[lttng-modules.git] / include / instrumentation / events / writeback.h

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

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

#include <lttng/tracepoint-event.h>
#include <linux/tracepoint.h>
#include <linux/backing-dev.h>
#include <linux/writeback.h>
#include <lttng/kernel-version.h>

#ifndef _TRACE_WRITEBACK_DEF_
#define _TRACE_WRITEBACK_DEF_

/*
 * Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use
 * static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name
 * symbol which is not exported to GPL modules.
 */
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0))
static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
{
	return bdi_dev_name(bdi);
}
#else
static inline const char *lttng_bdi_dev_name(struct backing_dev_info *bdi)
{
	if (!bdi || !bdi->dev)
		return "(unknown)";
	return dev_name(bdi->dev);
}
#endif
#endif

/*
 * Keep this macro around to track changes in the valid values for `state`.
 * Eventually, we will have a enum to describe that field. If the macro is
 * changed by an upstream kernel, the fact that we have a redefinition here
 * will generate a compiler warning.
 */
#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
	LTTNG_KERNEL_RANGE(4,14,218, 4,15,0) ||			\
	LTTNG_KERNEL_RANGE(4,19,172, 4,20,0) ||			\
	LTTNG_KERNEL_RANGE(5,4,94, 5,5,0) ||			\
	LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,141, 4,16,0,0) ||	\
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
#define show_inode_state(state)					\
	__print_flags(state, "|",				\
		{I_DIRTY_SYNC,		"I_DIRTY_SYNC"},	\
		{I_DIRTY_DATASYNC,	"I_DIRTY_DATASYNC"},	\
		{I_DIRTY_PAGES,		"I_DIRTY_PAGES"},	\
		{I_NEW,			"I_NEW"},		\
		{I_WILL_FREE,		"I_WILL_FREE"},		\
		{I_FREEING,		"I_FREEING"},		\
		{I_CLEAR,		"I_CLEAR"},		\
		{I_SYNC,		"I_SYNC"},		\
		{I_DIRTY_TIME,		"I_DIRTY_TIME"},	\
		{I_REFERENCED,		"I_REFERENCED"}		\
	)
#else
#define show_inode_state(state)					\
	__print_flags(state, "|",				\
		{I_DIRTY_SYNC,		"I_DIRTY_SYNC"},	\
		{I_DIRTY_DATASYNC,	"I_DIRTY_DATASYNC"},	\
		{I_DIRTY_PAGES,		"I_DIRTY_PAGES"},	\
		{I_NEW,			"I_NEW"},		\
		{I_WILL_FREE,		"I_WILL_FREE"},		\
		{I_FREEING,		"I_FREEING"},		\
		{I_CLEAR,		"I_CLEAR"},		\
		{I_SYNC,		"I_SYNC"},		\
		{I_DIRTY_TIME,		"I_DIRTY_TIME"},	\
		{I_DIRTY_TIME_EXPIRED,	"I_DIRTY_TIME_EXPIRED"}, \
		{I_REFERENCED,		"I_REFERENCED"}		\
	)
#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) */

LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
	TP_PROTO(struct page *page, struct address_space *mapping),
	TP_ARGS(page, mapping),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(mapping ? inode_to_bdi(mapping->host) : NULL))
		ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
		ctf_integer(pgoff_t, index, page->index)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
	TP_PROTO(struct inode *inode, int flags),
	TP_ARGS(inode, flags),
	TP_FIELDS(
		/* may be called for files on pseudo FSes w/ unregistered bdi */
		ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
		ctf_integer(unsigned long, ino, inode->i_ino)
		ctf_integer(unsigned long, state, inode->i_state)
		ctf_integer(unsigned long, flags, flags)
	)
)
#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
	TP_PROTO(struct inode *inode, int flags), \
	TP_ARGS(inode, flags))
LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)

LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
	TP_PROTO(struct inode *inode, struct writeback_control *wbc),
	TP_ARGS(inode, wbc),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
		ctf_integer(unsigned long, ino, inode->i_ino)
		ctf_integer(int, sync_mode, wbc->sync_mode)
	)
)

#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
	TP_PROTO(struct inode *inode, struct writeback_control *wbc), \
	TP_ARGS(inode, wbc))
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)


LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
	TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work),
	TP_ARGS(wb, work),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(wb->bdi))
	)
)

#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
	TP_PROTO(struct bdi_writeback *wb, struct wb_writeback_work *work), \
	TP_ARGS(wb, work))

LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)

LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
	TP_PROTO(long pages_written),
	TP_ARGS(pages_written),
	TP_FIELDS(
		ctf_integer(long, pages, pages_written)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
	TP_PROTO(struct bdi_writeback *wb),
	TP_ARGS(wb),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(wb->bdi))
	)
)

#undef DEFINE_WRITEBACK_EVENT
#define DEFINE_WRITEBACK_EVENT(name) \
LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
	TP_PROTO(struct bdi_writeback *wb), \
	TP_ARGS(wb))

#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
	TP_PROTO(struct bdi_writeback *wb), \
	TP_ARGS(wb))

LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
	TP_PROTO(struct backing_dev_info *bdi),
	TP_ARGS(bdi),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(bdi))
	)
)

DEFINE_WRITEBACK_EVENT(writeback_nowork)
DEFINE_WRITEBACK_EVENT(writeback_wake_background)
DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
DEFINE_WRITEBACK_EVENT(writeback_thread_start)
DEFINE_WRITEBACK_EVENT(writeback_thread_stop)

LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
	TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),
	TP_ARGS(wbc, bdi),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(bdi))
		ctf_integer(long, nr_to_write, wbc->nr_to_write)
		ctf_integer(long, pages_skipped, wbc->pages_skipped)
		ctf_integer(int, sync_mode, wbc->sync_mode)
		ctf_integer(int, for_kupdate, wbc->for_kupdate)
		ctf_integer(int, for_background, wbc->for_background)
		ctf_integer(int, for_reclaim, wbc->for_reclaim)
		ctf_integer(int, range_cyclic, wbc->range_cyclic)
		ctf_integer(long, range_start, (long) wbc->range_start)
		ctf_integer(long, range_end, (long) wbc->range_end)
	)
)

#undef DEFINE_WBC_EVENT
#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
	TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi), \
	TP_ARGS(wbc, bdi))
LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) || \
	LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) || \
	LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) || \
	LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) || \
	LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) || \
	LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) || \
	LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) || \
	LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0) || \
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
	TP_PROTO(struct bdi_writeback *wb,
		 struct wb_writeback_work *work,
		 unsigned long dirtied_before,
		 int moved),
	TP_ARGS(wb, work, dirtied_before, moved),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(wb->bdi))
		ctf_integer(unsigned long, older, dirtied_before)
		ctf_integer(int, moved, moved)
	)
)
#else
LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
	TP_PROTO(struct bdi_writeback *wb,
		 struct wb_writeback_work *work,
		 int moved),
	TP_ARGS(wb, work, moved),
	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(wb->bdi))
		ctf_integer(int, moved, moved)
	)
)
#endif

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) || \
	LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,

	writeback_global_dirty_state,

	TP_PROTO(unsigned long background_thresh,
		 unsigned long dirty_thresh
	),

	TP_ARGS(background_thresh,
		dirty_thresh
	),

	TP_FIELDS(
		ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
		ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
		ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
		ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
		ctf_integer(unsigned long, background_thresh, background_thresh)
		ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
		ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
	)
)
#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,

	writeback_global_dirty_state,

	TP_PROTO(unsigned long background_thresh,
		 unsigned long dirty_thresh
	),

	TP_ARGS(background_thresh,
		dirty_thresh
	),

	TP_FIELDS(
		ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
		ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
		ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
		ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
		ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
		ctf_integer(unsigned long, background_thresh, background_thresh)
		ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
		ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
	)
)
#else
LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,

	writeback_global_dirty_state,

	TP_PROTO(unsigned long background_thresh,
		 unsigned long dirty_thresh
	),

	TP_ARGS(background_thresh,
		dirty_thresh
	),

	TP_FIELDS(
		ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
		ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
		ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
		ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
		ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
		ctf_integer(unsigned long, background_thresh, background_thresh)
		ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
		ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
	)
)
#endif

#define KBps(x)			((x) << (PAGE_SHIFT - 10))

LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,

	writeback_bdi_dirty_ratelimit,

	TP_PROTO(struct bdi_writeback *wb,
		 unsigned long dirty_rate,
		 unsigned long task_ratelimit),

	TP_ARGS(wb, dirty_rate, task_ratelimit),

	TP_FIELDS(
		ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
		ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
		ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
		ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
		ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
		ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
		ctf_integer(unsigned long, balanced_dirty_ratelimit,
					KBps(wb->bdi->wb.balanced_dirty_ratelimit))
	)
)

LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,

	writeback_balance_dirty_pages,

	TP_PROTO(struct bdi_writeback *wb,
		 unsigned long thresh,
		 unsigned long bg_thresh,
		 unsigned long dirty,
		 unsigned long bdi_thresh,
		 unsigned long bdi_dirty,
		 unsigned long dirty_ratelimit,
		 unsigned long task_ratelimit,
		 unsigned long dirtied,
		 unsigned long period,
		 long pause,
		 unsigned long start_time),

	TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
		dirty_ratelimit, task_ratelimit,
		dirtied, period, pause, start_time
	),

	TP_FIELDS(
		ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
		ctf_integer(unsigned long, limit, global_dirty_limit)
		ctf_integer(unsigned long, setpoint,
			(global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
		ctf_integer(unsigned long, dirty, dirty)
		ctf_integer(unsigned long, bdi_setpoint,
			((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
				bdi_thresh / (thresh + 1))
		ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
		ctf_integer(unsigned long, dirty_ratelimit,
			KBps(dirty_ratelimit))
		ctf_integer(unsigned long, task_ratelimit,
			KBps(task_ratelimit))
		ctf_integer(unsigned int, dirtied, dirtied)
		ctf_integer(unsigned int, dirtied_pause,
			current->nr_dirtied_pause)
		ctf_integer(unsigned long, paused,
			(jiffies - start_time) * 1000 / HZ)
		ctf_integer(long, pause, pause * 1000 / HZ)
		ctf_integer(unsigned long, period,
			period * 1000 / HZ)
		ctf_integer(long, think,
			current->dirty_paused_when == 0 ? 0 :
				(long)(jiffies - current->dirty_paused_when) * 1000/HZ)
	)
)

LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,

	TP_PROTO(struct inode *inode),
	TP_ARGS(inode),

	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
		ctf_integer(unsigned long, ino, inode->i_ino)
		ctf_integer(unsigned long, state, inode->i_state)
		ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
	)
)

LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,

	TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),

	TP_ARGS(usec_timeout, usec_delayed),

	TP_FIELDS(
		ctf_integer(unsigned int, usec_timeout, usec_timeout)
		ctf_integer(unsigned int, usec_delayed, usec_delayed)
	)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,

	TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),

	TP_ARGS(usec_timeout, usec_delayed)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,

	TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),

	TP_ARGS(usec_timeout, usec_delayed)
)

LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,

	TP_PROTO(struct inode *inode,
		 struct writeback_control *wbc,
		 unsigned long nr_to_write
	),

	TP_ARGS(inode, wbc, nr_to_write),

	TP_FIELDS(
		ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
		ctf_integer(unsigned long, ino, inode->i_ino)
		ctf_integer(unsigned long, state, inode->i_state)
		ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
		ctf_integer(unsigned long, writeback_index,
			inode->i_mapping->writeback_index)
		ctf_integer(long, nr_to_write, nr_to_write)
		ctf_integer(unsigned long, wrote,
			nr_to_write - wbc->nr_to_write)
	)
)

LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
	TP_PROTO(struct inode *inode,
		 struct writeback_control *wbc,
		 unsigned long nr_to_write),
	TP_ARGS(inode, wbc, nr_to_write)
)

