4228812372

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Adapt rocksdb 7.9.2 (#102)

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/perf_context.go

package grocksdb

// #include <stdlib.h>
// #include "rocksdb/c.h"
import "C"
import (
        "unsafe"
)

// PerfContext a thread local context for gathering performance counter efficiently
// and transparently.
type PerfContext struct {
        c *C.rocksdb_perfcontext_t
}

// NewPerfContext returns new perf context.
func NewPerfContext() *PerfContext {
        return &PerfContext{
                c: C.rocksdb_perfcontext_create(),
        }
}

// Destroy perf context object.
func (ctx *PerfContext) Destroy() {
        C.rocksdb_perfcontext_destroy(ctx.c)
        ctx.c = nil
}

// Reset context.
func (ctx *PerfContext) Reset() {
        C.rocksdb_perfcontext_reset(ctx.c)
}

// Report with exclusion of zero counter.
func (ctx *PerfContext) Report(excludeZeroCounters bool) (value string) {
        cValue := C.rocksdb_perfcontext_report(ctx.c, boolToChar(excludeZeroCounters))
        value = C.GoString(cValue)
        C.free(unsafe.Pointer(cValue))
        return
}

// Metric returns value of a metric by its id.
//
// Id is one of:
//
//        enum {
//                rocksdb_user_key_comparison_count = 0,
//                rocksdb_block_cache_hit_count,
//                rocksdb_block_read_count,
//                rocksdb_block_read_byte,
//                rocksdb_block_read_time,
//                rocksdb_block_checksum_time,
//                rocksdb_block_decompress_time,
//                rocksdb_get_read_bytes,
//                rocksdb_multiget_read_bytes,
//                rocksdb_iter_read_bytes,
//                rocksdb_internal_key_skipped_count,
//                rocksdb_internal_delete_skipped_count,
//                rocksdb_internal_recent_skipped_count,
//                rocksdb_internal_merge_count,
//                rocksdb_get_snapshot_time,
//                rocksdb_get_from_memtable_time,
//                rocksdb_get_from_memtable_count,
//                rocksdb_get_post_process_time,
//                rocksdb_get_from_output_files_time,
//                rocksdb_seek_on_memtable_time,
//                rocksdb_seek_on_memtable_count,
//                rocksdb_next_on_memtable_count,
//                rocksdb_prev_on_memtable_count,
//                rocksdb_seek_child_seek_time,
//                rocksdb_seek_child_seek_count,
//                rocksdb_seek_min_heap_time,
//                rocksdb_seek_max_heap_time,
//                rocksdb_seek_internal_seek_time,
//                rocksdb_find_next_user_entry_time,
//                rocksdb_write_wal_time,
//                rocksdb_write_memtable_time,
//                rocksdb_write_delay_time,
//                rocksdb_write_pre_and_post_process_time,
//                rocksdb_db_mutex_lock_nanos,
//                rocksdb_db_condition_wait_nanos,
//                rocksdb_merge_operator_time_nanos,
//                rocksdb_read_index_block_nanos,
//                rocksdb_read_filter_block_nanos,
//                rocksdb_new_table_block_iter_nanos,
//                rocksdb_new_table_iterator_nanos,
//                rocksdb_block_seek_nanos,
//                rocksdb_find_table_nanos,
//                rocksdb_bloom_memtable_hit_count,
//                rocksdb_bloom_memtable_miss_count,
//                rocksdb_bloom_sst_hit_count,
//                rocksdb_bloom_sst_miss_count,
//                rocksdb_key_lock_wait_time,
//                rocksdb_key_lock_wait_count,
//                rocksdb_env_new_sequential_file_nanos,
//                rocksdb_env_new_random_access_file_nanos,
//                rocksdb_env_new_writable_file_nanos,
//                rocksdb_env_reuse_writable_file_nanos,
//                rocksdb_env_new_random_rw_file_nanos,
//                rocksdb_env_new_directory_nanos,
//                rocksdb_env_file_exists_nanos,
//                rocksdb_env_get_children_nanos,
//                rocksdb_env_get_children_file_attributes_nanos,
//                rocksdb_env_delete_file_nanos,
//                rocksdb_env_create_dir_nanos,
//                rocksdb_env_create_dir_if_missing_nanos,
//                rocksdb_env_delete_dir_nanos,
//                rocksdb_env_get_file_size_nanos,
//                rocksdb_env_get_file_modification_time_nanos,
//                rocksdb_env_rename_file_nanos,
//                rocksdb_env_link_file_nanos,
//                rocksdb_env_lock_file_nanos,
//                rocksdb_env_unlock_file_nanos,
//                rocksdb_env_new_logger_nanos,
//                rocksdb_number_async_seek,
//                rocksdb_blob_cache_hit_count,
//                rocksdb_blob_read_count,
//                rocksdb_blob_read_byte,
//                rocksdb_blob_read_time,
//                rocksdb_blob_checksum_time,
//                rocksdb_blob_decompress_time,
//                rocksdb_total_metric_count = 77
//          };
func (ctx *PerfContext) Metric(id int) uint64 {
        value := C.rocksdb_perfcontext_metric(ctx.c, C.int(id))
        return uint64(value)
}

