https://bugs.kde.org/show_bug.cgi?id=380942
Julian Seward <jsew...@acm.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #105965|0 |1
is obsolete| |
--- Comment #3 from Julian Seward <jsew...@acm.org> ---
Created attachment 156636
--> https://bugs.kde.org/attachment.cgi?id=156636&action=edit
valgrind-bug380942-Callgrind-MESI.diff-2023Feb23-rebased
Here's the same patch rebased to V sources of 23 Feb 2023. --fair-sched=yes
has been hardwired (see comment 1) and the scheduling quantum has been reduced
from 1200 to 800, for safety.
TL;DR to build is now:
git clone https://sourceware.org/git/valgrind.git mesi2023
cd mesi2023
patch -p1 < valgrind-bug380942-Callgrind-MESI.diff-2023Feb23-rebased
./autogen.sh
./configure --prefix=`pwd`/Inst --enable-only64bit
make -j 8 all
make -j 8 install
To run:
/path/to/mesi2023/Inst/bin/valgrind \
--tool=callgrind --simulate-mesi=yes <program and args>
kcachegrind callgrind.out.<PID>
See comment 1 for more details on the RFO events. These are the "requests for
ownership" (cache line transfers) which contain the info of interest here.
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