Revision: 1382
Author: [email protected]
Date: Thu Oct 14 02:13:04 2010
Log: Doc tweaks, mainly to the MAKING NYTPROF FASTER section.
http://code.google.com/p/perl-devel-nytprof/source/detail?r=1382
Modified:
/trunk/lib/Devel/NYTProf.pm
=======================================
--- /trunk/lib/Devel/NYTProf.pm Fri Sep 24 07:28:35 2010
+++ /trunk/lib/Devel/NYTProf.pm Thu Oct 14 02:13:04 2010
@@ -163,8 +163,7 @@
By default the statement profiler also determines the first line of the
current
block and the first line of the current statement, and accumulates times
-associated with those. NYTProf is the only Perl profiler to perform block
level
-profiling.
+associated with those.
Another innovation unique to NYTProf is automatic compensation for a
problem
inherent in simplistic statement-to-statement timing. Consider a statement
that
@@ -378,9 +377,6 @@
This feature also ensures that in embedded environments, such as mod_perl,
the last statement executed doesn't accumulate the time spent 'outside
perl'.
-NYTProf is the only line-level profiler to measure these times correctly.
-The profiler is fast enough that you shouldn't need to disable this
feature.
-
=head2 findcaller=1
Force NYTProf to recalculate the name of the caller of the each sub
instead of
@@ -715,9 +711,8 @@
If you don't need statement-level profiling then you can disable it via
L</stmts=0>.
If you do want it but don't mind loosing block-level timings then set
L</blocks=0>.
-If you want need still more speed then set L</leave=0> to disable the
-adjustments made for statements that 'leave' the current control flow
(doing
-this I<will> make timings for some kinds of statements less accurate).
+To further boost statement-level profiling performance try L</leave=0> but
note that
+I<will> apportion timings for some kinds of statements less accurate).
If you don't need subroutine profiling then you can disable it via
L</subs=0>.
If you do need it but don't need timings for perl opcodes then set
L</slowops=0>.
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