057381a7ec
HiSilicon PCIe tune and trace device (PTT) could dynamically tune the PCIe link's events, and trace the TLP headers). This patch add support for PTT device in perf tool, so users could use 'perf record' to get TLP headers trace data. Reviewed-by: Leo Yan <leo.yan@linaro.org> Signed-off-by: Qi Liu <liuqi115@huawei.com> Signed-off-by: Yicong Yang <yangyicong@hisilicon.com> Acked-by: John Garry <john.garry@huawei.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Bjorn Helgaas <helgaas@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jonathan Cameron <jonathan.cameron@huawei.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Qi Liu <liuqi6124@gmail.com> Cc: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com> Cc: Shaokun Zhang <zhangshaokun@hisilicon.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Zeng Prime <prime.zeng@huawei.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-pci@vger.kernel.org Cc: linuxarm@huawei.com Link: https://lore.kernel.org/r/20220927081400.14364-3-yangyicong@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
33 lines
813 B
C
33 lines
813 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright(C) 2015 Linaro Limited. All rights reserved.
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* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
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*/
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#include <string.h>
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#include <linux/coresight-pmu.h>
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#include <linux/perf_event.h>
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#include <linux/string.h>
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#include "arm-spe.h"
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#include "hisi-ptt.h"
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#include "../../../util/pmu.h"
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struct perf_event_attr
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*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
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{
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#ifdef HAVE_AUXTRACE_SUPPORT
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if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
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/* add ETM default config here */
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pmu->selectable = true;
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#if defined(__aarch64__)
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} else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
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return arm_spe_pmu_default_config(pmu);
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} else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
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pmu->selectable = true;
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#endif
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}
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#endif
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return NULL;
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}
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