Tagged with "cpu"

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Introduction to Lua-Land CPU Flame Graphs

Aug 31, 2020 18 mins read Posted by Yichun Zhang  (updated Jan 4, 2022)

  • What is a Flame Graph
  • Simple Lua samples
  • Complicated Lua applications
  • Sampling overhead
  • Safety
  • Compatibility
  • Other types of Lua-land Flame Graphs
Read more...

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1)

Nov 12, 2021 Posted by Yichun Zhang

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Introduction to Lua-Land CPU Flame Graphs

Aug 31, 2020 Posted by Yichun Zhang

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Memory Fragmentation in OpenResty and Nginx's Shared Memory Zones

Aug 10, 2020 Posted by Yichun Zhang

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How OpenResty and Nginx Shared Memory Zones Consume RAM

Aug 4, 2020 Posted by Yichun Zhang

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How OpenResty and Nginx Allocate and Manage Memory

Jan 21, 2020 Posted by Yichun Zhang

xray request demo
― Latest Articles
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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 4)

Dec 31, 2021 Posted by Yichun Zhang

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 3)

Dec 28, 2021 Posted by Yichun Zhang

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Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 2)

Nov 14, 2021 Posted by Yichun Zhang

Photo by Yichun Zhang
Ylang: Universal Language for eBPF, Stap+, GDB, and More (Part 1)

Nov 12, 2021 Posted by Yichun Zhang

Photo by Yichun Zhang
Gateway Config's Version Control & Release Management in OpenResty Edge

Oct 19, 2021 Posted by Yichun Zhang

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openresty tutorial nginx openresty-edge xray lua releases dynamic-tracing memory openresty-xray tracing ylang luajit pre-build packages proxy ssl cache certificates redirect screenplay
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