| 1 | #undef TRACE_SYSTEM |
| 2 | #define TRACE_SYSTEM lttng_statedump |
| 3 | |
| 4 | #if !defined(LTTNG_TRACE_LTTNG_STATEDUMP_H) || defined(TRACE_HEADER_MULTI_READ) |
| 5 | #define LTTNG_TRACE_LTTNG_STATEDUMP_H |
| 6 | |
| 7 | #include <probes/lttng-tracepoint-event.h> |
| 8 | #include <linux/nsproxy.h> |
| 9 | #include <linux/pid_namespace.h> |
| 10 | #include <linux/types.h> |
| 11 | #include <lttng-kernel-version.h> |
| 12 | |
| 13 | |
| 14 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,19,0)) |
| 15 | #define lttng_proc_inum ns.inum |
| 16 | #else |
| 17 | #define lttng_proc_inum proc_inum |
| 18 | #endif |
| 19 | |
| 20 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_start, |
| 21 | TP_PROTO(struct lttng_session *session), |
| 22 | TP_ARGS(session), |
| 23 | TP_FIELDS() |
| 24 | ) |
| 25 | |
| 26 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_end, |
| 27 | TP_PROTO(struct lttng_session *session), |
| 28 | TP_ARGS(session), |
| 29 | TP_FIELDS() |
| 30 | ) |
| 31 | |
| 32 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_process_state, |
| 33 | TP_PROTO(struct lttng_session *session, |
| 34 | struct task_struct *p, |
| 35 | int type, int mode, int submode, int status, |
| 36 | struct pid_namespace *pid_ns), |
| 37 | TP_ARGS(session, p, type, mode, submode, status, pid_ns), |
| 38 | TP_FIELDS( |
| 39 | ctf_integer(pid_t, tid, p->pid) |
| 40 | ctf_integer(pid_t, vtid, pid_ns ? task_pid_nr_ns(p, pid_ns) : 0) |
| 41 | ctf_integer(pid_t, pid, p->tgid) |
| 42 | ctf_integer(pid_t, vpid, pid_ns ? task_tgid_nr_ns(p, pid_ns) : 0) |
| 43 | ctf_integer(pid_t, ppid, |
| 44 | ({ |
| 45 | pid_t ret; |
| 46 | |
| 47 | rcu_read_lock(); |
| 48 | ret = task_tgid_nr(p->real_parent); |
| 49 | rcu_read_unlock(); |
| 50 | ret; |
| 51 | })) |
| 52 | ctf_integer(pid_t, vppid, |
| 53 | ({ |
| 54 | struct task_struct *parent; |
| 55 | pid_t ret = 0; |
| 56 | |
| 57 | if (pid_ns) { |
| 58 | rcu_read_lock(); |
| 59 | parent = rcu_dereference(p->real_parent); |
| 60 | ret = task_tgid_nr_ns(parent, pid_ns); |
| 61 | rcu_read_unlock(); |
| 62 | } |
| 63 | ret; |
| 64 | })) |
| 65 | ctf_array_text(char, name, p->comm, TASK_COMM_LEN) |
| 66 | ctf_integer(int, type, type) |
| 67 | ctf_integer(int, mode, mode) |
| 68 | ctf_integer(int, submode, submode) |
| 69 | ctf_integer(int, status, status) |
| 70 | ctf_integer(int, ns_level, pid_ns ? pid_ns->level : 0) |
| 71 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,8,0)) |
| 72 | ctf_integer(unsigned int, ns_inum, pid_ns ? pid_ns->lttng_proc_inum : 0) |
| 73 | #endif |
| 74 | ctf_integer(unsigned int, cpu, task_cpu(p)) |
| 75 | ) |
| 76 | ) |
| 77 | |
| 78 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor, |
| 79 | TP_PROTO(struct lttng_session *session, |
| 80 | struct task_struct *p, int fd, const char *filename, |
| 81 | unsigned int flags, fmode_t fmode), |
| 82 | TP_ARGS(session, p, fd, filename, flags, fmode), |
| 83 | TP_FIELDS( |
| 84 | ctf_integer(pid_t, pid, p->tgid) |
| 85 | ctf_integer(int, fd, fd) |
| 86 | ctf_integer_oct(unsigned int, flags, flags) |
| 87 | ctf_integer_hex(fmode_t, fmode, fmode) |
| 88 | ctf_string(filename, filename) |
| 89 | ) |
| 90 | ) |
| 91 | |
| 92 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map, |
| 93 | TP_PROTO(struct lttng_session *session, |
| 94 | struct task_struct *p, struct vm_area_struct *map, |
| 95 | unsigned long inode), |
| 96 | TP_ARGS(session, p, map, inode), |
| 97 | TP_FIELDS( |
| 98 | ctf_integer(pid_t, pid, p->tgid) |
| 99 | ctf_integer_hex(unsigned long, start, map->vm_start) |
| 100 | ctf_integer_hex(unsigned long, end, map->vm_end) |
| 101 | ctf_integer_hex(unsigned long, flags, map->vm_flags) |
| 102 | ctf_integer(unsigned long, inode, inode) |
| 103 | ctf_integer(unsigned long, pgoff, map->vm_pgoff << PAGE_SHIFT) |
| 104 | ) |
| 105 | ) |
| 106 | |
| 107 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface, |
| 108 | TP_PROTO(struct lttng_session *session, |
| 109 | struct net_device *dev, struct in_ifaddr *ifa), |
| 110 | TP_ARGS(session, dev, ifa), |
| 111 | TP_FIELDS( |
| 112 | ctf_string(name, dev->name) |
| 113 | ctf_integer_network_hex(uint32_t, address_ipv4, |
| 114 | ifa ? ifa->ifa_address : 0U) |
| 115 | ) |
| 116 | ) |
| 117 | |
| 118 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device, |
| 119 | TP_PROTO(struct lttng_session *session, |
| 120 | dev_t dev, const char *diskname), |
| 121 | TP_ARGS(session, dev, diskname), |
| 122 | TP_FIELDS( |
| 123 | ctf_integer(dev_t, dev, dev) |
| 124 | ctf_string(diskname, diskname) |
| 125 | ) |
| 126 | ) |
| 127 | |
| 128 | /* Called with desc->lock held */ |
| 129 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt, |
| 130 | TP_PROTO(struct lttng_session *session, |
| 131 | unsigned int irq, const char *chip_name, |
| 132 | struct irqaction *action), |
| 133 | TP_ARGS(session, irq, chip_name, action), |
| 134 | TP_FIELDS( |
| 135 | ctf_integer(unsigned int, irq, irq) |
| 136 | ctf_string(name, chip_name) |
| 137 | ctf_string(action, action->name ? : "") |
| 138 | ) |
| 139 | ) |
| 140 | |
| 141 | #endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */ |
| 142 | |
| 143 | /* This part must be outside protection */ |
| 144 | #include <probes/define_trace.h> |