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This test was failing as a 32bit test for some arm architectures where cpu 0 does not support 32bit applications. Reviewed-by: Cyril Hrubis Signed-off-by: Edward Liaw --- .../kernel/sched/cfs-scheduler/starvation.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/testcases/kernel/sched/cfs-scheduler/starvation.c b/testcases/kernel/sched/cfs-scheduler/starvation.c index c845af849..9ac388fdc 100644 --- a/testcases/kernel/sched/cfs-scheduler/starvation.c +++ b/testcases/kernel/sched/cfs-scheduler/starvation.c @@ -49,10 +49,26 @@ again: static void setup(void) { cpu_set_t mask; + int cpu = 0; + long ncpus = tst_ncpus_conf(); CPU_ZERO(&mask); - CPU_SET(0, &mask); + /* Restrict test to a single cpu */ + if (sched_getaffinity(0, sizeof(mask), &mask) < 0) + tst_brk(TBROK | TERRNO, "sched_getaffinity() failed"); + + if (CPU_COUNT(&mask) == 0) + tst_brk(TBROK, "No cpus available"); + + while (CPU_ISSET(cpu, &mask) == 0 && cpu < ncpus) + cpu++; + + CPU_ZERO(&mask); + + CPU_SET(cpu, &mask); + + tst_res(TINFO, "Setting affinity to CPU %d", cpu); if (sched_setaffinity(0, sizeof(mask), &mask) < 0) tst_brk(TBROK | TERRNO, "sched_setaffinity() failed"); -- 2.45.2.627.g7a2c4fd464-goog -- Mailing list info: https://lists.linux.it/listinfo/ltp