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 <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/user_namespace.h>
19 #include <lttng/kernel-version.h>
21 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \
22 LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
23 #include <linux/time_namespace.h>
26 #ifndef LTTNG_MNT_NS_MISSING_HEADER
27 # ifndef ONCE_LTTNG_FS_MOUNT_H
28 # define ONCE_LTTNG_FS_MOUNT_H
29 # include <../fs/mount.h>
33 LTTNG_TRACEPOINT_EVENT(lttng_statedump_start
,
34 TP_PROTO(struct lttng_kernel_session
*session
),
39 LTTNG_TRACEPOINT_EVENT(lttng_statedump_end
,
40 TP_PROTO(struct lttng_kernel_session
*session
),
45 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state
,
46 TP_PROTO(struct lttng_kernel_session
*session
,
47 struct task_struct
*p
,
48 int type
, int mode
, int submode
, int status
,
49 struct files_struct
*files
),
50 TP_ARGS(session
, p
, type
, mode
, submode
, status
, files
),
52 ctf_integer(pid_t
, tid
, p
->pid
)
53 ctf_integer(pid_t
, pid
, p
->tgid
)
54 ctf_integer(pid_t
, ppid
,
59 ret
= task_tgid_nr(p
->real_parent
);
63 ctf_array_text(char, name
, p
->comm
, TASK_COMM_LEN
)
64 ctf_integer(int, type
, type
)
65 ctf_integer(int, mode
, mode
)
66 ctf_integer(int, submode
, submode
)
67 ctf_integer(int, status
, status
)
68 ctf_integer(unsigned int, cpu
, task_cpu(p
))
69 ctf_integer_hex(struct files_struct
*, file_table_address
, files
)
73 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,6,0))
74 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_cgroup_ns
,
75 TP_PROTO(struct lttng_kernel_session
*session
,
76 struct task_struct
*p
,
77 struct cgroup_namespace
*cgroup_ns
),
78 TP_ARGS(session
, p
, cgroup_ns
),
80 ctf_integer(pid_t
, tid
, p
->pid
)
81 ctf_integer(unsigned int, ns_inum
, cgroup_ns
? cgroup_ns
->ns
.inum
: 0)
86 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_ipc_ns
,
87 TP_PROTO(struct lttng_kernel_session
*session
,
88 struct task_struct
*p
,
89 struct ipc_namespace
*ipc_ns
),
90 TP_ARGS(session
, p
, ipc_ns
),
92 ctf_integer(pid_t
, tid
, p
->pid
)
93 ctf_integer(unsigned int, ns_inum
, ipc_ns
? ipc_ns
->ns
.inum
: 0)
97 #if !defined(LTTNG_MNT_NS_MISSING_HEADER)
98 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_mnt_ns
,
99 TP_PROTO(struct lttng_kernel_session
*session
,
100 struct task_struct
*p
,
101 struct mnt_namespace
*mnt_ns
),
102 TP_ARGS(session
, p
, mnt_ns
),
104 ctf_integer(pid_t
, tid
, p
->pid
)
105 ctf_integer(unsigned int, ns_inum
, mnt_ns
? mnt_ns
->ns
.inum
: 0)
110 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_net_ns
,
111 TP_PROTO(struct lttng_kernel_session
*session
,
112 struct task_struct
*p
,
114 TP_ARGS(session
, p
, net_ns
),
116 ctf_integer(pid_t
, tid
, p
->pid
)
117 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_kernel_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 ctf_integer(unsigned int, ns_inum
, pid_ns
? pid_ns
->ns
.inum
: 0)
148 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_user_ns
,
149 TP_PROTO(struct lttng_kernel_session
*session
,
150 struct task_struct
*p
,
151 struct user_namespace
*user_ns
),
152 TP_ARGS(session
, p
, user_ns
),
154 ctf_integer(pid_t
, tid
, p
->pid
)
155 ctf_integer(uid_t
, vuid
, user_ns
? from_kuid_munged(user_ns
, task_cred_xxx(p
, uid
)) : 0)
156 ctf_integer(gid_t
, vgid
, user_ns
? from_kgid_munged(user_ns
, task_cred_xxx(p
, gid
)) : 0)
157 ctf_integer(int, ns_level
, user_ns
? user_ns
->level
: 0)
158 ctf_integer(unsigned int, ns_inum
, user_ns
? user_ns
->ns
.inum
: 0)
162 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_uts_ns
,
163 TP_PROTO(struct lttng_kernel_session
*session
,
164 struct task_struct
*p
,
165 struct uts_namespace
*uts_ns
),
166 TP_ARGS(session
, p
, uts_ns
),
168 ctf_integer(pid_t
, tid
, p
->pid
)
169 ctf_integer(unsigned int, ns_inum
, uts_ns
? uts_ns
->ns
.inum
: 0)
173 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \
174 LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0))
175 LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_time_ns
,
176 TP_PROTO(struct lttng_kernel_session
*session
,
177 struct task_struct
*p