1	package grocksdb
2
3	// #include <stdlib.h>
4	// #include "rocksdb/c.h"
5	import "C"
6	import (
7	"unsafe"
8	)
9
10	// PerfContext a thread local context for gathering performance counter efficiently
11	// and transparently.
12	type PerfContext struct {
13	c *C.rocksdb_perfcontext_t
14	}
15
16	// NewPerfContext returns new perf context.
17	func NewPerfContext() *PerfContext {	×
18	return &PerfContext{	×
19	c: C.rocksdb_perfcontext_create(),	×
20	}	×
21	}	×
22
23	// Destroy perf context object.
24	func (ctx *PerfContext) Destroy() {	×
25	C.rocksdb_perfcontext_destroy(ctx.c)	×
26	ctx.c = nil	×
27	}	×
28
29	// Reset context.
30	func (ctx *PerfContext) Reset() {	×
31	C.rocksdb_perfcontext_reset(ctx.c)	×
32	}	×
33
34	// Report with exclusion of zero counter.
35	func (ctx *PerfContext) Report(excludeZeroCounters bool) (value string) {	×
36	cValue := C.rocksdb_perfcontext_report(ctx.c, boolToChar(excludeZeroCounters))	×
37	value = C.GoString(cValue)	×
38	C.free(unsafe.Pointer(cValue))	×
39	return	×
40	}	×
41
42	// Metric returns value of a metric by its id.
43	//
44	// Id is one of:
45	//
46	// enum {
47	// rocksdb_user_key_comparison_count = 0,
48	// rocksdb_block_cache_hit_count,
49	// rocksdb_block_read_count,
50	// rocksdb_block_read_byte,
51	// rocksdb_block_read_time,
52	// rocksdb_block_checksum_time,
53	// rocksdb_block_decompress_time,
54	// rocksdb_get_read_bytes,
55	// rocksdb_multiget_read_bytes,
56	// rocksdb_iter_read_bytes,
57	// rocksdb_internal_key_skipped_count,
58	// rocksdb_internal_delete_skipped_count,
59	// rocksdb_internal_recent_skipped_count,
60	// rocksdb_internal_merge_count,
61	// rocksdb_get_snapshot_time,
62	// rocksdb_get_from_memtable_time,
63	// rocksdb_get_from_memtable_count,
64	// rocksdb_get_post_process_time,
65	// rocksdb_get_from_output_files_time,
66	// rocksdb_seek_on_memtable_time,
67	// rocksdb_seek_on_memtable_count,
68	// rocksdb_next_on_memtable_count,
69	// rocksdb_prev_on_memtable_count,
70	// rocksdb_seek_child_seek_time,
71	// rocksdb_seek_child_seek_count,
72	// rocksdb_seek_min_heap_time,
73	// rocksdb_seek_max_heap_time,
74	// rocksdb_seek_internal_seek_time,
75	// rocksdb_find_next_user_entry_time,
76	// rocksdb_write_wal_time,
77	// rocksdb_write_memtable_time,
78	// rocksdb_write_delay_time,
79	// rocksdb_write_pre_and_post_process_time,
80	// rocksdb_db_mutex_lock_nanos,
81	// rocksdb_db_condition_wait_nanos,
82	// rocksdb_merge_operator_time_nanos,
83	// rocksdb_read_index_block_nanos,
84	// rocksdb_read_filter_block_nanos,
85	// rocksdb_new_table_block_iter_nanos,
86	// rocksdb_new_table_iterator_nanos,
87	// rocksdb_block_seek_nanos,
88	// rocksdb_find_table_nanos,
89	// rocksdb_bloom_memtable_hit_count,
90	// rocksdb_bloom_memtable_miss_count,
91	// rocksdb_bloom_sst_hit_count,
92	// rocksdb_bloom_sst_miss_count,
93	// rocksdb_key_lock_wait_time,
94	// rocksdb_key_lock_wait_count,
95	// rocksdb_env_new_sequential_file_nanos,
96	// rocksdb_env_new_random_access_file_nanos,
97	// rocksdb_env_new_writable_file_nanos,
98	// rocksdb_env_reuse_writable_file_nanos,
99	// rocksdb_env_new_random_rw_file_nanos,
100	// rocksdb_env_new_directory_nanos,
101	// rocksdb_env_file_exists_nanos,
102	// rocksdb_env_get_children_nanos,
103	// rocksdb_env_get_children_file_attributes_nanos,
104	// rocksdb_env_delete_file_nanos,
105	// rocksdb_env_create_dir_nanos,
106	// rocksdb_env_create_dir_if_missing_nanos,
107	// rocksdb_env_delete_dir_nanos,
108	// rocksdb_env_get_file_size_nanos,
109	// rocksdb_env_get_file_modification_time_nanos,
110	// rocksdb_env_rename_file_nanos,
111	// rocksdb_env_link_file_nanos,
112	// rocksdb_env_lock_file_nanos,
113	// rocksdb_env_unlock_file_nanos,
114	// rocksdb_env_new_logger_nanos,
115	// rocksdb_number_async_seek,
116	// rocksdb_blob_cache_hit_count,
117	// rocksdb_blob_read_count,
118	// rocksdb_blob_read_byte,
119	// rocksdb_blob_read_time,
120	// rocksdb_blob_checksum_time,
121	// rocksdb_blob_decompress_time,
122	// rocksdb_total_metric_count = 77
123	// };
124	func (ctx *PerfContext) Metric(id int) uint64 {	×
125	value := C.rocksdb_perfcontext_metric(ctx.c, C.int(id))	×
126	return uint64(value)	×
127	}	×

linxGnu / grocksdb / 4228812372

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