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

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

#include <linux/tracepoint.h>
#include <linux/hrtimer.h>
#include <linux/timer.h>

DECLARE_EVENT_CLASS(timer_class,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer),

	TP_STRUCT__entry(
		__field( void *,	timer	)
	),

	TP_fast_assign(
		__entry->timer	= timer;
	),

	TP_printk("timer=%p", __entry->timer)
);

/**
 * timer_init - called when the timer is initialized
 * @timer:	pointer to struct timer_list
 */
DEFINE_EVENT(timer_class, timer_init,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
);

#define decode_timer_flags(flags)			\
	__print_flags(flags, "|",			\
		{  TIMER_MIGRATING,	"M" },		\
		{  TIMER_DEFERRABLE,	"D" },		\
		{  TIMER_PINNED,	"P" },		\
		{  TIMER_IRQSAFE,	"I" })

/**
 * timer_start - called when the timer is started
 * @timer:	pointer to struct timer_list
 * @expires:	the timers expiry time
 */
TRACE_EVENT(timer_start,

	TP_PROTO(struct timer_list *timer,
		unsigned long expires,
		unsigned int flags),

	TP_ARGS(timer, expires, flags),

	TP_STRUCT__entry(
		__field( void *,	timer		)
		__field( void *,	function	)
		__field( unsigned long,	expires		)
		__field( unsigned long,	now		)
		__field( unsigned int,	flags		)
	),

	TP_fast_assign(
		__entry->timer		= timer;
		__entry->function	= timer->function;
		__entry->expires	= expires;
		__entry->now		= jiffies;
		__entry->flags		= flags;
	),

	TP_printk("timer=%p function=%pf expires=%lu [timeout=%ld] cpu=%u idx=%u flags=%s",
		  __entry->timer, __entry->function, __entry->expires,
		  (long)__entry->expires - __entry->now,
		  __entry->flags & TIMER_CPUMASK,
		  __entry->flags >> TIMER_ARRAYSHIFT,
		  decode_timer_flags(__entry->flags & TIMER_TRACE_FLAGMASK))
);

/**
 * timer_expire_entry - called immediately before the timer callback
 * @timer:	pointer to struct timer_list
 *
 * Allows to determine the timer latency.
 */
TRACE_EVENT(timer_expire_entry,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer),

	TP_STRUCT__entry(
		__field( void *,	timer	)
		__field( unsigned long,	now	)
		__field( void *,	function)
	),

	TP_fast_assign(
		__entry->timer		= timer;
		__entry->now		= jiffies;
		__entry->function	= timer->function;
	),

	TP_printk("timer=%p function=%pf now=%lu", __entry->timer, __entry->function,__entry->now)
);

/**
 * timer_expire_exit - called immediately after the timer callback returns
 * @timer:	pointer to struct timer_list
 *
 * When used in combination with the timer_expire_entry tracepoint we can
 * determine the runtime of the timer callback function.
 *
 * NOTE: Do NOT derefernce timer in TP_fast_assign. The pointer might
 * be invalid. We solely track the pointer.
 */
DEFINE_EVENT(timer_class, timer_expire_exit,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
);

/**
 * timer_cancel - called when the timer is canceled
 * @timer:	pointer to struct timer_list
 */
DEFINE_EVENT(timer_class, timer_cancel,

	TP_PROTO(struct timer_list *timer),

	TP_ARGS(timer)
);

#define decode_clockid(type)						\
	__print_symbolic(type,						\
		{ CLOCK_REALTIME,	"CLOCK_REALTIME"	},	\
		{ CLOCK_MONOTONIC,	"CLOCK_MONOTONIC"	},	\
		{ CLOCK_BOOTTIME,	"CLOCK_BOOTTIME"	},	\
		{ CLOCK_TAI,		"CLOCK_TAI"		})

#define decode_hrtimer_mode(mode)					\
	__print_symbolic(mode,						\
		{ HRTIMER_MODE_ABS,		"ABS"		},	\
		{ HRTIMER_MODE_REL,		"REL"		},	\
		{ HRTIMER_MODE_ABS_PINNED,	"ABS|PINNED"	},	\
		{ HRTIMER_MODE_REL_PINNED,	"REL|PINNED"	})

