1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright(C) 2015 Linaro Limited. All rights reserved. 4 * Author: Mathieu Poirier <mathieu.poirier@linaro.org> 5 */ 6 7 #include <string.h> 8 #include <linux/coresight-pmu.h> 9 #include <linux/perf_event.h> 10 #include <linux/string.h> 11 12 #include "arm-spe.h" 13 #include "hisi-ptt.h" 14 #include "../../../util/cpumap.h" 15 #include "../../../util/pmu.h" 16 #include "../../../util/cs-etm.h" 17 #include "../../arm64/util/mem-events.h" 18 19 void perf_pmu__arch_init(struct perf_pmu *pmu) 20 { 21 struct perf_cpu_map *intersect; 22 23 #ifdef HAVE_AUXTRACE_SUPPORT 24 if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) { 25 /* add ETM default config here */ 26 pmu->selectable = true; 27 pmu->perf_event_attr_init_default = cs_etm_get_default_config; 28 #if defined(__aarch64__) 29 } else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) { 30 pmu->selectable = true; 31 pmu->is_uncore = false; 32 pmu->perf_event_attr_init_default = arm_spe_pmu_default_config; 33 if (strstarts(pmu->name, "arm_spe_")) 34 pmu->mem_events = perf_mem_events_arm; 35 } else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) { 36 pmu->selectable = true; 37 #endif 38 } 39 #endif 40 /* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */ 41 intersect = perf_cpu_map__intersect(cpu_map__online(), pmu->cpus); 42 perf_cpu_map__put(pmu->cpus); 43 pmu->cpus = intersect; 44 } 45