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Merge remote-tracking branch 'origin/remove-basic-sim' into integration_2022_wk12_a

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This commit is contained in:
Robert Schmidt
2022-03-22 17:42:15 +01:00
parent 3be77c09b5 663ad7df5c
commit de824b7b19
51 changed files with 126 additions and 2034 deletions
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common/utils/T/T.c
-6
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@@ -33,12 +33,6 @@ volatile int _T_freelist_head;
volatile int *T_freelist_head = &_T_freelist_head;
T_cache_t *T_cache;
#if BASIC_SIMULATOR
/* global variables used by T_GET_SLOT, see in T.h */
volatile uint64_t T_next_id;
volatile uint64_t T_active_id;
#endif
static void get_message(int s) {
char t;
int l;
common/utils/T/T.h
+1 -32
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@@ -111,39 +111,8 @@ typedef struct {
extern volatile int *T_freelist_head;
extern T_cache_t *T_cache;
extern int *T_active;
/* When running the basic simulator, we may fill the T cache too fast.
* Let's serialize write accesses to the T cache. For that, we use a
* 'ticket' mechanism. To acquire a T slot the caller needs to own the
* current active ticket. We also wait for the slot to be free if
* it is already in use.
*/
#if BASIC_SIMULATOR
# define T_GET_SLOT \
do { \
extern volatile uint64_t T_next_id; \
extern volatile uint64_t T_active_id; \
uint64_t id; \
/* get a ticket */ \
id = __sync_fetch_and_add(&T_next_id, 1); \
/* wait for our turn */ \
while (id != __sync_fetch_and_add(&T_active_id, 0)) /* busy wait */; \
/* this is our turn, try to acquire the slot until it's free */ \
do { \
T_LOCAL_busy = __sync_fetch_and_or(&T_cache[T_LOCAL_slot].busy, 0x01); \
if (T_LOCAL_busy & 0x01) usleep(100); \
} while (T_LOCAL_busy & 0x01); \
/* check that there are still some tickets */ \
if (__sync_fetch_and_add(&T_active_id, 0) == 0xffffffffffffffff) { \
printf("T: reached the end of times, bye...\n"); \
abort(); \
} \
/* free our ticket, which signals the next waiter that it's its turn */ \
(void)__sync_fetch_and_add(&T_active_id, 1); \
} while (0)
#else
# define T_GET_SLOT \
#define T_GET_SLOT \
T_LOCAL_busy = __sync_fetch_and_or(&T_cache[T_LOCAL_slot].busy, 0x01);
#endif
/* used at header of Tn, allocates buffer */
#define T_LOCAL_DATA \
common/utils/T/T_defs.h
+2 -12
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@@ -40,20 +40,10 @@
#define T_MAX_ARGS 16
/* maximum size of a message - increase if needed */
#if BASIC_SIMULATOR
/* let's have 100 RBs functional for the basic simulator */
# define T_BUFFER_MAX (1024*64*4)
#else
# define T_BUFFER_MAX (1024*64*4)
#endif
#define T_BUFFER_MAX (1024*64*4)
/* size of the local cache for messages (must be pow(2,something)) */
#if BASIC_SIMULATOR
/* we don't need much space for the basic simulator */
# define T_CACHE_SIZE 1024
#else
# define T_CACHE_SIZE (8192)
#endif
#define T_CACHE_SIZE (8192)
/* maximum number of bytes a message can contain */
#ifdef T_SEND_TIME
common/utils/T/local_tracer.c
-16
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@@ -357,22 +357,6 @@ static void forward(void *_forwarder, char *buf, int size) {
if (f->tail != NULL) f->tail->next = new;
f->tail = new;
#if BASIC_SIMULATOR
/* When runnng the basic simulator, the tracer may be too slow.
* Let's not take too much memory in the tracee and
* wait if there is too much data to send. 200MB is
* arbitrary.
*/
while (f->memusage > 200 * 1024 * 1024) {
if (pthread_cond_signal(&f->cond)) abort();
if (pthread_mutex_unlock(&f->lock)) abort();
usleep(1000);
if (pthread_mutex_lock(&f->lock)) abort();
}
#endif
f->memusage += size+4;
/* warn every 100MB */