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Add conditional reschedules to env_sort

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Sorting can take a long time with big cache sizes and a lot of dirty
data. Make sure we reschedule frome time to time to avoid lockups.

Signed-off-by: Jan Musial <jan.musial@intel.com>
This commit is contained in:
Jan Musial 2020-04-29 11:34:40 +02:00
parent 0621ca59b3
commit d25b059e2c
1 changed files with 3 additions and 1 deletions
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4
modules/cas_cache/ocf_env.c
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@ -266,7 +266,7 @@ void env_sort(void *base, size_t num, size_t size,
/* heapify */ /* heapify */
for ( ; i >= 0; i -= size) { for ( ; i >= 0; i -= size) {
for (r = i; r * 2 + size < n; r = c) { for (r = i; r * 2 + size < n; r = c) {
c = r * 2 + size; c = r * 2 + size;
if (c < n - size && if (c < n - size &&
cmp_fn(base + c, base + c + size) < 0) cmp_fn(base + c, base + c + size) < 0)
@ -275,6 +275,7 @@ void env_sort(void *base, size_t num, size_t size,
break; break;
swap_fn(base + r, base + c, size); swap_fn(base + r, base + c, size);
} }
env_cond_resched();
} }
/* sort */ /* sort */
@ -289,5 +290,6 @@ void env_sort(void *base, size_t num, size_t size,
break; break;
swap_fn(base + r, base + c, size); swap_fn(base + r, base + c, size);
} }
env_cond_resched();
} }
} }