From: Nicholas Nethercote Date: Tue, 3 Sep 2002 14:09:19 +0000 (+0000) Subject: Added note about Cachegrind's hack treatment of 28/108B FPU instrs to X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5032f4de80f8bd7c7f6b3ee8a60564fda2ce71d0;p=thirdparty%2Fvalgrind.git Added note about Cachegrind's hack treatment of 28/108B FPU instrs to shortcomings list in manual. git-svn-id: svn://svn.valgrind.org/valgrind/branches/VALGRIND_1_0_BRANCH@862 --- diff --git a/docs/manual.html b/docs/manual.html index 47ec6221cd..bb95561ca4 100644 --- a/docs/manual.html +++ b/docs/manual.html @@ -2677,6 +2677,13 @@ Valgrind's cache profiling has a number of shortcomings:
btsl %eax, %edx
This should only happen rarely. +

+ +

  • FPU instructions with data sizes of 28 and 108 bytes (e.g. + fsave) are treated as though they only access 16 bytes. + These instructions seem to be rare so hopefully this won't affect + accuracy much. +
  • Another thing worth nothing is that results are very sensitive. Changing the