#endif /* LTTNG_TRACE_WRITEBACK_H */

/* This part must be outside protection */
#include <lttng/define_trace.h>
Commit	Line	Data
b7cdc182	1	/* SPDX-License-Identifier: GPL-2.0-only */
b87700e3 AG	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM writeback
	4
3bc29f0a MD	5	#if !defined(LTTNG_TRACE_WRITEBACK_H) \|\| defined(TRACE_HEADER_MULTI_READ)
3bc29f0a MD	6	#define LTTNG_TRACE_WRITEBACK_H
b87700e3	7
3b4aafcb	8	#include <lttng/tracepoint-event.h>
aa634cd1	9	#include <linux/tracepoint.h>
b87700e3 AG	10	#include <linux/backing-dev.h>
b87700e3 AG	11	#include <linux/writeback.h>
5f4c791e	12	#include <lttng/kernel-version.h>
b87700e3 AG	13
	14	#ifndef _TRACE_WRITEBACK_DEF_
	15	#define _TRACE_WRITEBACK_DEF_
99a570c8	16
dbabd729 MD	17	/*
	18	* Use the GPL-exported bdi_dev_name introduced in kernel 5.7. Do not use
	19	* static inline bdi_dev_name in prior kernels because it uses the bdi_unknown_name
	20	* symbol which is not exported to GPL modules.
	21	*/
	22	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,7,0))
b1fdcb19 MD	23	static inline const char lttng_bdi_dev_name(struct backing_dev_info bdi)
	24	{
	25	return bdi_dev_name(bdi);
	26	}
	27	#else
	28	static inline const char lttng_bdi_dev_name(struct backing_dev_info bdi)
	29	{
	30	if (!bdi \|\| !bdi->dev)
	31	return "(unknown)";
	32	return dev_name(bdi->dev);
	33	}
	34	#endif
b87700e3 AG	35	#endif
b87700e3 AG	36
f26997df FD	37	/*
	38	* Keep this macro around to track changes in the valid values for `state`.
	39	* Eventually, we will have a enum to describe that field. If the macro is
	40	* changed by an upstream kernel, the fact that we have a redefinition here
	41	* will generate a compiler warning.
	42	*/
4140ad5d	43	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) \|\| \
758c244b MJ	44	LTTNG_KERNEL_RANGE(4,14,218, 4,15,0) \|\| \
	45	LTTNG_KERNEL_RANGE(4,19,172, 4,20,0) \|\| \
	46	LTTNG_KERNEL_RANGE(5,4,94, 5,5,0) \|\| \
05355f0b MJ	47	LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,141, 4,16,0,0) \|\| \
05355f0b MJ	48	LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
084a3c41 MJ	49	#define show_inode_state(state) \
	50	__print_flags(state, "\|", \
	51	{I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
	52	{I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
	53	{I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
	54	{I_NEW, "I_NEW"}, \
	55	{I_WILL_FREE, "I_WILL_FREE"}, \
	56	{I_FREEING, "I_FREEING"}, \
	57	{I_CLEAR, "I_CLEAR"}, \
	58	{I_SYNC, "I_SYNC"}, \
	59	{I_DIRTY_TIME, "I_DIRTY_TIME"}, \
	60	{I_REFERENCED, "I_REFERENCED"} \
	61	)
d8c1ffac	62	#else
99a570c8 MD	63	#define show_inode_state(state) \
	64	__print_flags(state, "\|", \
	65	{I_DIRTY_SYNC, "I_DIRTY_SYNC"}, \
	66	{I_DIRTY_DATASYNC, "I_DIRTY_DATASYNC"}, \
	67	{I_DIRTY_PAGES, "I_DIRTY_PAGES"}, \
	68	{I_NEW, "I_NEW"}, \
	69	{I_WILL_FREE, "I_WILL_FREE"}, \
	70	{I_FREEING, "I_FREEING"}, \
	71	{I_CLEAR, "I_CLEAR"}, \
	72	{I_SYNC, "I_SYNC"}, \
	73	{I_DIRTY_TIME, "I_DIRTY_TIME"}, \
	74	{I_DIRTY_TIME_EXPIRED, "I_DIRTY_TIME_EXPIRED"}, \
	75	{I_REFERENCED, "I_REFERENCED"} \
	76	)
d8c1ffac	77	#endif /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0)) */
99a570c8 MD	78
	79	LTTNG_TRACEPOINT_EVENT(writeback_dirty_page,
	80	TP_PROTO(struct page page, struct address_space mapping),
	81	TP_ARGS(page, mapping),
f127e61e	82	TP_FIELDS(
d8c1ffac	83	ctf_string(name, lttng_bdi_dev_name(mapping ? inode_to_bdi(mapping->host) : NULL))
f127e61e MD	84	ctf_integer(unsigned long, ino, mapping ? mapping->host->i_ino : 0)
f127e61e MD	85	ctf_integer(pgoff_t, index, page->index)
99a570c8 MD	86	)
	87	)
	88
	89	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_dirty_inode_template,
	90	TP_PROTO(struct inode *inode, int flags),
	91	TP_ARGS(inode, flags),
