Spec-Zone .ru
спецификации, руководства, описания, API
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MySQL supports the following static probes, organized into groups of functionality.
Table 5.10. MySQL DTrace Probes
Group | Probes |
---|---|
Connection | connection-start , connection-done |
Command | command-start , command-done |
Query | query-start , query-done |
Query Parsing | query-parse-start , query-parse-done
|
Query Cache | query-cache-hit , query-cache-miss |
Query Execution | query-exec-start , query-exec-done |
Row Level | insert-row-start , insert-row-done |
update-row-start , update-row-done |
|
delete-row-start , delete-row-done |
|
Row Reads | read-row-start , read-row-done |
Index Reads | index-read-row-start , index-read-row-done |
Lock | handler-rdlock-start , handler-rdlock-done |
handler-wrlock-start , handler-wrlock-done |
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handler-unlock-start , handler-unlock-done |
|
Filesort | filesort-start , filesort-done |
Statement | select-start , select-done |
insert-start , insert-done |
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insert-select-start , insert-select-done |
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update-start , update-done |
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multi-update-start , multi-update-done
|
|
delete-start , delete-done |
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multi-delete-start , multi-delete-done
|
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Network | net-read-start , net-read-done , net-write-start , net-write-done |
Keycache | keycache-read-start , keycache-read-block , keycache-read-done ,
keycache-read-hit , keycache-read-miss ,
keycache-write-start , keycache-write-block ,keycache-write-done |
When extracting the argument data from the probes, each argument is available as arg
, starting with N
arg0
. To identify each argument within the definitions they are provided with a
descriptive name, but you must access the information using the corresponding arg
parameter.N