Cleanup: statedump process state event pid namespace fields
[lttng-modules.git] / instrumentation / events / lttng-module / lttng-statedump.h
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9f36eaed 1/* SPDX-License-Identifier: GPL-2.0 */
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2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM lttng_statedump
4
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5#if !defined(LTTNG_TRACE_LTTNG_STATEDUMP_H) || defined(TRACE_HEADER_MULTI_READ)
6#define LTTNG_TRACE_LTTNG_STATEDUMP_H
c337ddc2 7
6ec43db8 8#include <probes/lttng-tracepoint-event.h>
90fffd13 9#include <linux/nsproxy.h>
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10#include <linux/cgroup.h>
11#include <linux/ipc_namespace.h>
12#include <net/net_namespace.h>
73e8ba37 13#include <linux/pid_namespace.h>
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14#include <linux/user_namespace.h>
15#include <linux/utsname.h>
f0dbdefb 16#include <linux/types.h>
7bbf55ea 17#include <linux/version.h>
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18#include <wrapper/namespace.h>
19#include <wrapper/user_namespace.h>
7bbf55ea 20
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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
7bbf55ea 26#endif
c337ddc2 27
3bc29f0a 28LTTNG_TRACEPOINT_EVENT(lttng_statedump_start,
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29 TP_PROTO(struct lttng_session *session),
30 TP_ARGS(session),
f127e61e 31 TP_FIELDS()
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32)
33
3bc29f0a 34LTTNG_TRACEPOINT_EVENT(lttng_statedump_end,
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35 TP_PROTO(struct lttng_session *session),
36 TP_ARGS(session),
f127e61e 37 TP_FIELDS()
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38)
39
3bc29f0a 40LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state,
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41 TP_PROTO(struct lttng_session *session,
42 struct task_struct *p,
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43 int type, int mode, int submode, int status),
44 TP_ARGS(session, p, type, mode, submode, status),
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45 TP_FIELDS(
46 ctf_integer(pid_t, tid, p->pid)
f127e61e 47 ctf_integer(pid_t, pid, p->tgid)
f127e61e 48 ctf_integer(pid_t, ppid,
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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 }))
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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)
7a479375 62 ctf_integer(unsigned int, cpu, task_cpu(p))
f127e61e 63 )
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64)
65
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66#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,6,0))
67LTTNG_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
79LTTNG_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)
93LTTNG_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
107LTTNG_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
120LTTNG_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
149LTTNG_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
167LTTNG_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
3bc29f0a 180LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor,
c337ddc2 181 TP_PROTO(struct lttng_session *session,
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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),
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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 )
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192)
193
3bc29f0a 194LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map,
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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),
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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 )
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207)
208
3bc29f0a 209LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface,
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210 TP_PROTO(struct lttng_session *session,
211 struct net_device *dev, struct in_ifaddr *ifa),
212 TP_ARGS(session, dev, ifa),
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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 )
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218)
219
3bc29f0a 220LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device,
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221 TP_PROTO(struct lttng_session *session,
222 dev_t dev, const char *diskname),
223 TP_ARGS(session, dev, diskname),
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224 TP_FIELDS(
225 ctf_integer(dev_t, dev, dev)
226 ctf_string(diskname, diskname)
227 )
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228)
229
c337ddc2 230/* Called with desc->lock held */
3bc29f0a 231LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt,
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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),
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236 TP_FIELDS(
237 ctf_integer(unsigned int, irq, irq)
238 ctf_string(name, chip_name)
239 ctf_string(action, action->name ? : "")
240 )
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241)
242
502e4132 243#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
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244
245#define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
246
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247LTTNG_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
3bc29f0a 264#endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */
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265
266/* This part must be outside protection */
6ec43db8 267#include <probes/define_trace.h>
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