Quelle  power.h   Sprache: C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM power

#if !defined(_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_POWER_H

#include <linux/cpufreq.h>
#include <linux/ktime.h>
#include <linux/pm_qos.h>
#include <linux/tracepoint.h>
#include <linux/trace_events.h>

#define TPS(x)  tracepoint_string(x)

DECLARE_EVENT_CLASS(cpu,

 TP_PROTO(unsigned int state, unsigned int cpu_id),

 TP_ARGS(state, cpu_id),

 TP_STRUCT__entry(
  __field( u32,  state  )
  __field( u32,  cpu_id  )
 ),

 TP_fast_assign(
  __entry->state = state;
  __entry->cpu_id = cpu_id;
 ),

 TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
    (unsigned long)__entry->cpu_id)
);

DEFINE_EVENT(cpu, cpu_idle,

 TP_PROTO(unsigned int state, unsigned int cpu_id),

 TP_ARGS(state, cpu_id)
);

TRACE_EVENT(cpu_idle_miss,

 TP_PROTO(unsigned int cpu_id, unsigned int state, bool below),

 TP_ARGS(cpu_id, state, below),

 TP_STRUCT__entry(
  __field(u32,  cpu_id)
  __field(u32,  state)
  __field(bool,  below)
 ),

 TP_fast_assign(
  __entry->cpu_id = cpu_id;
  __entry->state = state;
  __entry->below = below;
 ),

 TP_printk("cpu_id=%lu state=%lu type=%s", (unsigned long)__entry->cpu_id,
  (unsigned long)__entry->state, (__entry->below)?"below":"above")
);

#ifdef CONFIG_ARM_PSCI_CPUIDLE
DECLARE_EVENT_CLASS(psci_domain_idle,

 TP_PROTO(unsigned int cpu_id, unsigned int state, bool s2idle),

 TP_ARGS(cpu_id, state, s2idle),

 TP_STRUCT__entry(
  __field(u32,  cpu_id)
  __field(u32,  state)
  __field(bool,  s2idle)
 ),

 TP_fast_assign(
  __entry->cpu_id = cpu_id;
  __entry->state = state;
  __entry->s2idle = s2idle;
 ),

 TP_printk("cpu_id=%lu state=0x%lx is_s2idle=%s",
    (unsigned long)__entry->cpu_id, (unsigned long)__entry->state,
    (__entry->s2idle)?"yes":"no")
);

DEFINE_EVENT(psci_domain_idle, psci_domain_idle_enter,

 TP_PROTO(unsigned int cpu_id, unsigned int state, bool s2idle),

 TP_ARGS(cpu_id, state, s2idle)
);

DEFINE_EVENT(psci_domain_idle, psci_domain_idle_exit,

 TP_PROTO(unsigned int cpu_id, unsigned int state, bool s2idle),

 TP_ARGS(cpu_id, state, s2idle)
);
#endif

TRACE_EVENT(pstate_sample,

 TP_PROTO(u32 core_busy,
  u32 scaled_busy,
  u32 from,
  u32 to,
  u64 mperf,
  u64 aperf,
  u64 tsc,
  u32 freq,
  u32 io_boost
  ),

 TP_ARGS(core_busy,
  scaled_busy,
  from,
  to,
  mperf,
  aperf,
  tsc,
  freq,
  io_boost
  ),

 TP_STRUCT__entry(
  __field(u32, core_busy)
  __field(u32, scaled_busy)
  __field(u32, from)
  __field(u32, to)
  __field(u64, mperf)
  __field(u64, aperf)
  __field(u64, tsc)
  __field(u32, freq)
  __field(u32, io_boost)
  ),

 TP_fast_assign(
  __entry->core_busy = core_busy;
  __entry->scaled_busy = scaled_busy;
  __entry->from = from;
  __entry->to = to;
  __entry->mperf = mperf;
  __entry->aperf = aperf;
  __entry->tsc = tsc;
  __entry->freq = freq;
  __entry->io_boost = io_boost;
  ),

 TP_printk("core_busy=%lu scaled=%lu from=%lu to=%lu mperf=%llu aperf=%llu tsc=%llu freq=%lu io_boost=%lu",
  (unsigned long)__entry->core_busy,
  (unsigned long)__entry->scaled_busy,
  (unsigned long)__entry->from,
  (unsigned long)__entry->to,
  (unsigned long long)__entry->mperf,
  (unsigned long long)__entry->aperf,
  (unsigned long long)__entry->tsc,
  (unsigned long)__entry->freq,
  (unsigned long)__entry->io_boost
  )

);

/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
#define _PWR_EVENT_AVOID_DOUBLE_DEFINING

