diff --git a/ChangeLog b/ChangeLog index d2b64ea0d0..925b4c7980 100644 --- a/ChangeLog +++ b/ChangeLog @@ -39,12 +39,13 @@ * Added 'ls' command to nsh * Added C5471 watchdog driver * Added support for the Neuros OSD / DM320 - * Fixed another bug where free() is called from IDEL task. + * Fixed another bug where free() is called from IDLE task. Can't do this; the caller must be able to wait for access to memory. * Separated C5471 serial driver; a shareable part is in drivers/. ; the C5471 specific part is in arch/C5471. serial.h defines the interface. - * Fixed mq_receive() -- bad memcpy() + * Fixed mq_receive() and mq_send() -- bad memcpy() + * Added a test for roundrobin scheduler. diff --git a/examples/ostest/main.c b/examples/ostest/main.c index 7afba05c92..8b70969727 100644 --- a/examples/ostest/main.c +++ b/examples/ostest/main.c @@ -164,12 +164,10 @@ static int user_main(int argc, char *argv[]) sighand_test(); #endif -#if 0 /* Does not work yet */ #if !defined(CONFIG_DISABLE_PTHREAD) && CONFIG_RR_INTERVAL > 0 /* Verify round robin scheduling */ rr_test(); -#endif #endif printf("user_main: Exitting\n"); diff --git a/examples/ostest/roundrobin.c b/examples/ostest/roundrobin.c index d8217e4514..c8b8f0d299 100644 --- a/examples/ostest/roundrobin.c +++ b/examples/ostest/roundrobin.c @@ -47,7 +47,11 @@ * Definitions ********************************************************************************/ -#define CONFIG_NINTEGERS 32768 +/* This number may need to be tuned for different processor speeds */ + +/* #define CONFIG_NINTEGERS 32768 Takes forever on 60Mhz ARM7 */ + +#define CONFIG_NINTEGERS 2048 /******************************************************************************** * Private Data @@ -121,10 +125,16 @@ static void *sieve1(void *parameter) int i; printf("sieve1 started\n"); + fflush(stdout); + for (i = 0; i < 1000; i++) { dosieve(prime1); } + + printf("sieve1 finished\n"); + fflush(stdout); + pthread_exit(NULL); } @@ -137,10 +147,16 @@ static void *sieve2(void *parameter) int i; printf("sieve2 started\n"); + fflush(stdout); + for (i = 0; i < 1000; i++) { dosieve(prime2); } + + printf("sieve2 finished\n"); + fflush(stdout); + pthread_exit(NULL); } @@ -203,7 +219,11 @@ void rr_test(void) printf("rr_test: Error in thread 2 creation, status=%d\n", status); } - printf("rr_test: Waiting for sieves to complete\n"); + printf("rr_test: Waiting for sieves to complete -- this should take awhile\n"); + printf("rr_test: If RR scheduling is working, they should complete at\n"); + printf("rr_test: then same time\n"); + fflush(stdout); + pthread_join(sieve2_thread, &result); pthread_join(sieve1_thread, &result); printf("rr_test: Done\n");