,
178 struct time_namespace
*time_ns
),
179 TP_ARGS(session
, p
, time_ns
),
181 ctf_integer(pid_t
, tid
, p
->pid
)
182 ctf_integer(unsigned int, ns_inum
, time_ns
? time_ns
->ns
.inum
: 0)
187 LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor
,
188 TP_PROTO(struct lttng_kernel_session
*session
,
189 struct files_struct
*files
,
190 int fd
, const char *filename
,
191 unsigned int flags
, fmode_t fmode
),
192 TP_ARGS(session
, files
, fd
, filename
, flags
, fmode
),
194 ctf_integer_hex(struct files_struct
*, file_table_address
, files
)
195 ctf_integer(int, fd
, fd
)
196 ctf_integer_oct(unsigned int, flags
, flags
)
197 ctf_integer_hex(fmode_t
, fmode
, fmode
)
198 ctf_string(filename
, filename
)
202 LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map
,
203 TP_PROTO(struct lttng_kernel_session
*session
,
204 struct task_struct
*p
, struct vm_area_struct
*map
,
205 unsigned long inode
),
206 TP_ARGS(session
, p
, map
, inode
),
208 ctf_integer(pid_t
, pid
, p
->tgid
)
209 ctf_integer_hex(unsigned long, start
, map
->vm_start
)
210 ctf_integer_hex(unsigned long, end
, map
->vm_end
)
211 ctf_integer_hex(unsigned long, flags
, map
->vm_flags
)
212 ctf_integer(unsigned long, inode
, inode
)
213 ctf_integer(unsigned long, pgoff
, map
->vm_pgoff
<< PAGE_SHIFT
)
217 LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface
,
218 TP_PROTO(struct lttng_kernel_session
*session
,
219 struct net_device
*dev
, struct in_ifaddr
*ifa
),
220 TP_ARGS(session
, dev
, ifa
),
222 ctf_string(name
, dev
->name
)
223 ctf_integer_network_hex(uint32_t, address_ipv4
,
224 ifa
? ifa
->ifa_address
: 0U)
228 LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device
,
229 TP_PROTO(struct lttng_kernel_session
*session
,
230 dev_t dev
, const char *diskname
),
231 TP_ARGS(session
, dev
, diskname
),
233 ctf_integer(dev_t
, dev
, dev
)
234 ctf_string(diskname
, diskname
)
238 /* Called with desc->lock held */
239 LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt
,
240 TP_PROTO(struct lttng_kernel_session
*session
,
241 unsigned int irq
, const char *chip_name
,
242 struct irqaction
*action
),
243 TP_ARGS(session
, irq
, chip_name
, action
),
245 ctf_integer(unsigned int, irq
, irq
)
246 ctf_string(name
, chip_name
)
247 ctf_string(action
, action
->name
? : "")
248 ctf_integer(pid_t
, tid
, action
->thread
? action
->thread
->pid
: 0)
252 #if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
254 #define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
256 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,7,0))
257 LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology
,
258 TP_PROTO(struct lttng_kernel_session
*session
, struct cpuinfo_x86
*c
),
261 ctf_string(architecture
, "x86")
262 ctf_integer(uint16_t, cpu_id
, c
->cpu_index
)
263 ctf_string(vendor
, c
->x86_vendor_id
[0] ? c
->x86_vendor_id
: "unknown")
264 ctf_integer(uint8_t, family
, c
->x86
)
265 ctf_integer(uint8_t, model
, c
->x86_model
)
266 ctf_string(model_name
, c
->x86_model_id
[0] ? c
->x86_model_id
: "unknown")
267 ctf_integer(uint16_t, physical_id
, c
->topo
.pkg_id
)
268 ctf_integer(uint16_t, core_id
, c
->topo
.core_id
)
269 ctf_integer(uint16_t, cores
, c
->booted_cores
)
273 LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology
,
274 TP_PROTO(struct lttng_kernel_session
*session
, struct cpuinfo_x86
*c
),
277 ctf_string(architecture
, "x86")
278 ctf_integer(uint16_t, cpu_id
, c
->cpu_index
)
279 ctf_string(vendor
, c
->x86_vendor_id
[0] ? c
->x86_vendor_id
: "unknown")
280 ctf_integer(uint8_t, family
, c
->x86
)
281 ctf_integer(uint8_t, model
, c
->x86_model
)
282 ctf_string(model_name
, c
->x86_model_id
[0] ? c
->x86_model_id
: "unknown")
283 ctf_integer(uint16_t, physical_id
, c
->phys_proc_id
)
284 ctf_integer(uint16_t, core_id
, c
->cpu_core_id
)
285 ctf_integer(uint16_t, cores
, c
->booted_cores
)
288 #endif /* LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,7,0) */
290 #endif /* CONFIG_X86_32 || CONFIG_X86_64 */
292 #endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */
294 /* This part must be outside protection */
295 #include <lttng/define_trace.h>