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selftests/bpf: Rename uprobe_syscall_executed prog to test_uretprobe_multi

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Renaming uprobe_syscall_executed prog to test_uretprobe_multi
to fit properly in the following changes that add more programs.

Plus adding pid filter and increasing executed variable.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20250720112133.244369-14-jolsa@kernel.org
This commit is contained in:
Jiri Olsa 2025-07-20 13:21:23 +02:00 committed by Peter Zijlstra
parent 4e7005223e
commit 7932c4cf57
2 changed files with 14 additions and 6 deletions
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12
tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c
View File

@ -252,6 +252,7 @@ static void test_uretprobe_syscall_call(void)
);
struct uprobe_syscall_executed *skel;
int pid, status, err, go[2], c = 0;
struct bpf_link *link;
if (!ASSERT_OK(pipe(go), "pipe"))
return;
@ -277,11 +278,14 @@ static void test_uretprobe_syscall_call(void)
_exit(0);
}
skel->links.test = bpf_program__attach_uprobe_multi(skel->progs.test, pid,
"/proc/self/exe",
"uretprobe_syscall_call", &opts);
if (!ASSERT_OK_PTR(skel->links.test, "bpf_program__attach_uprobe_multi"))
skel->bss->pid = pid;
link = bpf_program__attach_uprobe_multi(skel->progs.test_uretprobe_multi,
pid, "/proc/self/exe",
"uretprobe_syscall_call", &opts);
if (!ASSERT_OK_PTR(link, "bpf_program__attach_uprobe_multi"))
goto cleanup;
skel->links.test_uretprobe_multi = link;
/* kick the child */
write(go[1], &c, 1);

8
tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c
View File

@ -8,10 +8,14 @@ struct pt_regs regs;
char _license[] SEC("license") = "GPL";
int executed = 0;
int pid;
SEC("uretprobe.multi")
int test(struct pt_regs *regs)
int test_uretprobe_multi(struct pt_regs *ctx)
{
executed = 1;
if (bpf_get_current_pid_tgid() >> 32 != pid)
return 0;
executed++;
return 0;
}