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Per-queue multi-stream sequential cutoff

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Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga
2020-12-28 16:46:22 +01:00
parent ac9bd5b094
commit 3ee253cc4e
13 changed files with 354 additions and 60 deletions
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9
inc/ocf_core.h
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@@ -112,6 +112,15 @@ uint32_t ocf_core_get_seq_cutoff_threshold(ocf_core_t core);
*/
ocf_seq_cutoff_policy ocf_core_get_seq_cutoff_policy(ocf_core_t core);
/**
* @brief Get sequential cutoff stream promotion req count of given core object
*
* @param[in] core Core object
*
* @retval Sequential cutoff stream promotion request count
*/
uint32_t ocf_core_get_seq_cutoff_promotion_count(ocf_core_t core);
/**
* @brief Get name of given core object
*

2
inc/ocf_debug.h
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@@ -12,7 +12,7 @@ struct ocf_dbg_seq_cutoff_status {
uint64_t bytes;
uint32_t rw : 1;
uint32_t active : 1;
} streams[OCF_SEQ_CUTOFF_MAX_STREAMS];
} streams[OCF_SEQ_CUTOFF_PERCORE_STREAMS];
};
void ocf_dbg_get_seq_cutoff_status(ocf_core_t core,

5
inc/ocf_def.h
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@@ -175,9 +175,12 @@ typedef enum {
/*!< Current cache mode of given cache instance */
} ocf_cache_mode_t;
#define OCF_SEQ_CUTOFF_MAX_STREAMS 256
#define OCF_SEQ_CUTOFF_PERCORE_STREAMS 128
#define OCF_SEQ_CUTOFF_PERQUEUE_STREAMS 64
#define OCF_SEQ_CUTOFF_MIN_THRESHOLD 1
#define OCF_SEQ_CUTOFF_MAX_THRESHOLD 4194181
#define OCF_SEQ_CUTOFF_MIN_PROMOTION_COUNT 1
#define OCF_SEQ_CUTOFF_MAX_PROMOTION_COUNT 65535
typedef enum {
ocf_seq_cutoff_policy_always = 0,

45
inc/ocf_mngt.h
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@@ -42,6 +42,9 @@ struct ocf_mngt_core_config {
uint32_t seq_cutoff_threshold;
/*!< Sequential cutoff threshold (in bytes) */
uint32_t seq_cutoff_promotion_count;
/*!< Sequential cutoff promotion request count */
struct {
void *data;
size_t size;
@@ -61,6 +64,7 @@ static inline void ocf_mngt_core_config_set_default(
{
cfg->try_add = false;
cfg->seq_cutoff_threshold = 1024;
cfg->seq_cutoff_promotion_count = 8;
cfg->user_metadata.data = NULL;
cfg->user_metadata.size = 0;
}
@@ -1010,6 +1014,47 @@ int ocf_mngt_core_set_seq_cutoff_policy_all(ocf_cache_t cache,
int ocf_mngt_core_get_seq_cutoff_policy(ocf_core_t core,
ocf_seq_cutoff_policy *policy);
/**
* @brief Set core sequential cutoff promotion request count
*
* @attention This changes only runtime state. To make changes persistent
* use function ocf_mngt_cache_save().
*
* @param[in] core Core handle
* @param[in] thresh promotion request count
*
* @retval 0 Sequential cutoff promotion requets count has been set successfully
* @retval Non-zero Error occured and request count hasn't been updated
*/
int ocf_mngt_core_set_seq_cutoff_promotion_count(ocf_core_t core,
uint32_t count);
/**
* @brief Set sequential cutoff promotion request count for all cores in cache
*
* @attention This changes only runtime state. To make changes persistent
* use function ocf_mngt_cache_save().
*
* @param[in] cache Cache handle
* @param[in] count promotion request count
*
* @retval 0 Sequential cutoff promotion request count has been set successfully
* @retval Non-zero Error occured and request count hasn't been updated
*/
int ocf_mngt_core_set_seq_cutoff_promotion_count_all(ocf_cache_t cache,
uint32_t count);
/**
* @brief Get core sequential cutoff promotion threshold
*
* @param[in] core Core handle
* @param[out] count promotion request count
*
* @retval 0 Sequential cutoff promotion request count has been get successfully
* @retval Non-zero Error occured
*/
int ocf_mngt_core_get_seq_cutoff_promotion_count(ocf_core_t core,
uint32_t *count);
/**
* @brief Set cache fallback Pass Through error threshold
*