FM / events

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/trace/events/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/trace/events

Name	Size	Mode	Actions
9p.h	5218	0644	edit dl rm
afs.h	17619	0644	edit dl rm
alarmtimer.h	2087	0644	edit dl rm
asoc.h	5300	0644	edit dl rm
avc.h	1292	0644	edit dl rm
bcache.h	11165	0644	edit dl rm
block.h	16779	0644	edit dl rm
bpf_test_run.h	1048	0644	edit dl rm
bridge.h	3509	0644	edit dl rm
btrfs.h	49763	0644	edit dl rm
cachefiles.h	8350	0644	edit dl rm
cgroup.h	4387	0644	edit dl rm
clk.h	3777	0644	edit dl rm
cma.h	1339	0644	edit dl rm
compaction.h	8089	0644	edit dl rm
context_tracking.h	1177	0644	edit dl rm
cpuhp.h	1871	0644	edit dl rm
damon.h	1162	0644	edit dl rm
devlink.h	7376	0644	edit dl rm
dma_fence.h	1700	0644	edit dl rm
ext4.h	68625	0644	edit dl rm
f2fs.h	37224	0644	edit dl rm
fib.h	2285	0644	edit dl rm
fib6.h	2423	0644	edit dl rm
filelock.h	7394	0644	edit dl rm
filemap.h	2804	0644	edit dl rm
fs.h	3373	0644	edit dl rm
fscache.h	15208	0644	edit dl rm
fsi.h	2880	0644	edit dl rm
fsi_master_gpio.h	1576	0644	edit dl rm
fs_dax.h	8456	0644	edit dl rm
gpio.h	1158	0644	edit dl rm
host1x.h	5798	0644	edit dl rm
huge_memory.h	4531	0644	edit dl rm
i2c.h	4254	0644	edit dl rm
ib_mad.h	12719	0644	edit dl rm
ib_umad.h	4095	0644	edit dl rm
initcall.h	1310	0644	edit dl rm
intel-sst.h	2571	0644	edit dl rm
intel_ifs.h	860	0644	edit dl rm
intel_iommu.h	2297	0644	edit dl rm
intel_ish.h	556	0644	edit dl rm
iocost.h	5044	0644	edit dl rm
iommu.h	3201	0644	edit dl rm
io_uring.h	12079	0644	edit dl rm
ipi.h	2956	0644	edit dl rm
irq.h	3889	0644	edit dl rm
irq_matrix.h	5055	0644	edit dl rm
iscsi.h	2336	0644	edit dl rm
jbd2.h	10487	0644	edit dl rm
kmem.h	7811	0644	edit dl rm
kvm.h	11423	0644	edit dl rm
kyber.h	2435	0644	edit dl rm
libata.h	11812	0644	edit dl rm
lock.h	1737	0644	edit dl rm
mce.h	1897	0644	edit dl rm
mdio.h	1048	0644	edit dl rm
migrate.h	1958	0644	edit dl rm
mlxsw.h	2682	0644	edit dl rm
mmc.h	7412	0644	edit dl rm
mmflags.h	8509	0644	edit dl rm
module.h	2851	0644	edit dl rm
mptcp.h	4374	0644	edit dl rm
napi.h	1013	0644	edit dl rm
neigh.h	5882	0644	edit dl rm
net.h	7210	0644	edit dl rm
netlink.h	490	0644	edit dl rm
net_probe_common.h	1235	0644	edit dl rm
nfs.h	13994	0644	edit dl rm
nilfs2.h	5326	0644	edit dl rm
nmi.h	780	0644	edit dl rm
objagg.h	4691	0644	edit dl rm
oom.h	3973	0644	edit dl rm
osnoise.h	3010	0644	edit dl rm
pagemap.h	2191	0644	edit dl rm
page_isolation.h	943	0644	edit dl rm
page_pool.h	2650	0644	edit dl rm
page_ref.h	3034	0644	edit dl rm
percpu.h	2669	0644	edit dl rm
power.h	12169	0644	edit dl rm
power_cpu_migrate.h	1625	0644	edit dl rm
preemptirq.h	2163	0644	edit dl rm
printk.h	786	0644	edit dl rm
pwc.h	1714	0644	edit dl rm
qdisc.h	3847	0644	edit dl rm
qla.h	937	0644	edit dl rm
qrtr.h	2604	0644	edit dl rm
random.h	7621	0644	edit dl rm
rcu.h	24866	0644	edit dl rm
rdma.h	4337	0644	edit dl rm
rdma_core.h	7193	0644	edit dl rm
regulator.h	2456	0644	edit dl rm
rpcgss.h	14712	0644	edit dl rm
rpcrdma.h	50120	0644	edit dl rm
rpm.h	2394	0644	edit dl rm
rseq.h	1288	0644	edit dl rm
rtc.h	3354	0644	edit dl rm
rxrpc.h	41684	0644	edit dl rm
sched.h	15300	0644	edit dl rm
scsi.h	12614	0644	edit dl rm
sctp.h	2634	0644	edit dl rm
signal.h	3486	0644	edit dl rm
siox.h	2041	0644	edit dl rm
skb.h	1863	0644	edit dl rm
smbus.h	7715	0644	edit dl rm
sock.h	4547	0644	edit dl rm
sof.h	3364	0644	edit dl rm
sof_intel.h	4131	0644	edit dl rm
spi.h	3387	0644	edit dl rm
spmi.h	3336	0644	edit dl rm
sunrpc.h	56806	0644	edit dl rm
sunrpc_base.h	474	0644	edit dl rm
sunvnet.h	3129	0644	edit dl rm
swiotlb.h	1050	0644	edit dl rm
syscalls.h	1512	0644	edit dl rm
target.h	7697	0644	edit dl rm
task.h	1526	0644	edit dl rm
tcp.h	7111	0644	edit dl rm
thermal.h	5559	0644	edit dl rm
thermal_power_allocator.h	3297	0644	edit dl rm
thp.h	2137	0644	edit dl rm
timer.h	10321	0644	edit dl rm
tlb.h	1439	0644	edit dl rm
udp.h	632	0644	edit dl rm
ufs.h	7670	0644	edit dl rm
v4l2.h	9018	0644	edit dl rm
vb2.h	1769	0644	edit dl rm
vmscan.h	12784	0644	edit dl rm
vsock_virtio_transport_common.h	3572	0644	edit dl rm
wbt.h	3907	0644	edit dl rm
workqueue.h	2793	0644	edit dl rm
writeback.h	23360	0644	edit dl rm
xdp.h	10050	0644	edit dl rm
xen.h	14889	0644	edit dl rm

Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/trace/events/io_uring.h (12079B)

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

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

#include <linux/tracepoint.h>

struct io_wq_work;

/**
 * io_uring_create - called after a new io_uring context was prepared
 *
 * @fd:			corresponding file descriptor
 * @ctx:		pointer to a ring context structure
 * @sq_entries:	actual SQ size
 * @cq_entries:	actual CQ size
 * @flags:		SQ ring flags, provided to io_uring_setup(2)
 *
 * Allows to trace io_uring creation and provide pointer to a context, that can
 * be used later to find correlated events.
 */
TRACE_EVENT(io_uring_create,

TP_PROTO(int fd, void *ctx, u32 sq_entries, u32 cq_entries, u32 flags),

TP_ARGS(fd, ctx, sq_entries, cq_entries, flags),

TP_STRUCT__entry (
		__field(  int,		fd			)
		__field(  void *,	ctx			)
		__field(  u32,		sq_entries	)
		__field(  u32,		cq_entries	)
		__field(  u32,		flags		)
	),

TP_fast_assign(
		__entry->fd			= fd;
		__entry->ctx		= ctx;
		__entry->sq_entries	= sq_entries;
		__entry->cq_entries	= cq_entries;
		__entry->flags		= flags;
	),

TP_printk("ring %p, fd %d sq size %d, cq size %d, flags %d",
			  __entry->ctx, __entry->fd, __entry->sq_entries,
			  __entry->cq_entries, __entry->flags)
);

