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Muzzy proslijedio/la je Tweet
I'd really like to see the page pool used within the Intel driver (yeah, yeah, better hack it already!
) I believe this is the path for merging the AF_XDP zero-copy code with the "vanilla" one.https://twitter.com/tmonjalo/status/1223582807366291456 …
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Muzzy proslijedio/la je Tweet
Egress (!) XDP folks: https://lore.kernel.org/netdev/20200123014210.38412-1-dsahern@kernel.org/ … Very cool work from
@dsahernHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Muzzy proslijedio/la je Tweet
New Tutorial accepted for
@netdev01 0x14! Maxim Mikityanskiy will provide a tutorial on how to add zero copy AF_XDP support to a Linux network driver. He will be going over the details of the mlx5e driver as an example. Come, learn, engage#netdevconf https://bit.ly/36jOJkiHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Muzzy proslijedio/la je Tweet
This is
using historical data to predict container performance and using cgroups to control CPU placement. CFS makes an attempt at all of these things (except using PMCs to guide placement) but it’s always going to be imperfect because...https://twitter.com/MikeTamir/status/1218573020572409856 …
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Muzzy proslijedio/la je Tweet
So even more... new pahole runs without vmlinux - it can feed symbols from thin air! (I mean BTF)https://twitter.com/acmel/status/1214231536305922051 …
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Muzzy proslijedio/la je Tweet
Ever wondered how large is struct sk_buff or struck sock? Nothing simpler! $ pahole -C sock src/linux/vmlinux | tail $ pahole -C sk_buff src/linux/vmlinux | tail (as usual, suggested by
@jkbs0)pic.twitter.com/X4NzZ182fr
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Muzzy proslijedio/la je Tweet
Here's the live request flow on a large subset of the 1500+ microservices on the
@MakingMonzo Platform. A lot of things are involved in running a bank! If you used the@monzo app at around 3pm today, you might be represented
pic.twitter.com/mkublWrRCVHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Muzzy proslijedio/la je Tweet
trying to write safe chttps://twitter.com/captionation1/status/1208784743392636929 …
0:48Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi -
Muzzy proslijedio/la je Tweet
#ebpf exporter now comes with btf support on fresh kernels, so you can see source code interleaved with xlated and jited version: https://github.com/cloudflare/ebpf_exporter/releases/tag/v1.2.2 … (provided by https://github.com/iovisor/gobpf/pull/219 …)pic.twitter.com/AzvVSQzfOo
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Muzzy proslijedio/la je Tweet
Facebook's Martin KaFai Lau has developed BPF STRUCT_OPS to allow implementing tcp_congestion_ops (and more) in BPF. https://marc.info/?l=linux-netdev&m=157628446429144&w=2 …
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Muzzy proslijedio/la je Tweet
Knuth did it: The Art of Computer Programming, Volume 4, Fascicle 5 is out!!! (Was supposed to come out in 1960.)https://www.amazon.com/dp/0134671791/
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Muzzy proslijedio/la je Tweet
We learned that the Norwegian Police ICT is using Cilium. We apologize to all Norwegians for routing all those parking violation tickets.pic.twitter.com/DZy5ZD1cGQ
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Muzzy proslijedio/la je Tweet
TIL:
@ciliumproject's Cilium CNI implementation for#Kubernetes uses eBPF to transparently rewrite `connect(2)` system calls (and others) from Service ClusterIPs to some Endpoint PodIP
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Muzzy proslijedio/la je Tweet
Brand new Arm optimization guides for SVE and NEON are out now, including a guide of coding for SVE versus NEON (https://bit.ly/2KnzvCR )! NEON: https://developer.arm.com/docs/101725/0200 … SVE: https://developer.arm.com/docs/101726/0200 … Our work on HPCG and the SVE methodology is featured too!
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Muzzy proslijedio/la je Tweet
Interesting algorithms used by Akamai https://www.akamai.com/us/en/multimedia/documents/technical-publication/algorithmic-nuggets-in-content-delivery-technical-publication.pdf …
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Muzzy proslijedio/la je Tweet
Fragment from an awesome CV (found on the internet): I am a good programmer. ... I realised academia wasn't for me. I don’t have any formal education in computer science but through reading and working with others, I have learned more about it than many people who have...
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Muzzy proslijedio/la je Tweet
Sure sex is great but have you ever tried getting really good at git?
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Muzzy proslijedio/la je Tweet
“Gcc under the hood” – a beginner tutorial that explores under the hood of the gcc compiler. Video: https://youtu.be/brxAm99w8D8 Slides: https://siddhesh.in/gcc-under-the-hood.pdf … Blog: https://siddhesh.in/posts/gcc-under-the-hood.html …
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Muzzy proslijedio/la je Tweet
A
@brendangregg FlameScope on@PostgreSQL pgbench --no-vacuum --protocol=prepared --builtin=select-only --jobs=1 --client=1 If you think you stress one database thread with this, it is not. The most active samples are in context switch. Most of elapsed time is network roundtrip.pic.twitter.com/Wtbyk9MQxK
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Muzzy proslijedio/la je Tweet
Here are the final slides for my RCU talk for
@KernelRecipes : http://www.joelfernandes.org/joel/slides/RCU_in_2019_KernelRecipes.pdf … There were some new updates for tasks RCU since the last revision. Glad to speak/attend and see you next time!#kr2019Prikaži ovu nitHvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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