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

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