f127e61e	92	TP_FIELDS(
99a570c8	93	/* may be called for files on pseudo FSes w/ unregistered bdi */
d8c1ffac	94	ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
f127e61e MD	95	ctf_integer(unsigned long, ino, inode->i_ino)
	96	ctf_integer(unsigned long, state, inode->i_state)
	97	ctf_integer(unsigned long, flags, flags)
99a570c8 MD	98	)
	99	)
	100	#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(name) \
	101	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_dirty_inode_template, name, \
	102	TP_PROTO(struct inode *inode, int flags), \
	103	TP_ARGS(inode, flags))
	104	LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode_start)
	105	LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_dirty_inode)
	106	LTTNG_TRACEPOINT_EVENT_WRITEBACK_DIRTY_INODE_TEMPLATE(writeback_mark_inode_dirty)
	107
	108	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_write_inode_template,
	109	TP_PROTO(struct inode inode, struct writeback_control wbc),
	110	TP_ARGS(inode, wbc),
f127e61e	111	TP_FIELDS(
d8c1ffac	112	ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
f127e61e MD	113	ctf_integer(unsigned long, ino, inode->i_ino)
f127e61e MD	114	ctf_integer(int, sync_mode, wbc->sync_mode)
aa634cd1 JD	115	)
	116	)
	117
	118	#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(name) \
	119	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_write_inode_template, name, \
	120	TP_PROTO(struct inode inode, struct writeback_control wbc), \
	121	TP_ARGS(inode, wbc))
	122	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode_start)
	123	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WRITE_INODE(writeback_write_inode)
99a570c8	124
a40cb509 MD	125
	126	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_work_class,
	127	TP_PROTO(struct bdi_writeback wb, struct wb_writeback_work work),
	128	TP_ARGS(wb, work),
	129	TP_FIELDS(
b1fdcb19	130	ctf_string(name, lttng_bdi_dev_name(wb->bdi))
a40cb509 MD	131	)
	132	)
	133
a40cb509 MD	134	#define LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(name) \
	135	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_work_class, name, \
	136	TP_PROTO(struct bdi_writeback wb, struct wb_writeback_work work), \
	137	TP_ARGS(wb, work))
	138
3bc29f0a MD	139	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_nothread)
	140	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_queue)
	141	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_exec)
3bc29f0a MD	142	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_start)
	143	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_written)
	144	LTTNG_TRACEPOINT_EVENT_WRITEBACK_WORK_INSTANCE(writeback_wait)
b87700e3	145
3bc29f0a	146	LTTNG_TRACEPOINT_EVENT(writeback_pages_written,
b87700e3 AG	147	TP_PROTO(long pages_written),
b87700e3 AG	148	TP_ARGS(pages_written),
f127e61e MD	149	TP_FIELDS(
	150	ctf_integer(long, pages, pages_written)
	151	)
b87700e3 AG	152	)
b87700e3 AG	153
a40cb509 MD	154	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_class,
	155	TP_PROTO(struct bdi_writeback *wb),
	156	TP_ARGS(wb),
	157	TP_FIELDS(
b1fdcb19	158	ctf_string(name, lttng_bdi_dev_name(wb->bdi))
a40cb509 MD	159	)
	160	)
	161
	162	#undef DEFINE_WRITEBACK_EVENT
	163	#define DEFINE_WRITEBACK_EVENT(name) \
	164	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_class, name, \
	165	TP_PROTO(struct bdi_writeback *wb), \
	166	TP_ARGS(wb))
	167
	168	#define DEFINE_WRITEBACK_EVENT_MAP(name, map) \
	169	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_class, name, map, \
	170	TP_PROTO(struct bdi_writeback *wb), \
	171	TP_ARGS(wb))
	172
	173	LTTNG_TRACEPOINT_EVENT(writeback_bdi_register,
	174	TP_PROTO(struct backing_dev_info *bdi),
	175	TP_ARGS(bdi),
	176	TP_FIELDS(
b1fdcb19	177	ctf_string(name, lttng_bdi_dev_name(bdi))
