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/* SPDX-License-Identifier: GPL-2.0 */
/*
* amd-pstate-trace.h - AMD Processor P-state Frequency Driver Tracer
*
* Copyright (C) 2021 Advanced Micro Devices, Inc. All Rights Reserved.
*
* Author: Huang Rui <ray.huang@amd.com>
*/
#if !defined(_AMD_PSTATE_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define _AMD_PSTATE_TRACE_H
#include <linux/cpufreq.h>
#include <linux/tracepoint.h>
#include <linux/trace_events.h>
#undef TRACE_SYSTEM
#define TRACE_SYSTEM amd_cpu
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE amd-pstate-trace
#define TPS(x) tracepoint_string(x)
TRACE_EVENT(amd_pstate_perf,
TP_PROTO(u8 min_perf,
u8 target_perf,
u8 capacity,
u64 freq,
u64 mperf,
u64 aperf,
u64 tsc,
unsigned int cpu_id,
bool fast_switch
),
TP_ARGS(min_perf,
target_perf,
capacity,
freq,
mperf,
aperf,
tsc,
cpu_id,
fast_switch
),
TP_STRUCT__entry(
__field(u8, min_perf)
__field(u8, target_perf)
__field(u8, capacity)
__field(unsigned long long, freq)
__field(unsigned long long, mperf)
__field(unsigned long long, aperf)
__field(unsigned long long, tsc)
__field(unsigned int, cpu_id)
__field(bool, fast_switch)
),
TP_fast_assign(
__entry->min_perf = min_perf;
__entry->target_perf = target_perf;
__entry->capacity = capacity;
__entry->freq = freq;
__entry->mperf = mperf;
__entry->aperf = aperf;
__entry->tsc = tsc;
__entry->cpu_id = cpu_id;
__entry->fast_switch = fast_switch;
),
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",
(u8)__entry->min_perf,
(u8)__entry->target_perf,
(u8)__entry->capacity,
(unsigned long long)__entry->freq,
(unsigned long long)__entry->mperf,
(unsigned long long)__entry->aperf,
(unsigned long long)__entry->tsc,
(unsigned int)__entry->cpu_id,
(__entry->fast_switch) ? "true" : "false"
)
);
TRACE_EVENT(amd_pstate_epp_perf,
TP_PROTO(unsigned int cpu_id,
u8 highest_perf,
u8 epp,
u8 min_perf,
u8 max_perf,
bool boost,
bool changed
),
TP_ARGS(cpu_id,
highest_perf,
epp,
min_perf,
max_perf,
boost,
changed),
TP_STRUCT__entry(
__field(unsigned int, cpu_id)
__field(u8, highest_perf)
__field(u8, epp)
__field(u8, min_perf)
__field(u8, max_perf)
__field(bool, boost)
__field(bool, changed)
),
TP_fast_assign(
__entry->cpu_id = cpu_id;
__entry->highest_perf = highest_perf;
__entry->epp = epp;
__entry->min_perf = min_perf;
__entry->max_perf = max_perf;
__entry->boost = boost;
__entry->changed = changed;
),
TP_printk("cpu%u: [%hhu<->%hhu]/%hhu, epp=%hhu, boost=%u, changed=%u",
(unsigned int)__entry->cpu_id,
(u8)__entry->min_perf,
(u8)__entry->max_perf,
(u8)__entry->highest_perf,
(u8)__entry->epp,
(bool)__entry->boost,
(bool)__entry->changed
)
);
TRACE_EVENT(amd_pstate_cppc_req2,
TP_PROTO(unsigned int cpu_id,
u8 floor_perf,
bool changed,
int err_code
),
TP_ARGS(cpu_id,
floor_perf,
changed,
err_code),
TP_STRUCT__entry(
__field(unsigned int, cpu_id)
__field(u8, floor_perf)
__field(bool, changed)
__field(int, err_code)
),
TP_fast_assign(
__entry->cpu_id = cpu_id;
__entry->floor_perf = floor_perf;
__entry->changed = changed;
__entry->err_code = err_code;
),
TP_printk("cpu%u: floor_perf=%u, changed=%u (error = %d)",
__entry->cpu_id,
__entry->floor_perf,
__entry->changed,
__entry->err_code
)
);
#endif /* _AMD_PSTATE_TRACE_H */
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#include <trace/define_trace.h>
|
