From 1ae3a8f858a6eb6a75a78fb8f35c98fa870dfb87 Mon Sep 17 00:00:00 2001
From: Bjoern Brandenburg <bbb@mpi-sws.org>
Date: Mon, 20 Aug 2012 16:54:53 +0200
Subject: 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.
---
 kernel/softirq.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'kernel/softirq.c')

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);
 
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