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USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon

Brendan Gregg

This included SysAdmin magazine, which contained articles from various experts including Amy Rich, and a couple of advertisements: One was to submit your own articles to the magazine for publication (by writing to the editor, Rikki Endsley) and another was to attend USENIX conferences in the US and learn directly from the experts!

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USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon

Brendan Gregg

This included SysAdmin magazine, which contained articles from various experts including Amy Rich, and a couple of advertisements: One was to submit your own articles to the magazine for publication (by writing to the editor, Rikki Endsley) and another was to attend USENIX conferences in the US and learn directly from the experts!

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Current status, needs, and challenges in Heterogeneous and Composable Memory from the HCM workshop (HPCA’23)

ACM Sigarch

using Compute Express Link or CXL), organizing memory components for optimal performance, adapting system software traditionally designed for homogeneous memory systems, and developing memory abstractions and programming constructs for HCM management.

Latency 52
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A persistent problem: managing pointers in NVM

The Morning Paper

At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. On the last morning of the conference Daniel Bittman presented some of the work being done in the context of the Twizzler OS project to explore new programming models for NVM.

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How To Add eBPF Observability To Your Product

Brendan Gregg

cachestat File system cache statistics line charts. I see people think like a programmer instead and feel they must start by learning bcc and BPF programming in depth. Here are the top ten tools you can run and present as a generic BPF observability dashboard, along with suggested visualizations: Tool Shows Visualization.

Latency 145
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A thorough introduction to bpftrace

Brendan Gregg

BPF has been extended (aka eBPF) in recent years for providing a safe way to extend kernel functionality, and has become a hot topic in systems engineering, with at least 24 talks on BPF at the last Linux Plumber's conference. The probe is BEGIN , a special probe that runs at the beginning of the program (like awk). was just released.

Latency 68
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Architectural Myopia

ACM Sigarch

It is much more difficult to publish truly risky, revolutionary research due to implicit filters in what gets funded and what makes it past a program committee. I have participated in program committees where we could not address or evaluate a paper because it is outside our areas of expertise. Discounting the Past.