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Hi, I know how to trace the number of bytes read/written by a program by summing the argument of that read/write syscall. However, the way the OS services read/write calls is in blocks. I wonder if it''s possible to trace the actual number of blocks read/written caused by the syscalls? -- This message posted from opensolaris.org

FYI, I posted a blog a few days ago about a DTrace provider for NFS that is currently in development: http://blogs.sun.com/roller/page/samf?entry=a_dtrace_provider_for_nfs Let''s discuss any questions, comments, etc. here. I also advertised this on nfs-discuss at opensolaris.org. Naturally, I would expect the discussion here to be more on the specifics of DTrace, and the