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drwxr-xr-x
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drwxr-xr-x
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i386
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drwxr-xr-x
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x86_64
[ DIR ]
drwxr-xr-x
atomic.stp
1.53
KB
-rw-r--r--
aux_syscalls.stp
143.78
KB
-rw-r--r--
context-caller.stp
3.07
KB
-rw-r--r--
context-envvar.stp
1.72
KB
-rw-r--r--
context-symbols.stp
11.99
KB
-rw-r--r--
context-unwind.stp
2.81
KB
-rw-r--r--
context.stp
18.57
KB
-rw-r--r--
context.stpm
125
B
-rw-r--r--
conversions-guru.stp
5.74
KB
-rw-r--r--
conversions.stp
15.34
KB
-rw-r--r--
ctime.stp
5.54
KB
-rw-r--r--
dentry.stp
10.11
KB
-rw-r--r--
dev.stp
1.9
KB
-rw-r--r--
endian.stp
602
B
-rw-r--r--
guru-delay.stp
1.2
KB
-rw-r--r--
guru-signal.stp
1.07
KB
-rw-r--r--
inet.stp
1.42
KB
-rw-r--r--
inet.stpm
383
B
-rw-r--r--
inet_sock.stp
1.25
KB
-rw-r--r--
ioblock.stp
15.04
KB
-rw-r--r--
ioscheduler.stp
11.89
KB
-rw-r--r--
ip.stp
5.35
KB
-rw-r--r--
ipmib-filter-default.stp
965
B
-rw-r--r--
ipmib.stp
12.68
KB
-rw-r--r--
irq.stp
5
KB
-rw-r--r--
json.stp
8.98
KB
-rw-r--r--
json.stpm
6.11
KB
-rw-r--r--
kprocess.stp
4.4
KB
-rw-r--r--
kretprobe.stp
2.1
KB
-rw-r--r--
linuxmib-filter-default.stp
876
B
-rw-r--r--
linuxmib.stp
3.63
KB
-rw-r--r--
loadavg.stp
1.95
KB
-rw-r--r--
logging.stp
2.12
KB
-rw-r--r--
memory.stp
18.74
KB
-rw-r--r--
netfilter.stp
35.49
KB
-rw-r--r--
networking.stp
9.37
KB
-rw-r--r--
nfs.stp
38.06
KB
-rw-r--r--
nfs_proc.stp
55.46
KB
-rw-r--r--
nfs_proc.stpm
1.18
KB
-rw-r--r--
nfsd.stp
46.27
KB
-rw-r--r--
nfsderrno.stp
11.7
KB
-rw-r--r--
panic.stp
1.07
KB
-rw-r--r--
perf.stp
5.16
KB
-rw-r--r--
proc_mem.stp
12.05
KB
-rw-r--r--
pstrace.stp
773
B
-rw-r--r--
rcu.stp
928
B
-rw-r--r--
rlimit.stp
1.35
KB
-rw-r--r--
rpc.stp
37.67
KB
-rw-r--r--
scheduler.stp
11.36
KB
-rw-r--r--
scsi.stp
9.47
KB
-rw-r--r--
signal.stp
28.69
KB
-rw-r--r--
socket.stp
34.2
KB
-rw-r--r--
sysc_accept.stp
7.32
KB
-rw-r--r--
sysc_accept4.stp
7.24
KB
-rw-r--r--
sysc_access.stp
2.45
KB
-rw-r--r--
sysc_acct.stp
2.18
KB
-rw-r--r--
sysc_add_key.stp
2.91
KB
-rw-r--r--
sysc_adjtimex.stp
5.28
KB
-rw-r--r--
sysc_alarm.stp
2.52
KB
-rw-r--r--
sysc_bdflush.stp
2.75
KB
-rw-r--r--
sysc_bind.stp
6.43
KB
-rw-r--r--
sysc_bpf.stp
2.33
KB
-rw-r--r--
sysc_brk.stp
2.33
KB
-rw-r--r--
sysc_capget.stp
2.71
KB
-rw-r--r--
sysc_capset.stp
2.71
KB
-rw-r--r--
sysc_chdir.stp
2.23
KB
-rw-r--r--
sysc_chmod.stp
2.51
KB
-rw-r--r--
sysc_chown.stp
3.27
KB
-rw-r--r--
sysc_chown16.stp
2.61
KB
-rw-r--r--
sysc_chroot.stp
2.29
KB
-rw-r--r--
sysc_clock_adjtime.stp
4.72
KB
-rw-r--r--
sysc_clock_getres.stp
3.82
KB
-rw-r--r--
sysc_clock_gettime.stp
3.62
KB
-rw-r--r--
sysc_clock_nanosleep.stp
7.25
KB
-rw-r--r--
sysc_clock_settime.stp
5.02
KB
-rw-r--r--
sysc_clone.stp
6.19
KB
-rw-r--r--
sysc_close.stp
2.47
KB
-rw-r--r--
sysc_connect.stp
6.82
KB
-rw-r--r--
sysc_copy_file_range.stp
3.15
KB
-rw-r--r--
sysc_creat.stp
2.28
KB
-rw-r--r--
sysc_delete_module.stp
2.87
KB
-rw-r--r--
sysc_dup.stp
2.09
KB
-rw-r--r--
sysc_dup2.stp
2.63
KB
-rw-r--r--
sysc_dup3.stp
2.66
KB
-rw-r--r--
sysc_epoll_create.stp
5.29
KB
-rw-r--r--
sysc_epoll_ctl.stp
3.5
KB
-rw-r--r--
sysc_epoll_pwait.stp
3.49
KB
-rw-r--r--
sysc_epoll_wait.stp
4.33
KB
-rw-r--r--
sysc_eventfd.stp
4.86
KB
-rw-r--r--
sysc_execve.stp
6.11
KB
-rw-r--r--
sysc_execveat.stp
6.78
KB
-rw-r--r--
sysc_exit.stp
1.54
KB
-rw-r--r--
sysc_exit_group.stp
1.66
KB
-rw-r--r--
sysc_faccessat.stp
3.2
KB
-rw-r--r--
