On 2024/11/7 19:52, Viktor Malik wrote:
The timer_lockup test needs 2 CPUs to work, on single-CPU nodes it fails
to set thread affinity to CPU 1 since it doesn't exist:
# ./test_progs -t test_lockup
nit: s/test_lockup/timer_lockup
test_timer_lockup:PASS:timer_lockup__open_and_load 0 nsec
test_timer_lockup:PASS:pthread_create thread1 0 nsec
test_timer_lockup:PASS:pthread_create thread2 0 nsec
timer_lockup_thread:PASS:cpu affinity 0 nsec
timer_lockup_thread:FAIL:cpu affinity unexpected error: 22 (errno 0)
test_timer_lockup:PASS: 0 nsec
#406 timer_lockup:FAIL
Skip the test if only 1 CPU is available.
Signed-off-by: Viktor Malik <vmalik@xxxxxxxxxx>
Fixes: 50bd5a0c658d1 ("selftests/bpf: Add timer lockup selftest")
---
Can reproduce this issue and this patch solves it.
Tested-by: Philo Lu <lulie@xxxxxxxxxxxxxxxxx>
Cheers.
--
Philo
