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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/testing/selftests/bpf/progs/test_overhead.c | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_overhead.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/test_overhead.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_overhead.c b/tools/testing/selftests/bpf/progs/test_overhead.c new file mode 100644 index 000000000..abb7344b5 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/test_overhead.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2019 Facebook */ +#include <stdbool.h> +#include <stddef.h> +#include <linux/bpf.h> +#include <linux/ptrace.h> +#include <bpf/bpf_helpers.h> +#include <bpf/bpf_tracing.h> + +struct task_struct; + +SEC("kprobe/__set_task_comm") +int BPF_KPROBE(prog1, struct task_struct *tsk, const char *buf, bool exec) +{ + return !tsk; +} + +SEC("kretprobe/__set_task_comm") +int BPF_KRETPROBE(prog2, int ret) +{ + return ret; +} + +SEC("raw_tp/task_rename") +int prog3(struct bpf_raw_tracepoint_args *ctx) +{ + return !ctx->args[0]; +} + +SEC("fentry/__set_task_comm") +int BPF_PROG(prog4, struct task_struct *tsk, const char *buf, bool exec) +{ + return 0; +} + +SEC("fexit/__set_task_comm") +int BPF_PROG(prog5, struct task_struct *tsk, const char *buf, bool exec) +{ + return 0; +} + +char _license[] SEC("license") = "GPL"; |