Soeren Sandmann <[email protected]> writes:
> [...]
> - What is going on inside QEMU?
> - Which client is the X server servicing?
> - What parts of a python/shell/scheme/javascript program is
> taking the most CPU time?
> [...]
These kinds of questions usually require navigation through internal
data of the user-space process ("Where in this linked list is this
pointer?"), and often also correlating them with history ("which
socket/fd was most recently serviced?").
Systemtap excels at letting one express such things.
- FChE
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