cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

pmu.c (710B)

      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 "../../../util/pmu.h"
     14
     15struct perf_event_attr
     16*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
     17{
     18#ifdef HAVE_AUXTRACE_SUPPORT
     19	if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
     20		/* add ETM default config here */
     21		pmu->selectable = true;
     22#if defined(__aarch64__)
     23	} else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
     24		return arm_spe_pmu_default_config(pmu);
     25#endif
     26	}
     27
     28#endif
     29	return NULL;
     30}