sysc_fadvise64.stp
7.43
KB
-rw-r--r--
sysc_fallocate.stp
3.29
KB
-rw-r--r--
sysc_fanotify_init.stp
3.02
KB
-rw-r--r--
sysc_fanotify_mark.stp
5.75
KB
-rw-r--r--
sysc_fchdir.stp
2.23
KB
-rw-r--r--
sysc_fchmod.stp
2.52
KB
-rw-r--r--
sysc_fchmodat.stp
3.2
KB
-rw-r--r--
sysc_fchown.stp
3.28
KB
-rw-r--r--
sysc_fchown16.stp
2.59
KB
-rw-r--r--
sysc_fchownat.stp
3.24
KB
-rw-r--r--
sysc_fcntl.stp
4.37
KB
-rw-r--r--
sysc_fdatasync.stp
2.39
KB
-rw-r--r--
sysc_fgetxattr.stp
2.94
KB
-rw-r--r--
sysc_finit_module.stp
2.86
KB
-rw-r--r--
sysc_flistxattr.stp
2.61
KB
-rw-r--r--
sysc_flock.stp
2.28
KB
-rw-r--r--
sysc_fork.stp
2.53
KB
-rw-r--r--
sysc_fremovexattr.stp
2.73
KB
-rw-r--r--
sysc_fsetxattr.stp
3.34
KB
-rw-r--r--
sysc_fstat.stp
5.76
KB
-rw-r--r--
sysc_fstatat.stp
5.21
KB
-rw-r--r--
sysc_fstatfs.stp
2.94
KB
-rw-r--r--
sysc_fstatfs64.stp
2.86
KB
-rw-r--r--
sysc_fsync.stp
2.18
KB
-rw-r--r--
sysc_ftruncate.stp
5.54
KB
-rw-r--r--
sysc_futex.stp
5.11
KB
-rw-r--r--
sysc_futimesat.stp
5.91
KB
-rw-r--r--
sysc_get_mempolicy.stp
4.1
KB
-rw-r--r--
sysc_get_robust_list.stp
4.12
KB
-rw-r--r--
sysc_getcpu.stp
2.63
KB
-rw-r--r--
sysc_getcwd.stp
2.43
KB
-rw-r--r--
sysc_getdents.stp
5.18
KB
-rw-r--r--
sysc_getegid.stp
3.46
KB
-rw-r--r--
sysc_geteuid.stp
3.4
KB
-rw-r--r--
sysc_getgid.stp
3.32
KB
-rw-r--r--
sysc_getgroups.stp
3.91
KB
-rw-r--r--
sysc_gethostname.stp
1.22
KB
-rw-r--r--
sysc_getitimer.stp
4.87
KB
-rw-r--r--
sysc_getpeername.stp
7.01
KB
-rw-r--r--
sysc_getpgid.stp
2.6
KB
-rw-r--r--
sysc_getpgrp.stp
2.04
KB
-rw-r--r--
sysc_getpid.stp
1.98
KB
-rw-r--r--
sysc_getppid.stp
2.06
KB
-rw-r--r--
sysc_getpriority.stp
2.62
KB
-rw-r--r--
sysc_getrandom.stp
2.72
KB
-rw-r--r--
sysc_getresgid.stp
3.73
KB
-rw-r--r--
sysc_getresuid.stp
3.54
KB
-rw-r--r--
sysc_getrlimit.stp
4.08
KB
-rw-r--r--
sysc_getrusage.stp
3.45
KB
-rw-r--r--
sysc_getsid.stp
2.26
KB
-rw-r--r--
sysc_getsockname.stp
7.03
KB
-rw-r--r--
sysc_getsockopt.stp
7.88
KB
-rw-r--r--
sysc_gettid.stp
2.01
KB
-rw-r--r--
sysc_gettimeofday.stp
3.7
KB
-rw-r--r--
sysc_getuid.stp
3.35
KB
-rw-r--r--
sysc_getxattr.stp
3
KB
-rw-r--r--
sysc_init_module.stp
2.76
KB
-rw-r--r--
sysc_inotify_add_watch.stp
3.25
KB
-rw-r--r--
sysc_inotify_init.stp
5.26
KB
-rw-r--r--
sysc_inotify_rm_watch.stp
2.89
KB
-rw-r--r--
sysc_io_cancel.stp
2.85
KB
-rw-r--r--
sysc_io_destroy.stp
2.5
KB
-rw-r--r--
sysc_io_getevents.stp
4.25
KB
-rw-r--r--
sysc_io_setup.stp
3.43
KB
-rw-r--r--
sysc_io_submit.stp
3.46
KB
-rw-r--r--
sysc_ioctl.stp
3.12
KB
-rw-r--r--
sysc_ioperm.stp
2.41
KB
-rw-r--r--
sysc_ioprio_get.stp
2.65
KB
-rw-r--r--
sysc_ioprio_set.stp
2.82
KB
-rw-r--r--
sysc_kcmp.stp
2.51
KB
-rw-r--r--
sysc_kexec_file_load.stp
3.35
KB
-rw-r--r--
sysc_kexec_load.stp
3.96
KB
-rw-r--r--
sysc_keyctl.stp
3.16
KB
-rw-r--r--
sysc_kill.stp
2.25
KB
-rw-r--r--
sysc_lchown.stp
3.34
KB
-rw-r--r--
sysc_lchown16.stp
2.66
KB
-rw-r--r--
sysc_lgetxattr.stp
3.05
KB
-rw-r--r--
sysc_link.stp
2.34
KB
-rw-r--r--
sysc_linkat.stp
3.26
KB
-rw-r--r--
sysc_listen.stp
6.17
KB
-rw-r--r--
sysc_listxattr.stp
2.72
KB
-rw-r--r--
sysc_llistxattr.stp
2.78
KB
-rw-r--r--
sysc_llseek.stp
2.81
KB
-rw-r--r--
sysc_lookup_dcookie.stp
3.39
KB
-rw-r--r--
sysc_lremovexattr.stp
3.11
KB
-rw-r--r--
sysc_lseek.stp
3.98
KB
-rw-r--r--
sysc_lsetxattr.stp
3.22
KB
-rw-r--r--
sysc_lstat.stp
5.91
KB
-rw-r--r--
sysc_madvise.stp
2.55
KB
-rw-r--r--
sysc_mbind.stp
3.69
KB
-rw-r--r--
sysc_membarrier.stp
2.65
KB
-rw-r--r--
sysc_memfd_create.stp
2.77
KB
-rw-r--r--
sysc_migrate_pages.stp
3.83
KB
-rw-r--r--
sysc_mincore.stp
2.47
KB
