[deliverable/lttng-modules.git] / instrumentation / events / lttng-module / lttng-statedump.h

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

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

#include <probes/lttng-tracepoint-event.h>
#include <linux/nsproxy.h>
#include <linux/cgroup.h>
#include <linux/ipc_namespace.h>
#include <net/net_namespace.h>
#include <linux/pid_namespace.h>
#include <linux/user_namespace.h>
#include <linux/utsname.h>
#include <linux/types.h>
#include <linux/version.h>
#include <wrapper/namespace.h>
#include <wrapper/user_namespace.h>

#ifndef LTTNG_MNT_NS_MISSING_HEADER
# ifndef ONCE_LTTNG_FS_MOUNT_H
#  define ONCE_LTTNG_FS_MOUNT_H
#  include <../fs/mount.h>
# endif
#endif

LTTNG_TRACEPOINT_EVENT(lttng_statedump_start,
	TP_PROTO(struct lttng_session *session),
	TP_ARGS(session),
	TP_FIELDS()
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_end,
	TP_PROTO(struct lttng_session *session),
	TP_ARGS(session),
	TP_FIELDS()
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		int type, int mode, int submode, int status),
	TP_ARGS(session, p, type, mode, submode, status),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(pid_t, pid, p->tgid)
		ctf_integer(pid_t, ppid,
			({
				pid_t ret;

				rcu_read_lock();
				ret = task_tgid_nr(p->real_parent);
				rcu_read_unlock();
				ret;
			}))
		ctf_array_text(char, name, p->comm, TASK_COMM_LEN)
		ctf_integer(int, type, type)
		ctf_integer(int, mode, mode)
		ctf_integer(int, submode, submode)
		ctf_integer(int, status, status)
		ctf_integer(unsigned int, cpu, task_cpu(p))
	)
)

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0))
LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_cgroup_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct cgroup_namespace *cgroup_ns),
	TP_ARGS(session, p, cgroup_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(unsigned int, ns_inum, cgroup_ns ? cgroup_ns->lttng_ns_inum : 0)
	)
)
#endif

LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_ipc_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct ipc_namespace *ipc_ns),
	TP_ARGS(session, p, ipc_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, ns_inum, ipc_ns ? ipc_ns->lttng_ns_inum : 0)
#endif
	)
)

#if !defined(LTTNG_MNT_NS_MISSING_HEADER)
LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_mnt_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct mnt_namespace *mnt_ns),
	TP_ARGS(session, p, mnt_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, ns_inum, mnt_ns ? mnt_ns->lttng_ns_inum : 0)
#endif
	)
)
#endif

LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_net_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct net *net_ns),
	TP_ARGS(session, p, net_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, ns_inum, net_ns ? net_ns->lttng_ns_inum : 0)
#endif
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_pid_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct pid_namespace *pid_ns),
	TP_ARGS(session, p, pid_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(pid_t, vtid, pid_ns ? task_pid_nr_ns(p, pid_ns) : 0)
		ctf_integer(pid_t, vpid, pid_ns ? task_tgid_nr_ns(p, pid_ns) : 0)
		ctf_integer(pid_t, vppid,
			({
				struct task_struct *parent;
				pid_t ret = 0;

				if (pid_ns) {
					rcu_read_lock();
					parent = rcu_dereference(p->real_parent);
					ret = task_tgid_nr_ns(parent, pid_ns);
					rcu_read_unlock();
				}
				ret;
			}))
		ctf_integer(int, ns_level, pid_ns ? pid_ns->level : 0)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, ns_inum, pid_ns ? pid_ns->lttng_ns_inum : 0)
#endif
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_user_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct user_namespace *user_ns),
	TP_ARGS(session, p, user_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
		ctf_integer(uid_t, vuid, user_ns ? lttng_task_vuid(p, user_ns) : 0)
		ctf_integer(gid_t, vgid, user_ns ? lttng_task_vgid(p, user_ns) : 0)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
		ctf_integer(int, ns_level, user_ns ? user_ns->level : 0)
#endif
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, ns_inum, user_ns ? user_ns->lttng_ns_inum : 0)
#endif
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_uts_ns,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p,
		struct uts_namespace *uts_ns),
	TP_ARGS(session, p, uts_ns),
	TP_FIELDS(
		ctf_integer(pid_t, tid, p->pid)
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
		ctf_integer(unsigned int, ns_inum, uts_ns ? uts_ns->lttng_ns_inum : 0)
#endif
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p, int fd, const char *filename,
		unsigned int flags, fmode_t fmode),
	TP_ARGS(session, p, fd, filename, flags, fmode),
	TP_FIELDS(
		ctf_integer(pid_t, pid, p->tgid)
		ctf_integer(int, fd, fd)
		ctf_integer_oct(unsigned int, flags, flags)
		ctf_integer_hex(fmode_t, fmode, fmode)
		ctf_string(filename, filename)
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map,
	TP_PROTO(struct lttng_session *session,
		struct task_struct *p, struct vm_area_struct *map,
		unsigned long inode),
	TP_ARGS(session, p, map, inode),
	TP_FIELDS(
		ctf_integer(pid_t, pid, p->tgid)
		ctf_integer_hex(unsigned long, start, map->vm_start)
		ctf_integer_hex(unsigned long, end, map->vm_end)
		ctf_integer_hex(unsigned long, flags, map->vm_flags)
		ctf_integer(unsigned long, inode, inode)
		ctf_integer(unsigned long, pgoff, map->vm_pgoff << PAGE_SHIFT)
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface,
	TP_PROTO(struct lttng_session *session,
		struct net_device *dev, struct in_ifaddr *ifa),
	TP_ARGS(session, dev, ifa),
	TP_FIELDS(
		ctf_string(name, dev->name)
		ctf_integer_network_hex(uint32_t, address_ipv4,
			ifa ? ifa->ifa_address : 0U)
	)
)

LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device,
	TP_PROTO(struct lttng_session *session,
		dev_t dev, const char *diskname),
	TP_ARGS(session, dev, diskname),
	TP_FIELDS(
		ctf_integer(dev_t, dev, dev)
		ctf_string(diskname, diskname)
	)
)

/* Called with desc->lock held */
LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt,
	TP_PROTO(struct lttng_session *session,
		unsigned int irq, const char *chip_name,
		struct irqaction *action),
	TP_ARGS(session, irq, chip_name, action),
	TP_FIELDS(
		ctf_integer(unsigned int, irq, irq)
		ctf_string(name, chip_name)
		ctf_string(action, action->name ? : "")
	)
)

#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)

#define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY

LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology,
	TP_PROTO(struct lttng_session *session, struct cpuinfo_x86 *c),
	TP_ARGS(session, c),
	TP_FIELDS(
		ctf_string(architecture, "x86")
		ctf_integer(uint16_t, cpu_id, c->cpu_index)
		ctf_string(vendor, c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown")
		ctf_integer(uint8_t, family, c->x86)
		ctf_integer(uint8_t, model, c->x86_model)
		ctf_string(model_name, c->x86_model_id[0] ? c->x86_model_id : "unknown")
		ctf_integer(uint16_t, physical_id, c->phys_proc_id)
		ctf_integer(uint16_t, core_id, c->cpu_core_id)
		ctf_integer(uint16_t, cores, c->booted_cores)
	)
)
#endif /* CONFIG_X86_32 || CONFIG_X86_64 */

