From 5edd45bbcfca403be98ef18a04f0334402e5ff49 Mon Sep 17 00:00:00 2001
From: Artem Savkov <asavkov@redhat.com>
Date: Wed, 20 May 2020 14:54:41 +0200
Subject: [PATCH] Integration tests: enable dynamic debug in
 klp_try_switch_task()

Enable dynamic debug prints in klp_try_switch_task() function before
going through with load tests and switch back to a previous state
afterwards.

Signed-off-by: Artem Savkov <asavkov@redhat.com>
---
 test/integration/kpatch-test | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/test/integration/kpatch-test b/test/integration/kpatch-test
index a781eee..4be001c 100755
--- a/test/integration/kpatch-test
+++ b/test/integration/kpatch-test
@@ -49,6 +49,7 @@ unset CCACHE_HASHDIR
 KPATCHBUILD="$ROOTDIR"/kpatch-build/kpatch-build
 ERROR=0
 LOG=test.log
+DYNDEBUG_CONTROL=/sys/kernel/debug/dynamic_debug/control
 rm -f *.log
 
 PATCHDIR="${PATCHDIR:-$PWD}"
@@ -294,6 +295,9 @@ build_combined_module
 
 unload_all
 
+prev_dyndebug=$(grep klp_try_switch_task "${DYNDEBUG_CONTROL}" | awk '{print $3;}')
+echo "func klp_try_switch_task +p" >"${DYNDEBUG_CONTROL}" 2>/dev/null
+
 if [[ $QUICK != 1 ]]; then
 	for file in "${PATCH_LIST[@]}"; do
 		run_load_test $file
@@ -314,6 +318,8 @@ fi
 
 unload_all
 
+echo "func klp_try_switch_task ${prev_dyndebug}" >"${DYNDEBUG_CONTROL}" 2>/dev/null
+
 if dmesg | grep -q "Call Trace"; then
 	dmesg > dmesg.log
 	error "kernel error detected in printk buffer"