/**
 * io_uring_register - called after a buffer/file/eventfd was succesfully
 * 					   registered for a ring
 *
 * @ctx:			pointer to a ring context structure
 * @opcode:			describes which operation to perform
 * @nr_user_files:	number of registered files
 * @nr_user_bufs:	number of registered buffers
 * @cq_ev_fd:		whether eventfs registered or not
 * @ret:			return code
 *
 * Allows to trace fixed files/buffers/eventfds, that could be registered to
 * avoid an overhead of getting references to them for every operation. This
 * event, together with io_uring_file_get, can provide a full picture of how
 * much overhead one can reduce via fixing.
 */
TRACE_EVENT(io_uring_register,

TP_PROTO(void *ctx, unsigned opcode, unsigned nr_files,
			 unsigned nr_bufs, bool eventfd, long ret),

TP_ARGS(ctx, opcode, nr_files, nr_bufs, eventfd, ret),

TP_STRUCT__entry (
		__field(  void *,	ctx			)
		__field(  unsigned,	opcode		)
		__field(  unsigned,	nr_files	)
		__field(  unsigned,	nr_bufs		)
		__field(  bool,		eventfd		)
		__field(  long,		ret			)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->opcode		= opcode;
		__entry->nr_files	= nr_files;
		__entry->nr_bufs	= nr_bufs;
		__entry->eventfd	= eventfd;
		__entry->ret		= ret;
	),

TP_printk("ring %p, opcode %d, nr_user_files %d, nr_user_bufs %d, "
			  "eventfd %d, ret %ld",
			  __entry->ctx, __entry->opcode, __entry->nr_files,
			  __entry->nr_bufs, __entry->eventfd, __entry->ret)
);

/**
 * io_uring_file_get - called before getting references to an SQE file
 *
 * @ctx:	pointer to a ring context structure
 * @fd:		SQE file descriptor
 *
 * Allows to trace out how often an SQE file reference is obtained, which can
 * help figuring out if it makes sense to use fixed files, or check that fixed
 * files are used correctly.
 */
TRACE_EVENT(io_uring_file_get,

TP_PROTO(void *ctx, int fd),

TP_ARGS(ctx, fd),

TP_STRUCT__entry (
		__field(  void *,	ctx	)
		__field(  int,		fd	)
	),

TP_fast_assign(
		__entry->ctx	= ctx;
		__entry->fd		= fd;
	),

TP_printk("ring %p, fd %d", __entry->ctx, __entry->fd)
);

/**
 * io_uring_queue_async_work - called before submitting a new async work
 *
 * @ctx:	pointer to a ring context structure
 * @hashed:	type of workqueue, hashed or normal
 * @req:	pointer to a submitted request
 * @work:	pointer to a submitted io_wq_work
 *
 * Allows to trace asynchronous work submission.
 */
TRACE_EVENT(io_uring_queue_async_work,

TP_PROTO(void *ctx, int rw, void * req, struct io_wq_work *work,
			 unsigned int flags),

TP_ARGS(ctx, rw, req, work, flags),

TP_STRUCT__entry (
		__field(  void *,				ctx		)
		__field(  int,					rw		)
		__field(  void *,				req		)
		__field(  struct io_wq_work *,		work	)
		__field(  unsigned int,			flags	)
	),

TP_fast_assign(
		__entry->ctx	= ctx;
		__entry->rw		= rw;
		__entry->req	= req;
		__entry->work	= work;
		__entry->flags	= flags;
	),

TP_printk("ring %p, request %p, flags %d, %s queue, work %p",
			  __entry->ctx, __entry->req, __entry->flags,
			  __entry->rw ? "hashed" : "normal", __entry->work)
);

/**
 * io_uring_defer - called when an io_uring request is deferred
 *
 * @ctx:	pointer to a ring context structure
 * @req:	pointer to a deferred request
 * @user_data:	user data associated with the request
 *
 * Allows to track deferred requests, to get an insight about what requests are
 * not started immediately.
 */
TRACE_EVENT(io_uring_defer,

