1 /* SPDX-License-Identifier: GPL-2.0 */
3 #define TRACE_SYSTEM lttng_statedump
5 #if !defined(LTTNG_TRACE_LTTNG_STATEDUMP_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define LTTNG_TRACE_LTTNG_STATEDUMP_H
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>
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>
28 LTTNG_TRACEPOINT_EVENT(lttng_statedump_start
,
29 TP_PROTO(struct lttng_session
*session
),
34 LTTNG_TRACEPOINT_EVENT(lttng_statedump_end
,
35 TP_PROTO(struct lttng_session
*session
),
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
),
46 ctf_integer(pid_t
, tid
, p
->pid
)
47 ctf_integer(pid_t
, pid
, p
->tgid
)
48 ctf_integer(pid_t
, ppid
,
53 ret
= task_tgid_nr(p
->real_parent
);
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
))
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
),
73 ctf_integer(pid_t
, tid
, p
->pid
)
74 ctf_integer(unsigned int, ns_inum
, cgroup_ns
? cgroup_ns
->lttng_ns_inum
: 0)
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
),
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)
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
),
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)
107 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_net_ns
,
108 TP_PROTO(struct lttng_session
*session
,
109 struct task_struct
*p
,
111 TP_ARGS(session
, p
, net_ns
),
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)
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
),
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
,
131 struct task_struct
*parent
;
136 parent
= rcu_dereference(p
->real_parent
);
137 ret
= task_tgid_nr_ns(parent
, pid_ns
);
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)
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
),
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)
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)
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
),
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)
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
),
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
)
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
),
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
)
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
),
214 ctf_string(name
, dev
->name
)
215 ctf_integer_network_hex(uint32_t, address_ipv4
,
216 ifa
? ifa
->ifa_address
: 0U)
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
),
225 ctf_integer(dev_t
, dev
, dev
)
226 ctf_string(diskname
, diskname
)
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
),
237 ctf_integer(unsigned int, irq
, irq
)
238 ctf_string(name
, chip_name
)
239 ctf_string(action
, action
->name
? : "")
240 ctf_integer(pid_t
, tid
, action
->thread
? action
->thread
->pid
: 0)
244 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
246 #define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
248 LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology
,
249 TP_PROTO(struct lttng_session
*session
, struct cpuinfo_x86
*c
),
252 ctf_string(architecture
, "x86")
253 ctf_integer(uint16_t, cpu_id
, c
->cpu_index
)
254 ctf_string(vendor
, c
->x86_vendor_id
[0] ? c
->x86_vendor_id
: "unknown")
255 ctf_integer(uint8_t, family
, c
->x86
)
256 ctf_integer(uint8_t, model
, c
->x86_model
)
257 ctf_string(model_name
, c
->x86_model_id
[0] ? c
->x86_model_id
: "unknown")
258 ctf_integer(uint16_t, physical_id
, c
->phys_proc_id
)
259 ctf_integer(uint16_t, core_id
, c
->cpu_core_id
)
260 ctf_integer(uint16_t, cores
, c
->booted_cores
)
263 #endif /* CONFIG_X86_32 || CONFIG_X86_64 */
265 #endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */
267 /* This part must be outside protection */
268 #include <probes/define_trace.h>