-rw-r--r--
sysc_mkdir.stp
2.38
KB
-rw-r--r--
sysc_mkdirat.stp
2.92
KB
-rw-r--r--
sysc_mknod.stp
2.45
KB
-rw-r--r--
sysc_mknodat.stp
3.07
KB
-rw-r--r--
sysc_mlock.stp
2.27
KB
-rw-r--r--
sysc_mlock2.stp
2.47
KB
-rw-r--r--
sysc_mlockall.stp
2.46
KB
-rw-r--r--
sysc_mmap2.stp
5.45
KB
-rw-r--r--
sysc_modify_ldt.stp
2.67
KB
-rw-r--r--
sysc_mount.stp
3.53
KB
-rw-r--r--
sysc_move_pages.stp
4.09
KB
-rw-r--r--
sysc_mprotect.stp
2.55
KB
-rw-r--r--
sysc_mq_getsetattr.stp
3.95
KB
-rw-r--r--
sysc_mq_notify.stp
3.51
KB
-rw-r--r--
sysc_mq_open.stp
4.54
KB
-rw-r--r--
sysc_mq_timedreceive.stp
5.18
KB
-rw-r--r--
sysc_mq_timedsend.stp
4.96
KB
-rw-r--r--
sysc_mq_unlink.stp
2.53
KB
-rw-r--r--
sysc_mremap.stp
3.01
KB
-rw-r--r--
sysc_msgctl.stp
7.35
KB
-rw-r--r--
sysc_msgget.stp
3.73
KB
-rw-r--r--
sysc_msgrcv.stp
9.48
KB
-rw-r--r--
sysc_msgsnd.stp
7.81
KB
-rw-r--r--
sysc_msync.stp
2.44
KB
-rw-r--r--
sysc_munlock.stp
2.39
KB
-rw-r--r--
sysc_munlockall.stp
2.29
KB
-rw-r--r--
sysc_munmap.stp
2.35
KB
-rw-r--r--
sysc_name_to_handle_at.stp
3.46
KB
-rw-r--r--
sysc_nanosleep.stp
5.22
KB
-rw-r--r--
sysc_nfsservctl.stp
2.23
KB
-rw-r--r--
sysc_ni_syscall.stp
1.4
KB
-rw-r--r--
sysc_nice.stp
2.15
KB
-rw-r--r--
sysc_open.stp
3.79
KB
-rw-r--r--
sysc_open_by_handle_at.stp
3.8
KB
-rw-r--r--
sysc_openat.stp
3.34
KB
-rw-r--r--
sysc_pause.stp
2.5
KB
-rw-r--r--
sysc_perf_event_open.stp
3.24
KB
-rw-r--r--
sysc_personality.stp
2.74
KB
-rw-r--r--
sysc_pipe.stp
9.86
KB
-rw-r--r--
sysc_pivot_root.stp
2.71
KB
-rw-r--r--
sysc_poll.stp
2.35
KB
-rw-r--r--
sysc_ppoll.stp
5.38
KB
-rw-r--r--
sysc_prctl.stp
2.48
KB
-rw-r--r--
sysc_pread.stp
4.51
KB
-rw-r--r--
sysc_preadv.stp
4.12
KB
-rw-r--r--
sysc_preadv2.stp
4.48
KB
-rw-r--r--
sysc_prlimit64.stp
2.97
KB
-rw-r--r--
sysc_process_vm_readv.stp
4.08
KB
-rw-r--r--
sysc_process_vm_writev.stp
4.13
KB
-rw-r--r--
sysc_pselect6.stp
5.62
KB
-rw-r--r--
sysc_pselect7.stp
3.58
KB
-rw-r--r--
sysc_ptrace.stp
3.18
KB
-rw-r--r--
sysc_pwrite.stp
6.27
KB
-rw-r--r--
sysc_pwritev.stp
4.23
KB
-rw-r--r--
sysc_pwritev2.stp
4.58
KB
-rw-r--r--
sysc_quotactl.stp
4
KB
-rw-r--r--
sysc_read.stp
3.29
KB
-rw-r--r--
sysc_readahead.stp
3.02
KB
-rw-r--r--
sysc_readdir.stp
3.6
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-rw-r--r--
sysc_readlink.stp
2.59
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-rw-r--r--
sysc_readlinkat.stp
3.24
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-rw-r--r--
sysc_readv.stp
3.07
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-rw-r--r--
sysc_reboot.stp
2.77
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-rw-r--r--
sysc_recv.stp
6.7
KB
-rw-r--r--
sysc_recvfrom.stp
7.82
KB
-rw-r--r--
sysc_recvmmsg.stp
5.84
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-rw-r--r--
sysc_recvmsg.stp
10.35
KB
-rw-r--r--
sysc_remap_file_pages.stp
3.37
KB
-rw-r--r--
sysc_removexattr.stp
2.75
KB
-rw-r--r--
sysc_rename.stp
2.48
KB
-rw-r--r--
sysc_renameat.stp
3.3
KB
-rw-r--r--
sysc_renameat2.stp
3.61
KB
-rw-r--r--
sysc_request_key.stp
3.23
KB
-rw-r--r--
sysc_restart_syscall.stp
2.5
KB
-rw-r--r--
sysc_rmdir.stp
2.25
KB
-rw-r--r--
sysc_rt_sigaction.stp
6.2
KB
-rw-r--r--
sysc_rt_sigpending.stp
4.35
KB
-rw-r--r--
sysc_rt_sigprocmask.stp
7.87
KB
-rw-r--r--
sysc_rt_sigqueueinfo.stp
4.26
KB
-rw-r--r--
sysc_rt_sigreturn.stp
1.6
KB
-rw-r--r--
sysc_rt_sigsuspend.stp
3.45
KB
-rw-r--r--
sysc_rt_sigtimedwait.stp
5.08
KB
-rw-r--r--
sysc_rt_tgsigqueueinfo.stp
3.92
KB
-rw-r--r--
sysc_sched_get_priority_max.st...
3.26
KB
-rw-r--r--
sysc_sched_get_priority_min.st...
