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From Cai Fei <caifei@cn.fujitsu.com>
* nfs_proc.stp: Use kread in get_ip and get_prot to avoid kernel
panic.
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From Cai Fei <caifei@cn.fujitsu.com>
* nfsd.stp: Fix the semantic error caused by the difference of
kernel versions.
* nfs_proc.stp: Ditto.
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From Cai Fei <caifei@cn.fujitsu.com>
* conversions.stp: Add a function kernel_string_n for copy
non-0-terminated string with fixed length from kernel space at
given address.
* stapfuncs.5.in: Add kernel_string_n.
* nfsd.stp: Using kernel_string_n to copy non-0-terminated string
with fixed length from kernel space at given address.
* nfs_proc.stp: Ditto.
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From Cai Fei <caifei@cn.fujitsu.com>
* nfs_proc.stp (__nfs_write_data_info): Add data-access code for
count, valid and timestamp.
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* rpc.stp (clones_from_clnt, tasks_from_clnt): Fix for kernel >= 2.6.22.
* nfs.stp (__nfsi_ndirty) : Ditto.
* nfs_proc.stp (__nfsv4_bitmask) : Make bitmask valid according to CONFIG.
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From Lai Jiangshan <laijs@cn.fujitsu.com>
modify field-access operator from "." to "->" in all files.
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2007-09-25 Frank Ch. Eigler <fche@elastic.org>
* socket.stp (__i2n_ip_proto): Add a cast for 32-bit compatibility.
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* nfs.stp (__iov_length): Updated, Temporary here.
* nfs_proc.stp (__i2n_ip_proto): Add type cast to sockaddr_in.
(nfs.proc?.*): Modify evaluating count and offset.
(nfs.proc?.read.return): Delete evaluating size and units.
(nfs.proc?.write.return): Modify evaluating size.
(nfs.proc?.create): Modify evaluating filename and filelen.
(nfs.proc?.rename): Fix typo.
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* aux_syscalls.stp, inet_sock.stp, ioblock.stp, ioscheduler.stp,
nfs.stp, nfs_proc.stp, nfsd.stp, rpc.stp, scsi.stp, signal.stp,
socket.stp, task.stp, tcp.stp, vfs.stp: Protect pointer dereferences
with kread wherever possible. Some places still have hazards, as
marked with FIXMEs.
* errno.stp (returnstr): Don't use return in tapset C functions.
* aux_syscalls.stp (__uget_timex_m): Ditto.
* nfsd.stp (__get_fh): Ditto.
* nfs.stp, vfs.stp (<many functions>): Ditto.
* string.stp (substr): Ditto. Also make sure start index is valid.
* syscalls.stp (syscall.execve): Change __string to kernel_string.
LKET/
* nfs.stp, nfs_proc.stp, nfsd.stp, process.stp, tskdispatch.stp:
Protect pointer dereferences with kread wherever possible. Some
places still have hazards, as marked with FIXMEs.
* aio.stp (log_io_getevents): Don't use return in tapset C functions.
* timestamp.stp (set_timing_method): Ditto.
* utils.stp (filter_by_pid): Ditto.
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document nfs trace hooks
tapset/nfsd.stp, tapset/nfs_proc.stp, tapset/nfs.stp:
Change NFS file identifier. Change NFS version data type
from String to INT. Add version variable to nfs_open
and nfs_release.
LKET/iosyscall.stp:
change log_iosyscall_sync() be sync with different timing methods.
LKET/utils.stp:
add reset_maxaction() since there are too many functions called inside "probe begin".
LKET/nfsd.stp, LKET/nfs_proc.stp, LKET/nfs.stp:
New trace hooks for NFS, including both NFS client and server side activities.
LKET/register_event.stp:
Add the register event calls for NFS trace hooks.
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New tapset from Thomas Zanussi(trz@us.ibm.com) to probe vfs layer activities.
nfs.stp:
New tapset from Li Xuepeng(xuepengl@cn.ibm.com) to probe nfs file operations
and nfs address space operations on client side.
nfs_proc.stp:
New tapset from Li Xuepeng to probe some nfs RPC procedure stub functions
on client side.
nfsd.stp:
New tapset from Li Xuepeng to probe nfs server side activities, including
some RPC procedure stub functions, nfsd dispatch routine, and nfsd_* functions
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