a40cb509 MD	178	)
	179	)
	180
b87700e3	181	DEFINE_WRITEBACK_EVENT(writeback_nowork)
b87700e3	182	DEFINE_WRITEBACK_EVENT(writeback_wake_background)
b87700e3 AG	183	DEFINE_WRITEBACK_EVENT(writeback_wake_thread)
b87700e3 AG	184	DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread)
b87700e3 AG	185	DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister)
	186	DEFINE_WRITEBACK_EVENT(writeback_thread_start)
	187	DEFINE_WRITEBACK_EVENT(writeback_thread_stop)
b87700e3	188
3bc29f0a	189	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_wbc_class,
b87700e3 AG	190	TP_PROTO(struct writeback_control wbc, struct backing_dev_info bdi),
b87700e3 AG	191	TP_ARGS(wbc, bdi),
f127e61e	192	TP_FIELDS(
b1fdcb19	193	ctf_string(name, lttng_bdi_dev_name(bdi))
f127e61e MD	194	ctf_integer(long, nr_to_write, wbc->nr_to_write)
	195	ctf_integer(long, pages_skipped, wbc->pages_skipped)
	196	ctf_integer(int, sync_mode, wbc->sync_mode)
	197	ctf_integer(int, for_kupdate, wbc->for_kupdate)
	198	ctf_integer(int, for_background, wbc->for_background)
	199	ctf_integer(int, for_reclaim, wbc->for_reclaim)
	200	ctf_integer(int, range_cyclic, wbc->range_cyclic)
f127e61e MD	201	ctf_integer(long, range_start, (long) wbc->range_start)
	202	ctf_integer(long, range_end, (long) wbc->range_end)
	203	)
b87700e3 AG	204	)
b87700e3 AG	205
9cf29d3e	206	#undef DEFINE_WBC_EVENT
3bc29f0a MD	207	#define LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(name, map) \
3bc29f0a MD	208	LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(writeback_wbc_class, name, map, \
b87700e3 AG	209	TP_PROTO(struct writeback_control wbc, struct backing_dev_info bdi), \
b87700e3 AG	210	TP_ARGS(wbc, bdi))
3bc29f0a	211	LTTNG_TRACEPOINT_EVENT_WBC_INSTANCE(wbc_writepage, writeback_wbc_writepage)
b87700e3	212
5f4c791e	213	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,9,0) \|\| \
b6af46d1 MJ	214	LTTNG_KERNEL_RANGE(5,8,6, 5,9,0) \|\| \
	215	LTTNG_KERNEL_RANGE(5,4,62, 5,5,0) \|\| \
	216	LTTNG_KERNEL_RANGE(4,19,143, 4,20,0) \|\| \
	217	LTTNG_KERNEL_RANGE(4,14,196, 4,15,0) \|\| \
	218	LTTNG_KERNEL_RANGE(4,9,235, 4,10,0) \|\| \
da139c48	219	LTTNG_KERNEL_RANGE(4,4,235, 4,5,0) \|\| \
05355f0b MJ	220	LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,119, 4,16,0,0) \|\| \
05355f0b MJ	221	LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
817e02f9 MJ	222	LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
	223	TP_PROTO(struct bdi_writeback *wb,
	224	struct wb_writeback_work *work,
	225	unsigned long dirtied_before,
	226	int moved),
	227	TP_ARGS(wb, work, dirtied_before, moved),
	228	TP_FIELDS(
b1fdcb19	229	ctf_string(name, lttng_bdi_dev_name(wb->bdi))
817e02f9 MJ	230	ctf_integer(unsigned long, older, dirtied_before)
	231	ctf_integer(int, moved, moved)
	232	)
	233	)
d8c1ffac	234	#else
3bc29f0a	235	LTTNG_TRACEPOINT_EVENT(writeback_queue_io,
b87700e3	236	TP_PROTO(struct bdi_writeback *wb,
b87700e3	237	struct wb_writeback_work *work,
b87700e3	238	int moved),
b87700e3	239	TP_ARGS(wb, work, moved),
817e02f9	240	TP_FIELDS(
b1fdcb19	241	ctf_string(name, lttng_bdi_dev_name(wb->bdi))
817e02f9 MJ	242	ctf_integer(int, moved, moved)
	243	)
	244	)
817e02f9	245	#endif
b87700e3	246
fce87a6e MJ	247	#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0) \|\| \
fce87a6e MJ	248	LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
0b1facd4 MJ	249	LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
	250
	251	writeback_global_dirty_state,
	252
	253	TP_PROTO(unsigned long background_thresh,
	254	unsigned long dirty_thresh
	255	),
	256
	257	TP_ARGS(background_thresh,
	258	dirty_thresh
	259	),
	260
	261	TP_FIELDS(
	262	ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
	263	ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
