instrumentation/events/lttng-module/lttng-statedump.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM lttng_statedump
   3
   4 #if !defined(_TRACE_LTTNG_STATEDUMP_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_LTTNG_STATEDUMP_H
   6
   7 #include <linux/tracepoint.h>
   8 #include <linux/netlink.h>
   9 #include <linux/inet.h>
  10 #include <linux/ip.h>
  11 #include <linux/netdevice.h>
  12 #include <linux/inetdevice.h>
  13
  14 TRACE_EVENT(lttng_statedump_start,
  15         TP_PROTO(struct lttng_session *session),
  16         TP_ARGS(session),
  17         TP_STRUCT__entry(
  18         ),
  19         TP_fast_assign(
  20         ),
  21         TP_printk("")
  22 )
  23
  24 TRACE_EVENT(lttng_statedump_end,
  25         TP_PROTO(struct lttng_session *session),
  26         TP_ARGS(session),
  27         TP_STRUCT__entry(
  28         ),
  29         TP_fast_assign(
  30         ),
  31         TP_printk("")
  32 )
  33
  34 TRACE_EVENT(lttng_statedump_process_state,
  35         TP_PROTO(struct lttng_session *session,
  36                 struct task_struct *p,
  37                 int type, int mode, int submode, int status),
  38         TP_ARGS(session, p, type, mode, submode, status),
  39         TP_STRUCT__entry(
  40                 __field(pid_t, tid)
  41                 __field(pid_t, vtid)
  42                 __field(pid_t, pid)
  43                 __field(pid_t, vpid)
  44                 __field(pid_t, ppid)
  45                 __field(pid_t, vppid)
  46                 __array_text(char, name, TASK_COMM_LEN)
  47                 __field(int, type)
  48                 __field(int, mode)
  49                 __field(int, submode)
  50                 __field(int, status)
  51         ),
  52         TP_fast_assign(
  53                 tp_assign(tid, p->pid)
  54                 tp_assign(vtid, !p->nsproxy ? 0 : task_pid_vnr(p))
  55                 tp_assign(pid, p->tgid)
  56                 tp_assign(vpid, !p->nsproxy ? 0 : task_tgid_vnr(p))
  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;
  70
  71                                 rcu_read_lock();
  72                                 parent = rcu_dereference(current->real_parent);
  73                                 if (!parent->nsproxy)
  74                                         ret = 0;
  75                                 else
  76                                         ret = task_tgid_nr(parent);
  77                                 rcu_read_unlock();
  78                                 ret;
  79                         }))
  80                 tp_memcpy(name, p->comm, TASK_COMM_LEN)
  81                 tp_assign(type, type)
  82                 tp_assign(mode, mode)
  83                 tp_assign(submode, submode)
  84                 tp_assign(status, status)
  85         ),
  86         TP_printk("")
  87 )
  88
  89 TRACE_EVENT(lttng_statedump_file_descriptor,
  90         TP_PROTO(struct lttng_session *session,
  91                 struct task_struct *p, int fd, const char *filename),
  92         TP_ARGS(session, p, fd, filename),
  93         TP_STRUCT__entry(
  94                 __field(pid_t, pid)
  95                 __field(int, fd)
  96                 __string(filename, filename)
  97         ),
  98         TP_fast_assign(
  99                 tp_assign(pid, p->tgid)
 100                 tp_assign(fd, p->tgid)
 101                 tp_strcpy(filename, filename)
 102         ),
 103         TP_printk("")
 104 )
 105
 106 TRACE_EVENT(lttng_statedump_vm_map,
 107         TP_PROTO(struct lttng_session *session,
 108                 struct task_struct *p, struct vm_area_struct *map,
 109                 unsigned long inode),
 110         TP_ARGS(session, p, map, inode),
 111         TP_STRUCT__entry(
 112                 __field(pid_t, pid)
 113                 __field_hex(unsigned long, start)
 114                 __field_hex(unsigned long, end)
 115                 __field_hex(unsigned long, flags)
 116                 __field(unsigned long, inode)
 117                 __field(unsigned long, pgoff)
 118         ),
 119         TP_fast_assign(
 120                 tp_assign(pid, p->tgid)
 121                 tp_assign(start, map->vm_start)
 122                 tp_assign(end, map->vm_end)
 123                 tp_assign(flags, map->vm_flags)
 124                 tp_assign(inode, inode)
 125                 tp_assign(pgoff, map->vm_pgoff << PAGE_SHIFT)
 126         ),
 127         TP_printk("")
 128 )
 129
 130 TRACE_EVENT(lttng_statedump_network_interface,
 131         TP_PROTO(struct lttng_session *session,
 132                 struct net_device *dev, struct in_ifaddr *ifa),
 133         TP_ARGS(session, dev, ifa),
 134         TP_STRUCT__entry(
 135                 __string(name, dev->name)
 136                 __field_network_hex(uint32_t, address_ipv4)
 137         ),
 138         TP_fast_assign(
 139                 tp_strcpy(name, dev->name)
 140                 tp_assign(address_ipv4, ifa ? ifa->ifa_address : 0U)
 141         ),
 142         TP_printk("")
 143 )
 144
 145 /* Called with desc->lock held */
 146 TRACE_EVENT(lttng_statedump_interrupt,
 147         TP_PROTO(struct lttng_session *session,
 148                 unsigned int irq, const char *chip_name,
 149                 struct irqaction *action),
 150         TP_ARGS(session, irq, chip_name, action),
 151         TP_STRUCT__entry(
 152                 __field(unsigned int, irq)
 153                 __string(name, chip_name)
 154                 __string(action, action->name)
 155         ),
 156         TP_fast_assign(
 157                 tp_assign(irq, irq)
 158                 tp_strcpy(name, chip_name)
 159                 tp_strcpy(action, action->name)
 160         ),
 161         TP_printk("")
 162 )
 163
 164 #endif /*  _TRACE_LTTNG_STATEDUMP_H */
 165
 166 /* This part must be outside protection */
 167 #include "../../../probes/define_trace.h"