On Wed, Sep 30, 2026 at 11:21:22AM -0700, Sean Christopherson wrote: > On Tue, Sep 29, 2026, Leonardo Bras wrote: > > Dirty-ring should be enabled after the VM is created, but before the > > creation of any cpu. To to so, add an option on memstress_create_vm() that > > takes dirty-ring size, and enables it at the correct moment. > > > > This required a new function memstress_vm_create_with_vcpus() to be > > created based on the previously used __vm_create_with_vcpus(); > > Rather than pile on more params, if I ask really nicely, would you rework > memstress_create_vm() and friends APIs to take a "struct memstress_params"? > Except for dirty_log_page_splitting_test.c, all of the memstress tests already > use a struct, i.e. while tedious, it should be straightforward and won't put > undue burden on tests (which is why the core VM creation APIs don't take a > struct > of params). > > Then it will be easier to extend memstress in the future, and I suspect the > existing code will come out cleaner as well. E.g. dirty_log_perf_test.c > stores > nr_vcpus as a global, despite it being fully contained by main() => > run_test(), > right alongside the test params...
Hi Sean, thanks for reviewing! Sure, will convert it to use a struct as well :) Thanks! Leo

