From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 6/8] perf arm-spe: Fix endless record after being terminated Date: Thu, 20 Feb 2020 22:53:08 -0300 Message-ID: <20200221015310.16914-7-acme@kernel.org> References: <20200221015310.16914-1-acme@kernel.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20200221015310.16914-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Adrian Hunter , Wei Li , Jiri Olsa , Tan Xiaojun , stable@vger.kernel.org, Arnaldo Carvalho de Melo List-Id: linux-perf-users.vger.kernel.org From: Adrian Hunter In __cmd_record(), when receiving SIGINT(ctrl + c), a 'done' flag will be set and the event list will be disabled by evlist__disable() once. While in auxtrace_record.read_finish(), the related events will be enabled again, if they are continuous, the recording seems to be endless. If the event is disabled, don't enable it again here. Based-on-patch-by: Wei Li Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: Tan Xiaojun Cc: stable@vger.kernel.org # 5.4+ Link: http://lore.kernel.org/lkml/20200214132654.20395-5-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/arch/arm64/util/arm-spe.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c index eba6541ec0f1..1d993c27242b 100644 --- a/tools/perf/arch/arm64/util/arm-spe.c +++ b/tools/perf/arch/arm64/util/arm-spe.c @@ -165,9 +165,12 @@ static int arm_spe_read_finish(struct auxtrace_record *itr, int idx) struct evsel *evsel; evlist__for_each_entry(sper->evlist, evsel) { - if (evsel->core.attr.type == sper->arm_spe_pmu->type) + if (evsel->core.attr.type == sper->arm_spe_pmu->type) { + if (evsel->disabled) + return 0; return perf_evlist__enable_event_idx(sper->evlist, evsel, idx); + } } return -EINVAL; } -- 2.21.1