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Brendan Gregg's Blog
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Blog Posts
01 Mar 2023 » USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon
17 Feb 2023 » USENIX SREcon APAC 2023: CFP
02 May 2022 » [email protected]
15 Apr 2022 » Netflix End of Series 1
09 Apr 2022 » TensorFlow Library Performance
19 Mar 2022 » Why Don't You Use ...
26 Sep 2021 » The Speed of Time
06 Sep 2021 » ZFS Is Mysteriously Eating My CPU
30 Aug 2021 » Analyzing a High Rate of Paging
27 Aug 2021 » Slack's Secret STDERR Messages
05 Jul 2021 » USENIX LISA2021 Computing Performance: On the Horizon
03 Jul 2021 » How To Add eBPF Observability To Your Product
15 Jun 2021 » USENIX LISA2021 BPF Internals (eBPF)
04 Jun 2021 » An Unbelievable Demo
29 May 2021 » Moving my US tech job to Australia
23 May 2021 » What is Observability
09 May 2021 » Poor Disk Performance
04 Nov 2020 » BPF binaries: BTF, CO-RE, and the future of BPF perf tools
15 Jul 2020 » Systems Performance: Enterprise and the Cloud, 2nd Edition
08 Mar 2020 » LISA2019 Linux Systems Performance
22 Dec 2019 » BPF Theremin, Tetris, and Typewriters
02 Dec 2019 » BPF: A New Type of Software
15 Oct 2019 » Two kernel mysteries and the most technical talk I've ever seen
19 Aug 2019 » A thorough introduction to bpftrace
15 Jul 2019 » BPF Performance Tools: Linux System and Application Observability (book)
26 Apr 2019 » YOW! 2018 Cloud Performance Root Cause Analysis at Netflix
01 Jan 2019 » Learn eBPF Tracing: Tutorial and Examples
15 Dec 2018 » FlameScope Origin
08 Nov 2018 » FlameScope Pattern Recognition
08 Oct 2018 » bpftrace (DTrace 2.0) for Linux 2018
30 Jun 2018 » Evaluating the Evaluation: A Benchmarking Checklist
31 May 2018 » Linux bcc/eBPF tcpdrop
19 May 2018 » Sloth Cloud Instance
30 Apr 2018 » USENIX LISA 2018: CFP Now Open
22 Mar 2018 » TCP Tracepoints
09 Feb 2018 » KPTI/KAISER Meltdown Initial Performance Regressions
17 Jan 2018 » How To Measure the Working Set Size on Linux
31 Dec 2017 » AWS re:Invent 2017: How Netflix Tunes EC2
29 Nov 2017 » AWS EC2 Virtualization 2017: Introducing Nitro
13 Nov 2017 » Brilliant Jerks in Engineering
28 Oct 2017 » EuroBSDcon: System Performance Analysis Methodologies
05 Sep 2017 » Solaris to Linux Migration 2017
24 Aug 2017 » Total Solar Eclipse 2017
08 Aug 2017 » Linux Load Averages: Solving the Mystery
30 Jul 2017 » Coloring Flame Graphs: Code Hues
30 Jun 2017 » Java Package Flame Graph
16 May 2017 » Working at Netflix 2017
15 May 2017 » Container Performance Analysis at DockerCon 2017
09 May 2017 » CPU Utilization is Wrong
04 May 2017 » The PMCs of EC2: Measuring IPC
29 Apr 2017 » USENIX/LISA 2016 Linux bcc/BPF Tools
23 Apr 2017 » USENIX/LISA 2013 Blazing Performance with Flame Graphs
16 Mar 2017 » perf sched for Linux CPU scheduler analysis
06 Feb 2017 » Flame Graphs vs Tree Maps vs Sunburst
05 Feb 2017 » Where has my disk space gone? Flame graphs for file systems
31 Jan 2017 » Golang bcc/BPF Function Tracing
27 Dec 2016 » Give me 15 minutes and I'll change your view of Linux tracing
30 Nov 2016 » Linux bcc/BPF tcplife: TCP Lifespans
27 Oct 2016 » DTrace for Linux 2016
21 Oct 2016 » Linux 4.9's Efficient BPF-based Profiler
15 Oct 2016 » Linux bcc tcptop
12 Oct 2016 » Linux bcc/BPF Node.js USDT Tracing
08 Oct 2016 » Linux bcc/BPF Run Queue (Scheduler) Latency
06 Oct 2016 » Linux bcc ext4 Latency Tracing
04 Oct 2016 » Linux MySQL Slow Query Tracing with bcc/BPF
01 Oct 2016 » Linux bcc Tracing Security Capabilities
28 Sep 2016 » Java Warmup
03 Sep 2016 » Sudden Disk Utilization
09 Aug 2016 » gdb Debugging Full Example (Tutorial): ncurses
23 Jul 2016 » Deirdr茅
13 Jul 2016 » llnode for Node.js Memory Leak Analysis
14 Jun 2016 » Ubuntu Xenial bcc/BPF
08 Jun 2016 » Hist Triggers in Linux 4.7
04 May 2016 » SREcon: Performance Checklists for SREs 2016
30 Apr 2016 » Linux 4.5 perf folded format
30 Mar 2016 » Working at Netflix 2016
28 Mar 2016 » Linux BPF/bcc Road Ahead, March 2016
05 Mar 2016 » Linux BPF Superpowers
08 Feb 2016 » Linux eBPF/bcc uprobes
05 Feb 2016 » Who is waking the waker? (Linux chain graph prototype)
01 Feb 2016 » Linux Wakeup and Off-Wake Profiling
27 Jan 2016 » Unikernel Profiling: Flame Graphs from dom0
