Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
72 lines
1.5 KiB
C
72 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Arm Statistical Profiling Extensions (SPE) support
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* Copyright (c) 2017-2018, Arm Ltd.
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*/
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#ifndef INCLUDE__PERF_ARM_SPE_H__
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#define INCLUDE__PERF_ARM_SPE_H__
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#define ARM_SPE_PMU_NAME "arm_spe_"
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enum {
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ARM_SPE_PMU_TYPE,
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ARM_SPE_PER_CPU_MMAPS,
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ARM_SPE_AUXTRACE_V1_PRIV_MAX,
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};
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#define ARM_SPE_AUXTRACE_V1_PRIV_SIZE \
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(ARM_SPE_AUXTRACE_V1_PRIV_MAX * sizeof(u64))
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enum {
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/*
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* The old metadata format (defined above) does not include a
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* field for version number. Version 1 is reserved and starts
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* from version 2.
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*/
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ARM_SPE_HEADER_VERSION,
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/* Number of sizeof(u64) */
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ARM_SPE_HEADER_SIZE,
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/* PMU type shared by CPUs */
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ARM_SPE_PMU_TYPE_V2,
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/* Number of CPUs */
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ARM_SPE_CPUS_NUM,
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ARM_SPE_AUXTRACE_PRIV_MAX,
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};
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enum {
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/* Magic number */
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ARM_SPE_MAGIC,
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/* CPU logical number in system */
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ARM_SPE_CPU,
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/* Number of parameters */
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ARM_SPE_CPU_NR_PARAMS,
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/* CPU MIDR */
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ARM_SPE_CPU_MIDR,
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/* Associated PMU type */
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ARM_SPE_CPU_PMU_TYPE,
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/* Minimal interval */
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ARM_SPE_CAP_MIN_IVAL,
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/* Event filter */
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ARM_SPE_CAP_EVENT_FILTER,
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ARM_SPE_CPU_PRIV_MAX,
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};
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#define ARM_SPE_HEADER_CURRENT_VERSION 2
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union perf_event;
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struct perf_session;
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struct perf_pmu;
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struct auxtrace_record *arm_spe_recording_init(int *err,
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struct perf_pmu *arm_spe_pmu);
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int arm_spe_process_auxtrace_info(union perf_event *event,
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struct perf_session *session);
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void arm_spe_pmu_default_config(const struct perf_pmu *arm_spe_pmu,
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struct perf_event_attr *attr);
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#endif
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