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logger: downgrade atomic_t

This commit is contained in:
Thomas Schoebel-Theuer 2017-06-05 23:10:03 +02:00 committed by Thomas Schoebel-Theuer
parent d8e2421de9
commit 0783946bc2
2 changed files with 25 additions and 22 deletions
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12
kernel/lib_queue.h
View File

@ -28,7 +28,7 @@
#define QUEUE_ANCHOR(PREFIX,KEYTYPE,HEAPTYPE) \
/* parameters */ \
/* readonly from outside */ \
atomic_t q_queued; \
int q_queued; \
atomic_t q_flying; \
/* tunables */ \
int q_batchlen; \
@ -61,7 +61,7 @@ void q_##PREFIX##_init(struct PREFIX##_queue *q) \
q->heap_low = NULL; \
q->heap_high = NULL; \
spin_lock_init(&q->q_lock); \
atomic_set(&q->q_queued, 0); \
q->q_queued = 0; \
atomic_set(&q->q_flying, 0); \
} \
\
@ -81,7 +81,7 @@ void q_##PREFIX##_insert(struct PREFIX##_queue *q, ELEM_TYPE *elem) \
} else { \
list_add_tail(&elem->HEAD, &q->q_anchor); \
} \
atomic_inc(&q->q_queued); \
q->q_queued++; \
q->q_last_insert = jiffies; \
\
traced_unlock(&q->q_lock, flags); \
@ -102,7 +102,7 @@ void q_##PREFIX##_pushback(struct PREFIX##_queue *q, ELEM_TYPE *elem) \
traced_lock(&q->q_lock, flags); \
\
list_add(&elem->HEAD, &q->q_anchor); \
atomic_inc(&q->q_queued); \
q->q_queued++; \
\
traced_unlock(&q->q_lock, flags); \
} \
@ -134,12 +134,12 @@ ELEM_TYPE *q_##PREFIX##_fetch(struct PREFIX##_queue *q) \
memcpy(&q->heap_margin, KEYFN(elem), sizeof(q->heap_margin)); \
} \
ph_delete_min_##HEAPTYPE(&q->heap_high); \
atomic_dec(&q->q_queued); \
q->q_queued--; \
} \
} else if (!list_empty(&q->q_anchor)) { \
struct list_head *next = q->q_anchor.next; \
list_del_init(next); \
atomic_dec(&q->q_queued); \
q->q_queued--; \
elem = container_of(next, ELEM_TYPE, HEAD); \
} \
\

35
kernel/mars_trans_logger.c
View File

@ -610,14 +610,15 @@ void _inf_callback(struct trans_logger_input *input, bool force)
static inline
int _congested(struct trans_logger_brick *brick)
{
return atomic_read(&brick->q_phase[0].q_queued)
|| atomic_read(&brick->q_phase[0].q_flying)
|| atomic_read(&brick->q_phase[1].q_queued)
|| atomic_read(&brick->q_phase[1].q_flying)
|| atomic_read(&brick->q_phase[2].q_queued)
|| atomic_read(&brick->q_phase[2].q_flying)
|| atomic_read(&brick->q_phase[3].q_queued)
|| atomic_read(&brick->q_phase[3].q_flying);
return
brick->q_phase[0].q_queued ||
atomic_read(&brick->q_phase[0].q_flying) ||
brick->q_phase[1].q_queued ||
atomic_read(&brick->q_phase[1].q_flying) ||
brick->q_phase[2].q_queued ||
atomic_read(&brick->q_phase[2].q_flying) ||
brick->q_phase[3].q_queued ||
atomic_read(&brick->q_phase[3].q_flying);
}
////////////////// own brick / input / output operations //////////////////
@ -2316,7 +2317,7 @@ int _do_ranking(struct trans_logger_brick *brick)
// obey the basic rules...
for (i = 0; i < LOGGER_QUEUES; i++) {
int queued = atomic_read(&brick->q_phase[i].q_queued);
int queued = brick->q_phase[i].q_queued;
int flying;
MARS_IO("i = %d queued = %d\n", i, queued);
@ -2350,8 +2351,10 @@ int _do_ranking(struct trans_logger_brick *brick)
struct trans_logger_brick *leader;
int lim;
if (!mref_flying && atomic_read(&brick->q_phase[0].q_queued) > 0) {
MARS_IO("BAILOUT phase_[0]queued = %d phase_[0]flying = %d\n", atomic_read(&brick->q_phase[0].q_queued), atomic_read(&brick->q_phase[0].q_flying));
if (!mref_flying && brick->q_phase[0].q_queued > 0) {
MARS_IO("BAILOUT phase_[0]queued = %d phase_[0]flying = %d\n",
brick->q_phase[0].q_queued,
atomic_read(&brick->q_phase[0].q_flying));
break;
}
@ -2568,7 +2571,7 @@ void flush_inputs(struct trans_logger_brick *brick, int flush_mode)
{
if (flush_mode < 1 ||
// there is nothing to append any more
(atomic_read(&brick->q_phase[0].q_queued) <= 0 &&
(brick->q_phase[0].q_queued <= 0 &&
// and the user is waiting for an answer
(flush_mode < 2 ||
atomic_read(&brick->log_fly_count) > 0 ||
@ -3247,19 +3250,19 @@ char *trans_logger_statistics(struct trans_logger_brick *brick, int verbose)
atomic_read(&brick->log_fly_count),
atomic_read(&brick->inputs[TL_INPUT_LOG1]->logst.mref_flying),
atomic_read(&brick->inputs[TL_INPUT_LOG2]->logst.mref_flying),
atomic_read(&brick->q_phase[0].q_queued),
brick->q_phase[0].q_queued,
atomic_read(&brick->q_phase[0].q_flying),
brick->q_phase[0].pushback_count,
brick->q_phase[0].no_progress_count,
atomic_read(&brick->q_phase[1].q_queued),
brick->q_phase[1].q_queued,
atomic_read(&brick->q_phase[1].q_flying),
brick->q_phase[1].pushback_count,
brick->q_phase[1].no_progress_count,
atomic_read(&brick->q_phase[2].q_queued),
brick->q_phase[2].q_queued,
atomic_read(&brick->q_phase[2].q_flying),
brick->q_phase[2].pushback_count,
brick->q_phase[2].no_progress_count,
atomic_read(&brick->q_phase[3].q_queued),
brick->q_phase[3].q_queued,
atomic_read(&brick->q_phase[3].q_flying),
brick->q_phase[3].pushback_count,
brick->q_phase[3].no_progress_count);