diff options
| -rw-r--r-- | tools/testing/selftests/bpf/test_kmods/bpf_test_rqspinlock.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/test_kmods/bpf_test_rqspinlock.c b/tools/testing/selftests/bpf/test_kmods/bpf_test_rqspinlock.c index 4ea7ec420e4e..e8dd3fbc6ea5 100644 --- a/tools/testing/selftests/bpf/test_kmods/bpf_test_rqspinlock.c +++ b/tools/testing/selftests/bpf/test_kmods/bpf_test_rqspinlock.c @@ -51,6 +51,16 @@ module_param(test_mode, int, 0644); MODULE_PARM_DESC(test_mode, "rqspinlock test mode: 0 = AA, 1 = ABBA, 2 = ABBCCA"); +static int normal_delay = 20; +module_param(normal_delay, int, 0644); +MODULE_PARM_DESC(normal_delay, + "rqspinlock critical section length for normal context (20ms default)"); + +static int nmi_delay = 10; +module_param(nmi_delay, int, 0644); +MODULE_PARM_DESC(nmi_delay, + "rqspinlock critical section length for NMI context (10ms default)"); + static struct perf_event **rqsl_evts; static int rqsl_nevts; @@ -138,7 +148,7 @@ static int rqspinlock_worker_fn(void *arg) start_ns = ktime_get_mono_fast_ns(); ret = raw_res_spin_lock_irqsave(worker_lock, flags); rqsl_record_lock_time(ktime_get_mono_fast_ns() - start_ns, false); - mdelay(20); + mdelay(normal_delay); if (!ret) raw_res_spin_unlock_irqrestore(worker_lock, flags); cpu_relax(); @@ -182,7 +192,7 @@ static void nmi_cb(struct perf_event *event, struct perf_sample_data *data, ret = raw_res_spin_lock_irqsave(locks.nmi_lock, flags); rqsl_record_lock_time(ktime_get_mono_fast_ns() - start_ns, true); - mdelay(10); + mdelay(nmi_delay); if (!ret) raw_res_spin_unlock_irqrestore(locks.nmi_lock, flags); |