From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A892CBA34 for ; Tue, 7 Mar 2023 17:30:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7D11C433EF; Tue, 7 Mar 2023 17:30:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678210214; bh=dxFSj10K1gAdGhzhQE+cReJR7o4SDTExojXack2sgcc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HXEaqvf03OH2uPj+tPGeha0503KVIR7SdBAj8nZKWpsvOcw4t35pyPgTsN0Kv+GET UbHCz+DK6HxXEOGuoZbtLOTDzrhRuYIo2TaO13RWBIsRQ8ItMjJehv3l+UKzmaRVko l+CRTZZ0hJ3BDR0V2goGVrl0WwCKR0+eIndElVw4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Athira Rajeev , Andi Kleen , Disha Goel , Ian Rogers , James Clark , Jiri Olsa , Kajol Jain , Madhavan Srinivasan , Michael Ellerman , Nageswara R Sastry , Namhyung Kim , Wang Nan , linuxppc-dev@lists.ozlabs.org, Arnaldo Carvalho de Melo , Sasha Levin Subject: [PATCH 6.2 0470/1001] perf test bpf: Skip test if kernel-debuginfo is not present Date: Tue, 7 Mar 2023 17:54:02 +0100 Message-Id: <20230307170041.792183851@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Athira Rajeev [ Upstream commit 34266f904abd45731bdade2e92d0536c092ee9bc ] Perf BPF filter test fails in environment where "kernel-debuginfo" is not installed. Test failure logs: <<>> 42: BPF filter : 42.1: Basic BPF filtering : Ok 42.2: BPF pinning : Ok 42.3: BPF prologue generation : FAILED! <<>> Enabling verbose option provided debug logs, which says debuginfo needs to be installed. Snippet of verbose logs: <<>> 42.3: BPF prologue generation : --- start --- test child forked, pid 28218 <<>> Rebuild with CONFIG_DEBUG_INFO=y, or install an appropriate debuginfo package. bpf_probe: failed to convert perf probe events Failed to add events selected by BPF test child finished with -1 ---- end ---- BPF filter subtest 3: FAILED! <<>> Here the subtest "BPF prologue generation" failed and logs shows debuginfo is needed. After installing kernel-debuginfo package, testcase passes. The "BPF prologue generation" subtest failed because, the do_test() returns TEST_FAIL without checking the error type returned by parse_events_load_bpf_obj(). parse_events_load_bpf_obj() can also return error of type -ENODATA incase kernel-debuginfo package is not installed. Fix this by adding check for -ENODATA error. Test result after the patch changes: Test failure logs: <<>> 42: BPF filter : 42.1: Basic BPF filtering : Ok 42.2: BPF pinning : Ok 42.3: BPF prologue generation : Skip (clang/debuginfo isn't installed or environment missing BPF support) <<>> Fixes: ba1fae431e74bb42 ("perf test: Add 'perf test BPF'") Signed-off-by: Athira Rajeev Cc: Andi Kleen Cc: Disha Goel Cc: Ian Rogers Cc: James Clark Cc: Jiri Olsa Cc: Kajol Jain Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Nageswara R Sastry Cc: Namhyung Kim Cc: Wang Nan Cc: linuxppc-dev@lists.ozlabs.org Link: http://lore.kernel.org/linux-perf-users/Y7bIk77mdE4j8Jyi@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/tests/bpf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 17c023823713d..6a4235a9cf57e 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -126,6 +126,10 @@ static int do_test(struct bpf_object *obj, int (*func)(void), err = parse_events_load_bpf_obj(&parse_state, &parse_state.list, obj, NULL); parse_events_error__exit(&parse_error); + if (err == -ENODATA) { + pr_debug("Failed to add events selected by BPF, debuginfo package not installed\n"); + return TEST_SKIP; + } if (err || list_empty(&parse_state.list)) { pr_debug("Failed to add events selected by BPF\n"); return TEST_FAIL; @@ -368,7 +372,7 @@ static struct test_case bpf_tests[] = { "clang isn't installed or environment missing BPF support"), #ifdef HAVE_BPF_PROLOGUE TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, - "clang isn't installed or environment missing BPF support"), + "clang/debuginfo isn't installed or environment missing BPF support"), #else TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, "not compiled in"), #endif -- 2.39.2 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 31CBDC678D4 for ; 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Wed, 8 Mar 