From c3d0258d5af2a50529e8928fe458344e38653d25 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Wed, 14 Jul 2021 06:53:51 -0700 Subject: scftorture: Count reschedule IPIs Currently, only those IPIs that invoke scftorture's scf_handler() IPI handler function are counted. This means that runs exercising only scftorture.weight_resched will look like they have made no forward progress, resulting in "GP HANG" complaints from the rcutorture scripting. This commit therefore increments the scf_invoked_count per-CPU counter immediately after calling resched_cpu(). Fixes: 1ac78b49d61d4 ("scftorture: Add an alternative IPI vector") Signed-off-by: Paul E. McKenney --- kernel/scftorture.c | 1 + 1 file changed, 1 insertion(+) (limited to 'kernel/scftorture.c') diff --git a/kernel/scftorture.c b/kernel/scftorture.c index 74348abc792b..00bba2bdd4d1 100644 --- a/kernel/scftorture.c +++ b/kernel/scftorture.c @@ -341,6 +341,7 @@ static void scftorture_invoke_one(struct scf_statistics *scfp, struct torture_ra cpu = torture_random(trsp) % nr_cpu_ids; scfp->n_resched++; resched_cpu(cpu); + this_cpu_inc(scf_invoked_count); } break; case SCF_PRIM_SINGLE: -- cgit v1.2.3