20 Jan 2016 » Linux eBPF Off-CPU Flame Graph
18 Jan 2016 » Linux eBPF Stack Trace Hack
03 Dec 2015 » Linux Performance Analysis in 60s (video)
06 Nov 2015 » Java Mixed-Mode Flame Graphs at Netflix, JavaOne 2015
31 Oct 2015 » tcpconnect and tcpaccept for Linux (bcc)
22 Sep 2015 » bcc: Taming Linux 4.3+ Tracing Superpowers
11 Aug 2015 » Flame Graph Search
08 Jul 2015 » Choosing a Linux Tracer (2015)
03 Jul 2015 » Hacking Linux USDT with Ftrace
28 Jun 2015 » Linux uprobe: User-Level Dynamic Tracing
23 Jun 2015 » Netflix Instance Analysis Requirements
15 May 2015 » eBPF: One Small Step
15 May 2015 » The DTraceToolkit Project Has Ended
30 Apr 2015 » SE-Radio Episode 225: Systems Performance
17 Mar 2015 » USENIX/LISA 2014 New Tools and Old Secrets (perf-tools)
12 Mar 2015 » FreeBSD Off-CPU Flame Graphs
10 Mar 2015 » FreeBSD Flame Graphs
06 Mar 2015 » MeetBSD CA: Performance Analysis of BSD
03 Mar 2015 » Performance Tuning Linux Instances on EC2
28 Feb 2015 » Tracing Summit 2014: From DTrace To Linux
27 Feb 2015 » SCALE13x: Linux Profiling at Netflix
26 Feb 2015 » Linux perf_events Off-CPU Time Flame Graph
20 Jan 2015 » Working at Netflix
31 Dec 2014 » Linux Page Cache Hit Ratio
22 Nov 2014 » Linux Performance Tools 2014
09 Nov 2014 » Differential Flame Graphs
31 Oct 2014 » CPI Flame Graphs: Catching Your CPUs Napping
27 Sep 2014 » From Clouds to Roots: Performance Analysis at Netflix
17 Sep 2014 » node.js Flame Graphs on Linux
15 Sep 2014 » The MSRs of EC2
11 Sep 2014 » Kernel Line Tracing: Linux perf Rides the Rocket
06 Sep 2014 » Linux ftrace TCP Retransmit Tracing
30 Aug 2014 » ftrace: The Hidden Light Switch
23 Aug 2014 » Linux Performance Tools at LinuxCon North America 2014
28 Jul 2014 » execsnoop For Linux: See Short-Lived Processes
25 Jul 2014 » opensnoop For Linux
23 Jul 2014 » Linux iosnoop Latency Heat Maps
16 Jul 2014 » iosnoop For Linux
13 Jul 2014 » Linux ftrace Function Counting
10 Jul 2014 » perf Hacktogram
03 Jul 2014 » perf Counting
01 Jul 2014 » perf Heat Maps
29 Jun 2014 » perf Static Tracepoints
22 Jun 2014 » perf CPU Sampling
12 Jun 2014 » Java Flame Graphs
09 Jun 2014 » Java CPU Sampling Using hprof
23 May 2014 » OS X 10.9.3 Recurring Panics
17 May 2014 » Free, as in, We Own Your IP
16 May 2014 » USENIX/LISA 2013 Metrics Workshop
11 May 2014 » strace Wow Much Syscall
09 May 2014 » Xen Feature Detection
07 May 2014 » Xen Modes: What Color Is Your Xen?
03 May 2014 » The Benchmark Paradox
02 May 2014 » Compilers Love Messing With Benchmarks
27 Apr 2014 » Compilers: Let Me Obfuscate That For You
26 Apr 2014 » The noploop CPU Benchmark
20 Apr 2014 » A New, Static, Blog
Archive
Older, archived posts are in my blog archive. See my homepage for other material I've written. Site Navigation Systems Performance 2nd Ed.BPF Performance Tools book Recent posts: 01 Mar 2023 » USENIX SREcon APAC 2022: Computing Performance: What's on the Horizon 17 Feb 2023 » USENIX SREcon APAC 2023: CFP 02 May 2022 » [email protected] 15 Apr 2022 » Netflix End of Series 1 09 Apr 2022 » TensorFlow Library Performance 19 Mar 2022 » Why Don't You Use ... 26 Sep 2021 » The Speed of Time 06 Sep 2021 » ZFS Is Mysteriously Eating My CPU 30 Aug 2021 » Analyzing a High Rate of Paging 27 Aug 2021 » Slack's Secret STDERR Messages 05 Jul 2021 » USENIX LISA2021 Computing Performance: On the Horizon 03 Jul 2021 » How To Add eBPF Observability To Your Product 15 Jun 2021 » USENIX LISA2021 BPF Internals (eBPF) 04 Jun 2021 » An Unbelievable Demo 29 May 2021 » Moving my US tech job to Australia 23 May 2021 » What is Observability 09 May 2021 » Poor Disk Performance 04 Nov 2020 » BPF binaries: BTF, CO-RE, and the future of BPF perf tools 15 Jul 2020 » Systems Performance: Enterprise and the Cloud, 2nd Edition 08 Mar 2020 » LISA2019 Linux Systems Performance Blog index About RSS Brendan's site: Start Here Homepage Blog Sys Perf book BPF Perf book Linux Perf eBPF Tools perf Examples Perf Methods USE Method TSA Method Off-CPU Analysis Active Bench. WSS Estimation Flame Graphs Heat Maps Frequency Trails Colony Graphs DTrace Tools DTraceToolkit DtkshDemos Guessing Game Specials Books Other Sites Copyright 2021 Brendan Gregg.About this blog |
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