diff options
Diffstat (limited to 'lib/tools/doc/src/lcnt_chapter.xml')
| -rw-r--r-- | lib/tools/doc/src/lcnt_chapter.xml | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/tools/doc/src/lcnt_chapter.xml b/lib/tools/doc/src/lcnt_chapter.xml index c73fcb31e0..24b58136aa 100644 --- a/lib/tools/doc/src/lcnt_chapter.xml +++ b/lib/tools/doc/src/lcnt_chapter.xml @@ -29,7 +29,7 @@ <approved>nobody</approved> <checked>no</checked> <date>2009-11-26</date> - <rev>PA1</rev> + <rev>PA2</rev> <file>lcnt_chapter.xml</file> </header> <p> @@ -97,8 +97,11 @@ ok ok </pre> <p> - Another way to to profile a specific function is to use <c>lcnt:apply/3</c> or <c>lcnt:apply/1</c> which does <c>lcnt:clear/0</c> before the function and <c>lcnt:collect/0</c> after its invocation. - It also sets <c>copy_save</c> to <c>true</c> for the duration of the function call + Another way to to profile a specific function is to use <c>lcnt:apply/3</c> or <c>lcnt:apply/1</c> + which does <c>lcnt:clear/0</c> before the function and <c>lcnt:collect/0</c> after its invocation. + This method should only be used in micro-benchmarks since it sets <c>copy_save</c> to <c>true</c> + for the duration of the function call, which may cause the emulator to run out of memory if + attempted under load. </p> <pre> Erlang R13B03 (erts-5.7.4) [source] [smp:8:8] [rq:8] [async-threads:0] [hipe] |