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YourKit Java Profiler 8.0-build4020 (EAP branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News YourKit Java Profiler 8.0-build4020 (EAP branch)
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Old 11-12-2008
YourKit Java Profiler 8.0-build4020 (EAP branch)
ImageYourKit Java Profiler is a CPU and memory profilerthat makes it easy to solve wide range of CPU- andmemory-related performance problems. It featuresautomatic leak detection, powerful tools for theanalysis of memory distribution, an object heapbrowser, comprehensive memory tests as part ofyour JUnit testing process, extremely lowprofiling overhead, transparent deobfuscationsupport, and integration with Eclipse, JBuilder,IntelliJ IDEA, NetBeans, and JDeveloper IDEs.License: Free for non-commercial useChanges:
The "Class loaders" view, which shows objectsgrouped by class loader, was implemented. A graphwith thread status telemetry is automaticallyscrolled when the mouse is dragged to the left orright side.Image

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LEARN ABOUT DEBIAN

data::objectdriver::profiler

Data::ObjectDriver::Profiler(3pm)			User Contributed Perl Documentation			 Data::ObjectDriver::Profiler(3pm)

NAME

       Data::ObjectDriver::Profiler - Query profiling

SYNOPSIS

	   my $profiler = Data::ObjectDriver->profiler;

	   my $stats = $profiler->statistics;
	   my $total = $stats->{'DBI:total_queries'};

	   my $log = $profiler->query_log;

	   $profiler->reset;

USAGE

   $Data::ObjectDriver::PROFILE
       To turn on profiling, set $Data::ObjectDriver::PROFILE to a true value.	Alternatively, you can set the DOD_PROFILE environment variable to
       a true value before starting your application.

   Data::ObjectDriver->profiler
       Profiling is global to Data::ObjectDriver, so the Profiler object is a global instance variable. To get it, call
       Data::ObjectDriver->profiler, which returns a Data::ObjectDriver::Profiler object.

   $profiler->statistics
       Returns a hash reference of statistics about the queries that have been executed.

   $profiler->query_log
       Returns a reference to an array of SQL queries as they were handed off to DBI. This means that placeholder variables are not substituted,
       so you'll end up with queries in the query log like "SELECT title, difficulty FROM recipe WHERE recipe_id = ?".

   $profiler->query_frequency
       Returns a reference to a hash containing, as keys, all of the SQL statements in the query log, where the value for each of the keys is a
       number representing the number of times the query was executed.

   $profiler->reset
       Resets the statistics and the query log.

   $profiler->total_queries
       Returns the total number of queries currently logged in the profiler.

   $profiler->report_queries_by_type
       Returns a string containing a pretty report of information about the current number of each type of query in the profiler (e.g. "SELECT",
       "INSERT").

   $profiler->report_query_frequency
       Returns a string containing a pretty report of information about the current query frequency information in the profiler.

perl v5.12.4							    2011-08-29					 Data::ObjectDriver::Profiler(3pm)