/**
 * hrtimer_init - called when the hrtimer is initialized
 * @hrtimer:	pointer to struct hrtimer
 * @clockid:	the hrtimers clock
 * @mode:	the hrtimers mode
 */
TRACE_EVENT(hrtimer_init,

	TP_PROTO(struct hrtimer *hrtimer, clockid_t clockid,
		 enum hrtimer_mode mode),

	TP_ARGS(hrtimer, clockid, mode),

	TP_STRUCT__entry(
		__field( void *,		hrtimer		)
		__field( clockid_t,		clockid		)
		__field( enum hrtimer_mode,	mode		)
	),

	TP_fast_assign(
		__entry->hrtimer	= hrtimer;
		__entry->clockid	= clockid;
		__entry->mode		= mode;
	),

	TP_printk("hrtimer=%p clockid=%s mode=%s", __entry->hrtimer,
		  decode_clockid(__entry->clockid),
		  decode_hrtimer_mode(__entry->mode))
);

/**
 * hrtimer_start - called when the hrtimer is started
 * @hrtimer: pointer to struct hrtimer
 */
TRACE_EVENT(hrtimer_start,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer),

	TP_STRUCT__entry(
		__field( void *,	hrtimer		)
		__field( void *,	function	)
		__field( s64,		expires		)
		__field( s64,		softexpires	)
	),

	TP_fast_assign(
		__entry->hrtimer	= hrtimer;
		__entry->function	= hrtimer->function;
		__entry->expires	= hrtimer_get_expires(hrtimer);
		__entry->softexpires	= hrtimer_get_softexpires(hrtimer);
	),

	TP_printk("hrtimer=%p function=%pf expires=%llu softexpires=%llu",
		  __entry->hrtimer, __entry->function,
		  (unsigned long long) __entry->expires,
		  (unsigned long long) __entry->softexpires)
);

/**
 * hrtimer_expire_entry - called immediately before the hrtimer callback
 * @hrtimer:	pointer to struct hrtimer
 * @now:	pointer to variable which contains current time of the
 *		timers base.
 *
 * Allows to determine the timer latency.
 */
TRACE_EVENT(hrtimer_expire_entry,

	TP_PROTO(struct hrtimer *hrtimer, ktime_t *now),

	TP_ARGS(hrtimer, now),

	TP_STRUCT__entry(
		__field( void *,	hrtimer	)
		__field( s64,		now	)
		__field( void *,	function)
	),

	TP_fast_assign(
		__entry->hrtimer	= hrtimer;
		__entry->now		= *now;
		__entry->function	= hrtimer->function;
	),

	TP_printk("hrtimer=%p function=%pf now=%llu", __entry->hrtimer, __entry->function,
		  (unsigned long long) __entry->now)
);

DECLARE_EVENT_CLASS(hrtimer_class,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer),

	TP_STRUCT__entry(
		__field( void *,	hrtimer	)
	),

	TP_fast_assign(
		__entry->hrtimer	= hrtimer;
	),

	TP_printk("hrtimer=%p", __entry->hrtimer)
);

/**
 * hrtimer_expire_exit - called immediately after the hrtimer callback returns
 * @hrtimer:	pointer to struct hrtimer
 *
 * When used in combination with the hrtimer_expire_entry tracepoint we can
 * determine the runtime of the callback function.
 */
DEFINE_EVENT(hrtimer_class, hrtimer_expire_exit,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer)
);

/**
 * hrtimer_cancel - called when the hrtimer is canceled
 * @hrtimer:	pointer to struct hrtimer
 */
DEFINE_EVENT(hrtimer_class, hrtimer_cancel,

	TP_PROTO(struct hrtimer *hrtimer),

	TP_ARGS(hrtimer)
);

/**
 * itimer_state - called when itimer is started or canceled
 * @which:	name of the interval timer
 * @value:	the itimers value, itimer is canceled if value->it_value is
 *		zero, otherwise it is started
 * @expires:	the itimers expiry time
 */
TRACE_EVENT(itimer_state,

