Messages in this thread | | | Date | Thu, 11 Dec 1997 07:11:49 -0500 (EST) | From | "Steven N. Hirsch" <> | Subject | smbfs trace on WfW |
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Bill,
Welcome to the Twilight Zone! Here is the trace from an iozone run against WfW with debugging turned on in smbfs/file.c:
Dec 11 07:00:26 cy kernel: smb_newconn: state valid, pid=1398 Dec 11 07:00:35 cy kernel: smb_revalidate_inode: up-to-date, jiffies=4362604, oldtime=4362596 Dec 11 07:00:35 cy last message repeated 2 times Dec 11 07:00:35 cy kernel: smb_request_ok: rcls=1, err=18 mapped to 0 Dec 11 07:00:35 cy kernel: smb_revalidate_inode: up-to-date, jiffies=4362611, oldtime=4362611 Dec 11 07:00:35 cy kernel: smb_revalidate_inode: up-to-date, jiffies=4362611, oldtime=4362611 Dec 11 07:00:38 cy kernel: smb_file_permission: mode=81b6, mask=0 Dec 11 07:00:38 cy kernel: smb_file_open: opening bench/iozone.tmp, d_count=1 Dec 11 07:00:38 cy kernel: smb_file_write: file bench/iozone.tmp, count=512@0 Dec 11 07:00:38 cy kernel: smb_writepage_sync: file bench/iozone.tmp, count=512@0, wsize=2868 Dec 11 07:00:38 cy kernel: smb_file_write: pos=512, size=512, mtime=881841638, atime=881841638 Dec 11 07:00:38 cy kernel: smb_file_write: file bench/iozone.tmp, count=512@512 Dec 11 07:00:38 cy kernel: smb_writepage_sync: file bench/iozone.tmp, count=512@512, wsize=2868 Dec 11 07:00:38 cy kernel: smb_file_write: pos=1024, size=1024, mtime=881841638, atime=881841638 Dec 11 07:00:38 cy kernel: smb_file_write: file bench/iozone.tmp, count=512@1024 Dec 11 07:00:38 cy kernel: smb_writepage_sync: file bench/iozone.tmp, count=512@1024, wsize=2868 Dec 11 07:00:38 cy kernel: smb_file_write: pos=1536, size=1536, mtime=881841638, atime=881841638 Dec 11 07:00:38 cy kernel: smb_file_write: file bench/iozone.tmp, count=512@1536 Dec 11 07:00:38 cy kernel: smb_writepage_sync: file bench/iozone.tmp, count=512@1536, wsize=2868 . . .
Dec 11 07:00:45 cy kernel: smb_file_write: pos=108032, size=108032, mtime=881841640, atime=881841640 Dec 11 07:00:45 cy kernel: smb_file_write: file bench/iozone.tmp, count=512@108032 Dec 11 07:00:46 cy kernel: smb_writepage_sync: file bench/iozone.tmp, count=512@108032, wsize=2868 Dec 11 07:00:46 cy kernel: smb_file_write: pos=108544, size=108544, mtime=881841640, atime=881841640
(subsequent iozone auto cycle omitted)
You will note the glaring absence of any log entries pertaining to smb_read operations <g>. Nonetheless, reads are occurring (albeit at slower rates than would be expected with cacheing), so where is the data coming from? BTW, I'm confident that read tracing is operational, as it does pickup activity from cat-ing existing files on the server.
What would you like to see next?
Steve
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