kernel/watchdog: Prevent false positives with turbo modes

[mirror_ubuntu-artful-kernel.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 98fe715522e8d1834083e608d32a78ed0600deb9..c617b9d1d6cb687c93fb0c65e8d05424f5dd3c43 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -797,6 +797,13 @@ config HARDLOCKUP_DETECTOR_PERF
        bool
        select SOFTLOCKUP_DETECTOR
 
+#
+# Enables a timestamp based low pass filter to compensate for perf based
+# hard lockup detection which runs too fast due to turbo modes.
+#
+config HARDLOCKUP_CHECK_TIMESTAMP
+       bool
+
 #
 # arch/ can define HAVE_HARDLOCKUP_DETECTOR_ARCH to provide their own hard
 # lockup detector rather than the perf based detector.