Mark feather-trace buffers as "disturbed" on soft IRQs

We don't want outliers due to soft IRQs, so let them mark ongoing
traces as "dirty" as well.

1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/softirq.c b/kernel/softirq.c
index fca82c32042b..2f2df08df395 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -211,6 +211,9 @@ asmlinkage void __do_softirq(void)
         int max_restart = MAX_SOFTIRQ_RESTART;
         int cpu;
 
+        /* Mark Feather-Trace samples as "disturbed". */
+        ft_irq_fired();
+
         pending = local_softirq_pending();
         account_system_vtime(current);