Add namespaces statedump

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

diff --git a/instrumentation/events/lttng-module/lttng-statedump.h b/instrumentation/events/lttng-module/lttng-statedump.h
index 14ec12779199d2762c16b2ac4f942ab9e85783a2..5ce94fa68dfc45a3f0b910428b3c5e0739ec88ed 100644 (file)
--- a/instrumentation/events/lttng-module/lttng-statedump.h
+++ b/instrumentation/events/lttng-module/lttng-statedump.h
@@ -7,15 +7,22 @@
 
 #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>
 
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,19,0))
-#define lttng_proc_inum ns.inum
-#else
-#define lttng_proc_inum proc_inum
+#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,
@@ -76,6 +83,120 @@ LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state,
        )
 )
 
+#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,