	TP_PROTO(int which, const struct itimerval *const value,
		 unsigned long long expires),

	TP_ARGS(which, value, expires),

	TP_STRUCT__entry(
		__field(	int,			which		)
		__field(	unsigned long long,	expires		)
		__field(	long,			value_sec	)
		__field(	long,			value_usec	)
		__field(	long,			interval_sec	)
		__field(	long,			interval_usec	)
	),

	TP_fast_assign(
		__entry->which		= which;
		__entry->expires	= expires;
		__entry->value_sec	= value->it_value.tv_sec;
		__entry->value_usec	= value->it_value.tv_usec;
		__entry->interval_sec	= value->it_interval.tv_sec;
		__entry->interval_usec	= value->it_interval.tv_usec;
	),

	TP_printk("which=%d expires=%llu it_value=%ld.%ld it_interval=%ld.%ld",
		  __entry->which, __entry->expires,
		  __entry->value_sec, __entry->value_usec,
		  __entry->interval_sec, __entry->interval_usec)
);

/**
 * itimer_expire - called when itimer expires
 * @which:	type of the interval timer
 * @pid:	pid of the process which owns the timer
 * @now:	current time, used to calculate the latency of itimer
 */
TRACE_EVENT(itimer_expire,

	TP_PROTO(int which, struct pid *pid, unsigned long long now),

	TP_ARGS(which, pid, now),

	TP_STRUCT__entry(
		__field( int ,			which	)
		__field( pid_t,			pid	)
		__field( unsigned long long,	now	)
	),

	TP_fast_assign(
		__entry->which	= which;
		__entry->now	= now;
		__entry->pid	= pid_nr(pid);
	),

	TP_printk("which=%d pid=%d now=%llu", __entry->which,
		  (int) __entry->pid, __entry->now)
);

#ifdef CONFIG_NO_HZ_COMMON

#define TICK_DEP_NAMES					\
		tick_dep_mask_name(NONE)		\
		tick_dep_name(POSIX_TIMER)		\
		tick_dep_name(PERF_EVENTS)		\
		tick_dep_name(SCHED)			\
		tick_dep_name_end(CLOCK_UNSTABLE)

#undef tick_dep_name
#undef tick_dep_mask_name
#undef tick_dep_name_end

/* The MASK will convert to their bits and they need to be processed too */
#define tick_dep_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \
	TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep);
#define tick_dep_name_end(sdep)  TRACE_DEFINE_ENUM(TICK_DEP_BIT_##sdep); \
	TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep);
/* NONE only has a mask defined for it */
#define tick_dep_mask_name(sdep) TRACE_DEFINE_ENUM(TICK_DEP_MASK_##sdep);

TICK_DEP_NAMES

#undef tick_dep_name
#undef tick_dep_mask_name
#undef tick_dep_name_end

#define tick_dep_name(sdep) { TICK_DEP_MASK_##sdep, #sdep },
#define tick_dep_mask_name(sdep) { TICK_DEP_MASK_##sdep, #sdep },
#define tick_dep_name_end(sdep) { TICK_DEP_MASK_##sdep, #sdep }

#define show_tick_dep_name(val)				\
	__print_symbolic(val, TICK_DEP_NAMES)

TRACE_EVENT(tick_stop,

	TP_PROTO(int success, int dependency),

	TP_ARGS(success, dependency),

	TP_STRUCT__entry(
		__field( int ,		success	)
		__field( int ,		dependency )
	),

	TP_fast_assign(
		__entry->success	= success;
		__entry->dependency	= dependency;
	),

	TP_printk("success=%d dependency=%s",  __entry->success, \
			show_tick_dep_name(__entry->dependency))
);
#endif

