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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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26
modules/include/cas_ioctl_codes.h
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@@ -157,6 +157,28 @@ struct kcas_flush_core {
int ext_err_code;
};
struct kcas_get_stats {
/** id of a cache */
uint16_t cache_id;
/** id of a core */
uint16_t core_id;
/** id of an ioclass */
uint16_t part_id;
/** fields to be filled with statistics */
struct ocf_stats_usage usage;
struct ocf_stats_requests req;
struct ocf_stats_blocks blocks;
struct ocf_stats_errors errors;
int ext_err_code;
};
struct kcas_cache_info {
/** id of a cache */
uint16_t cache_id;
@@ -405,6 +427,7 @@ struct kcas_get_cache_param {
* 31 * KCAS_IOCTL_GET_CORE_PARAM * OK *
* 32 * KCAS_IOCTL_SET_CACHE_PARAM * OK *
* 33 * KCAS_IOCTL_GET_CACHE_PARAM * OK *
* 34 * KCAS_IOCTL_GET_STATS * OK *
*******************************************************************************
*/
@@ -492,6 +515,9 @@ struct kcas_get_cache_param {
/** Get various cache runtime parameters */
#define KCAS_IOCTL_GET_CACHE_PARAM _IOW(KCAS_IOCTL_MAGIC, 33, struct kcas_get_cache_param)
/** Get stats of particular OCF object */
#define KCAS_IOCTL_GET_STATS _IOR(KCAS_IOCTL_MAGIC, 34, struct kcas_get_stats)
/**
* Extended kernel CAS error codes
*/