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Include this information in the error message so that failures can be distinguished between isolated and mixed workloads. Signed-off-by: Håkon Bugge --- kernel/locking/test-ww_mutex.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/kernel/locking/test-ww_mutex.c b/kernel/locking/test-ww_mutex.c index e11f6b869b4d4..01af56b0bb6c0 100644 --- a/kernel/locking/test-ww_mutex.c +++ b/kernel/locking/test-ww_mutex.c @@ -408,6 +408,7 @@ struct stress { unsigned long timeout; int nlocks; int result; + bool run_in_isolation; }; struct rnd_state rng; @@ -449,6 +450,11 @@ static void dummy_load(struct stress *stress) usleep_range(1000, 2000); } +static const char *in_isolation_or_mixed(bool in_isolation) +{ + return in_isolation ? "in isolation" : "mixed workload"; +} + static void stress_inorder_work(struct work_struct *work) { struct stress *stress = container_of(work, typeof(*stress), work); @@ -497,8 +503,8 @@ static void stress_inorder_work(struct work_struct *work) ww_acquire_fini(&ctx); if (err) { - pr_err_once("stress (%s) failed with %d\n", - __func__, err); + pr_err_once("stress (%s; %s) failed with %d\n", + __func__, in_isolation_or_mixed(stress->run_in_isolation), err); break; } } while (!time_after(jiffies, stress->timeout)); @@ -551,8 +557,9 @@ static void stress_reorder_work(struct work_struct *work) ww_mutex_unlock(ln->lock); if (err != -EDEADLK) { - pr_err_once("stress (%s) failed with %d\n", - __func__, err); + pr_err_once("stress (%s; %s) failed with %d\n", + __func__, + in_isolation_or_mixed(stress->run_in_isolation), err); break; } @@ -588,8 +595,8 @@ static void stress_one_work(struct work_struct *work) dummy_load(stress); ww_mutex_unlock(lock); } else { - pr_err_once("stress (%s) failed with %d\n", - __func__, err); + pr_err_once("stress (%s; %s) failed with %d\n", + __func__, in_isolation_or_mixed(stress->run_in_isolation), err); break; } } while (!time_after(jiffies, stress->timeout)); @@ -653,6 +660,7 @@ static int stress(struct ww_class *class, int nlocks, int nthreads, unsigned int stress->locks = locks; stress->nlocks = nlocks; stress->timeout = jiffies + 2*HZ; + stress->run_in_isolation = flags != STRESS_ALL; queue_work(wq, &stress->work); nthreads--; -- 2.43.5