TP_PROTO(void *ctx, void *req, unsigned long long user_data),

TP_ARGS(ctx, req, user_data),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  void *,	req		)
		__field(  unsigned long long, data	)
	),

TP_fast_assign(
		__entry->ctx	= ctx;
		__entry->req	= req;
		__entry->data	= user_data;
	),

TP_printk("ring %p, request %p user_data %llu", __entry->ctx,
			__entry->req, __entry->data)
);

/**
 * io_uring_link - called before the io_uring request added into link_list of
 * 				   another request
 *
 * @ctx:			pointer to a ring context structure
 * @req:			pointer to a linked request
 * @target_req:		pointer to a previous request, that would contain @req
 *
 * Allows to track linked requests, to understand dependencies between requests
 * and how does it influence their execution flow.
 */
TRACE_EVENT(io_uring_link,

TP_PROTO(void *ctx, void *req, void *target_req),

TP_ARGS(ctx, req, target_req),

TP_STRUCT__entry (
		__field(  void *,	ctx			)
		__field(  void *,	req			)
		__field(  void *,	target_req	)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->req		= req;
		__entry->target_req	= target_req;
	),

TP_printk("ring %p, request %p linked after %p",
			  __entry->ctx, __entry->req, __entry->target_req)
);

/**
 * io_uring_add_to_prev - called after a request was added into a previously
 * 						  submitted work
 *
 * @req:	pointer to a request, added to a previous
 * @ret:	whether or not it was completed successfully
 *
 * Allows to track merged work, to figure out how often requests are piggy
 * backed into other ones, changing the execution flow.
 */
TRACE_EVENT(io_uring_add_to_prev,

TP_PROTO(void *req, bool ret),

TP_ARGS(req, ret),

TP_STRUCT__entry (
		__field(  void *,	req	)
		__field(  bool,		ret	)
	),

TP_fast_assign(
		__entry->req	= req;
		__entry->ret	= ret;
	),

TP_printk("request %p, ret %d", __entry->req, __entry->ret)
);

/**
 * io_uring_cqring_wait - called before start waiting for an available CQE
 *
 * @ctx:		pointer to a ring context structure
 * @min_events:	minimal number of events to wait for
 *
 * Allows to track waiting for CQE, so that we can e.g. troubleshoot
 * situations, when an application wants to wait for an event, that never
 * comes.
 */
TRACE_EVENT(io_uring_cqring_wait,

TP_PROTO(void *ctx, int min_events),

TP_ARGS(ctx, min_events),

TP_STRUCT__entry (
		__field(  void *,	ctx			)
		__field(  int,		min_events	)
	),

TP_fast_assign(
		__entry->ctx	= ctx;
		__entry->min_events	= min_events;
	),

TP_printk("ring %p, min_events %d", __entry->ctx, __entry->min_events)
);

/**
 * io_uring_fail_link - called before failing a linked request
 *
 * @req:	request, which links were cancelled
 * @link:	cancelled link
 *
 * Allows to track linked requests cancellation, to see not only that some work
 * was cancelled, but also which request was the reason.
 */
TRACE_EVENT(io_uring_fail_link,

TP_PROTO(void *req, void *link),

TP_ARGS(req, link),

TP_STRUCT__entry (
		__field(  void *,	req		)
		__field(  void *,	link	)
	),

TP_fast_assign(
		__entry->req	= req;
		__entry->link	= link;
	),

TP_printk("request %p, link %p", __entry->req, __entry->link)
);

/**
 * io_uring_complete - called when completing an SQE
 *
 * @ctx:		pointer to a ring context structure
 * @user_data:		user data associated with the request
 * @res:		result of the request
 *
 */
TRACE_EVENT(io_uring_complete,

TP_PROTO(void *ctx, u64 user_data, long res),

TP_ARGS(ctx, user_data, res),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  u64,		user_data	)
		__field(  long,		res		)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->user_data	= user_data;
		__entry->res		= res;
	),

