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
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