{"id":2227648,"url":"http://patchwork.ozlabs.org/api/patches/2227648/?format=json","web_url":"http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20260424033325.71565-2-zixing.liu@canonical.com/","project":{"id":15,"url":"http://patchwork.ozlabs.org/api/projects/15/?format=json","name":"Ubuntu Kernel","link_name":"ubuntu-kernel","list_id":"kernel-team.lists.ubuntu.com","list_email":"kernel-team@lists.ubuntu.com","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260424033325.71565-2-zixing.liu@canonical.com>","list_archive_url":null,"date":"2026-04-24T03:33:24","name":"[SRU,N,v4,1/2] selftests/powerpc: Lower run time of count_stcx_fail test","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"8149874564f964083e4778260ece10b32c6de278","submitter":{"id":90901,"url":"http://patchwork.ozlabs.org/api/people/90901/?format=json","name":"Zixing Liu","email":"zixing.liu@canonical.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/ubuntu-kernel/patch/20260424033325.71565-2-zixing.liu@canonical.com/mbox/","series":[{"id":501296,"url":"http://patchwork.ozlabs.org/api/series/501296/?format=json","web_url":"http://patchwork.ozlabs.org/project/ubuntu-kernel/list/?series=501296","date":"2026-04-24T03:33:23","name":"Fix time-out issues on powerpc when running ubuntu_kernel_selftests","version":4,"mbox":"http://patchwork.ozlabs.org/series/501296/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227648/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227648/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (4096-bit key;\n unprotected) header.d=canonical.com header.i=@canonical.com\n header.a=rsa-sha256 header.s=20251003 header.b=lVJzvqhQ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ubuntu.com\n (client-ip=185.125.189.65; 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charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Errors-To":"kernel-team-bounces@lists.ubuntu.com","Sender":"\"kernel-team\" "},"content":"From: Michael Ellerman \n\nBugLink: https://bugs.launchpad.net/bugs/2141536\n\nThe count_stcx_fail test runs for close to or just over 2 minutes, which\nmeans it sometimes times out.\n\nThat's overkill for a test that just demonstrates some PMU counters\nare working. Drop the 64 billion instruction case, to lower the runtime\nto ~30s.\n\nSigned-off-by: Michael Ellerman \n(cherry picked from commit 3b9bde403aafa55dcbe7dc250b95af917610f139)\nSigned-off-by: Zixing Liu \n---\n tools/testing/selftests/powerpc/pmu/count_stcx_fail.c | 3 ---\n 1 file changed, 3 deletions(-)","diff":"diff --git a/tools/testing/selftests/powerpc/pmu/count_stcx_fail.c b/tools/testing/selftests/powerpc/pmu/count_stcx_fail.c\nindex 2070a1e2b3a5..d8dd9a9c6c1b 100644\n--- a/tools/testing/selftests/powerpc/pmu/count_stcx_fail.c\n+++ b/tools/testing/selftests/powerpc/pmu/count_stcx_fail.c\n@@ -144,9 +144,6 @@ static int test_body(void)\n \t/* Run for 16Bi instructions */\n \tFAIL_IF(do_count_loop(events, 16000000000, overhead, true));\n \n-\t/* Run for 64Bi instructions */\n-\tFAIL_IF(do_count_loop(events, 64000000000, overhead, true));\n-\n \tevent_close(&events[0]);\n \tevent_close(&events[1]);\n \n","prefixes":["SRU","N","v4","1/2"]}