Re: [PATCH v2 0/9] Introduce Data Access MONitor (DAMON)

[Qian Cai]

> On Jan 28, 2020, at 3:58 AM, sjpark@xxxxxxxxxx wrote:
> 
> This patchset introduces a new kernel module for practical monitoring of data
> accesses, namely DAMON.
> 
> The patches are organized in the following sequence.  The first four patches
> implements the core logic of DAMON one by one.  After that, the fifth patch
> implements DAMON's debugfs interface for users.  To provide a minimal reference
> to the low level interface and for more convenient use/tests of the DAMON, the
> sixth patch implements an user space tool.  The seventh patch adds a document
> for administrators of DAMON, and the eightth patch provides DAMON's kunit
> tests.  Finally, the ninth patch implements a tracepoint for DAMON.  As the
> tracepoint prints every monitoring results, it will be easily integrated with
> other tracers supporting tracepoints including perf.

I am a bit surprised that this patchset did not include perf maintainers which makes me wonder if there is any attempt to discuss first if we actually need a whole new subsystem for it or a existing tool can be enhanced.