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Parallelize initializing collision section

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk 2022-09-16 13:36:49 +02:00
parent b50bd1b506
commit 4dbf740f5b
1 changed files with 51 additions and 7 deletions
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58
src/metadata/metadata.c
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@ -18,6 +18,7 @@
#include "../utils/utils_cache_line.h"
#include "../utils/utils_io.h"
#include "../utils/utils_pipeline.h"
#include "../utils/utils_parallelize.h"
#define OCF_METADATA_DEBUG 0
@ -831,23 +832,66 @@ static inline void _ocf_init_collision_entry(struct ocf_cache *cache,
/*
* Initialize collision table
*/
static int ocf_metadata_init_collision_handle(ocf_parallelize_t parallelize,
void *priv, unsigned shard_id, unsigned shards_cnt)
{
struct ocf_init_metadata_context *context = priv;
ocf_cache_t cache = context->cache;
ocf_cache_line_t collision_table_entries = cache->device->collision_table_entries;
uint32_t entry, portion, begin, end, step=0;
portion = OCF_DIV_ROUND_UP((uint64_t)collision_table_entries, shards_cnt);
begin = portion*shard_id;
end = OCF_MIN(portion*(shard_id + 1), collision_table_entries);
for (entry = begin; entry < end; entry++) {
OCF_COND_RESCHED_DEFAULT(step);
if (entry >= collision_table_entries)
break;
_ocf_init_collision_entry(cache, entry);
}
return 0;
}
static void ocf_metadata_init_finish(ocf_parallelize_t parallelize,
void *priv, int error)
{
struct ocf_init_metadata_context *context = priv;
ocf_pipeline_next(context->pipeline);
ocf_parallelize_destroy(parallelize);
}
void ocf_metadata_init_collision(ocf_pipeline_t pipeline, void *priv,
ocf_pipeline_arg_t arg)
{
struct ocf_init_metadata_context *context = priv;
struct ocf_init_metadata_context *parallel_context;
ocf_cache_t cache = context->cache;
unsigned int i;
unsigned int step = 0;
ocf_parallelize_t parallelize;
int result;
if (context->skip_collision)
OCF_PL_NEXT_RET(pipeline);
for (i = 0; i < cache->device->collision_table_entries; i++) {
_ocf_init_collision_entry(cache, i);
OCF_COND_RESCHED_DEFAULT(step);
}
result = ocf_parallelize_create(&parallelize, cache,
ocf_cache_get_queue_count(cache), sizeof(*context),
ocf_metadata_init_collision_handle,
ocf_metadata_init_finish);
if (result)
OCF_PL_FINISH_RET(pipeline, result);
ocf_pipeline_next(context->pipeline);
parallel_context = ocf_parallelize_get_priv(parallelize);
parallel_context->pipeline = pipeline;
parallel_context->cache = cache;
ocf_parallelize_run(parallelize);
}
/*