~/talks

Brendan Gregg

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titleconferencedate
AI flame graphs with eBPFLinux Plumbers Conference 20252025-12-11
An open source AI flame graphs tool is built that merges eBPF context with Intel EU stall hardware sampling to produce unified CPU+GPU flame graphs showing GPU…
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Visualizing Performance - The Developers’ Guide to Flame GraphsYOW! Melbourne 20222022-12-08
Flame graphs visualize sampled stacks by sorting the population on the x axis (the original implementation in Perl, 2011) so hotspots appear as wide bars; the…
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eBPF: Fueling New Flame Graphs & moreYOW! Melbourne 20222022-12-08
eBPF becomes a kernel-hosted VM that runs verified JIT-compiled programs to do tracing, security and networking with real deployments like 14 BPF programs at…
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Computing Performance 2022: What's on the HorizonSREcon22 Asia/Pacific2022-12-07
Survey of near-term platform changes: processors hit ~3.5 GHz plateau with recent beta 3.9 GHz parts, chiplet and 3D stacking and rising core counts (e.g., AMD…
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Linux Systems PerformanceLISA192019-10-28
An application shows a claimed 3x speedup; root cause analysis proves it: IPC 0.56 vs 1.5 (container host runs three times more instructions per cycle), LLC…
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Linux Container Performance AnalysisLISA172017-10-29
Describes Netflix Titus as a runtime that launches 1,000,000 containers in one week and uses Linux 4.9+, Intel snap and Netflix Vector/Atlas for metrics. Shows…
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Linux Systems Performance - ArchitecturePercona Live 20162016-04-18
Condensed systems practice that names actual wins: six areas (observability, methodology, benchmarking, profiling, tracing, tuning) with recipes using vmstat…
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Blazing Performance with Flame GraphsLISA '132013-11-03
A compact workflow: sample stacks with perf or DTrace, run stackcollapse.pl, and generate an interactive SVG with flamegraph.pl so you can read which functions…
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