#define PWR_EVENT_EXIT -1
#endif

#define pm_verb_symbolic(event) \
 __print_symbolic(event, \
  { PM_EVENT_SUSPEND, "suspend" }, \
  { PM_EVENT_RESUME, "resume" }, \
  { PM_EVENT_FREEZE, "freeze" }, \
  { PM_EVENT_QUIESCE, "quiesce" }, \
  { PM_EVENT_HIBERNATE, "hibernate" }, \
  { PM_EVENT_THAW, "thaw" }, \
  { PM_EVENT_RESTORE, "restore" }, \
  { PM_EVENT_RECOVER, "recover" })

DEFINE_EVENT(cpu, cpu_frequency,

 TP_PROTO(unsigned int frequency, unsigned int cpu_id),

 TP_ARGS(frequency, cpu_id)
);

TRACE_EVENT(cpu_frequency_limits,

 TP_PROTO(struct cpufreq_policy *policy),

 TP_ARGS(policy),

 TP_STRUCT__entry(
  __field(u32, min_freq)
  __field(u32, max_freq)
  __field(u32, cpu_id)
 ),

 TP_fast_assign(
  __entry->min_freq = policy->min;
  __entry->max_freq = policy->max;
  __entry->cpu_id = policy->cpu;
 ),

 TP_printk("min=%lu max=%lu cpu_id=%lu",
    (unsigned long)__entry->min_freq,
    (unsigned long)__entry->max_freq,
    (unsigned long)__entry->cpu_id)
);

#ifdef CONFIG_PM_SLEEP
TRACE_EVENT(device_pm_callback_start,

 TP_PROTO(struct device *dev, const char *pm_ops, int event),

 TP_ARGS(dev, pm_ops, event),

 TP_STRUCT__entry(
  __string(device, dev_name(dev))
  __string(driver, dev_driver_string(dev))
  __string(parent, dev->parent ? dev_name(dev->parent) : "none")
  __string(pm_ops, pm_ops ? pm_ops : "none ")
  __field(int, event)
 ),

 TP_fast_assign(
  __assign_str(device);
  __assign_str(driver);
  __assign_str(parent);
  __assign_str(pm_ops);
  __entry->event = event;
 ),

 TP_printk("%s %s, parent: %s, %s[%s]", __get_str(driver),
  __get_str(device), __get_str(parent), __get_str(pm_ops),
  pm_verb_symbolic(__entry->event))
);

TRACE_EVENT(device_pm_callback_end,

 TP_PROTO(struct device *dev, int error),

 TP_ARGS(dev, error),

 TP_STRUCT__entry(
  __string(device, dev_name(dev))
  __string(driver, dev_driver_string(dev))
  __field(int, error)
 ),

 TP_fast_assign(
  __assign_str(device);
  __assign_str(driver);
  __entry->error = error;
 ),

 TP_printk("%s %s, err=%d",
  __get_str(driver), __get_str(device), __entry->error)
);
#endif

TRACE_EVENT(suspend_resume,

 TP_PROTO(const char *action, int val, bool start),

 TP_ARGS(action, val, start),

 TP_STRUCT__entry(
  __field(const char *, action)
  __field(int, val)
  __field(bool, start)
 ),

 TP_fast_assign(
  __entry->action = action;
  __entry->val = val;
  __entry->start = start;
 ),

 TP_printk("%s[%u] %s", __entry->action, (unsigned int)__entry->val,
  (__entry->start)?"begin":"end")
);

DECLARE_EVENT_CLASS(wakeup_source,

 TP_PROTO(const char *name, unsigned int state),

 TP_ARGS(name, state),

 TP_STRUCT__entry(
  __string(       name,           name            )
  __field(        u64,            state           )
 ),

 TP_fast_assign(
  __assign_str(name);
  __entry->state = state;
 ),

 TP_printk("%s state=0x%lx", __get_str(name),
  (unsigned long)__entry->state)
);

DEFINE_EVENT(wakeup_source, wakeup_source_activate,

 TP_PROTO(const char *name, unsigned int state),

 TP_ARGS(name, state)
);

DEFINE_EVENT(wakeup_source, wakeup_source_deactivate,

 TP_PROTO(const char *name, unsigned int state),

 TP_ARGS(name, state)
);

#ifdef CONFIG_ARCH_OMAP2PLUS
/*
 * The power domain events are used for power domains transitions
 */
DECLARE_EVENT_CLASS(power_domain,

 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

 TP_ARGS(name, state, cpu_id),

 TP_STRUCT__entry(
  __string(       name,           name            )
  __field(        u64,            state           )
  __field(        u64,            cpu_id          )
 ),

 TP_fast_assign(
  __assign_str(name);
  __entry->state = state;
  __entry->cpu_id = cpu_id;
),

 TP_printk("%s state=%lu cpu_id=%lu", __get_str(name),
  (unsigned long)__entry->state, (unsigned long)__entry->cpu_id)
);

