https://bugs.kde.org/show_bug.cgi?id=380942
Bug ID: 380942
Summary: Experimental: add MESI protocol simulation to
Callgrind
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: callgrind
Assignee: josef.weidendor...@gmx.de
Reporter: jsew...@acm.org
Target Milestone: ---
It would be really great if it was possible to use Callgrind to simulate
enough of the MESI protocol to find out where multithreaded code is
interacting badly with the protocol. In practice that means, finding places
where cache lines are transferred between threads, and (ideally) detecting
whether those transfers are due to true or false sharing.
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