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WL#2360 Performance schema

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Part V: performance schema implementation
This commit is contained in:
Marc Alff
2010-01-11 18:47:27 -07:00
parent a4c3bc618b
commit 67a48e1a4c
285 changed files with 27090 additions and 629 deletions
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66
mysql-test/suite/perfschema/r/query_cache.result Normal file
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drop table if exists t1;
create table t1 (a int not null);
insert into t1 values (1), (2), (3);
SET GLOBAL query_cache_size=1355776;
flush query cache;
reset query cache;
select * from t1;
a
1
2
3
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 0
select * from t1;
a
1
2
3
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
select spins from performance_schema.EVENTS_WAITS_CURRENT order by event_name limit 1;
spins
NULL
select name from performance_schema.SETUP_INSTRUMENTS order by name limit 1;
name
wait/io/file/csv/data
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
select spins from performance_schema.EVENTS_WAITS_CURRENT order by event_name limit 1;
spins
NULL
select name from performance_schema.SETUP_INSTRUMENTS order by name limit 1;
name
wait/io/file/csv/data
show status like "Qcache_queries_in_cache";
Variable_name Value
Qcache_queries_in_cache 1
show status like "Qcache_inserts";
Variable_name Value
Qcache_inserts 1
show status like "Qcache_hits";
Variable_name Value
Qcache_hits 1
SET GLOBAL query_cache_size= default;
drop table t1;