	264	ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
	265	ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
	266	ctf_integer(unsigned long, background_thresh, background_thresh)
	267	ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
	268	ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
	269	)
	270	)
5f4c791e	271	#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,14,0))
7ceeb15d MJ	272	LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
	273
	274	writeback_global_dirty_state,
	275
	276	TP_PROTO(unsigned long background_thresh,
	277	unsigned long dirty_thresh
	278	),
	279
	280	TP_ARGS(background_thresh,
	281	dirty_thresh
	282	),
	283
	284	TP_FIELDS(
	285	ctf_integer(unsigned long, nr_dirty, global_node_page_state(NR_FILE_DIRTY))
	286	ctf_integer(unsigned long, nr_writeback, global_node_page_state(NR_WRITEBACK))
	287	ctf_integer(unsigned long, nr_unstable, global_node_page_state(NR_UNSTABLE_NFS))
	288	ctf_integer(unsigned long, nr_dirtied, global_node_page_state(NR_DIRTIED))
	289	ctf_integer(unsigned long, nr_written, global_node_page_state(NR_WRITTEN))
	290	ctf_integer(unsigned long, background_thresh, background_thresh)
	291	ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
	292	ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
	293	)
	294	)
d8c1ffac	295	#else
3bc29f0a	296	LTTNG_TRACEPOINT_EVENT_MAP(global_dirty_state,
9cf29d3e MD	297
9cf29d3e MD	298	writeback_global_dirty_state,
b87700e3 AG	299
	300	TP_PROTO(unsigned long background_thresh,
	301	unsigned long dirty_thresh
	302	),
	303
	304	TP_ARGS(background_thresh,
	305	dirty_thresh
	306	),
	307
f127e61e MD	308	TP_FIELDS(
	309	ctf_integer(unsigned long, nr_dirty, global_page_state(NR_FILE_DIRTY))
	310	ctf_integer(unsigned long, nr_writeback, global_page_state(NR_WRITEBACK))
	311	ctf_integer(unsigned long, nr_unstable, global_page_state(NR_UNSTABLE_NFS))
	312	ctf_integer(unsigned long, nr_dirtied, global_page_state(NR_DIRTIED))
	313	ctf_integer(unsigned long, nr_written, global_page_state(NR_WRITTEN))
	314	ctf_integer(unsigned long, background_thresh, background_thresh)
	315	ctf_integer(unsigned long, dirty_thresh, dirty_thresh)
	316	ctf_integer(unsigned long, dirty_limit, global_dirty_limit)
b87700e3 AG	317	)
	318	)
	319	#endif
	320
b87700e3 AG	321	#define KBps(x) ((x) << (PAGE_SHIFT - 10))
b87700e3 AG	322
a40cb509 MD	323	LTTNG_TRACEPOINT_EVENT_MAP(bdi_dirty_ratelimit,
	324
	325	writeback_bdi_dirty_ratelimit,
	326
	327	TP_PROTO(struct bdi_writeback *wb,
	328	unsigned long dirty_rate,
	329	unsigned long task_ratelimit),
	330
	331	TP_ARGS(wb, dirty_rate, task_ratelimit),
	332
	333	TP_FIELDS(
b1fdcb19	334	ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
a40cb509 MD	335	ctf_integer(unsigned long, write_bw, KBps(wb->bdi->wb.write_bandwidth))
	336	ctf_integer(unsigned long, avg_write_bw, KBps(wb->bdi->wb.avg_write_bandwidth))
	337	ctf_integer(unsigned long, dirty_rate, KBps(dirty_rate))
	338	ctf_integer(unsigned long, dirty_ratelimit, KBps(wb->bdi->wb.dirty_ratelimit))
	339	ctf_integer(unsigned long, task_ratelimit, KBps(task_ratelimit))
	340	ctf_integer(unsigned long, balanced_dirty_ratelimit,
	341	KBps(wb->bdi->wb.balanced_dirty_ratelimit))
	342	)
	343	)
	344
a40cb509 MD	345	LTTNG_TRACEPOINT_EVENT_MAP(balance_dirty_pages,
	346
	347	writeback_balance_dirty_pages,
	348
	349	TP_PROTO(struct bdi_writeback *wb,
	350	unsigned long thresh,
	351	unsigned long bg_thresh,
	352	unsigned long dirty,
	353	unsigned long bdi_thresh,
	354	unsigned long bdi_dirty,
	355	unsigned long dirty_ratelimit,
	356	unsigned long task_ratelimit,
	357	unsigned long dirtied,
	358	unsigned long period,
	359	long pause,
	360	unsigned long start_time),
	361
	362	TP_ARGS(wb, thresh, bg_thresh, dirty, bdi_thresh, bdi_dirty,
	363	dirty_ratelimit, task_ratelimit,
