsT4, sizeof(wsT4), Thread16, "B");
t5 = chThdCreate(chThdGetPriority()-1, 0, wsT5, sizeof(wsT5), Thread17, "A");
wait();
println("");
}
void testmsg1(void) {
msg_t msg;
println("*** Messages, dispatch test, you should read AABBCCDDEE:");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread4, chThdSelf());
do {
chMsgRelease(msg = chMsgWait());
if (msg)
chFDDPut(comp, msg);
} while (msg);
chThdWait(t1);
println("");
}
__attribute__((noinline))
unsigned int msg_loop_test(Thread *tp) {
uint32_t i;
systime_t time = wait_tick() + 1000;
i = 0;
while (chSysGetTime() < time) {
(void)chMsgSend(tp, 0);
i++;
#if defined(WIN32)
ChkIntSources();
#endif
}
return i;
}
__attribute__((noinline))
void precache(void) {
uint32_t i;
println("\r\nPreparing for benchmarks\r\n");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread6, 0);
i = msg_loop_test(t1);
chThdTerminate(t1);
chThdWait(t1);
}
__attribute__((noinline))
void bench1(void) {
uint32_t i;
println("*** Kernel Benchmark, context switch test #1 (optimal):");
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread6, 0);
i = msg_loop_test(t1);
chThdTerminate(t1);
chThdWait(t1);
print("Messages throughput = ");
printn(i);
print(" msgs/S, ");
printn(i << 1);
println(" ctxswc/S");
}
__attribute__((noinline))
void bench2(void) {
uint32_t i;
println("*** Kernel Benchmark, context switch test #2 (no threads in ready list):");
t1 = chThdCreate(chThdGetPriority()+1, 0, wsT1, sizeof(wsT1), Thread6, 0);
i = msg_loop_test(t1);
chThdTerminate(t1);
chMsgSend(t1, 0);
chThdWait(t1);
print("Messages throughput = ");
printn(i);
print(" msgs/S, ");
printn(i << 1);
println(" ctxswc/S");
}
__attribute__((noinline))
void bench3(void) {
uint32_t i;
println("*** Kernel Benchmark, context switch test #3 (04 threads in ready list):");
t1 = chThdCreate(chThdGetPriority()+1, 0, wsT1, sizeof(wsT1), Thread6, "A");
t2 = chThdCreate(chThdGetPriority()-2, 0, wsT2, sizeof(wsT2), Thread7, "B");
t3 = chThdCreate(chThdGetPriority()-3, 0, wsT3, sizeof(wsT3), Thread7, "C");
t4 = chThdCreate(chThdGetPriority()-4, 0, wsT4, sizeof(wsT4), Thread7, "D");
t5 = chThdCreate(chThdGetPriority()-5, 0, wsT5, sizeof(wsT5), Thread7, "E");
i = msg_loop_test(t1);
chThdTerminate(t1);
chMsgSend(t1, 0);
wait();
print("Messages throughput = ");
printn(i);
print(" msgs/S, ");
printn(i << 1);
println(" ctxswc/S");
}
__attribute__((noinline))
void bench4(void) {
uint32_t i;
systime_t time;
println("*** Kernel Benchmark, threads creation/termination:");
time = wait_tick() + 1000;
i = 0;
while (chSysGetTime() < time) {
t1 = chThdCreate(chThdGetPriority()-1, 0, wsT1, sizeof(wsT1), Thread7, NULL);
chThdWait(t1);
i++;
#if defined(WIN32)
ChkIntSources();
#endif
}
print("Threads throughput = ");
printn(i);
println(" threads/S");
}
__attribute__((noinline))
void bench5(void) {
static uint8_t ib[16];
static Queue iq;
uint32_t i;
systime_t time;
println("*** Kernel Benchmark, I/O Queues throughput:");
chIQInit(&iq, ib, sizeof(ib), NULL);
time = wait_tick() + 1000;
i = 0;
while (chSysGetTime() < time) {
chIQPutI(&iq, 0);
chIQPutI(&iq, 1);
chIQPutI(&iq, 2);
chIQPutI(&iq, 3);
(void)chIQGet(&iq);
(void)chIQGet(&iq);
(void)chIQGet(&iq);
(void)chIQGet(&iq);
i++;
#if defined(WIN32)
ChkIntSources();
#endif
}
print("Queues throughput = ");
printn(i * 4);
println(" bytes/S");
}
/**
* Tester thread, this thread must be created with priority \p NORMALPRIO.
*/
msg_t TestThread(void *p) {
comp = p;
println("*****************************");
println("*** ChibiOS/RT test suite ***");
println("*****************************");
println("");
/*
* Ready list ordering tests.
*/
testrdy1();
testrdy2();
/*
* Semaphores tests.
*/
testsem1();
testsem2();
/*
* Mutexes tests.
*/
testmtx1();
testmtx2();
testmtx3();
testmtx4();
/*
* Messages tests.
*/
testmsg1();
/*
* Kernel benchmarks.
* NOTE: The calls to chThdSleep() are required in order to give I/O queues
* enough time to transmit everything, else the tests would get some
* extra interrupts to serve from previous tests.
*/
precache();
chThdSleep(100);
bench1();
chThdSleep(100);
bench2();
chThdSleep(100);
bench3();
chThdSleep(100);
bench4();
chThdSleep(100);
bench5();
chThdSleep(100);
println("\r\nTest complete");
return 0;
}
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