3.26
KB
-rw-r--r--
sysc_sched_getaffinity.stp
3.62
KB
-rw-r--r--
sysc_sched_getattr.stp
3.05
KB
-rw-r--r--
sysc_sched_getparam.stp
2.84
KB
-rw-r--r--
sysc_sched_getscheduler.stp
2.94
KB
-rw-r--r--
sysc_sched_rr_get_interval.stp
4.41
KB
-rw-r--r--
sysc_sched_setaffinity.stp
3.49
KB
-rw-r--r--
sysc_sched_setattr.stp
2.98
KB
-rw-r--r--
sysc_sched_setparam.stp
2.83
KB
-rw-r--r--
sysc_sched_setscheduler.stp
3.2
KB
-rw-r--r--
sysc_sched_yield.stp
2.26
KB
-rw-r--r--
sysc_seccomp.stp
2.76
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vfs.stp
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Code Editor : nfs.stp
// nfs tapset // Copyright (C) 2006-2007 IBM Corp. // Copyright (C) 2007 Intel Corporation. // Copyright (C) 2007 Bull S.A.S // Copyright (c) 2009-2017 Red Hat Inc. // // This file is part of systemtap, and is free software. You can // redistribute it and/or modify it under the terms of the GNU General // Public License (GPL); either version 2, or (at your option) any // later version. %{ #include <linux/kernel.h> #include <linux/nfs_fs.h> #include <linux/uaccess.h> /* For VERIFY_READ/VERIFY_WRITE */ %} /* Get cache_validity flag from struct inode */ @__private30 function __nfsi_cache_valid:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_I(inode), "nfs_inode", "kernel:nfs")->cache_validity } /* Get read_cache_jiffies from struct inode */ @__private30 function __nfsi_rcache_time:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_I(inode), "nfs_inode", "kernel:nfs")->read_cache_jiffies } /* Get attrtimeo from struct inode */ @__private30 function __nfsi_attr_time :long (inode:long) { if (inode == 0) return -1 return @cast(NFS_I(inode), "nfs_inode", "kernel:nfs")->attrtimeo } /* Get ndirty from struct inode */ @__private30 function __nfsi_ndirty:long (inode:long) { if (inode == 0) return -1 return @choose_defined(@cast(NFS_I(inode), "nfs_inode", "kernel:nfs")->ndirty, -1) } /* Get rsize from struct inode */ @__private30 function __nfs_server_rsize:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_SERVER(inode), "nfs_server", "kernel:nfs")->rsize } /* Get version from struct inode */ function __nfs_version:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_PROTO(inode), "nfs_rpc_ops", "kernel:nfs")->version } /* Get wsize from struct inode */ @__private30 function __nfs_server_wsize:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_SERVER(inode), "nfs_server", "kernel:nfs")->wsize } /* Get rpages from struct inode */ @__private30 function __nfs_rpages:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_SERVER(inode), "nfs_server", "kernel:nfs")->rpages } /* Get wpages from struct inode */ @__private30 function __nfs_wpages:long (inode:long) { if (inode == 0) return -1 return @cast(NFS_SERVER(inode), "nfs_server", "kernel:nfs")->wpages } /* Get struct inode from struct page */ @__private30 function __p2i :long (page:long) { mapping = page? @cast(page, "page", "kernel:nfs")->mapping : 0 if (mapping == 0) return 0 return @cast(mapping, "address_space", "kernel:nfs")->host } /* Get i_flags from struct page */ @__private30 function __p2i_flag : long (page:long) { host = __p2i(page) if (host == 0) return -1 return @cast(host, "inode", "kernel:nfs")->i_flags } /* Get i_state from struct page */ @__private30 function __p2i_state :long (page:long) { host = __p2i(page) if (host == 0) return -1 return @cast(host, "inode", "kernel:nfs")->i_state } /* Get i_size from struct page */ @__private30 function __p2i_size :long (page:long) { host = __p2i(page) if (host == 0) return -1 return @cast(host, "inode", "kernel:nfs")->i_size } /* Get s_flags from struct page */ @__private30 function __p2sb_flag:long (page:long) { host = __p2i(page) i_sb = host? @cast(host, "inode", "kernel:nfs")->i_sb : 0 if (i_sb == 0) return -1 return @cast(i_sb, "super_block", "kernel:nfs")->s_flags } function __file_inode:long (file:long) { dentry = file ? @choose_defined(@cast(file, "file", "kernel:nfs")->f_path->dentry, @cast(file, "file", "kernel:nfs")->f_dentry) : 0 if (dentry == 0) return 0 return @cast(dentry, "dentry", "kernel:nfs")->d_inode } @__private30 function __file_id:long (file:long) { d_inode = __file_inode(file) if (d_inode == 0) return 0 return @cast(d_inode, "inode", "kernel:nfs")->i_sb->s_id } @__private30 function __file_mode:long (file:long) { d_inode = __file_inode(file) if (d_inode == 0) return 0 return @cast(d_inode, "inode", "kernel:nfs")->i_mode } @__private30 function __file_parentname:string (file:long) { dentry = file ? @choose_defined(@cast(file, "file", "kernel:nfs")->f_path->dentry, @cast(file, "file", "kernel:nfs")->f_dentry) : 0 d_parent = dentry? @cast(dentry, "dentry", "kernel:nfs")->d_parent : 0 if (d_parent == 0) return "NULL" name = @cast(d_parent, "dentry", "kernel:nfs")->d_name->name return kernel_string(name) } /* * Combination of generic_segment_checks and iov_length functions * @iov: io vector request * @nr_segs: number of segments in the iovec * @check_flag: whether to check (0 as iov_length, 1 as * generic_segment_checks) * @access_flags: valid when check_flag >0, type of access: * VERIFY_READ - 0 or VERIFY_WRITE - 1 * * @return: number of bytes to write/read */ function __iov_length:long (iov:long, nr_segs:long, check_flag:long, access_flags:long) %{ /* pure */ unsigned long seg; size_t ret = 0; const struct iovec *iov = (const struct iovec *)(uintptr_t)STAP_ARG_iov; unsigned long nr_segs = (unsigned long)STAP_ARG_nr_segs; for (seg = 0; seg < nr_segs; seg++) { __kernel_size_t iov_len = kread(&(iov[seg].iov_len)); ret += iov_len; if (STAP_ARG_check_flag) { if (unlikely((ssize_t)(ret|iov_len) < 0)) { STAP_RETVALUE = -EINVAL; return; } if (!_stp_lookup_bad_addr((int)STAP_ARG_access_flags, iov_len, kread(&(iov[seg].iov_base)), KERNEL_DS)) continue; if (seg == 0) { STAP_RETVALUE = -EFAULT; return; } ret -= iov_len; /* This segment is no good */ break; } } STAP_RETVALUE = (long)ret; CATCH_DEREF_FAULT(); %} probe nfs.fop.entries = nfs.fop.llseek, nfs.fop.read, nfs.fop.write, nfs.fop.aio_read, nfs.fop.aio_write, nfs.fop.read_iter ?, nfs.fop.write_iter ?, nfs.fop.mmap, nfs.fop.open, nfs.fop.flush, nfs.fop.release, nfs.fop.sendfile ?, nfs.fop.fsync, nfs.fop.lock { } probe nfs.fop.return = nfs.fop.llseek.return, nfs.fop.read.return, nfs.fop.write.return, nfs.fop.aio_read.return, nfs.fop.aio_write.return, nfs.fop.read_iter.return ?, nfs.fop.write_iter.return ?, nfs.fop.mmap.return, nfs.fop.open.return, nfs.fop.flush.return, nfs.fop.release.return, nfs.fop.sendfile.return ?, nfs.fop.fsync.return, nfs.fop.lock.return { } /** * probe nfs.fop.llseek - NFS client llseek operation * * @dev: device identifier * @ino: inode number * @offset: the offset of the file will be repositioned * @whence: the position to seek from * @whence_str: symbolic string representation of the position to seek from */ probe nfs.fop.llseek = kernel.function ("nfs_file_llseek") !, module("nfs").function("nfs_file_llseek") { dev = __file_dev($filp) ino = __file_ino($filp) s_id = __file_id($filp) devname = kernel_string(s_id) maxbyte = __file_maxbytes($filp) offset = $offset %(systemtap_v < "2.3" %? origin = @choose_defined($whence, $origin) %) whence = @choose_defined($whence, $origin) whence_str = _seek_whence_str(@choose_defined($whence, $origin)) name = "nfs.fop.llseek" argstr = sprintf("%d, %d", offset, @choose_defined($whence, $origin)) } probe nfs.fop.llseek.return = kernel.function ("nfs_file_llseek").return !, module("nfs").function("nfs_file_llseek").return { name = "nfs.fop.llseek.