linux-kernel - [PATCH 2/2] selftests: kvm: Reduce verbosity of "Random seed" messages

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Date: Thu, 20 Jun 2024 02:21:28 +0800
From: Dapeng Mi <dapeng1.mi@...ux.intel.com>
To: Sean Christopherson <seanjc@...gle.com>,
	Paolo Bonzini <pbonzini@...hat.com>
Cc: kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jim Mattson <jmattson@...gle.com>,
	Mingwei Zhang <mizhang@...gle.com>,
	Xiong Zhang <xiong.y.zhang@...el.com>,
	Zhenyu Wang <zhenyuw@...ux.intel.com>,
	Like Xu <like.xu.linux@...il.com>,
	Jinrong Liang <cloudliang@...cent.com>,
	Dapeng Mi <dapeng1.mi@...el.com>,
	Dapeng Mi <dapeng1.mi@...ux.intel.com>,
	Yi Lai <yi1.lai@...el.com>
Subject: [PATCH 2/2] selftests: kvm: Reduce verbosity of "Random seed" messages

Huge number of "Random seed:" messages are printed when running
pmu_counters_test. It leads to the regular test output is totally
flooded by these over-verbose messages.

Downgrade "Random seed" message printing level to debug and prevent it
to be printed in normal case.

Reported-by: Yi Lai <yi1.lai@...el.com>
Signed-off-by: Dapeng Mi <dapeng1.mi@...ux.intel.com>
---
 tools/testing/selftests/kvm/lib/kvm_util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index ad00e4761886..8568c7d619c3 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -434,7 +434,7 @@ struct kvm_vm *__vm_create(struct vm_shape shape, uint32_t nr_runnable_vcpus,
 	slot0 = memslot2region(vm, 0);
 	ucall_init(vm, slot0->region.guest_phys_addr + slot0->region.memory_size);
 
-	pr_info("Random seed: 0x%x\n", guest_random_seed);
+	pr_debug("Random seed: 0x%x\n", guest_random_seed);
 	guest_rng = new_guest_random_state(guest_random_seed);
 	sync_global_to_guest(vm, guest_rng);
 
-- 
2.34.1