2023 04:30:16 +1100 (AEDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id AE6586150F; Tue, 7 Mar 2023 17:30:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E7D11C433EF; Tue, 7 Mar 2023 17:30:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678210214; bh=dxFSj10K1gAdGhzhQE+cReJR7o4SDTExojXack2sgcc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HXEaqvf03OH2uPj+tPGeha0503KVIR7SdBAj8nZKWpsvOcw4t35pyPgTsN0Kv+GET UbHCz+DK6HxXEOGuoZbtLOTDzrhRuYIo2TaO13RWBIsRQ8ItMjJehv3l+UKzmaRVko l+CRTZZ0hJ3BDR0V2goGVrl0WwCKR0+eIndElVw4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Subject: [PATCH 6.2 0470/1001] perf test bpf: Skip test if kernel-debuginfo is not present Date: Tue, 7 Mar 2023 17:54:02 +0100 Message-Id: <20230307170041.792183851@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sasha Levin , Ian Rogers , Andi Kleen , Nageswara R Sastry , Greg Kroah-Hartman , linuxppc-dev@lists.ozlabs.org, patches@lists.linux.dev, Arnaldo Carvalho de Melo , Athira Rajeev , James Clark , Jiri Olsa , Kajol Jain , Namhyung Kim , Wang Nan , Disha Goel , Madhavan Srinivasan Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Athira Rajeev [ Upstream commit 34266f904abd45731bdade2e92d0536c092ee9bc ] Perf BPF filter test fails in environment where "kernel-debuginfo" is not installed. Test failure logs: <<>> 42: BPF filter : 42.1: Basic BPF filtering : Ok 42.2: BPF pinning : Ok 42.3: BPF prologue generation : FAILED! <<>> Enabling verbose option provided debug logs, which says debuginfo needs to be installed. Snippet of verbose logs: <<>> 42.3: BPF prologue generation : --- start --- test child forked, pid 28218 <<>> Rebuild with CONFIG_DEBUG_INFO=y, or install an appropriate debuginfo package. bpf_probe: failed to convert perf probe events Failed to add events selected by BPF test child finished with -1 ---- end ---- BPF filter subtest 3: FAILED! <<>> Here the subtest "BPF prologue generation" failed and logs shows debuginfo is needed. After installing kernel-debuginfo package, testcase passes. The "BPF prologue generation" subtest failed because, the do_test() returns TEST_FAIL without checking the error type returned by parse_events_load_bpf_obj(). parse_events_load_bpf_obj() can also return error of type -ENODATA incase kernel-debuginfo package is not installed. Fix this by adding check for -ENODATA error. Test result after the patch changes: Test failure logs: <<>> 42: BPF filter : 42.1: Basic BPF filtering : Ok 42.2: BPF pinning : Ok 42.3: BPF prologue generation : Skip (clang/debuginfo isn't installed or environment missing BPF support) <<>> Fixes: ba1fae431e74bb42 ("perf test: Add 'perf test BPF'") Signed-off-by: Athira Rajeev Cc: Andi Kleen Cc: Disha Goel Cc: Ian Rogers Cc: James Clark Cc: Jiri Olsa Cc: Kajol Jain Cc: Madhavan Srinivasan Cc: Michael Ellerman Cc: Nageswara R Sastry Cc: Namhyung Kim Cc: Wang Nan Cc: linuxppc-dev@lists.ozlabs.org Link: http://lore.kernel.org/linux-perf-users/Y7bIk77mdE4j8Jyi@kernel.org Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: Sasha Levin --- tools/perf/tests/bpf.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 17c023823713d..6a4235a9cf57e 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -126,6 +126,10 @@ static int do_test(struct bpf_object *obj, int (*func)(void), err = parse_events_load_bpf_obj(&parse_state, &parse_state.list, obj, NULL); parse_events_error__exit(&parse_error); + if (err == -ENODATA) { + pr_debug("Failed to add events selected by BPF, debuginfo package not installed\n"); + return TEST_SKIP; + } if (err || list_empty(&parse_state.list)) { pr_debug("Failed to add events selected by BPF\n"); return TEST_FAIL; @@ -368,7 +372,7 @@ static struct test_case bpf_tests[] = { "clang isn't installed or environment missing BPF support"), #ifdef HAVE_BPF_PROLOGUE TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, - "clang isn't installed or environment missing BPF support"), + "clang/debuginfo isn't installed or environment missing BPF support"), #else TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, "not compiled in"), #endif -- 2.39.2