It turns out no handler is implementing prehandle() posthandle() JIRA: https://gem5.atlassian.net/projects/GEM5/issues/GEM5-533 Change-Id: Ie8d92027f29fc33192fcf0d495fd3c4f6e4075aa Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/30217 Maintainer: Bobby R. Bruce <bbruce@ucdavis.edu> Tested-by: kokoro <noreply+kokoro@google.com> Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>