Sun.Dec 22, 2019

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BPF Theremin, Tetris, and Typewriters

Brendan Gregg

For my AWS re:Invent talk on BPF Performance Analysis at Netflix, I began with a demo of "BPF superpowers" (aka eBPF). The video is on [youtube] and the demo starts at [0:50] (the sildes are on [slideshare]): I'm demonstrating a tool I developed to turn my laptop's wifi signal strength into audio. I first developed it as this [bpftrace] one-liner: bpftrace -e 'k:__iwl_dbg /str(arg4) == "Rssi %d, TSF %llun"/ { printf("strength: %dn", arg5); }'.

C++ 102
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Get up to 300 new metrics out of the box with AWS supporting services (GA)

Dynatrace

Dynatrace news. AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. You can use these services in combinations that are tailored to help your business move faster, lower IT costs, and support scalability. But to understand if your cloud-based applications, as well as environments they run in, are working as designed, you need to see how every single application component communicates and interacts with the ot

AWS 134
article thumbnail

Get up to 300 new metrics out of the box with AWS supporting services (GA)

Dynatrace

Dynatrace news. AWS offers a broad set of global, cloud-based services including computing, storage, networking, Internet of Things (IoT), and many others. You can use these services in combinations that are tailored to help your business move faster, lower IT costs, and support scalability. But to understand if your cloud-based applications, as well as environments they run in, are working as designed, you need to see how every single application component communicates and interacts with the ot

AWS 138