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New ioctl for retriveing ocf stats.

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Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk
2019-08-26 07:21:09 -04:00
parent bda0eb41a9
commit 4726bedb50
5 changed files with 91 additions and 1 deletions
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52
modules/cas_cache/layer_cache_management.c
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@@ -1753,6 +1753,58 @@ int cache_mngt_interrupt_flushing(const char *cache_name)
}
int cache_mngt_get_stats(struct kcas_get_stats *stats)
{
int result;
ocf_cache_t cache;
ocf_core_t core = NULL;
result = mngt_get_cache_by_id(cas_ctx, stats->cache_id, &cache);
if (result)
return result;
result = _cache_mngt_read_lock_sync(cache);
if (result)
goto put;
if (stats->core_id == OCF_CORE_ID_INVALID &&
stats->part_id == OCF_IO_CLASS_INVALID) {
result = ocf_stats_collect_cache(cache, &stats->usage, &stats->req,
&stats->blocks, &stats->errors);
if (result)
goto unlock;
} else if (stats->part_id == OCF_IO_CLASS_INVALID) {
result = get_core_by_id(cache, stats->core_id, &core);
if (result)
goto unlock;
result = ocf_stats_collect_core(core, &stats->usage, &stats->req,
&stats->blocks, &stats->errors);
if (result)
goto unlock;
} else {
if (stats->core_id == OCF_CORE_ID_INVALID) {
result = ocf_stats_collect_part_cache(cache, stats->part_id,
&stats->usage, &stats->req, &stats->blocks);
} else {
result = get_core_by_id(cache, stats->core_id, &core);
if (result)
goto unlock;
result = ocf_stats_collect_part_core(core, stats->part_id,
&stats->usage, &stats->req, &stats->blocks);
}
}
unlock:
ocf_mngt_cache_read_unlock(cache);
put:
ocf_mngt_cache_put(cache);
return result;
}
int cache_mngt_get_info(struct kcas_cache_info *info)
{
uint32_t i, j;