UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity
OpenCloudOS-Kernel/net/9p
History
Aneesh Kumar K.V 348b59012e net/9p: Convert net/9p protocol dumps to tracepoints 
This helps in more control over debugging.
root@qemu-img-64:~# ls /pass/123
ls: cannot access /pass/123: No such file or directory
root@qemu-img-64:~# cat /sys/kernel/debug/tracing/trace
# tracer: nop
#
#           TASK-PID    CPU#    TIMESTAMP  FUNCTION
#              | |       |          |         |
              ls-1536  [001]    70.928584: 9p_protocol_dump: clnt 18446612132784021504 P9_TWALK(tag = 1)
000: 16 00 00 00 6e 01 00 01 00 00 00 02 00 00 00 01
010: 00 03 00 31 32 33 00 00 00 ff ff ff ff 00 00 00

              ls-1536  [001]    70.928587: <stack trace>
 => trace_9p_protocol_dump
 => p9pdu_finalize
 => p9_client_rpc
 => p9_client_walk
 => v9fs_vfs_lookup
 => d_alloc_and_lookup
 => walk_component
 => path_lookupat
              ls-1536  [000]    70.929696: 9p_protocol_dump: clnt 18446612132784021504 P9_RLERROR(tag = 1)
000: 0b 00 00 00 07 01 00 02 00 00 00 4e 03 00 02 00
010: 00 00 00 00 03 00 02 00 00 00 00 00 ff 43 00 00

              ls-1536  [000]    70.929697: <stack trace>
 => trace_9p_protocol_dump
 => p9_client_rpc
 => p9_client_walk
 => v9fs_vfs_lookup
 => d_alloc_and_lookup
 => walk_component
 => path_lookupat
 => do_path_lookup

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
 		2011-10-24 11:13:12 -05:00
..
Kconfig 9p: remove experimental tag from tested configurations 2011-05-25 08:46:38 -05:00
Makefile [net/9p] Preparation and helper functions for zero copy 2011-03-15 09:57:34 -05:00
client.c net/9p: Convert net/9p protocol dumps to tracepoints 2011-10-24 11:13:12 -05:00
error.c net/9p: insulate the client against an invalid error code sent by a 9p server 2009-08-17 16:39:54 -05:00
mod.c fs/9p: Clean-up get_protocol_version() to use strcmp 2011-07-23 09:32:49 -05:00
protocol.c net/9p: Convert net/9p protocol dumps to tracepoints 2011-10-24 11:13:12 -05:00
protocol.h net/9p: Convert net/9p protocol dumps to tracepoints 2011-10-24 11:13:12 -05:00
trans_common.c fs/9p: Update zero-copy implementation in 9p 2011-10-24 11:13:11 -05:00
trans_common.h fs/9p: Update zero-copy implementation in 9p 2011-10-24 11:13:11 -05:00
trans_fd.c net/9p: enable 9p to work in non-default network namespace 2011-05-25 08:46:39 -05:00
trans_rdma.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2011-05-26 12:13:57 -07:00
trans_virtio.c fs/9p: Update zero-copy implementation in 9p 2011-10-24 11:13:11 -05:00
util.c net/9p: p9_idpool_get return -1 on error 2011-05-25 08:46:38 -05:00