diff options
Diffstat (limited to 'xlators/performance/io-threads/src/io-threads.h')
| -rw-r--r-- | xlators/performance/io-threads/src/io-threads.h | 66 |
1 files changed, 46 insertions, 20 deletions
diff --git a/xlators/performance/io-threads/src/io-threads.h b/xlators/performance/io-threads/src/io-threads.h index 4300cf673b2..5c3403a7153 100644 --- a/xlators/performance/io-threads/src/io-threads.h +++ b/xlators/performance/io-threads/src/io-threads.h @@ -11,6 +11,11 @@ #ifndef __IOT_H #define __IOT_H +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + #include "compat-errno.h" #include "glusterfs.h" @@ -25,6 +30,8 @@ #include <semaphore.h> #include "statedump.h" +#define GF_IO_THREADS "io-threads" +const char *_IOT_NAMESPACE_CONF = TOSTRING (GLUSTERD_WORKDIR) "/namespaces.conf"; struct iot_conf; @@ -38,23 +45,33 @@ struct iot_conf; #define IOT_MIN_FOP_PER_THREAD 0 #define IOT_MAX_FOP_PER_THREAD 2000 - -#define IOT_THREAD_STACK_SIZE ((size_t)(1024*1024)) - - -#define IOT_LEAST_THROTTLE_DELAY 1 /* sample interval in seconds */ -struct iot_least_throttle { - struct timeval sample_time; /* timestamp of current sample */ - uint32_t sample_cnt; /* sample count for active interval */ - uint32_t cached_rate; /* the most recently measured rate */ - int32_t rate_limit; /* user-specified rate limit */ - pthread_mutex_t lock; -}; +/* A queue (well, typically a set of IOT_PRI_MAX queues) that corresponds to + * a namespace and a priority level. */ +typedef struct _iot_ns_queue { + uint32_t hash; /* Hash of namespace queue corresponds to. */ + uint32_t weight; /* Weight this queue should have in the clock. */ + double percentage; /* Percentage of total weight given to this queue. */ + uint32_t slots; /* Temp variable for number of slots to allocate to this queue. */ + uint32_t size; /* Number of reqs in the queue currently. */ + struct list_head reqs; /* Queue of fop call-stubs (requests) */ +} iot_ns_queue_t; + +/* A circular buffer which points to multiple queues which approximate a + * weighted round robin serving requests. */ +typedef struct _iot_ns_clock { + unsigned int idx; /* Current idx of position on clock. */ + size_t size; /* Size of clock. */ + iot_ns_queue_t **slots; /* Circular buffer of clock slots. */ +} iot_ns_clock_t; + +#define IOT_THREAD_STACK_SIZE ((size_t)(1024*1024*8)) struct iot_conf { pthread_mutex_t mutex; pthread_cond_t cond; + gf_boolean_t iambrickd; + int32_t max_count; /* configured maximum */ int32_t fops_per_thread_ratio; int32_t curr_count; /* actual number of threads running */ @@ -62,30 +79,39 @@ struct iot_conf { int32_t idle_time; /* in seconds */ - struct list_head reqs[IOT_PRI_MAX]; + gf_boolean_t ns_weighted_queueing; + uint32_t ns_default_weight; + double ns_weight_tolerance; + uint32_t ns_conf_reinit_secs; + time_t ns_conf_mtime; + dict_t *ns_queues; /* Queue for requsts for namespaces that were parsed. */ + dict_t *hash_to_ns; /* Hash key (string) -> Namespace string */ + iot_ns_clock_t ns_clocks[IOT_PRI_MAX]; /* Weighted Round Robin clocks (per priority). */ + iot_ns_queue_t ns_unknown_queue[IOT_PRI_MAX]; /* Queue for untagged requests (per priority). */ + + gf_boolean_t reinit_ns_conf_thread_running; + pthread_t reinit_ns_conf_thread; int32_t ac_iot_limit[IOT_PRI_MAX]; int32_t ac_iot_count[IOT_PRI_MAX]; int queue_sizes[IOT_PRI_MAX]; int queue_size; pthread_attr_t w_attr; - gf_boolean_t least_priority; /*Enable/Disable least-priority */ + gf_boolean_t least_priority; /* Enable/Disable least-priority */ - xlator_t *this; + xlator_t *this; size_t stack_size; - gf_boolean_t down; /*PARENT_DOWN event is notified*/ - gf_boolean_t mutex_inited; - gf_boolean_t cond_inited; - struct iot_least_throttle throttle; - int32_t watchdog_secs; gf_boolean_t watchdog_running; pthread_t watchdog_thread; gf_boolean_t queue_marked[IOT_PRI_MAX]; + gf_boolean_t cleanup_disconnected_reqs; }; typedef struct iot_conf iot_conf_t; +iot_pri_t iot_fop_to_pri (glusterfs_fop_t fop); + #endif /* __IOT_H */ |