| 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 | |
| 12 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_start, |
| 13 | TP_PROTO(struct lttng_session *session), |
| 14 | TP_ARGS(session), |
| 15 | TP_STRUCT__entry( |
| 16 | ), |
| 17 | TP_fast_assign( |
| 18 | ), |
| 19 | TP_printk("") |
| 20 | ) |
| 21 | |
| 22 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_end, |
| 23 | TP_PROTO(struct lttng_session *session), |
| 24 | TP_ARGS(session), |
| 25 | TP_STRUCT__entry( |
| 26 | ), |
| 27 | TP_fast_assign( |
| 28 | ), |
| 29 | TP_printk("") |
| 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_STRUCT__entry( |
| 39 | __field(pid_t, tid) |
| 40 | __field(pid_t, vtid) |
| 41 | __field(pid_t, pid) |
| 42 | __field(pid_t, vpid) |
| 43 | __field(pid_t, ppid) |
| 44 | __field(pid_t, vppid) |
| 45 | __array_text(char, name, TASK_COMM_LEN) |
| 46 | __field(int, type) |
| 47 | __field(int, mode) |
| 48 | __field(int, submode) |
| 49 | __field(int, status) |
| 50 | __field(int, ns_level) |
| 51 | ), |
| 52 | TP_fast_assign( |
| 53 | tp_assign(tid, p->pid) |
| 54 | tp_assign(vtid, pid_ns ? task_pid_nr_ns(p, pid_ns) : 0) |
| 55 | tp_assign(pid, p->tgid) |
| 56 | tp_assign(vpid, pid_ns ? task_tgid_nr_ns(p, pid_ns) : 0) |
| 57 | tp_assign(ppid, |
| 58 | ({ |
| 59 | pid_t ret; |
| 60 | |
| 61 | rcu_read_lock(); |
| 62 | ret = task_tgid_nr(p->real_parent); |
| 63 | rcu_read_unlock(); |
| 64 | ret; |
| 65 | })) |
| 66 | tp_assign(vppid, |
| 67 | ({ |
| 68 | struct task_struct *parent; |
| 69 | pid_t ret = 0; |
| 70 | |
| 71 | if (pid_ns) { |
| 72 | rcu_read_lock(); |
| 73 | parent = rcu_dereference(p->real_parent); |
| 74 | ret = task_tgid_nr_ns(parent, pid_ns); |
| 75 | rcu_read_unlock(); |
| 76 | } |
| 77 | ret; |
| 78 | })) |
| 79 | tp_memcpy(name, p->comm, TASK_COMM_LEN) |
| 80 | tp_assign(type, type) |
| 81 | tp_assign(mode, mode) |
| 82 | tp_assign(submode, submode) |
| 83 | tp_assign(status, status) |
| 84 | tp_assign(ns_level, pid_ns ? pid_ns->level : 0) |
| 85 | ), |
| 86 | TP_printk("") |
| 87 | ) |
| 88 | |
| 89 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_file_descriptor, |
| 90 | TP_PROTO(struct lttng_session *session, |
| 91 | struct task_struct *p, int fd, const char *filename, |
| 92 | unsigned int flags, fmode_t fmode), |
| 93 | TP_ARGS(session, p, fd, filename, flags, fmode), |
| 94 | TP_STRUCT__entry( |
| 95 | __field(pid_t, pid) |
| 96 | __field(int, fd) |
| 97 | __field_oct(unsigned int, flags) |
| 98 | __field_hex(fmode_t, fmode) |
| 99 | __string(filename, filename) |
| 100 | ), |
| 101 | TP_fast_assign( |
| 102 | tp_assign(pid, p->tgid) |
| 103 | tp_assign(fd, fd) |
| 104 | tp_assign(flags, flags) |
| 105 | tp_assign(fmode, fmode) |
| 106 | tp_strcpy(filename, filename) |
| 107 | ), |
| 108 | TP_printk("") |
| 109 | ) |
| 110 | |
| 111 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_vm_map, |
| 112 | TP_PROTO(struct lttng_session *session, |
| 113 | struct task_struct *p, struct vm_area_struct *map, |
| 114 | unsigned long inode), |
| 115 | TP_ARGS(session, p, map, inode), |
| 116 | TP_STRUCT__entry( |
| 117 | __field(pid_t, pid) |
| 118 | __field_hex(unsigned long, start) |
| 119 | __field_hex(unsigned long, end) |
| 120 | __field_hex(unsigned long, flags) |
| 121 | __field(unsigned long, inode) |
| 122 | __field(unsigned long, pgoff) |
| 123 | ), |
| 124 | TP_fast_assign( |
| 125 | tp_assign(pid, p->tgid) |
| 126 | tp_assign(start, map->vm_start) |
| 127 | tp_assign(end, map->vm_end) |
| 128 | tp_assign(flags, map->vm_flags) |
| 129 | tp_assign(inode, inode) |
| 130 | tp_assign(pgoff, map->vm_pgoff << PAGE_SHIFT) |
| 131 | ), |
| 132 | TP_printk("") |
| 133 | ) |
| 134 | |
| 135 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_network_interface, |
| 136 | TP_PROTO(struct lttng_session *session, |
| 137 | struct net_device *dev, struct in_ifaddr *ifa), |
| 138 | TP_ARGS(session, dev, ifa), |
| 139 | TP_STRUCT__entry( |
| 140 | __string(name, dev->name) |
| 141 | __field_network_hex(uint32_t, address_ipv4) |
| 142 | ), |
| 143 | TP_fast_assign( |
| 144 | tp_strcpy(name, dev->name) |
| 145 | tp_assign(address_ipv4, ifa ? ifa->ifa_address : 0U) |
| 146 | ), |
| 147 | TP_printk("") |
| 148 | ) |
| 149 | |
| 150 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_block_device, |
| 151 | TP_PROTO(struct lttng_session *session, |
| 152 | dev_t dev, const char *diskname), |
| 153 | TP_ARGS(session, dev, diskname), |
| 154 | TP_STRUCT__entry( |
| 155 | __field(dev_t, dev) |
| 156 | __string(diskname, diskname) |
| 157 | ), |
| 158 | TP_fast_assign( |
| 159 | tp_assign(dev, dev) |
| 160 | tp_strcpy(diskname, diskname) |
| 161 | ), |
| 162 | TP_printk("") |
| 163 | ) |
| 164 | |
| 165 | /* Called with desc->lock held */ |
| 166 | LTTNG_TRACEPOINT_EVENT(lttng_statedump_interrupt, |
| 167 | TP_PROTO(struct lttng_session *session, |
| 168 | unsigned int irq, const char *chip_name, |
| 169 | struct irqaction *action), |
| 170 | TP_ARGS(session, irq, chip_name, action), |
| 171 | TP_STRUCT__entry( |
| 172 | __field(unsigned int, irq) |
| 173 | __string(name, chip_name) |
| 174 | __string(action, action->name ? : "") |
| 175 | ), |
| 176 | TP_fast_assign( |
| 177 | tp_assign(irq, irq) |
| 178 | tp_strcpy(name, chip_name) |
| 179 | tp_strcpy(action, action->name ? : "") |
| 180 | ), |
| 181 | TP_printk("") |
| 182 | ) |
| 183 | |
| 184 | #endif /* LTTNG_TRACE_LTTNG_STATEDUMP_H */ |
| 185 | |
| 186 | /* This part must be outside protection */ |
| 187 | #include "../../../probes/define_trace.h" |