DEFINE_EVENT(power_domain, power_domain_target,

 TP_PROTO(const char *name, unsigned int state, unsigned int cpu_id),

 TP_ARGS(name, state, cpu_id)
);
#endif

/*
 * CPU latency QoS events used for global CPU latency QoS list updates
 */
DECLARE_EVENT_CLASS(cpu_latency_qos_request,

 TP_PROTO(s32 value),

 TP_ARGS(value),

 TP_STRUCT__entry(
  __field( s32,                    value          )
 ),

 TP_fast_assign(
  __entry->value = value;
 ),

 TP_printk("CPU_DMA_LATENCY value=%d",
    __entry->value)
);

DEFINE_EVENT(cpu_latency_qos_request, pm_qos_add_request,

 TP_PROTO(s32 value),

 TP_ARGS(value)
);

DEFINE_EVENT(cpu_latency_qos_request, pm_qos_update_request,

 TP_PROTO(s32 value),

 TP_ARGS(value)
);

DEFINE_EVENT(cpu_latency_qos_request, pm_qos_remove_request,

 TP_PROTO(s32 value),

 TP_ARGS(value)
);

/*
 * General PM QoS events used for updates of PM QoS request lists
 */
DECLARE_EVENT_CLASS(pm_qos_update,

 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),

 TP_ARGS(action, prev_value, curr_value),

 TP_STRUCT__entry(
  __field( enum pm_qos_req_action, action         )
  __field( int,                    prev_value     )
  __field( int,                    curr_value     )
 ),

 TP_fast_assign(
  __entry->action = action;
  __entry->prev_value = prev_value;
  __entry->curr_value = curr_value;
 ),

 TP_printk("action=%s prev_value=%d curr_value=%d",
    __print_symbolic(__entry->action,
   { PM_QOS_ADD_REQ, "ADD_REQ" },
   { PM_QOS_UPDATE_REQ, "UPDATE_REQ" },
   { PM_QOS_REMOVE_REQ, "REMOVE_REQ" }),
    __entry->prev_value, __entry->curr_value)
);

DEFINE_EVENT(pm_qos_update, pm_qos_update_target,

 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),

 TP_ARGS(action, prev_value, curr_value)
);

DEFINE_EVENT_PRINT(pm_qos_update, pm_qos_update_flags,

 TP_PROTO(enum pm_qos_req_action action, int prev_value, int curr_value),

 TP_ARGS(action, prev_value, curr_value),

 TP_printk("action=%s prev_value=0x%x curr_value=0x%x",
    __print_symbolic(__entry->action,
   { PM_QOS_ADD_REQ, "ADD_REQ" },
   { PM_QOS_UPDATE_REQ, "UPDATE_REQ" },
   { PM_QOS_REMOVE_REQ, "REMOVE_REQ" }),
    __entry->prev_value, __entry->curr_value)
);

DECLARE_EVENT_CLASS(dev_pm_qos_request,

 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
   s32 new_value),

 TP_ARGS(name, type, new_value),

 TP_STRUCT__entry(
  __string( name,                    name         )
  __field( enum dev_pm_qos_req_type, type         )
  __field( s32,                      new_value    )
 ),

 TP_fast_assign(
  __assign_str(name);
  __entry->type = type;
  __entry->new_value = new_value;
 ),

 TP_printk("device=%s type=%s new_value=%d",
    __get_str(name),
    __print_symbolic(__entry->type,
   { DEV_PM_QOS_RESUME_LATENCY, "DEV_PM_QOS_RESUME_LATENCY" },
   { DEV_PM_QOS_FLAGS, "DEV_PM_QOS_FLAGS" }),
    __entry->new_value)
);

DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_add_request,

 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
   s32 new_value),

 TP_ARGS(name, type, new_value)
);

DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_update_request,

 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
   s32 new_value),

 TP_ARGS(name, type, new_value)
);

DEFINE_EVENT(dev_pm_qos_request, dev_pm_qos_remove_request,

 TP_PROTO(const char *name, enum dev_pm_qos_req_type type,
   s32 new_value),

 TP_ARGS(name, type, new_value)
);

TRACE_EVENT(guest_halt_poll_ns,

 TP_PROTO(bool grow, unsigned int new, unsigned int old),

 TP_ARGS(grow, new, old),

 TP_STRUCT__entry(
  __field(bool, grow)
  __field(unsigned int, new)
  __field(unsigned int, old)
 ),

 TP_fast_assign(
  __entry->grow   = grow;
  __entry->new    = new;
  __entry->old    = old;
 ),

 TP_printk("halt_poll_ns %u (%s %u)",
  __entry->new,
  __entry->grow ? "grow" : "shrink",
  __entry->old)
);

#define trace_guest_halt_poll_ns_grow(new, old) \
 trace_guest_halt_poll_ns(true, new, old)
#define trace_guest_halt_poll_ns_shrink(new, old) \
 trace_guest_halt_poll_ns(false, new, old)
#endif /* _TRACE_POWER_H */

/* This part must be outside protection */
#include <trace/define_trace.h>