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.read - NFS client read operation * * @devname: block device name * * SystemTap uses the vfs.do_sync_read probe to implement this probe * and as a result will get operations other than the NFS client read * operations. */ probe nfs.fop.read = vfs.do_sync_read { s_id = __file_id(file) devname = kernel_string(s_id) name = "nfs.fop.read" } probe nfs.fop.read.return = vfs.do_sync_read.return { name = "nfs.fop.read.return" } /** * probe nfs.fop.write - NFS client write operation * * @devname: block device name * * SystemTap uses the vfs.do_sync_write probe to implement this probe * and as a result will get operations other than the NFS client write * operations. */ probe nfs.fop.write = vfs.do_sync_write { s_id = __file_id(file) devname = kernel_string(s_id) name = "nfs.fop.write" } probe nfs.fop.write.return = vfs.do_sync_write.return { name = "nfs.fop.write.return" } /** * probe nfs.fop.aio_read - NFS client aio_read file operation * * @dev: device identifier * @ino: inode number * @count: read bytes * @pos: current position of file * @buf: the address of buf in user space * @parent_name: parent dir name * @file_name: file name * @cache_valid: cache related bit mask flag * @cache_time: when we started read-caching this inode * @attrtimeo: how long the cached information is assumed to be valid. * We need to revalidate the cached attrs for this inode * if jiffies - read_cache_jiffies > attrtimeo. */ %( kernel_v < "3.16" %? probe nfs.fop.aio_read = kernel.function ("nfs_file_read") !, module("nfs").function("nfs_file_read") { dev = __file_dev($iocb->ki_filp) ino = __file_ino($iocb->ki_filp) s_id = __file_id($iocb->ki_filp) devname = kernel_string(s_id) pos = $pos if (@defined($iov)) { buf = $iov->iov_base count = __iov_length($iov, $nr_segs, 0, @const("VERIFY_WRITE")) } else { buf = $buf count = $count } parent_name = __file_parentname($iocb->ki_filp) file_name = __file_filename($iocb->ki_filp) cache_valid = __nfsi_cache_valid(__file_inode($iocb->ki_filp)) cache_time = __nfsi_rcache_time(__file_inode($iocb->ki_filp)) attr_time = __nfsi_attr_time(__file_inode($iocb->ki_filp)) name = "nfs.fop.aio_read" argstr = sprintf("%p, %d, %d", buf, count, pos) size = count units = "bytes" } probe nfs.fop.aio_read.return = kernel.function ("nfs_file_read").return !, module("nfs").function("nfs_file_read").return { name = "nfs.fop.aio_read.return" retstr = sprintf("%d", $return) if ($return > 0) { size = $return } units = "bytes" } %: probe nfs.fop.aio_read = never { dev = 0 ino = 0 s_id = 0 devname = "" pos = 0 buf = 0 count = 0 parent_name = "" file_name = "" cache_valid = 0 cache_time = 0 attr_time = 0 name = "nfs.fop.aio_read" argstr = sprintf("%p, %d, %d", buf, count, pos) size = count units = "bytes" } probe nfs.fop.aio_read.return = never { name = "nfs.fop.aio_read.return" retstr = sprintf("%d", 0) size = 0 units = "bytes" } %) /** * probe nfs.fop.read_iter - NFS client read_iter file operation * * @dev: device identifier * @ino: inode number * @count: read bytes * @pos: current position of file * @parent_name: parent dir name * @file_name: file name * @cache_valid: cache related bit mask flag * @cache_time: when we started read-caching this inode * @attrtimeo: how long the cached information is assumed to be valid. * We need to revalidate the cached attrs for this inode * if jiffies - read_cache_jiffies > attrtimeo. */ %( kernel_v >= "3.16" %? probe nfs.fop.read_iter = kernel.function ("nfs_file_read") !, module("nfs").function("nfs_file_read") { dev = __file_dev($iocb->ki_filp) ino = __file_ino($iocb->ki_filp) s_id = __file_id($iocb->ki_filp) devname = kernel_string(s_id) pos = $to->iov_offset count = __iov_length($to->iov, $to->nr_segs, 0, @const("VERIFY_READ")) parent_name = __file_parentname($iocb->ki_filp) file_name = __file_filename($iocb->ki_filp) cache_valid = __nfsi_cache_valid(__file_inode($iocb->ki_filp)) cache_time = __nfsi_rcache_time(__file_inode($iocb->ki_filp)) attr_time = __nfsi_attr_time(__file_inode($iocb->ki_filp)) name = "nfs.fop.read_iter" argstr = sprintf("%d, %d", count, pos) size = count units = "bytes" } probe nfs.fop.read_iter.return = kernel.function ("nfs_file_read").return !, module("nfs").function("nfs_file_read").return { name = "nfs.fop.read_iter.return" retstr = sprintf("%d", $return) if ($return > 0) { size = $return } units = "bytes" } %) /** * probe nfs.fop.aio_write - NFS client aio_write file operation * * @dev: device identifier * @ino: inode number * @count: read bytes * @pos: offset of the file * @buf: the address of buf in user space * @parent_name: parent dir name * @file_name: file name */ %( kernel_v < "3.16" %? probe nfs.fop.aio_write = kernel.function("nfs_file_write") !, module("nfs").function("nfs_file_write") { dev = __file_dev($iocb->ki_filp) ino = __file_ino($iocb->ki_filp) s_id = __file_id($iocb->ki_filp) devname = kernel_string(s_id) pos = $pos if (@defined($iov)) { buf = $iov->iov_base count = __iov_length($iov, $nr_segs, 0, @const("VERIFY_WRITE")) } else { buf = $buf count = $count } parent_name = __file_parentname($iocb->ki_filp) file_name = __file_filename($iocb->ki_filp) name = "nfs.fop.aio_write" argstr = sprintf("%p, %d, %d", buf, count, pos) size = count units = "bytes" } probe nfs.fop.aio_write.return = kernel.function("nfs_file_write").return !, module("nfs").function("nfs_file_write").return { name = "nfs.fop.aio_write.return" retstr = sprintf("%d", $return) if ($return > 0) { size = $return } units = "bytes" } %: probe nfs.fop.aio_write = never { dev = 0 ino = 0 s_id = 0 devname = "" pos = 0 buf = 0 count = 0 parent_name = "" file_name = "" name = "nfs.fop.aio_write" argstr = sprintf("%p, %d, %d", buf, count, pos) size = count units = "bytes" } probe nfs.fop.aio_write.return = never { name = "nfs.fop.aio_write.return" retstr = sprintf("%d", 0) size = 0 units = "bytes" } %) /** * probe nfs.fop.write_iter - NFS client write_iter file operation * * @dev: device identifier * @ino: inode number * @count: read bytes * @pos: offset of the file * @parent_name: parent dir name * @file_name: file name */ %( kernel_v >= "3.16" %? probe nfs.fop.write_iter = kernel.function("nfs_file_write") !, module("nfs").function("nfs_file_write") { dev = __file_dev($iocb->ki_filp) ino = __file_ino($iocb->ki_filp) s_id = __file_id($iocb->ki_filp) devname = kernel_string(s_id) pos = $from->iov_offset count = __iov_length($from->iov, $from->nr_segs, 0, @const("VERIFY_READ")) parent_name = __file_parentname($iocb->ki_filp) file_name = __file_filename($iocb->ki_filp) name = "nfs.fop.write_iter" argstr = sprintf("%d, %d", count, pos) size = count units = "bytes" } probe nfs.fop.write_iter.return = kernel.function("nfs_file_write").return !, module("nfs").function("nfs_file_write").return { name = "nfs.fop.write_iter.return" retstr = sprintf("%d", $return) if ($return > 0) { size = $return } units = "bytes" } %) /** * probe nfs.fop.mmap - NFS client mmap operation * * @dev: device identifier * @ino: inode number * @vm_start: start address within vm_mm * @vm_end: the first byte after end address within vm_mm * @vm_flag: vm flags * @buf: the address of buf in user space * @parent_name: parent dir name * @file_name: file name * @cache_valid: cache related bit mask flag * @cache_time: when we started read-caching this inode * @attrtimeo: how long the cached information is assumed to be valid. * We need to revalidate the cached attrs for this inode * if jiffies - read_cache_jiffies > attrtimeo. */ probe nfs.fop.mmap = kernel.function("nfs_file_mmap") !, module("nfs").function("nfs_file_mmap") { dev = __file_dev($file) ino = __file_ino($file) s_id = __file_id($file) devname = kernel_string(s_id) vm_start = $vma->vm_start vm_end = $vma->vm_end vm_flags = $vma->vm_flags parent_name = __file_parentname($file) file_name = __file_filename($file) cache_valid = __nfsi_cache_valid(__file_inode($file)) cache_time = __nfsi_rcache_time(__file_inode($file)) attr_time = __nfsi_attr_time(__file_inode($file)) name = "nfs.fop.mmap" argstr = sprintf("0x%x, 0x%x, 0x%x", vm_start, vm_end, vm_flags) } probe nfs.fop.mmap.return = kernel.function("nfs_file_mmap").return !, module("nfs").function("nfs_file_mmap").return { name = "nfs.fop.mmap.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.open - NFS client file open operation * * @dev: device identifier * @ino: inode number * @file_name: file name * @flag: file flag * @i_size: file length in bytes */ probe nfs.fop.open = kernel.function("nfs_file_open") !, module("nfs").function("nfs_file_open") { dev = __file_dev($filp) ino = $inode->i_ino s_id = $inode->i_sb->s_id devname = kernel_string(s_id) filename = __file_filename($filp) flag = $filp->f_flags i_size = $inode->i_size name = "nfs.fop.open" argstr = sprintf("%d, %d, %s", flag, ino, filename) } probe nfs.fop.open.return = kernel.function("nfs_file_open").return !, module("nfs").function("nfs_file_open").return { name = "nfs.fop.open.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.flush - NFS client flush file operation * * @dev: device identifier * @ino: inode number * @mode: file mode * @ndirty: number of dirty page */ probe nfs.fop.flush = kernel.function("nfs_file_flush") !, module("nfs").function("nfs_file_flush") { dev = __file_dev($file) ino = __file_ino($file) s_id = __file_id($file) devname = kernel_string(s_id) mode = $file->f_mode ndirty = __nfsi_ndirty(__file_inode($file)) name = "nfs.fop.flush" argstr = sprintf("%d", ino) } probe nfs.fop.flush.return = kernel.function("nfs_file_flush").return !, module("nfs").function("nfs_file_flush").return { name = "nfs.fop.flush.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.release - NFS client release page operation * * @dev: device identifier * @ino: inode number * @mode: file mode */ probe nfs.fop.release = kernel.function("nfs_file_release") !, module("nfs").function("nfs_file_release") { dev = __file_dev($filp) ino = $inode->i_ino s_id = $inode->i_sb->s_id devname = kernel_string(s_id) mode = $filp->f_mode name = "nfs.fop.release" argstr = sprintf("%d", ino) } probe nfs.fop.release.return = kernel.function("nfs_file_release").return !, module("nfs").function("nfs_file_release").return { name = "nfs.fop.release.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.fsync - NFS client fsync operation * * @dev: device identifier * @ino: inode number * @ndirty: number of dirty pages */ probe nfs.fop.fsync = kernel.function("nfs_file_fsync") !, module("nfs").function("nfs_file_fsync") !, kernel.function("nfs_fsync") !, module("nfs").function("nfs_fsync") { dev = __file_dev($file) ino = __file_ino($file) s_id = __file_id($file) devname = kernel_string(s_id) ndirty = __nfsi_ndirty(__file_inode($file)) name = "nfs.fop.fsync" argstr = sprintf("%d", ino) } probe nfs.fop.fsync.return = kernel.function("nfs_file_fsync").return !, module("nfs").function("nfs_file_fsync").return !, kernel.function("nfs_fsync").return !, module("nfs").function("nfs_fsync").return { name = "nfs.fop.fsync.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.lock - NFS client file lock operation * * @dev: device identifier * @ino: inode number * @i_mode: file type and access rights * @cmd: cmd arguments * @fl_type:lock type * @fl_flag: lock flags * @fl_start: starting offset of locked region * @fl_end: ending offset of locked region */ probe nfs.fop.lock = kernel.function("nfs_lock") !, module("nfs").function("nfs_lock") { dev = __file_dev($filp) ino = __file_ino($filp) s_id = __file_id($filp) devname = kernel_string(s_id) i_mode = __file_mode($filp) cmd = $cmd fl_type = $fl->fl_type fl_flag = $fl->fl_flags fl_start = $fl->fl_start fl_end = $fl->fl_end name = "nfs.fop.lock" argstr = sprintf("%d, %d", cmd, i_mode) } probe nfs.fop.lock.return = kernel.function("nfs_lock").return !, module("nfs").function("nfs_lock").return { name = "nfs.fop.lock.return" retstr = sprintf("%d", $return) } /** * probe nfs.fop.sendfile - NFS client send file operation * * @dev: device identifier * @ino: inode number * @count: read bytes * @ppos: current position of file * @cache_valid: cache related bit mask flag * @cache_time: when we started read-caching this inode * @attrtimeo: how long the cached information is assumed to be valid. * We need to revalidate the cached attrs for this inode * if jiffies - read_cache_jiffies > attrtimeo. */ probe nfs.fop.sendfile = kernel.function("nfs_file_sendfile") !, module("nfs").function("nfs_file_sendfile") ? { dev = __file_dev($filp) ino = __file_ino($filp) s_id = __file_id($filp) devname = kernel_string(s_id) count = $count