From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f174.google.com (mail-pl1-f174.google.com [209.85.214.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 204F827602C for ; Sun, 1 Feb 2026 02:54:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.174 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769914464; cv=none; b=BeVWSBbm6bFskM05G6kujfrFSJ+8WqjnPv6jDsUKNyeni0QcaE6IJ5gvDCNJbAhifv2pUR0B89plgmEwWnUhGs6PXy7GaGNHIdTg9vMSSjl5MqskNcv7XiLc0ADyJUiLjm0qYmS+KvaZ4V/biQQsfBlP/KD7D+zlmIg3CnA7VCU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769914464; c=relaxed/simple; bh=irYoqezMG3nHHZhqm8E35ZWgl3DD427/GSypk6aPt8M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SFXhfzBoqqZuBjIA+8TzyTTVePNUz7flsipG95xrphn+AOvWN0V64RF+KYrEEK2GXXxkawiMUtLM1/qZIGu3E17fKjQ24Nwh3ELocD0NG6Vr4mQfcmxeZ3SBH+iFCG4hLJQIIHzTdCRNfnBiB++l+63cAS4Ul58JycwA254nhE4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=DfqAPt73; arc=none smtp.client-ip=209.85.214.174 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="DfqAPt73" Received: by mail-pl1-f174.google.com with SMTP id d9443c01a7336-2a7bced39cfso34634555ad.1 for ; Sat, 31 Jan 2026 18:54:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1769914462; x=1770519262; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Q0Pz5GqwDXqmOHCGS8xfkATZgJRf8Ib+p3Hxfq8PNTg=; b=DfqAPt73EUfPLKXC1msaVE//6UtpIgn7K7mEqMvaOewzBA/HW4ZceSKeAeYlA1sCr+ OOeYUAW0tFOoZCQT2jpcBU2dt1xz6Yu482rIVcRMxutGylOkT+/40lGCzQX9gSZcc8yZ NILhlN45OShK2IQCwV0F9QZFEOEvXsKs/e7Q2EiuQgtYUScifEBUKWiSy1chsO0eMZjz WL4H+eRnxMDBKZ8S0aPkZ6XZWG7lBpm4IS55pHX7ORfs+ls0h6frvc1uQKN5eMiCJx0E hwdGAQfSFpy91tq0ffU0Ovycwb4p5rCUgCieniqtCWAVHu24m1IpMDx+WAIjjsCItccr KeDg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769914462; x=1770519262; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Q0Pz5GqwDXqmOHCGS8xfkATZgJRf8Ib+p3Hxfq8PNTg=; b=Dp2uj+eLiHth1PIlr6TFERki+df9aSCA46PV6qQpxoe3bq+2Tqor8TojPv+RNf0nlI uN+OygEp9CIcLA7t/NsugAXvKgGxd7oFKA5kMOM4qZh8Oanwsmn1VEaCWAbIIiRAzI4g oYw74AMPJnUMoHfIXt/m3QIhsEIdcB83LEag+TGUkcdSGXTcKRiN+N2/4WZm93zHdN+u lFmRdtDUDt38MOVeGKJKTJUCoPA+1icaTlOhCR7UapSzQh/dENbgqTf4CHw5vVtQ45iX ZGm7Ah21D2twc2X+DX6xSPUQSyWH/TUNd+opk58oBOFadcSU071VldGQKdK8KuEVbsuZ uKAA== X-Gm-Message-State: AOJu0YyMKOQpUkxRayTwod9/P2U4g3Ua5KFXDTjKJibhpshgxYwr51sw h/wpEibOEGqsC2clBQyR5N7ngSqfxkODtOEkwxvA/81FaNrYnVnuXB5lU7qYww== X-Gm-Gg: AZuq6aKpgKf1k9g9otV2CfvNqqj2RLVAG/KSYXtFRLxj1KcKcJDbpG+2PyqrPpRVxS8 uqEqvjG/TXQRjjxXeNbPo9uZ2oatkQmTC7G2wOcdgEsAeQO8ApgrrSWaWEl71eoY4XbkvvOzwgx hywNB3NBOlp8qe8Z1zVOKMiVWFL8a7PD1Nmc557CgJr5p31nMcaaVAmlM0IMOYxlXCcw3wJzAWd iD8eQwMxrwwVauxMvNJV2KH9UmEYLR3WYBM0T1GS1wxlHSrws/aCepGENfyAG+KYj1m9w+r/gYv XcCkmzb+UkebQ7l7vCchoqALjCLZhKKTVBQbx323/NXx/0ixcoAiqSWLqARDuvJ8eqPIvpIMlMu 9qeiVBDfCUpCmEOBC9iePT4iZ6efO38zISLHvWemvDVBtRVg0Ak+lQdQtrZJR1stiK/uurAjuYX G/kI6lZDSHan66D6R4gUtitCVhbZUNC5sQkH4lT8XXzQwb7rTjtREi7BOX0h0mcIqyK5oR4wQSr tTMEMu++LQWlhG1GsqWnPSjX51KOdbD9/Eizowdnud+km6XWxEyS7D0HRZJ X-Received: by 2002:a17:903:244f:b0:2a5:8c95:d823 with SMTP id d9443c01a7336-2a8d96a6a6bmr84399325ad.10.1769914462044; Sat, 31 Jan 2026 18:54:22 -0800 (PST) Received: from localhost.localdomain ([2601:600:837f:c6b0:18cf:ab6c:cac0:3007]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a88b3eef44sm113963045ad.11.2026.01.31.18.54.21 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Sat, 31 Jan 2026 18:54:21 -0800 (PST) From: Alexei Starovoitov To: bpf@vger.kernel.org Cc: daniel@iogearbox.net, andrii@kernel.org, martin.lau@kernel.org, memxor@gmail.com, mykyta.yatsenko5@gmail.com, kernel-team@fb.com Subject: [PATCH v9 bpf-next 6/9] selftests/bpf: Verify bpf_timer_cancel_async works Date: Sat, 31 Jan 2026 18:54:00 -0800 Message-ID: <20260201025403.66625-7-alexei.starovoitov@gmail.