/* * Copyright(C) 2015 Linaro Limited. All rights reserved. * Author: Mathieu Poirier <mathieu.poirier@linaro.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published by * the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdbool.h> #include <linux/coresight-pmu.h> #include "../../util/auxtrace.h" #include "../../util/evlist.h" #include "../../util/pmu.h" #include "cs-etm.h"
struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist, int *err) { struct perf_pmu *cs_etm_pmu; struct perf_evsel *evsel; bool found_etm = false; cs_etm_pmu = perf_pmu__find(CORESIGHT_ETM_PMU_NAME); if (evlist) { evlist__for_each_entry(evlist, evsel) { if (cs_etm_pmu && evsel->attr.type == cs_etm_pmu->type) found_etm = true; } } if (found_etm) return cs_etm_record_init(err); /* * Clear 'err' even if we haven't found a cs_etm event - that way perf * record can still be used even if tracers aren't present. The NULL * return value will take care of telling the infrastructure HW tracing * isn't available. */ *err = 0; return NULL; }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mathieu J. Poirier | 89 | 100.00% | 1 | 100.00% |
| Total | 89 | 100.00% | 1 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Mathieu J. Poirier | 108 | 100.00% | 1 | 100.00% |
| Total | 108 | 100.00% | 1 | 100.00% |