|  | /* SPDX-License-Identifier: GPL-2.0-only */ | 
|  | /* | 
|  | * intel-bts.h: Intel Processor Trace support | 
|  | * Copyright (c) 2013-2014, Intel Corporation. | 
|  | */ | 
|  |  | 
|  | #ifndef INCLUDE__PERF_INTEL_BTS_H__ | 
|  | #define INCLUDE__PERF_INTEL_BTS_H__ | 
|  |  | 
|  | #define INTEL_BTS_PMU_NAME "intel_bts" | 
|  |  | 
|  | enum { | 
|  | INTEL_BTS_PMU_TYPE, | 
|  | INTEL_BTS_TIME_SHIFT, | 
|  | INTEL_BTS_TIME_MULT, | 
|  | INTEL_BTS_TIME_ZERO, | 
|  | INTEL_BTS_CAP_USER_TIME_ZERO, | 
|  | INTEL_BTS_SNAPSHOT_MODE, | 
|  | INTEL_BTS_AUXTRACE_PRIV_MAX, | 
|  | }; | 
|  |  | 
|  | #define INTEL_BTS_AUXTRACE_PRIV_SIZE (INTEL_BTS_AUXTRACE_PRIV_MAX * sizeof(u64)) | 
|  |  | 
|  | struct auxtrace_record; | 
|  | struct perf_tool; | 
|  | union perf_event; | 
|  | struct perf_session; | 
|  |  | 
|  | struct auxtrace_record *intel_bts_recording_init(int *err); | 
|  |  | 
|  | int intel_bts_process_auxtrace_info(union perf_event *event, | 
|  | struct perf_session *session); | 
|  |  | 
|  | #endif |