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IO: Allow to take new loops if the thread is hot, but only one at time

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This commit is contained in:
Maria Matejka 2024-06-27 08:26:00 +02:00
parent 18d069d663
commit 2bf28e790e
1 changed files with 3 additions and 4 deletions
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7
sysdep/unix/io-loop.c
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@ -678,9 +678,6 @@ birdloop_take(struct birdloop_pickup_group *group)
{ {
struct birdloop *loop = NULL; struct birdloop *loop = NULL;
if (birdloop_hot_potato(this_thread->meta))
return;
LOCK_DOMAIN(attrs, group->domain); LOCK_DOMAIN(attrs, group->domain);
if (this_thread->busy_active && if (this_thread->busy_active &&
@ -743,7 +740,9 @@ birdloop_take(struct birdloop_pickup_group *group)
if (group->thread_busy_count < group->thread_count) if (group->thread_busy_count < group->thread_count)
thread_count -= group->thread_busy_count; thread_count -= group->thread_busy_count;
uint assign = 1 + group->loop_unassigned_count / thread_count; uint assign = birdloop_hot_potato(this_thread->meta) ? 1 :
1 + group->loop_unassigned_count / thread_count;
for (uint i=0; !EMPTY_LIST(group->loops) && i<assign; i++) for (uint i=0; !EMPTY_LIST(group->loops) && i<assign; i++)
{ {
loop = SKIP_BACK(struct birdloop, n, HEAD(group->loops)); loop = SKIP_BACK(struct birdloop, n, HEAD(group->loops));