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Linux kernel mirror (for testing)
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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
19void 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->auxtrace = true;
27 pmu->selectable = true;
28 pmu->perf_event_attr_init_default = cs_etm_get_default_config;
29#if defined(__aarch64__)
30 } else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
31 pmu->auxtrace = true;
32 pmu->selectable = true;
33 pmu->is_uncore = false;
34 pmu->perf_event_attr_init_default = arm_spe_pmu_default_config;
35 if (strstarts(pmu->name, "arm_spe_"))
36 pmu->mem_events = perf_mem_events_arm;
37 } else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
38 pmu->auxtrace = true;
39 pmu->selectable = true;
40#endif
41 }
42#endif
43 /* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */
44 intersect = perf_cpu_map__intersect(cpu_map__online(), pmu->cpus);
45 perf_cpu_map__put(pmu->cpus);
46 pmu->cpus = intersect;
47}