Re: BoF on LPC 2019 : Linux Perf advancements for compute intensive and server systems

From: Arnaldo Carvalho de Melo
Date: Mon Aug 26 2019 - 09:55:42 EST


Em Mon, Aug 26, 2019 at 02:36:48PM +0300, Alexey Budankov escreveu:
>
> Hi,
>
> There is a BoF session scheduled on Linux Plumbers Conference 2019 event.
> If you plan attend the event feel free to join and discuss about the BoF
> topic and beyond:
>
> Linux Perf advancements for compute intensive and server systems:
>
> "Modern server and compute intensive systems are naturally built around
> several top performance CPUs with large amount of cores and equipped
> by shared memory that spans a number of NUMA domains. Compute intensive
> workloads usually implement highly parallel CPU bound cyclic codes
> performing mathematics calculations that reference data located in
> the shared memory. Performance observability and profiling of these
> workloads on such systems have unique characteristics and impose specific
> requirements on software performance tools. The requirements include
> tools CPU scalability, coping with high rate and volume of collected
> performance data as well as NUMA awareness. In order to fulfill that
> requirements a number of extensions have been implemented in Linux Perf
> tool that are currently a part of the Linux kernel source tree
> [1], [2], [3], [4]"

All those are already merged, after long reviewing phases and lots of
testing, right?

I think the next step for people working in this area, in preparation
for this BoF, is to list what are their current efforts, like Ian et all
did in:

https://linuxplumbersconf.org/event/4/contributions/291/

- Arnaldo

> Best regards,
> Alexey
>
> [1] https://marc.info/?l=linux-kernel&m=154149439404555&w=2
> [2] https://marc.info/?l=linux-kernel&m=154817912621465&w=2
> [3] https://marc.info/?l=linux-kernel&m=155293062518459&w=2
> [4] https://www.kernel.org/doc/html/latest/admin-guide/perf-security.html

--

- Arnaldo