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Start/Stop hook in apps #6

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svalat opened this issue Mar 23, 2018 · 1 comment

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enhancement good first issue

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svalat commented Mar 23, 2018

Add hook support to start and stop instrumentation to track only a sub-part of the application.

svalat added the enhancement label

svalat added this to the Version 1.1.0 milestone

svalat added the good first issue label

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svalat commented Oct 7, 2018 •

edited

The patch should be quite easy.

It requires to :

capture call to two functions to start/stop instrumentation which might be named numaprof_instr_start/numaprof_instr_stop. Can look on malloc/free/realloc instrumentation.
Add an option to start numaprof in stop mode when running with this (or automatically enable if found usage of the two previous symbols)
Do not instrument memory accesses in ThreadTracker if in stop mode.

To be seen if we keep analysis of first touch of not (if we place the if/return at beginning of function of if/set skip.

Work is mainly here :

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