d633d57902
There's limit of 40 programs tht can be attached to trampoline for one function. Adding test that tries to attach that many plus one extra that needs to fail. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20200123161508.915203-4-jolsa@kernel.org
22 lines
430 B
C
22 lines
430 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
#include <linux/bpf.h>
|
|
#include "bpf_trace_helpers.h"
|
|
|
|
struct task_struct;
|
|
|
|
SEC("fentry/__set_task_comm")
|
|
int BPF_PROG(prog1, struct task_struct *tsk, const char *buf, bool exec)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
SEC("fexit/__set_task_comm")
|
|
int BPF_PROG(prog2, struct task_struct *tsk, const char *buf, bool exec)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|