#endif /*  LTTNG_TRACE_LTTNG_STATEDUMP_H */

/* This part must be outside protection */
#include <probes/define_trace.h>
Commit	Line	Data
	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#undef TRACE_SYSTEM
	3	#define TRACE_SYSTEM lttng_statedump
	4
	5	#if !defined(LTTNG_TRACE_LTTNG_STATEDUMP_H) \|\| defined(TRACE_HEADER_MULTI_READ)
	6	#define LTTNG_TRACE_LTTNG_STATEDUMP_H
	7
	8	#include <probes/lttng-tracepoint-event.h>
	9	#include <linux/nsproxy.h>
	10	#include <linux/cgroup.h>
	11	#include <linux/ipc_namespace.h>
	12	#include <net/net_namespace.h>
	13	#include <linux/pid_namespace.h>
	14	#include <linux/user_namespace.h>
	15	#include <linux/utsname.h>
	16	#include <linux/types.h>
	17	#include <linux/version.h>
	18	#include <wrapper/namespace.h>
	19	#include <wrapper/user_namespace.h>
	20
	21	#ifndef LTTNG_MNT_NS_MISSING_HEADER
	22	# ifndef ONCE_LTTNG_FS_MOUNT_H
	23	# define ONCE_LTTNG_FS_MOUNT_H
	24	# include <../fs/mount.h>
	25	# endif
	26	#endif
	27
	28	LTTNG_TRACEPOINT_EVENT(lttng_statedump_start,
	29	TP_PROTO(struct lttng_session *session),
	30	TP_ARGS(session),
	31	TP_FIELDS()
	32	)
	33
	34	LTTNG_TRACEPOINT_EVENT(lttng_statedump_end,
	35	TP_PROTO(struct lttng_session *session),
	36	TP_ARGS(session),
	37	TP_FIELDS()
	38	)
	39
	40	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state,
	41	TP_PROTO(struct lttng_session *session,
	42	struct task_struct *p,
	43	int type, int mode, int submode, int status),
	44	TP_ARGS(session, p, type, mode, submode, status),
	45	TP_FIELDS(
	46	ctf_integer(pid_t, tid, p->pid)
	47	ctf_integer(pid_t, pid, p->tgid)
	48	ctf_integer(pid_t, ppid,
	49	({
	50	pid_t ret;
	51
	52	rcu_read_lock();
	53	ret = task_tgid_nr(p->real_parent);
	54	rcu_read_unlock();
	55	ret;
	56	}))
	57	ctf_array_text(char, name, p->comm, TASK_COMM_LEN)
	58	ctf_integer(int, type, type)
	59	ctf_integer(int, mode, mode)
	60	ctf_integer(int, submode, submode)
	61	ctf_integer(int, status, status)
	62	ctf_integer(unsigned int, cpu, task_cpu(p))
	63	)
	64	)
	65
	66	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0))
	67	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_cgroup_ns,
	68	TP_PROTO(struct lttng_session *session,
	69	struct task_struct *p,
	70	struct cgroup_namespace *cgroup_ns),
	71	TP_ARGS(session, p, cgroup_ns),
	72	TP_FIELDS(
	73	ctf_integer(pid_t, tid, p->pid)
	74	ctf_integer(unsigned int, ns_inum, cgroup_ns ? cgroup_ns->lttng_ns_inum : 0)
	75	)
	76	)
	77	#endif
	78
	79	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_ipc_ns,
	80	TP_PROTO(struct lttng_session *session,
	81	struct task_struct *p,
	82	struct ipc_namespace *ipc_ns),
	83	TP_ARGS(session, p, ipc_ns),
	84	TP_FIELDS(
	85	ctf_integer(pid_t, tid, p->pid)
	86	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	87	ctf_integer(unsigned int, ns_inum, ipc_ns ? ipc_ns->lttng_ns_inum : 0)
	88	#endif
	89	)
	90	)
	91
	92	#if !defined(LTTNG_MNT_NS_MISSING_HEADER)
	93	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_mnt_ns,
	94	TP_PROTO(struct lttng_session *session,
	95	struct task_struct *p,
	96	struct mnt_namespace *mnt_ns),
	97	TP_ARGS(session, p, mnt_ns),
	98	TP_FIELDS(
	99	ctf_integer(pid_t, tid, p->pid)
	100	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	101	ctf_integer(unsigned int, ns_inum, mnt_ns ? mnt_ns->lttng_ns_inum : 0)
	102	#endif
	103	)
	104	)
	105	#endif
	106
	107	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_net_ns,
	108	TP_PROTO(struct lttng_session *session,
	109	struct task_struct *p,
	110	struct net *net_ns),
	111	TP_ARGS(session, p, net_ns),
	112	TP_FIELDS(
	113	ctf_integer(pid_t, tid, p->pid)
	114	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	115	ctf_integer(unsigned int, ns_inum, net_ns ? net_ns->lttng_ns_inum : 0)
	116	#endif
	117	)
	118	)
	119
	120	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_pid_ns,
	121	TP_PROTO(struct lttng_session *session,
	122	struct task_struct *p,
	123	struct pid_namespace *pid_ns),
	124	TP_ARGS(session, p, pid_ns),
	125	TP_FIELDS(
	126	ctf_integer(pid_t, tid, p->pid)
	127	ctf_integer(pid_t, vtid, pid_ns ? task_pid_nr_ns(p, pid_ns) : 0)
	128	ctf_integer(pid_t, vpid, pid_ns ? task_tgid_nr_ns(p, pid_ns) : 0)
	129	ctf_integer(pid_t, vppid,
	130	({
	131	struct task_struct *parent;
	132	pid_t ret = 0;
	133
	134	if (pid_ns) {
	135	rcu_read_lock();
	136	parent = rcu_dereference(p->real_parent);
	137	ret = task_tgid_nr_ns(parent, pid_ns);
	138	rcu_read_unlock();
	139	}
	140	ret;
	141	}))
	142	ctf_integer(int, ns_level, pid_ns ? pid_ns->level : 0)
