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. Acked-by: Andrii Nakryiko <and...@kernel.org> Signed-off-by: Jiri Olsa <jo...@kernel.org> --- .../selftests/bpf/prog_tests/uprobe_syscall.c | 12 ++++++++---- .../selftests/bpf/progs/uprobe_syscall_executed.c | 8 ++++++-- 2 files changed, 14 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c index 2b00f16406c8..1cce50b5d18c 100644 --- a/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c +++ b/tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c @@ -252,6 +252,7 @@ static void test_uretprobe_syscall_call(void) ); struct uprobe_syscall_executed *skel; int pid, status, err, go[2], c; + 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); diff --git a/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c b/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c index 0d7f1a7db2e2..8f48976a33aa 100644 --- a/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c +++ b/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c @@ -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; } -- 2.49.0