Commit b8f61420 authored by David Vernet's avatar David Vernet Committed by Tejun Heo
Browse files

scx: Fix maximal BPF selftest prog 



maximal.bpf.c is still dispatching to and consuming from SCX_DSQ_GLOBAL.
Let's have it use its own DSQ to avoid any runtime errors.

Signed-off-by: default avatarDavid Vernet <void@manifault.com>
Tested-by: default avatarAndrea Righi <arighi@nvidia.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent f24d1929

tools/testing/selftests/sched_ext/maximal.bpf.c

+5 −3
Original line number Diff line number Diff line
@@ -12,6 +12,8 @@ 


char _license[] SEC("license") = "GPL";



#define DSQ_ID 0



s32 BPF_STRUCT_OPS(maximal_select_cpu, struct task_struct *p, s32 prev_cpu,

		   u64 wake_flags)

{
@@ -20,7 +22,7 @@ s32 BPF_STRUCT_OPS(maximal_select_cpu, struct task_struct *p, s32 prev_cpu, 


void BPF_STRUCT_OPS(maximal_enqueue, struct task_struct *p, u64 enq_flags)

{

	scx_bpf_dsq_insert(p, SCX_DSQ_GLOBAL, SCX_SLICE_DFL, enq_flags);

	scx_bpf_dsq_insert(p, DSQ_ID, SCX_SLICE_DFL, enq_flags);

}



void BPF_STRUCT_OPS(maximal_dequeue, struct task_struct *p, u64 deq_flags)
@@ -28,7 +30,7 @@ void BPF_STRUCT_OPS(maximal_dequeue, struct task_struct *p, u64 deq_flags) 


void BPF_STRUCT_OPS(maximal_dispatch, s32 cpu, struct task_struct *prev)

{

	scx_bpf_dsq_move_to_local(SCX_DSQ_GLOBAL);

	scx_bpf_dsq_move_to_local(DSQ_ID);

}



void BPF_STRUCT_OPS(maximal_runnable, struct task_struct *p, u64 enq_flags)
@@ -123,7 +125,7 @@ void BPF_STRUCT_OPS(maximal_cgroup_set_weight, struct cgroup *cgrp, u32 weight) 


s32 BPF_STRUCT_OPS_SLEEPABLE(maximal_init)

{

	return 0;

	return scx_bpf_create_dsq(DSQ_ID, -1);

}



void BPF_STRUCT_OPS(maximal_exit, struct scx_exit_info *info)