1 /* SPDX-License-Identifier: GPL-2.0-only */
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/user_namespace.h>
20 #ifndef LTTNG_MNT_NS_MISSING_HEADER
21 # ifndef ONCE_LTTNG_FS_MOUNT_H
22 # define ONCE_LTTNG_FS_MOUNT_H
23 # include <../fs/mount.h>
27 LTTNG_TRACEPOINT_EVENT(lttng_statedump_start
,
28 TP_PROTO(struct lttng_session
*session
),
33 LTTNG_TRACEPOINT_EVENT(lttng_statedump_end
,
34 TP_PROTO(struct lttng_session
*session
),
39 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state
,
40 TP_PROTO(struct lttng_session
*session
,
41 struct task_struct
*p
,
42 int type
, int mode
, int submode
, int status
,
43 struct files_struct
*files
),
44 TP_ARGS(session
, p
, type
, mode
, submode
, status
, files
),
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
))
63 ctf_integer_hex(struct files_struct
*, file_table_address
, files
)
67 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0))
68 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_cgroup_ns
,
69 TP_PROTO(struct lttng_session
*session
,
70 struct task_struct
*p
,
71 struct cgroup_namespace
*cgroup_ns
),
72 TP_ARGS(session
, p
, cgroup_ns
),
74 ctf_integer(pid_t
, tid
, p
->pid
)
75 ctf_integer(unsigned int, ns_inum
, cgroup_ns
? cgroup_ns
->ns
.inum
: 0)
80 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_ipc_ns
,
81 TP_PROTO(struct lttng_session
*session
,
82 struct task_struct
*p
,
83 struct ipc_namespace
*ipc_ns
),
84 TP_ARGS(session
, p
, ipc_ns
),
86 ctf_integer(pid_t
, tid
, p
->pid
)
87 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
88 ctf_integer(unsigned int, ns_inum
, ipc_ns
? ipc_ns
->ns
.inum
: 0)
93 #if !defined(LTTNG_MNT_NS_MISSING_HEADER)
94 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_mnt_ns
,
95 TP_PROTO(struct lttng_session
*session
,
96 struct task_struct
*p
,
97 struct mnt_namespace
*mnt_ns
),
98 TP_ARGS(session
, p
, mnt_ns
),
100 ctf_integer(pid_t
, tid
, p
->pid
)
101 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
102 ctf_integer(unsigned int, ns_inum
, mnt_ns
? mnt_ns
->ns
.inum
: 0)
108 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_net_ns
,
109 TP_PROTO(struct lttng_session
*session
,
110 struct task_struct
*p
,
112 TP_ARGS(session
, p
, net_ns
),
114 ctf_integer(pid_t
, tid
, p
->pid
)
115 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
116 ctf_integer(unsigned int, ns_inum
, net_ns
? net_ns
->ns
.inum
: 0)
121 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_pid_ns
,
122 TP_PROTO(struct lttng_session
*session
,
123 struct task_struct
*p
,
124 struct pid_namespace
*pid_ns
),
125 TP_ARGS(session
, p
, pid_ns
),
127 ctf_integer(pid_t
, tid
, p
->pid
)
128 ctf_integer(pid_t
, vtid
, pid_ns
? task_pid_nr_ns(p
, pid_ns
) : 0)
129 ctf_integer(pid_t
, vpid
, pid_ns
? task_tgid_nr_ns(p
, pid_ns
) : 0)
130 ctf_integer(pid_t
, vppid
,
132 struct task_struct
*parent
;
137 parent
= rcu_dereference(p
->real_parent
);
138 ret
= task_tgid_nr_ns(parent
, pid_ns
);
143 ctf_integer(int, ns_level
, pid_ns
? pid_ns
->level
: 0)
144 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
145 ctf_integer(unsigned int, ns_inum
, pid_ns
? pid_ns
->ns
.inum
: 0)
150 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_user_ns
,
151 TP_PROTO(struct lttng_session
*session
,
152 struct task_struct
*p
,
153 struct user_namespace
*user_ns
),
154 TP_ARGS(session
, p
, user_ns
),
156 ctf_integer(pid_t
, tid
, p
->pid
)
157 ctf_integer(uid_t
, vuid
, user_ns
? lttng_task_vuid(p
, user_ns
) : 0)
158 ctf_integer(gid_t
, vgid
, user_ns
? lttng_task_vgid(p
, user_ns
) : 0)
159 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
160 ctf_integer(int, ns_level
, user_ns
