linux-kernel - [tip: perf/core] selftests/bpf: Rename uprobe_syscall_executed prog to test_uretprobe

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Message-ID: <175611748780.1420.16967706840831656025.tip-bot2@tip-bot2>
Date: Mon, 25 Aug 2025 10:24:47 -0000
From: "tip-bot2 for Jiri Olsa" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Jiri Olsa <jolsa@...nel.org>,
 "Peter Zijlstra (Intel)" <peterz@...radead.org>,
 Andrii Nakryiko <andrii@...nel.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: perf/core] selftests/bpf: Rename uprobe_syscall_executed prog
 to test_uretprobe_multi

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     7932c4cf577187dec42ddfba0aba26434cecab0c
Gitweb:        https://git.kernel.org/tip/7932c4cf577187dec42ddfba0aba26434cecab0c
Author:        Jiri Olsa <jolsa@...nel.org>
AuthorDate:    Sun, 20 Jul 2025 13:21:23 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Thu, 21 Aug 2025 20:09:23 +02:00

selftests/bpf: Rename uprobe_syscall_executed prog to test_uretprobe_multi

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@...nel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Andrii Nakryiko <andrii@...nel.org>
Link: https://lore.kernel.org/r/20250720112133.244369-14-jolsa@kernel.org
---
 tools/testing/selftests/bpf/prog_tests/uprobe_syscall.c     | 12 ++++---
 tools/testing/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 a8f00ae..6d58a44 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 = 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);
diff --git a/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c b/tools/testing/selftests/bpf/progs/uprobe_syscall_executed.c
index 0d7f1a7..8f48976 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;
 }