ppos = $ppos ? kernel_pointer($ppos) : -1 cache_valid = __nfsi_cache_valid(__file_inode($filp)) cache_time = __nfsi_rcache_time(__file_inode($filp)) attr_time = __nfsi_attr_time(__file_inode($filp)) name = "nfs.fop.sendfile" argstr = sprintf("%d, %d", count, ppos) size = count units = "bytes" } probe nfs.fop.sendfile.return = kernel.function("nfs_file_sendfile").return !, module("nfs").function("nfs_file_sendfile").return ? { name = "nfs.fop.sendfile.return" retstr = sprintf("%d", $return) if ($return > 0) { size = $return } units = "bytes" } /** * probe nfs.fop.check_flags - NFS client checking flag operation * * @flag: file flag */ probe nfs.fop.check_flags = kernel.function("nfs_check_flags") !, module("nfs").function("nfs_check_flags") { flag = $flags name = "nfs.fop.check_flags" argstr = sprintf("%d", flag) } probe nfs.fop.check_flags.return = kernel.function("nfs_check_flags").return !, module("nfs").function("nfs_check_flags").return { name = "nfs.fop.check_flags.return" retstr = sprintf("%d", $return) } probe nfs.aop.entries = nfs.aop.readpage, nfs.aop.readpages, nfs.aop.writepage, nfs.aop.writepages, nfs.aop.release_page ?, nfs.aop.write_begin, nfs.aop.write_end { } probe nfs.aop.return = nfs.aop.readpage.return, nfs.aop.readpages.return, nfs.aop.writepage.return, nfs.aop.writepages.return, nfs.aop.release_page.return ?, nfs.aop.write_begin.return, nfs.aop.write_end.return { } /** * probe nfs.aop.readpage - NFS client synchronously reading a page * @__page: the address of page * @dev: device identifier * @ino: inode number * @i_flag: file flags * @i_size: file length in bytes * @sb_flag: super block flags * @file: file argument * @page_index : offset within mapping, can used a page identifier * and position identifier in the page frame * @rsize: read size (in bytes) * @size: number of pages to be read in this execution * * Read the page over, only fires when a previous async * read operation failed */ probe nfs.aop.readpage = kernel.function ("nfs_readpage") !, module("nfs").function ("nfs_readpage") { __page = $page dev = __page_dev(__page) ino = __page_ino(__page) i_flag = __p2i_flag($page) i_size = __p2i_size($page) sb_flag = __p2sb_flag($page) file = $file page_index = $page->index __inode = __p2i($page) rsize = __nfs_server_rsize(__inode) name = "nfs.aop.readpage" argstr = sprintf("%d, %d", page_index, rsize) size = 1 units = "pages" } probe nfs.aop.readpage.return = kernel.function ("nfs_readpage").return !, module("nfs").function ("nfs_readpage").return { name = "nfs.aop.readpage.return" retstr = sprintf("%d", $return) size = 1 units = "pages" } /** * probe nfs.aop.readpages - NFS client reading multiple pages * @dev: device identifier * @ino: inode number * @nr_pages: number of pages attempted to read in this execution * @file: filp argument * @rpages: read size (in pages) * @rsize: read size (in bytes) * @size: number of pages attempted to read in this execution * * Fires when in readahead way, read several pages once */ probe nfs.aop.readpages = kernel.function ("nfs_readpages") !, module("nfs").function ("nfs_readpages") { dev = $mapping->host->i_sb->s_dev ino = $mapping->host->i_ino nr_pages = $nr_pages file = $filp rpages = __nfs_rpages($mapping->host) rsize = __nfs_server_rsize($mapping->host) name = "nfs.aop.readpages" argstr = sprintf("%d", nr_pages) size = nr_pages units = "pages" } probe nfs.aop.readpages.return = kernel.function ("nfs_readpages").return !, module("nfs").function ("nfs_readpages").return { name = "nfs.aop.readpages.return" retstr = sprintf("%d", $return) if ($return > 0 ) { size = $return } units = "pages" } /** * probe nfs.aop.set_page_dirty - NFS client marking page as dirty * @__page: the address of page * @page_flag: page flags * * This probe attaches to the generic __set_page_dirty_nobuffers function. * Thus, this probe is going to fire on many other file systems in * addition to the NFS client. */ probe nfs.aop.set_page_dirty = kernel.function ("__set_page_dirty_nobuffers") !, module("nfs").function ("__set_page_dirty_nobuffers") { __page = $page page_flag = $page->flags name = "nfs.aop.set_page_dirty" argstr = sprintf("%d", page_flag) } probe nfs.aop.set_page_dirty.return = kernel.function ("__set_page_dirty_nobuffers") .return !, module("nfs").function ("__set_page_dirty_nobuffers").return { name = "nfs.aop.set_page_dirty.return" retstr = sprintf("%d", $return) } /** * probe nfs.aop.writepage - NFS client writing a mapped page to the NFS server * @__page: the address of page * @dev: device identifier * @ino: inode number * @for_reclaim: a flag of writeback_control, * indicates if it's invoked from the page allocator * @for_kupdate: a flag of writeback_control, * indicates if it's a kupdate writeback * @i_flag: file flags * @i_size: file length in bytes * @i_state: inode state flags * @sb_flag: super block flags * @page_index: offset within mapping, * can used a page identifier and position identifier in the page frame * @wsize: write size * @size: number of pages to be written in this execution * * The priority of wb is decided by the flags * @for_reclaim and @for_kupdate. */ probe nfs.aop.writepage = kernel.function ("nfs_writepage") !, module("nfs").function ("nfs_writepage") { __page = $page dev = __page_dev(__page) ino = __page_ino(__page) for_reclaim = $wbc->for_reclaim for_kupdate = $wbc->for_kupdate i_flag = __p2i_flag($page) i_state = __p2i_state($page) i_size = __p2i_size($page) sb_flag = __p2sb_flag($page) page_index = $page->index __inode = __p2i($page) wsize = __nfs_server_wsize(__inode) name = "nfs.aop.writepage" argstr = sprintf("%d", page_index) size = 1 units = "pages" } probe nfs.aop.writepage.return = kernel.function ("nfs_writepage").return !, module("nfs").function ("nfs_writepage").return { name = "nfs.aop.writepage.return" retstr = sprintf("%d", $return) } /** * probe nfs.aop.writepages - NFS client writing several dirty pages to the NFS server * @dev: device identifier * @ino: inode number * @for_reclaim: a flag of writeback_control, * indicates if it's invoked from the page allocator * @for_kupdate: a flag of writeback_control, * indicates if it's a kupdate writeback * @wsize: write size * @wpages: write size (in pages) * @nr_to_write: number of pages attempted to be written in this execution * @size: number of pages attempted to be written in this execution * * The priority of wb is decided by the flags * @for_reclaim and @for_kupdate. */ probe nfs.aop.writepages = kernel.function ("nfs_writepages") !, module("nfs").function ("nfs_writepages") { dev = $mapping->host->i_sb->s_dev ino = $mapping->host->i_ino for_reclaim = $wbc->for_reclaim for_kupdate = $wbc->for_kupdate nr_to_write = $wbc->nr_to_write