? user_ns
->level
: 0)
162 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
163 ctf_integer(unsigned int, ns_inum
, user_ns
? user_ns
->ns
.inum
: 0)
168 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_uts_ns
,
169 TP_PROTO(struct lttng_session
*session
,
170 struct task_struct
*p
,
171 struct uts_namespace
*uts_ns
),
172 TP_ARGS(session
, p
, uts_ns
),
174 ctf_integer(pid_t
, tid
, p
->pid
)
175 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
176 ctf_integer(unsigned int, ns_inum
, uts_ns
? uts_ns
->ns
.inum
: 0)
181 LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor
,
182 TP_PROTO(struct lttng_session
*session
,
183 struct files_struct
*files
,
184 int fd
, const char *filename
,
185 unsigned int flags
, fmode_t fmode
),
186 TP_ARGS(session
, files
, fd
, filename
, flags
, fmode
),
188 ctf_integer_hex(struct files_struct
*, file_table_address
, files
)
189 ctf_integer(int, fd
, fd
)
190 ctf_integer_oct(unsigned int, flags
, flags
)
191 ctf_integer_hex(fmode_t
, fmode
, fmode
)
192 ctf_string(filename
, filename
)
196 LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map
,
197 TP_PROTO(struct lttng_session
*session
,
198 struct task_struct
*p
, struct vm_area_struct
*map
,
199 unsigned long inode
),
200 TP_ARGS(session
, p
, map
, inode
),
202 ctf_integer(pid_t
, pid
, p
->tgid
)
203 ctf_integer_hex(unsigned long, start
, map
->vm_start
)
204 ctf_integer_hex(unsigned long, end
, map
->vm_end
)
205 ctf_integer_hex(unsigned long, flags
, map
->vm_flags
)
206 ctf_integer(unsigned long, inode
, inode
)
207 ctf_integer(unsigned long, pgoff
, map
->vm_pgoff
<< PAGE_SHIFT
)
211 LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface
,
212 TP_PROTO(struct lttng_session
*session
,
213 struct net_device
*dev
, struct in_ifaddr
*ifa
),
214 TP_ARGS(session
, dev
, ifa
),
216 ctf_string(name
, dev
->name
)
217 ctf_integer_network_hex(uint32_t, address_ipv4
,
218 ifa
? ifa
->ifa_address
: 0U)
222 LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device
,
223 TP_PROTO(struct lttng_session
*session
,
224 dev_t dev
, const char *diskname
),
225 TP_ARGS(session
, dev
, diskname
),
227 ctf_integer(dev_t
, dev
, dev
)
228 ctf_string(diskname
, diskname
)
232 /* Called with desc->lock held */
233 LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt
,
234 TP_PROTO(struct lttng_session
*session
,
235 unsigned int irq
, const char *chip_name
,
236 struct irqaction
*action
),
237 TP_ARGS(session
, irq
, chip_name
, action
),
239 ctf_integer(unsigned int, irq
, irq
)
240 ctf_string(name
, chip_name
)
241 ctf_string(action
, action
->name
? : "")
242 ctf_integer(pid_t
, tid
, action
->thread
? action
->thread
->pid
: 0)
246 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
248 #define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
250 LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology
,
251 TP_PROTO(struct lttng_session
*session
, struct cpuinfo_x86
*c
),
254 ctf_string(architecture
, "x86")
255 ctf_integer(uint16_t, cpu_id
, c
->cpu_index
)
256 ctf_string(vendor
, c
->x86_vendor_id
[0] ? c
->x86_vendor_id
: "unknown")
257 ctf_integer(uint8_t, family
, c
->x86
)
258 ctf_integer(uint8_t, model
, c
->x86_model
)
259 ctf_string(model_name
, c
->x86_model_id
[0] ? c
->x86_model_id
: "unknown")
260 ctf_integer(uint16_t, physical_id
, c
->phys_proc_id
)
261 ctf_integer(uint16_t, core_id
, c
->cpu_core_id
)
262 ctf_integer(uint16_t, cores
, c
->booted_cores
)
265 #endif /* CONFIG_X86_32 || CONFIG_X86_64 */
267 #endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */
269 /* This part must be outside protection */
270 #include <probes/define_trace.h>