New answers tagged cgroups
I came up with a systemtap script which is close to what I wanted to do, but it does not track writes. The code is on a gist: https://gist.github.com/Martiusweb/10633360
Following my comment I have just remembered this great command : iotop iotop watches I/O usage information output by the Linux kernel (requires 2.6.20 or later) and displays a table of current I/O usage by processes or threads on the system. However it is usually not installed so since your server seems to be in production, you may want to have a look ...
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