Commit 1b3bc648 authored by JP Kobryn's avatar JP Kobryn Committed by Alexei Starovoitov
Browse files

bpf/selftests: coverage for tp and perf event progs using kfuncs 



This coverage ensures that kfuncs are allowed within tracepoint and perf
event programs.

Signed-off-by: default avatarJP Kobryn <inwardvessel@gmail.com>
Link: https://lore.kernel.org/r/20240905223812.141857-3-inwardvessel@gmail.com


Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent bc638d8c

tools/testing/selftests/bpf/progs/verifier_kfunc_prog_types.c

+48 −0
Original line number Diff line number Diff line
@@ -47,6 +47,22 @@ int BPF_PROG(task_kfunc_syscall) 
	return 0;

}



SEC("tracepoint")

__success

int BPF_PROG(task_kfunc_tracepoint)

{

	task_kfunc_load_test();

	return 0;

}



SEC("perf_event")

__success

int BPF_PROG(task_kfunc_perf_event)

{

	task_kfunc_load_test();

	return 0;

}



/*****************

 * cgroup kfuncs *

 *****************/
@@ -85,6 +101,22 @@ int BPF_PROG(cgrp_kfunc_syscall) 
	return 0;

}



SEC("tracepoint")

__success

int BPF_PROG(cgrp_kfunc_tracepoint)

{

	cgrp_kfunc_load_test();

	return 0;

}



SEC("perf_event")

__success

int BPF_PROG(cgrp_kfunc_perf_event)

{

	cgrp_kfunc_load_test();

	return 0;

}



/******************

 * cpumask kfuncs *

 ******************/
@@ -120,3 +152,19 @@ int BPF_PROG(cpumask_kfunc_syscall) 
	cpumask_kfunc_load_test();

	return 0;

}



SEC("tracepoint")

__success

int BPF_PROG(cpumask_kfunc_tracepoint)

{

	cpumask_kfunc_load_test();

	return 0;

}



SEC("perf_event")

__success

int BPF_PROG(cpumask_kfunc_perf_event)

{

	cpumask_kfunc_load_test();

	return 0;

}