Joel Fernandes dd6a37e8fa selftests/sched_ext: Add test for DL server total_bw consistency ... Add a new kselftest to verify that the total_bw value in /sys/kernel/debug/sched/debug remains consistent across all CPUs under different sched_ext BPF program states: 1. Before a BPF scheduler is loaded 2. While a BPF scheduler is loaded and active 3. After a BPF scheduler is unloaded The test runs CPU stress threads to ensure DL server bandwidth values stabilize before checking consistency. This helps catch potential issues with DL server bandwidth accounting during sched_ext transitions. Co-developed-by: Andrea Righi <arighi@nvidia.com> Signed-off-by: Andrea Righi <arighi@nvidia.com> Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Christian Loehle <christian.loehle@arm.com> Link: https://patch.msgid.link/20260126100050.3854740-8-arighi@nvidia.com		2026-02-03 12:04:18 +01:00
..
.gitignore
allowed_cpus.bpf.c	selftests/sched_ext: Add test for scx_bpf_select_cpu_and() via test_run	2025-05-20 10:24:17 -10:00
allowed_cpus.c	selftests/sched_ext: Add test for scx_bpf_select_cpu_and() via test_run	2025-05-20 10:24:17 -10:00
config	sched/debug: Remove CONFIG_SCHED_DEBUG from self-test config files	2025-03-19 22:23:24 +01:00
create_dsq.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
create_dsq.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
ddsp_bogus_dsq_fail.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
ddsp_bogus_dsq_fail.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
ddsp_vtimelocal_fail.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
ddsp_vtimelocal_fail.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
dsp_local_on.bpf.c	sched_ext: selftests/dsp_local_on: Fix selftest on UP systems	2025-01-27 09:00:09 -10:00
dsp_local_on.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
enq_last_no_enq_fails.bpf.c	sched_ext: Fix enq_last_no_enq_fails selftest	2024-10-25 12:20:29 -10:00
enq_last_no_enq_fails.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
enq_select_cpu.bpf.c	selftests/sched_ext: Update test enq_select_cpu_fails	2025-05-21 07:35:58 -10:00
enq_select_cpu.c	selftests/sched_ext: Update test enq_select_cpu_fails	2025-05-21 07:35:58 -10:00
exit.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
exit.c	selftests/sched_ext: Fix exit selftest hang on UP	2025-07-03 06:44:13 -10:00
exit_test.h
hotplug.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
hotplug.c	selftests/sched_ext: Remove duplicate sched.h header	2025-08-11 08:24:08 -10:00
hotplug_test.h
init_enable_count.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
init_enable_count.c	sched_ext: selftests: Fix grammar in tests description	2025-02-13 06:46:22 -10:00
Makefile	selftests/sched_ext: Add test for DL server total_bw consistency	2026-02-03 12:04:18 +01:00
maximal.bpf.c	sched_ext: Add support for cgroup bandwidth control interface	2025-06-20 17:03:51 -10:00
maximal.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
maybe_null.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
maybe_null.c	sched_ext: selftests: Fix grammar in tests description	2025-02-13 06:46:22 -10:00
maybe_null_fail_dsp.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
maybe_null_fail_yld.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
minimal.bpf.c
minimal.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
numa.bpf.c	selftests/sched_ext: Add NUMA-aware scheduler test	2025-02-26 08:49:02 -10:00
numa.c	selftests/sched_ext: Add NUMA-aware scheduler test	2025-02-26 08:49:02 -10:00
peek_dsq.bpf.c	sched_ext: Add a selftest for scx_bpf_dsq_peek	2025-10-15 06:46:36 -10:00
peek_dsq.c	sched_ext: Add a selftest for scx_bpf_dsq_peek	2025-10-15 06:46:36 -10:00
prog_run.bpf.c	sched_ext: Fix function pointer type mismatches in BPF selftests	2024-10-24 06:56:17 -10:00
prog_run.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
reload_loop.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
rt_stall.bpf.c	selftests/sched_ext: Add test for sched_ext dl_server	2026-02-03 12:04:18 +01:00
rt_stall.c	selftests/sched_ext: Add test for sched_ext dl_server	2026-02-03 12:04:18 +01:00
runner.c	selftests/sched_ext: flush stdout before test to avoid log spam	2025-12-12 08:18:32 -10:00
scx_test.h
select_cpu_dfl.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
select_cpu_dfl.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
select_cpu_dfl_nodispatch.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
select_cpu_dfl_nodispatch.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
select_cpu_dispatch.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
select_cpu_dispatch.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
select_cpu_dispatch_bad_dsq.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
select_cpu_dispatch_bad_dsq.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
select_cpu_dispatch_dbl_dsp.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
select_cpu_dispatch_dbl_dsp.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
select_cpu_vtime.bpf.c	selftests/sched_ext: fix build after renames in sched_ext API	2024-12-04 09:46:39 -10:00
select_cpu_vtime.c	selftests/sched_ext: Fix enum resolution	2025-01-24 08:09:52 -10:00
test_example.c
total_bw.c	selftests/sched_ext: Add test for DL server total_bw consistency	2026-02-03 12:04:18 +01:00
util.c
util.h