oracle 如何使用 TKPROF 实用程序以及语法和参数？
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时间：2020-09-10 02:27:26 来源:igfitidea点击:
How to use TKPROF utility along with syntax and parameters?
提问by P Sharma
How to use TKPROF utility along with syntax and parameters?
如何使用 TKPROF 实用程序以及语法和参数？
回答by Tony Andrews
If you just type "tkprof" at the OS command prompt it lists its parameters and their meaning like this:
如果您只是在操作系统命令提示符下键入“tkprof”，它会列出其参数及其含义，如下所示：
> tkprof
Usage: tkprof tracefile outputfile [explain= ] [table= ]
[print= ] [insert= ] [sys= ] [sort= ]
table=schema.tablename Use 'schema.tablename' with 'explain=' option.
explain=user/password Connect to ORACLE and issue EXPLAIN PLAN.
print=integer List only the first 'integer' SQL statements.
aggregate=yes|no
insert=filename List SQL statements and data inside INSERT statements.
sys=no TKPROF does not list SQL statements run as user SYS.
record=filename Record non-recursive statements found in the trace file.
waits=yes|no Record summary for any wait events found in the trace file.
sort=option Set of zero or more of the following sort options:
prscnt number of times parse was called
prscpu cpu time parsing
prsela elapsed time parsing
prsdsk number of disk reads during parse
prsqry number of buffers for consistent read during parse
prscu number of buffers for current read during parse
prsmis number of misses in library cache during parse
execnt number of execute was called
execpu cpu time spent executing
exeela elapsed time executing
exedsk number of disk reads during execute
exeqry number of buffers for consistent read during execute
execu number of buffers for current read during execute
exerow number of rows processed during execute
exemis number of library cache misses during execute
fchcnt number of times fetch was called
fchcpu cpu time spent fetching
fchela elapsed time fetching
fchdsk number of disk reads during fetch
fchqry number of buffers for consistent read during fetch
fchcu number of buffers for current read during fetch
fchrow number of rows fetched
userid userid of user that parsed the cursor
A typical usage would be:
一个典型的用法是：
tkprof tracefile.trc myoutputfile.txt explain=myschema/password sys=no sort=exeela
For more info see the Performance Tuning Guide.
有关详细信息，请参阅性能调优指南。