TP_printk("ring %p, user_data 0x%llx, result %ld",
			  __entry->ctx, (unsigned long long)__entry->user_data,
			  __entry->res)
);

/**
 * io_uring_submit_sqe - called before submitting one SQE
 *
 * @ctx:		pointer to a ring context structure
 * @opcode:		opcode of request
 * @user_data:		user data associated with the request
 * @force_nonblock:	whether a context blocking or not
 * @sq_thread:		true if sq_thread has submitted this SQE
 *
 * Allows to track SQE submitting, to understand what was the source of it, SQ
 * thread or io_uring_enter call.
 */
TRACE_EVENT(io_uring_submit_sqe,

TP_PROTO(void *ctx, u8 opcode, u64 user_data, bool force_nonblock,
		 bool sq_thread),

TP_ARGS(ctx, opcode, user_data, force_nonblock, sq_thread),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  u8,		opcode		)
		__field(  u64,		user_data	)
		__field(  bool,		force_nonblock	)
		__field(  bool,		sq_thread	)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->opcode		= opcode;
		__entry->user_data	= user_data;
		__entry->force_nonblock	= force_nonblock;
		__entry->sq_thread	= sq_thread;
	),

TP_printk("ring %p, op %d, data 0x%llx, non block %d, sq_thread %d",
			  __entry->ctx, __entry->opcode,
			  (unsigned long long) __entry->user_data,
			  __entry->force_nonblock, __entry->sq_thread)
);

TRACE_EVENT(io_uring_poll_arm,

TP_PROTO(void *ctx, u8 opcode, u64 user_data, int mask, int events),

TP_ARGS(ctx, opcode, user_data, mask, events),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  u8,		opcode		)
		__field(  u64,		user_data	)
		__field(  int,		mask		)
		__field(  int,		events		)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->opcode		= opcode;
		__entry->user_data	= user_data;
		__entry->mask		= mask;
		__entry->events		= events;
	),

TP_printk("ring %p, op %d, data 0x%llx, mask 0x%x, events 0x%x",
			  __entry->ctx, __entry->opcode,
			  (unsigned long long) __entry->user_data,
			  __entry->mask, __entry->events)
);

TRACE_EVENT(io_uring_poll_wake,

TP_PROTO(void *ctx, u8 opcode, u64 user_data, int mask),

TP_ARGS(ctx, opcode, user_data, mask),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  u8,		opcode		)
		__field(  u64,		user_data	)
		__field(  int,		mask		)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->opcode		= opcode;
		__entry->user_data	= user_data;
		__entry->mask		= mask;
	),

TP_printk("ring %p, op %d, data 0x%llx, mask 0x%x",
			  __entry->ctx, __entry->opcode,
			  (unsigned long long) __entry->user_data,
			  __entry->mask)
);

TRACE_EVENT(io_uring_task_add,

TP_PROTO(void *ctx, u8 opcode, u64 user_data, int mask),

TP_ARGS(ctx, opcode, user_data, mask),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  u8,		opcode		)
		__field(  u64,		user_data	)
		__field(  int,		mask		)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->opcode		= opcode;
		__entry->user_data	= user_data;
		__entry->mask		= mask;
	),

TP_printk("ring %p, op %d, data 0x%llx, mask %x",
			  __entry->ctx, __entry->opcode,
			  (unsigned long long) __entry->user_data,
			  __entry->mask)
);

TRACE_EVENT(io_uring_task_run,

TP_PROTO(void *ctx, u8 opcode, u64 user_data),

TP_ARGS(ctx, opcode, user_data),

TP_STRUCT__entry (
		__field(  void *,	ctx		)
		__field(  u8,		opcode		)
		__field(  u64,		user_data	)
	),

TP_fast_assign(
		__entry->ctx		= ctx;
		__entry->opcode		= opcode;
		__entry->user_data	= user_data;
	),

TP_printk("ring %p, op %d, data 0x%llx",
			  __entry->ctx, __entry->opcode,
			  (unsigned long long) __entry->user_data)
);

#endif /* _TRACE_IO_URING_H */

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

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