wsize = __nfs_server_wsize($mapping->host) wpages = __nfs_wpages($mapping->host) name = "nfs.aop.writepages" argstr = sprintf("%d", nr_to_write) size = nr_to_write units = "pages" } probe nfs.aop.writepages.return = kernel.function ("nfs_writepages").return !, module("nfs").function ("nfs_writepages").return { name = "nfs.aop.writepages.return" retstr = sprintf("%d", $return) } # kernel commit 4899f9c852564ce7b6d0ca932ac6674bf471fd28 removed # nfs_prepare_write()/nfs_commit_write() and created # nfs_write_begin()/nfs_write_end(). So, we try to find whatever the # current kernel has. /** * probe nfs.aop.write_begin - NFS client begin to write data * @__page: the address of page * @dev: device identifier * @ino: inode number * @offset: start address of this write operation * @to: end address of this write operation * @page_index: offset within mapping, can used a page identifier * and position identifier in the page frame * @size: write bytes * * Occurs when write operation occurs on nfs. It prepare a page for writing, * look for a request corresponding to the page. If there * is one, and it belongs to another file, it flush it out * before it tries to copy anything into the page. * Also do the same if it finds a request from an existing * dropped page * */ probe nfs.aop.write_begin = __nfs.aop.write_begin !, __nfs.aop.prepare_write { } probe nfs.aop.write_begin.return = __nfs.aop.write_begin.return !, __nfs.aop.prepare_write.return { } /** * probe nfs.aop.write_end - NFS client complete writing data * @__page: the address of page * @dev: device identifier * @ino: inode number * @offset: start address of this write operation * @to: end address of this write operation * @i_flag: file flags * @i_size: file length in bytes * @sb_flag: super block flags * @page_index: offset within mapping, can used a page identifier and position identifier in the page frame * @size: write bytes * * Fires when do a write operation on nfs, * often after prepare_write * * Update and possibly write a cached page of an NFS file. */ probe nfs.aop.write_end = __nfs.aop.write_end !, __nfs.aop.commit_write { } probe nfs.aop.write_end.return = __nfs.aop.write_end.return !, __nfs.aop.commit_write.return { } probe __nfs.aop.write_begin = kernel.function ("nfs_write_begin") !, module("nfs").function("nfs_write_begin") { # Since __nfs.aop.write_begin and __nfs.aop.prepare_write # share a "parent" probe (nfs.aop.write_begin), they need to # have the same convenience variables. So, define a few fake # ones here. The optimizer will remove any that aren't # actually used. __page = -1 offset = $pos to = $pos + $len page_index = -1 size = $len dev = __file_dev($file) ino = __file_ino($file) s_id = __file_id($file) devname = kernel_string(s_id) pos = $pos count = $len name = "nfs.aop.write_begin" argstr = sprintf("%d", ino) units = "bytes" } probe __nfs.aop.write_begin.return = kernel.function ("nfs_write_begin").return !, module("nfs").function ("nfs_write_begin").return { name = "nfs.aop.write_begin.return" retstr = sprintf("%d", $return) } probe __nfs.aop.write_end = kernel.function ("nfs_write_end") !, module("nfs").function("nfs_write_end") { # Since __nfs.aop.write_end and __nfs.aop.commit_write # share a "parent" probe (nfs.aop.write_end), they need to # have the same convenience variables. So, define a few fake # ones here. The optimizer will remove any that aren't # actually used. __page = -1 offset = $pos to = $pos + $len i_flag = 0 i_size = 0 sb_flag = 0 page_index = -1 size = $len dev = __file_dev($file) ino = __file_ino($file) s_id = __file_id($file) devname = kernel_string(s_id) pos = $pos count = $len name = "nfs.aop.write_end" argstr = sprintf("%d", ino) units = "bytes" } probe __nfs.aop.write_end.return = kernel.function ("nfs_write_end").return !, module("nfs").function("nfs_write_end").return { name = "nfs.aop.write_end.return" retstr = sprintf("%d", $return) } probe __nfs.aop.prepare_write = kernel.function ("nfs_prepare_write") !, module("nfs").function ("nfs_prepare_write") { # Since __nfs.aop.write_begin and __nfs.aop.prepare_write # share a "parent" probe (nfs.aop.write_begin), they need to # have the same convenience variables. So, define a few fake # ones here. The optimizer will remove any that aren't # actually used. s_id = -1 pos = $offset count = $to - $offset __page = $page dev = __page_dev(__page) devname = __find_bdevname(dev, __page_bdev(__page)) ino = __page_ino(__page) offset = $offset to = $to page_index = $page->index name = "nfs.aop.prepare_write" argstr = sprintf("%d", page_index) size = $to - $offset units = "bytes" } probe __nfs.aop.prepare_write.return = kernel.function ("nfs_prepare_write").return !, module("nfs").function ("nfs_prepare_write").return { name = "nfs.aop.prepare_write.return" retstr = sprintf("%d", $return) } probe __nfs.aop.commit_write = kernel.function ("nfs_commit_write") !, module("nfs").function ("nfs_commit_write") { # Since __nfs.aop.write_end and __nfs.aop.commit_write # share a "parent" probe (nfs.aop.write_end), they need to # have the same convenience variables. So, define a few fake # ones here. The optimizer will remove any that aren't # actually used. s_id = -1 pos = $offset count = $to - $offset __page = $page dev = __page_dev(__page) devname = __find_bdevname(dev, __page_bdev(__page)) ino = __page_ino(__page) offset = $offset to = $to i_flag = __p2i_flag($page) i_size = __p2i_size($page) sb_flag = __p2sb_flag($page) page_index = $page->index name = "nfs.aop.commit_write" argstr = sprintf("%d, %d", offset, to) size = $to - $offset units = "bytes" } probe __nfs.aop.commit_write.return = kernel.function ("nfs_commit_write").return !, module("nfs").function ("nfs_commit_write").return { name = "nfs.aop.commit_write.return" retstr = sprintf("%d", $return) } /** * probe nfs.aop.release_page - NFS client releasing page * @__page: the address of page * @dev: device identifier * @ino: inode number * @page_index: offset within mapping, can used a page identifier * and position identifier in the page frame * @size: release pages * * Fires when do a release operation on NFS. */ probe nfs.aop.release_page = kernel.function ("nfs_release_page") !, module("nfs").function ("nfs_release_page") ? { __page = $page dev = __page_dev(__page) ino = __page_ino(__page) // gfp = $gfp page_index = $page->index name = "nfs.aop.release_page" argstr = sprintf("%d", page_index) size = 1 units = "pages" } probe nfs.aop.release_page.return = kernel.function ("nfs_release_page").return !, module("nfs").function ("nfs_release_page").return ? { name = "nfs.aop.release_page.return" retstr = sprintf("%d", $return) }
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