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260201025403.66625-1-alexei.starovoitov@gmail.com> References: <20260201025403.66625-1-alexei.starovoitov@gmail.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Mykyta Yatsenko Add test that verifies that bpf_timer_cancel_async works: can cancel callback successfully. Signed-off-by: Mykyta Yatsenko Signed-off-by: Alexei Starovoitov --- .../testing/selftests/bpf/prog_tests/timer.c | 25 +++++++++++++++++++ tools/testing/selftests/bpf/progs/timer.c | 23 +++++++++++++++++ 2 files changed, 48 insertions(+) diff --git a/tools/testing/selftests/bpf/prog_tests/timer.c b/tools/testing/selftests/bpf/prog_tests/timer.c index a157a2a699e6..2b932d4dfd43 100644 --- a/tools/testing/selftests/bpf/prog_tests/timer.c +++ b/tools/testing/selftests/bpf/prog_tests/timer.c @@ -99,6 +99,26 @@ static int timer(struct timer *timer_skel) return 0; } +static int timer_cancel_async(struct timer *timer_skel) +{ + int err, prog_fd; + LIBBPF_OPTS(bpf_test_run_opts, topts); + + prog_fd = bpf_program__fd(timer_skel->progs.test_async_cancel_succeed); + err = bpf_prog_test_run_opts(prog_fd, &topts); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(topts.retval, 0, "test_run"); + + usleep(500); + /* check that there were no errors in timer execution */ + ASSERT_EQ(timer_skel->bss->err, 0, "err"); + + /* check that code paths completed */ + ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok"); + + return 0; +} + static void test_timer(int (*timer_test_fn)(struct timer *timer_skel)) { struct timer *timer_skel = NULL; @@ -134,6 +154,11 @@ void serial_test_timer_stress_async_cancel(void) test_timer(timer_stress_async_cancel); } +void serial_test_timer_async_cancel(void) +{ + test_timer(timer_cancel_async); +} + void test_timer_interrupt(void) { struct timer_interrupt *skel = NULL; diff --git a/tools/testing/selftests/bpf/progs/timer.c b/tools/testing/selftests/bpf/progs/timer.c index a81413514e4b..4b4ca781e7cd 100644 --- a/tools/testing/selftests/bpf/progs/timer.c +++ b/tools/testing/selftests/bpf/progs/timer.c @@ -169,6 +169,29 @@ int BPF_PROG2(test1, int, a) return 0; } +static int timer_error(void *map, int *key, struct bpf_timer *timer) +{ + err = 42; + return 0; +} + +SEC("syscall") +int test_async_cancel_succeed(void *ctx) +{ + struct bpf_timer *arr_timer; + int array_key = ARRAY; + + arr_timer = bpf_map_lookup_elem(&array, &array_key); + if (!arr_timer) + return 0; + bpf_timer_init(arr_timer, &array, CLOCK_MONOTONIC); + bpf_timer_set_callback(arr_timer, timer_error); + bpf_timer_start(arr_timer, 100000 /* 100us */, 0); + bpf_timer_cancel_async(arr_timer); + ok = 7; + return 0; +} + /* callback for prealloc and non-prealloca hashtab timers */ static int timer_cb2(void *map, int *key, struct hmap_elem *val) { -- 2.47.3