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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/drivers/cpufreq/amd-pstate-trace.h
26278 views
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/* SPDX-License-Identifier: GPL-2.0 */

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/*

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 * amd-pstate-trace.h - AMD Processor P-state Frequency Driver Tracer

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 *

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 * Copyright (C) 2021 Advanced Micro Devices, Inc. All Rights Reserved.

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 *

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 * Author: Huang Rui <[email protected]>

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 */

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#if !defined(_AMD_PSTATE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _AMD_PSTATE_TRACE_H

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#include <linux/cpufreq.h>

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#include <linux/tracepoint.h>

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#include <linux/trace_events.h>

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM amd_cpu

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#undef TRACE_INCLUDE_FILE

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#define TRACE_INCLUDE_FILE amd-pstate-trace

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#define TPS(x)  tracepoint_string(x)

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TRACE_EVENT(amd_pstate_perf,

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	TP_PROTO(u8 min_perf,

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		 u8 target_perf,

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		 u8 capacity,

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		 u64 freq,

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		 u64 mperf,

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		 u64 aperf,

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		 u64 tsc,

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		 unsigned int cpu_id,

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		 bool fast_switch

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		 ),

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	TP_ARGS(min_perf,

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		target_perf,

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		capacity,

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		freq,

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		mperf,

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		aperf,

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		tsc,

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		cpu_id,

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		fast_switch

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		),

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	TP_STRUCT__entry(

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		__field(u8, min_perf)

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		__field(u8, target_perf)

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		__field(u8, capacity)

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		__field(unsigned long long, freq)

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		__field(unsigned long long, mperf)

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		__field(unsigned long long, aperf)

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		__field(unsigned long long, tsc)

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		__field(unsigned int, cpu_id)

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		__field(bool, fast_switch)

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		),

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	TP_fast_assign(

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		__entry->min_perf = min_perf;

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		__entry->target_perf = target_perf;

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		__entry->capacity = capacity;

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		__entry->freq = freq;

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		__entry->mperf = mperf;

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		__entry->aperf = aperf;

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		__entry->tsc = tsc;

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		__entry->cpu_id = cpu_id;

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		__entry->fast_switch = fast_switch;

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		),

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	TP_printk("amd_min_perf=%hhu amd_des_perf=%hhu amd_max_perf=%hhu freq=%llu mperf=%llu aperf=%llu tsc=%llu cpu_id=%u fast_switch=%s",

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		  (u8)__entry->min_perf,

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		  (u8)__entry->target_perf,

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		  (u8)__entry->capacity,

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		  (unsigned long long)__entry->freq,

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		  (unsigned long long)__entry->mperf,

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		  (unsigned long long)__entry->aperf,

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		  (unsigned long long)__entry->tsc,

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		  (unsigned int)__entry->cpu_id,

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		  (__entry->fast_switch) ? "true" : "false"

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		 )

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);

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TRACE_EVENT(amd_pstate_epp_perf,

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	TP_PROTO(unsigned int cpu_id,

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		 u8 highest_perf,

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		 u8 epp,

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		 u8 min_perf,

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		 u8 max_perf,

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		 bool boost,

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		 bool changed

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		 ),

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	TP_ARGS(cpu_id,

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		highest_perf,

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		epp,

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		min_perf,

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		max_perf,

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		boost,

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		changed),

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	TP_STRUCT__entry(

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		__field(unsigned int, cpu_id)

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		__field(u8, highest_perf)

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		__field(u8, epp)

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		__field(u8, min_perf)

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		__field(u8, max_perf)

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		__field(bool, boost)

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		__field(bool, changed)

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		),

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	TP_fast_assign(

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		__entry->cpu_id = cpu_id;

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		__entry->highest_perf = highest_perf;

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		__entry->epp = epp;

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		__entry->min_perf = min_perf;

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		__entry->max_perf = max_perf;

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		__entry->boost = boost;

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		__entry->changed = changed;

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		),

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	TP_printk("cpu%u: [%hhu<->%hhu]/%hhu, epp=%hhu, boost=%u, changed=%u",

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		  (unsigned int)__entry->cpu_id,

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		  (u8)__entry->min_perf,

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		  (u8)__entry->max_perf,

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		  (u8)__entry->highest_perf,

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		  (u8)__entry->epp,

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		  (bool)__entry->boost,

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		  (bool)__entry->changed

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		 )

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);

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#endif /* _AMD_PSTATE_TRACE_H */

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/* This part must be outside protection */

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#undef TRACE_INCLUDE_PATH

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#define TRACE_INCLUDE_PATH .

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#include <trace/define_trace.h>

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