	143	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	144	ctf_integer(unsigned int, ns_inum, pid_ns ? pid_ns->lttng_ns_inum : 0)
	145	#endif
	146	)
	147	)
	148
	149	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_user_ns,
	150	TP_PROTO(struct lttng_session *session,
	151	struct task_struct *p,
	152	struct user_namespace *user_ns),
	153	TP_ARGS(session, p, user_ns),
	154	TP_FIELDS(
	155	ctf_integer(pid_t, tid, p->pid)
	156	ctf_integer(uid_t, vuid, user_ns ? lttng_task_vuid(p, user_ns) : 0)
	157	ctf_integer(gid_t, vgid, user_ns ? lttng_task_vgid(p, user_ns) : 0)
	158	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
	159	ctf_integer(int, ns_level, user_ns ? user_ns->level : 0)
	160	#endif
	161	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	162	ctf_integer(unsigned int, ns_inum, user_ns ? user_ns->lttng_ns_inum : 0)
	163	#endif
	164	)
	165	)
	166
	167	LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_uts_ns,
	168	TP_PROTO(struct lttng_session *session,
	169	struct task_struct *p,
	170	struct uts_namespace *uts_ns),
	171	TP_ARGS(session, p, uts_ns),
	172	TP_FIELDS(
	173	ctf_integer(pid_t, tid, p->pid)
	174	#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
	175	ctf_integer(unsigned int, ns_inum, uts_ns ? uts_ns->lttng_ns_inum : 0)
	176	#endif
	177	)
	178	)
	179
	180	LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor,
	181	TP_PROTO(struct lttng_session *session,
	182	struct task_struct p, int fd, const char filename,
	183	unsigned int flags, fmode_t fmode),
	184	TP_ARGS(session, p, fd, filename, flags, fmode),
	185	TP_FIELDS(
	186	ctf_integer(pid_t, pid, p->tgid)
	187	ctf_integer(int, fd, fd)
	188	ctf_integer_oct(unsigned int, flags, flags)
	189	ctf_integer_hex(fmode_t, fmode, fmode)
	190	ctf_string(filename, filename)
	191	)
	192	)
	193
	194	LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map,
	195	TP_PROTO(struct lttng_session *session,
	196	struct task_struct p, struct vm_area_struct map,
	197	unsigned long inode),
	198	TP_ARGS(session, p, map, inode),
	199	TP_FIELDS(
	200	ctf_integer(pid_t, pid, p->tgid)
	201	ctf_integer_hex(unsigned long, start, map->vm_start)
	202	ctf_integer_hex(unsigned long, end, map->vm_end)
	203	ctf_integer_hex(unsigned long, flags, map->vm_flags)
	204	ctf_integer(unsigned long, inode, inode)
	205	ctf_integer(unsigned long, pgoff, map->vm_pgoff << PAGE_SHIFT)
	206	)
	207	)
	208
	209	LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface,
	210	TP_PROTO(struct lttng_session *session,
	211	struct net_device dev, struct in_ifaddr ifa),
	212	TP_ARGS(session, dev, ifa),
	213	TP_FIELDS(
	214	ctf_string(name, dev->name)
	215	ctf_integer_network_hex(uint32_t, address_ipv4,
	216	ifa ? ifa->ifa_address : 0U)
	217	)
	218	)
	219
	220	LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device,
	221	TP_PROTO(struct lttng_session *session,
	222	dev_t dev, const char *diskname),
	223	TP_ARGS(session, dev, diskname),
	224	TP_FIELDS(
	225	ctf_integer(dev_t, dev, dev)
	226	ctf_string(diskname, diskname)
	227	)
	228	)
	229
	230	/* Called with desc->lock held */
	231	LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt,
	232	TP_PROTO(struct lttng_session *session,
	233	unsigned int irq, const char *chip_name,
	234	struct irqaction *action),
	235	TP_ARGS(session, irq, chip_name, action),
	236	TP_FIELDS(
	237	ctf_integer(unsigned int, irq, irq)
	238	ctf_string(name, chip_name)
	239	ctf_string(action, action->name ? : "")
	240	)
	241	)
	242
	243	#if defined(CONFIG_X86_32) \|\| defined(CONFIG_X86_64)
	244
	245	#define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
	246
	247	LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology,
	248	TP_PROTO(struct lttng_session session, struct cpuinfo_x86 c),
	249	TP_ARGS(session, c),
	250	TP_FIELDS(
	251	ctf_string(architecture, "x86")
	252	ctf_integer(uint16_t, cpu_id, c->cpu_index)
	253	ctf_string(vendor, c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown")
	254	ctf_integer(uint8_t, family, c->x86)
	255	ctf_integer(uint8_t, model, c->x86_model)
	256	ctf_string(model_name, c->x86_model_id[0] ? c->x86_model_id : "unknown")
	257	ctf_integer(uint16_t, physical_id, c->phys_proc_id)
	258	ctf_integer(uint16_t, core_id, c->cpu_core_id)
	259	ctf_integer(uint16_t, cores, c->booted_cores)
	260	)
	261	)
	262	#endif /* CONFIG_X86_32 \|\| CONFIG_X86_64 */
	263
	264	#endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */
	265
	266	/* This part must be outside protection */
	267	#include <probes/define_trace.h>