Updates and Meeting Minutes from TSC+Developer bi-weekly (2015/9/30)


Brenden Blanco <bblanco@...>
 

Hello iovisor-dev,

Today was the biweekly IOVisor TSC/Dev call, for which the meeting
minutes are included below.

We primarily covered status for the previous two weeks.

=== Meetups ===

On 2015/9/21, Huawei hosted an IOVisor Meetup through
http://www.meetup.com/Silicon-Valley-Linux-Technology
- Presenters: Pere Monclus, Brenden Blanco, Brendan Gregg, Jianwen Pi
- Great attendance (~100 people), interesting questions and interactive
audience.

Possible meetup next month hosted by Cisco, stay tuned

=== Blog posts ===

Brendan Gregg
"bcc: Taming Linux 4.3+ Tracing Superpowers"
http://www.brendangregg.com/blog/2015-09-22/bcc-linux-4.3-tracing.html
Interesting discussion on hackernews related to this: systemtap vs dtrace
vs bcc
https://news.ycombinator.com/item?id=10262216

Suchakra Sharma
"Linux Networking, Tracing and IO Visor, a New Systems Performance Tool for
a Distributed World"
http://thenewstack.io/comparing-dtrace-iovisor-new-systems-performance-platform-advance-linux-networking-virtualization/

=== Code changes ===

BCC:
- from Mihai Budiu: Initial P4->eBPF (BCC) compiler
- from Brendan Gregg: Many tracing tools updates from Brendan Gregg,
showcased at meetup
- biolatency, funclatency, tcpv4connect, opensnoop, killsnoop
- from Brenden Blanco: Tracing bugfixes and enhancements
- nested probe reads, built in histogram support
- ability to consume perf events in python
- from Suchakra Sharma: Kprobe features, bugfixes, and documentation
updates

LLVM:
- various bugfixes for eBPF backend

=== GBP Efforts ===
Keith is Working with Huawei to merge code to improve the renderer, once
this merges will ease the GBP<->IOVisor implementation detailed last
meeting.

Plan to start coding prototypes this week, with working json examples
provided to the team for lower level work to build off of.

=== Additional discussion topics ===

Keith suggested that we create a top-level page on github.com/iovisor,
contents to be a wiki page, news, updates, etc.

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