#endif /*  _TRACE_TIMER_H */

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

Filemanager

Name Type Size Permission Actions
9p.h File 5.1 KB 0644
afs.h File 13.13 KB 0644
alarmtimer.h File 2.04 KB 0644
asoc.h File 5.17 KB 0644
bcache.h File 10.9 KB 0644
block.h File 17.18 KB 0644
bpf.h File 8.23 KB 0644
bridge.h File 3.45 KB 0644
btrfs.h File 46.21 KB 0644
cgroup.h File 3.21 KB 0644
clk.h File 3.69 KB 0644
cma.h File 1.31 KB 0644
compaction.h File 7.76 KB 0644
context_tracking.h File 1.15 KB 0644
cpuhp.h File 1.83 KB 0644
devlink.h File 1.76 KB 0644
dma_fence.h File 1.66 KB 0644
ext4.h File 64.44 KB 0644
f2fs.h File 36.38 KB 0644
fib.h File 2.45 KB 0644
fib6.h File 1.82 KB 0644
filelock.h File 6.27 KB 0644
filemap.h File 2.74 KB 0644
fs.h File 946 B 0644
fs_dax.h File 8.26 KB 0644
fsi.h File 2.81 KB 0644
fsi_master_gpio.h File 1.54 KB 0644
gpio.h File 1.13 KB 0644
host1x.h File 5.77 KB 0644
hswadsp.h File 8.37 KB 0644
huge_memory.h File 4.33 KB 0644
i2c.h File 4.15 KB 0644
intel-sst.h File 2.51 KB 0644
intel_ish.h File 556 B 0644
iommu.h File 3.03 KB 0644
ipi.h File 1.88 KB 0644
irq.h File 3.8 KB 0644
irq_matrix.h File 4.94 KB 0644
jbd2.h File 9.79 KB 0644
kmem.h File 7.39 KB 0644
kvm.h File 9.03 KB 0644
libata.h File 11.57 KB 0644
lock.h File 1.7 KB 0644
mce.h File 1.85 KB 0644
mdio.h File 1.02 KB 0644
migrate.h File 2.42 KB 0644
mmc.h File 7.24 KB 0644
mmflags.h File 8.29 KB 0644
module.h File 2.78 KB 0644
napi.h File 1013 B 0644
net.h File 6.56 KB 0644
nilfs2.h File 5.2 KB 0644
nmi.h File 780 B 0644
oom.h File 3.88 KB 0644
page_isolation.h File 943 B 0644
page_ref.h File 2.99 KB 0644
pagemap.h File 2.14 KB 0644
percpu.h File 2.61 KB 0644
power.h File 11.35 KB 0644
power_cpu_migrate.h File 1.59 KB 0644
preemptirq.h File 1.95 KB 0644
printk.h File 786 B 0644
qdisc.h File 1.37 KB 0644
rcu.h File 24.64 KB 0644
regulator.h File 2.4 KB 0644
rpm.h File 2.34 KB 0644
rxrpc.h File 33.79 KB 0644
sched.h File 14.12 KB 0644
scsi.h File 12.32 KB 0644
signal.h File 3.43 KB 0644
skb.h File 1.38 KB 0644
smbus.h File 7.51 KB 0644
sock.h File 1.72 KB 0644
spi.h File 3.31 KB 0644
spmi.h File 3.24 KB 0644
sunrpc.h File 18.31 KB 0644
sunvnet.h File 3.06 KB 0644
swiotlb.h File 1.22 KB 0644
syscalls.h File 1.48 KB 0644
target.h File 7.52 KB 0644
task.h File 1.49 KB 0644
tcp.h File 6.57 KB 0644
thermal.h File 5.58 KB 0644
thermal_power_allocator.h File 3.22 KB 0644
thp.h File 2.09 KB 0644
timer.h File 9.58 KB 0644
tlb.h File 1.41 KB 0644
udp.h File 632 B 0644
ufs.h File 6.85 KB 0644
v4l2.h File 8.81 KB 0644
vb2.h File 1.73 KB 0644
vmscan.h File 12.47 KB 0644
vsock_virtio_transport_common.h File 3.49 KB 0644
wbt.h File 3.83 KB 0644
workqueue.h File 2.7 KB 0644
writeback.h File 19.81 KB 0644
xdp.h File 5.76 KB 0644
xen.h File 14.66 KB 0644