From c66900664e5a0ae5a9894777d8e4b0f2300af95a Mon Sep 17 00:00:00 2001
From: Ankit Jain <ankitja@vmware.com>
Date: Thu, 21 Oct 2021 09:27:53 +0000
Subject: [PATCH] realtime: Modify hung_task detection param

- For realtime system, we wanted to capture
  stack trace if a task remain in D-state for
  30 seconds or more for debugging purpose.
- To log infinite number of times, set
  hung_task_warnings to -1

Signed-off-by: Roye Eshed <roye.eshed@broadcom.com>
Signed-off-by: Ankit Jain <ankitja@vmware.com>
Signed-off-by: Keerthana K <keerthanak@vmware.com>
---
 profiles/realtime/tuned.conf | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tuned.conf b/tuned.conf
index 218402887..f44093f41 100644
--- a/profiles/network-latency/tuned.conf
+++ b/profiles/network-latency/tuned.conf
@@ -14,7 +14,8 @@ net.core.busy_read=50
 net.core.busy_poll=50
 net.ipv4.tcp_fastopen=3
 kernel.numa_balancing=0
-kernel.hung_task_timeout_secs = 600
+kernel.hung_task_timeout_secs = 30
+kernel.hung_task_warnings = -1
 kernel.nmi_watchdog = 0
 vm.stat_interval = 10
 kernel.timer_migration = 0
-- 
2.23.1