On Wed, Apr 27, 2016 at 05:26:16PM +0200, Andrew Jones wrote: > On Wed, Apr 27, 2016 at 04:09:00PM +0100, Alex Bennée wrote: > > > > Andrew Jones <drjo...@redhat.com> writes: > > > > > On Fri, Feb 26, 2016 at 01:15:22PM +0000, Alex Bennée wrote: > > >> Hi, > > >> > > >> Some of these patches have been posted before and previous patches > > >> have already been accepted upstream so I'm tagging this as a new RFC > > >> series. > > >> > > >> This is a series of tests built around kvm-unit-tests but built with > > >> the express purpose of stressing the TCG, in particular MTTCG builds. > > >> > > >> Changes from previous appearances: > > >> > > >> * Separated locking and barrier tests > > >> * Included Drew's IPI patches (used in tcg-test) > > >> * New TCG chaining test > > >> > > >> The new barrier tests really only fails when running on MTTCG builds on > > >> a weak backend. Many thanks to Will Deacon for helping me get a > > >> working test case at the last Connect. > > >> > > >> I'm mainly posting these for reference for others testing MTTCG as > > >> I've still got to check I've addressed any outstanding review > > >> comments. However there has been enough code churn some of the > > >> comments may no longer be relevant. > > >> > > >> The TCG tests are also useful as benchmarks for comparing the cost of > > >> having chained basic blocks versus exiting the loop every time. The > > >> pathological case is the computed jumps test as all the addresses are > > >> within a PAGE_SIZE boundary the tb_jump_cache has no effect meaning a > > >> full look up each time. > > >> > > >> Alex Bennée (8): > > >> config/config-arm-common: build-up tests-common target > > >> lib: add isaac prng library from CCAN > > >> arm/run: set indentation defaults for emacs > > >> arm/run: allow aarch64 to start arm binaries > > >> arm/tlbflush-test: Add TLB torture test > > >> arm/locking-tests: add comprehensive locking test > > >> arm/barrier-litmus-tests: add some litmus tests > > >> arm/tcg-test: some basic TCG exercising tests > > >> > > >> Andrew Jones (3): > > >> arm/arm64: irq enable/disable > > >> arm/arm64: Add initial gic support > > >> arm/arm64: Add IPI test > > > > > > I've actually updated these patches a bit, and started extending the > > > series to also work with a v3 gic. I'll pick that back up and get it > > > posted for you (hopefully next week). Or I'll at least update my > > > arm/ipi-test branch with the changes I've made for gicv2... > > > > I'm getting ready to post the current iteration and I realised I hadn't > > seen your updates. Have they gone public anywhere? > > Sorry. I didn't finish polishing the gicv3 stuff so didn't end up > sending anything. I'll send something tomorrow (same story as last time, > if not gicv3 stuff, at least updated gicv2 :-)
I didn't find enough time to play with gicv3 today, but I considered it in the framework (added some stub functions). New branch is here[*]. I hope to add the gicv3 functionality and post soon. [*] https://github.com/rhdrjones/kvm-unit-tests/commits/arm/ipi-test-new Thanks, drew
