[project @ 1999-05-11 16:42:29 by keithw]

[ghc-hetmet.git] / ghc / docs / users_guide / runtime_control.vsgml

diff --git a/ghc/docs/users_guide/runtime_control.vsgml b/ghc/docs/users_guide/runtime_control.vsgml
index 1ab72dc..464483a 100644 (file)
--- a/ghc/docs/users_guide/runtime_control.vsgml
+++ b/ghc/docs/users_guide/runtime_control.vsgml
@@ -251,7 +251,9 @@ The @<file>@ business works just like on the @-S@ RTS option (above).
 @-ticky@<nidx>-ticky option</nidx> (a.k.a. ``ticky-ticky profiling''),
 and, for it to be really useful, linked with suitable system
 libraries.  Not a trivial undertaking: consult the installation guide
-on how to set things up for easy ``ticky-ticky'' profiling.
+on how to set things up for easy ``ticky-ticky'' profiling.  For more
+information, see Section <ref name="Using ``ticky-ticky'' profiling
+(for implementors)" id="ticky-ticky">.
 
 <tag>@-D<num>@:</tag>
 <nidx>-D RTS option</nidx>
@@ -275,8 +277,10 @@ bits are set in @<num>@.  Only works if the RTS was compiled with the
 
 <tag>@-Z@:</tag>
 <nidx>-Z RTS option</nidx>
-Turn <em>off</em> ``update-frame squeezing'' at garbage-collection time.
-(There's no particularly good reason to turn it off.)
+Turn <em>off</em> ``update-frame squeezing'' at garbage-collection
+time.  (There's no particularly good reason to turn it off, except to
+ensure the accuracy of certain data collected regarding thunk entry
+counts.)
 </descrip>
 
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