	364	dirtied, period, pause, start_time
	365	),
	366
	367	TP_FIELDS(
b1fdcb19	368	ctf_string(bdi, lttng_bdi_dev_name(wb->bdi))
a40cb509 MD	369	ctf_integer(unsigned long, limit, global_dirty_limit)
	370	ctf_integer(unsigned long, setpoint,
	371	(global_dirty_limit + (thresh + bg_thresh) / 2) / 2)
	372	ctf_integer(unsigned long, dirty, dirty)
	373	ctf_integer(unsigned long, bdi_setpoint,
	374	((global_dirty_limit + (thresh + bg_thresh) / 2) / 2) *
	375	bdi_thresh / (thresh + 1))
	376	ctf_integer(unsigned long, bdi_dirty, bdi_dirty)
	377	ctf_integer(unsigned long, dirty_ratelimit,
	378	KBps(dirty_ratelimit))
	379	ctf_integer(unsigned long, task_ratelimit,
	380	KBps(task_ratelimit))
	381	ctf_integer(unsigned int, dirtied, dirtied)
	382	ctf_integer(unsigned int, dirtied_pause,
	383	current->nr_dirtied_pause)
	384	ctf_integer(unsigned long, paused,
	385	(jiffies - start_time) * 1000 / HZ)
	386	ctf_integer(long, pause, pause * 1000 / HZ)
	387	ctf_integer(unsigned long, period,
	388	period * 1000 / HZ)
	389	ctf_integer(long, think,
	390	current->dirty_paused_when == 0 ? 0 :
	391	(long)(jiffies - current->dirty_paused_when) * 1000/HZ)
	392	)
	393	)
	394
3bc29f0a	395	LTTNG_TRACEPOINT_EVENT(writeback_sb_inodes_requeue,
b87700e3 AG	396
	397	TP_PROTO(struct inode *inode),
	398	TP_ARGS(inode),
	399
f127e61e	400	TP_FIELDS(
d8c1ffac	401	ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
f127e61e MD	402	ctf_integer(unsigned long, ino, inode->i_ino)
	403	ctf_integer(unsigned long, state, inode->i_state)
	404	ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
b87700e3 AG	405	)
b87700e3 AG	406	)
b87700e3	407
3bc29f0a	408	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_congest_waited_template,
b87700e3 AG	409
	410	TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
	411
	412	TP_ARGS(usec_timeout, usec_delayed),
	413
f127e61e MD	414	TP_FIELDS(
	415	ctf_integer(unsigned int, usec_timeout, usec_timeout)
	416	ctf_integer(unsigned int, usec_delayed, usec_delayed)
	417	)
b87700e3 AG	418	)
b87700e3 AG	419
3bc29f0a	420	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_congestion_wait,
b87700e3 AG	421
	422	TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
	423
	424	TP_ARGS(usec_timeout, usec_delayed)
	425	)
	426
3bc29f0a	427	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_congest_waited_template, writeback_wait_iff_congested,
b87700e3 AG	428
	429	TP_PROTO(unsigned int usec_timeout, unsigned int usec_delayed),
	430
	431	TP_ARGS(usec_timeout, usec_delayed)
	432	)
b87700e3	433
3bc29f0a	434	LTTNG_TRACEPOINT_EVENT_CLASS(writeback_single_inode_template,
b87700e3 AG	435
	436	TP_PROTO(struct inode *inode,
	437	struct writeback_control *wbc,
	438	unsigned long nr_to_write
	439	),
	440
	441	TP_ARGS(inode, wbc, nr_to_write),
	442
f127e61e	443	TP_FIELDS(
d8c1ffac	444	ctf_string(name, lttng_bdi_dev_name(inode_to_bdi(inode)))
f127e61e MD	445	ctf_integer(unsigned long, ino, inode->i_ino)
	446	ctf_integer(unsigned long, state, inode->i_state)
	447	ctf_integer(unsigned long, dirtied_when, inode->dirtied_when)
	448	ctf_integer(unsigned long, writeback_index,
	449	inode->i_mapping->writeback_index)
	450	ctf_integer(long, nr_to_write, nr_to_write)
	451	ctf_integer(unsigned long, wrote,
	452	nr_to_write - wbc->nr_to_write)
b87700e3 AG	453	)
	454	)
	455
3bc29f0a	456	LTTNG_TRACEPOINT_EVENT_INSTANCE(writeback_single_inode_template, writeback_single_inode,
b87700e3 AG	457	TP_PROTO(struct inode *inode,
	458	struct writeback_control *wbc,
	459	unsigned long nr_to_write),
	460	TP_ARGS(inode, wbc, nr_to_write)
	461	)
b87700e3	462
3bc29f0a	463	#endif /* LTTNG_TRACE_WRITEBACK_H */
b87700e3 AG	464
b87700e3 AG	465	/* This part must be outside protection */
3b4aafcb	466	#include <lttng/define_trace.h>