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Linux Monitoring per-process I/O activity - File handles
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Fred E. Smite
Mar 12, 2012, 2:50:42 PM3/12/12
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Hello,
I am interested in retrieving
per process I/O statistics wrt
I/O done on file handles - specifically
at the entry/exit to syscall for *any* file/socket
operations.
If you have used (yikes) Windows task mgr, or perfmon,
it has similar capabilities, which I don't see the
3.x.x kernels.
Something in the likes of "sar" or "top"
( sar does entry/exit to subsystems, top is too
generic )
I have discovered the /proc/<pid>/task/fd
entries, but was disappointed in that the fd
entries do not give a indication of many bytes
have been read/written at syscall .
Any suggests of tools that may already do this ?
I am interested in retrieving
per process I/O statistics wrt
I/O done on file handles - specifically
at the entry/exit to syscall for *any* file/socket
operations.
If you have used (yikes) Windows task mgr, or perfmon,
it has similar capabilities, which I don't see the
3.x.x kernels.
Something in the likes of "sar" or "top"
( sar does entry/exit to subsystems, top is too
generic )
I have discovered the /proc/<pid>/task/fd
entries, but was disappointed in that the fd
entries do not give a indication of many bytes
have been read/written at syscall .
Any suggests of tools that may already do this ?
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