X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=include%2Finstrumentation%2Fevents%2Flttng-module%2Flttng-statedump.h;fp=include%2Finstrumentation%2Fevents%2Flttng-module%2Flttng-statedump.h;h=23fdd0e8094dbe3843ffeb3f5e9c46d796bc9270;hb=7c6d929d62a6e24fb1dbeaee5cd2c8afe77720b7;hp=0000000000000000000000000000000000000000;hpb=cf77d12083b5092eca8c6f9899ec0892756845aa;p=deliverable%2Flttng-modules.git

diff --git a/include/instrumentation/events/lttng-module/lttng-statedump.h b/include/instrumentation/events/lttng-module/lttng-statedump.h
new file mode 100644
index 00000000..23fdd0e8
--- /dev/null
+++ b/include/instrumentation/events/lttng-module/lttng-statedump.h
@@ -0,0 +1,271 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM lttng_statedump
+
+#if !defined(LTTNG_TRACE_LTTNG_STATEDUMP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_LTTNG_STATEDUMP_H
+
+#include <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>
+
+#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,
+	TP_PROTO(struct lttng_session *session),
+	TP_ARGS(session),
+	TP_FIELDS()
+)
+
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_end,
+	TP_PROTO(struct lttng_session *session),
+	TP_ARGS(session),
+	TP_FIELDS()
+)
+
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state,
+	TP_PROTO(struct lttng_session *session,
+		struct task_struct *p,
+		int type, int mode, int submode, int status,
+		struct files_struct *files),
+	TP_ARGS(session, p, type, mode, submode, status, files),
+	TP_FIELDS(
+		ctf_integer(pid_t, tid, p->pid)
+		ctf_integer(pid_t, pid, p->tgid)
+		ctf_integer(pid_t, ppid,
+			({
+				pid_t ret;
+
+				rcu_read_lock();
+				ret = task_tgid_nr(p->real_parent);
+				rcu_read_unlock();
+				ret;
+			}))
+		ctf_array_text(char, name, p->comm, TASK_COMM_LEN)
+		ctf_integer(int, type, type)
+		ctf_integer(int, mode, mode)
+		ctf_integer(int, submode, submode)
+		ctf_integer(int, status, status)
+		ctf_integer(unsigned int, cpu, task_cpu(p))
+		ctf_integer_hex(struct files_struct *, file_table_address, files)
+	)
+)
+
+#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 files_struct *files,
+		int fd, const char *filename,
+		unsigned int flags, fmode_t fmode),
+	TP_ARGS(session, files, fd, filename, flags, fmode),
+	TP_FIELDS(
+		ctf_integer_hex(struct files_struct *, file_table_address, files)
+		ctf_integer(int, fd, fd)
+		ctf_integer_oct(unsigned int, flags, flags)
+		ctf_integer_hex(fmode_t, fmode, fmode)
+		ctf_string(filename, filename)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map,
+	TP_PROTO(struct lttng_session *session,
+		struct task_struct *p, struct vm_area_struct *map,
+		unsigned long inode),
+	TP_ARGS(session, p, map, inode),
+	TP_FIELDS(
+		ctf_integer(pid_t, pid, p->tgid)
+		ctf_integer_hex(unsigned long, start, map->vm_start)
+		ctf_integer_hex(unsigned long, end, map->vm_end)
+		ctf_integer_hex(unsigned long, flags, map->vm_flags)
+		ctf_integer(unsigned long, inode, inode)
+		ctf_integer(unsigned long, pgoff, map->vm_pgoff << PAGE_SHIFT)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface,
+	TP_PROTO(struct lttng_session *session,
+		struct net_device *dev, struct in_ifaddr *ifa),
+	TP_ARGS(session, dev, ifa),
+	TP_FIELDS(
+		ctf_string(name, dev->name)
+		ctf_integer_network_hex(uint32_t, address_ipv4,
+			ifa ? ifa->ifa_address : 0U)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device,
+	TP_PROTO(struct lttng_session *session,
+		dev_t dev, const char *diskname),
+	TP_ARGS(session, dev, diskname),
+	TP_FIELDS(
+		ctf_integer(dev_t, dev, dev)
+		ctf_string(diskname, diskname)
+	)
+)
+
+/* Called with desc->lock held */
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt,
+	TP_PROTO(struct lttng_session *session,
+		unsigned int irq, const char *chip_name,
+		struct irqaction *action),
+	TP_ARGS(session, irq, chip_name, action),
+	TP_FIELDS(
+		ctf_integer(unsigned int, irq, irq)
+		ctf_string(name, chip_name)
+		ctf_string(action, action->name ? : "")
+		ctf_integer(pid_t, tid, action->thread ? action->thread->pid : 0)
+	)
+)
+
+#if defined(CONFIG_X86_32) || defined(CONFIG_X86_64)
+
+#define LTTNG_HAVE_STATEDUMP_CPU_TOPOLOGY
+
+LTTNG_TRACEPOINT_EVENT(lttng_statedump_cpu_topology,
+	TP_PROTO(struct lttng_session *session, struct cpuinfo_x86 *c),
+	TP_ARGS(session, c),
+	TP_FIELDS(
+		ctf_string(architecture, "x86")
+		ctf_integer(uint16_t, cpu_id, c->cpu_index)
+		ctf_string(vendor, c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown")
+		ctf_integer(uint8_t, family, c->x86)
+		ctf_integer(uint8_t, model, c->x86_model)
+		ctf_string(model_name, c->x86_model_id[0] ? c->x86_model_id : "unknown")
+		ctf_integer(uint16_t, physical_id, c->phys_proc_id)
+		ctf_integer(uint16_t, core_id, c->cpu_core_id)
+		ctf_integer(uint16_t, cores, c->booted_cores)
+	)
+)
+#endif /* CONFIG_X86_32 || CONFIG_X86_64 */
+
+#endif /*  LTTNG_TRACE_LTTNG_STATEDUMP_H */
+
+/* This part must be outside protection */
+#include <lttng/define_trace.h>