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August 22nd - 24th in Toronto, Canada
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Monday, August 22 • 11:45am - 12:35pm
Performance Monitoring and Analysis Using Perf and BPF - Nan Wang, Huawei

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Performance monitoring and analysis using perf and BPF (Wang Nan, HUAWEI) - Jovi (jovi.zhangwei@huawei.com) worked on ktap several years ago. ktap appeared to be a good solution on performance monitoring at 2013. However, due to the dispute about the in-kernel lua virtual machine, ktap's solution is not accepted by the mainline kernel. On 2014, Wang Nan restarted Jovi's work base on perf and BPF. After 2 years development, main part of perf BPF support has been merged into mainline kernel successfully. In this presentation, Wang Nan will summarize his work on perf and BPF, give a brief tutorial about the usage of BPF scripts with perf, introduce many features of perf BPF support like BPF prologue, reading from PMU, and bpf-output perf event. He will also give some HUAWEI's real experience on performance monitoring and analysis using perf and BPF, on server and smart phone.

Speakers
NW

Nan Wang

Senior software engineer, Huawei
Senior software engineer in HUAWEI's operating system department. This department provides Linux kernel to a variety of HUAWEI's production lines, including IT (servers), CT (base stations) and mobile devices (smart phones). Part of my current job is guiding my colleague around the company to use perf to analysis system performance. I also focus on smartphone performance. As an active perf developer, I have more than 120 perf patches, mainly... Read More →


Monday August 22, 2016 11:45am - 12:35pm
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