diff options
Diffstat (limited to 'kernel/rcu/rcuperf.c')
| -rw-r--r-- | kernel/rcu/rcuperf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/rcu/rcuperf.c b/kernel/rcu/rcuperf.c index 49c8ed6bd2fd..d80f11d9f8bd 100644 --- a/kernel/rcu/rcuperf.c +++ b/kernel/rcu/rcuperf.c @@ -68,6 +68,7 @@ torture_param(int, nwriters, -1, "Number of RCU updater threads"); torture_param(bool, shutdown, !IS_ENABLED(MODULE), "Shutdown at end of performance tests."); torture_param(bool, verbose, true, "Enable verbose debugging printk()s"); +torture_param(int, writer_holdoff, 0, "Holdoff (us) between GPs, zero to disable"); static char *perf_type = "rcu"; module_param(perf_type, charp, 0444); @@ -447,6 +448,8 @@ rcu_perf_writer(void *arg) } do { + if (writer_holdoff) + udelay(writer_holdoff); wdp = &wdpp[i]; *wdp = ktime_get_mono_fast_ns(); if (gp_async) { |