fun-with-linux-memory 
n0derunner
APRIL 18, 2024
How to use some of Linux’s standard tools and how different types of memory usage shows up. Examples of using malloc and writing to memory with three use-cases for a simple process In each case we run the example with a 64MB allocation so that we can see the usage from standard linux tools.
Alex Russell
JUNE 19, 2020
Perhaps there's a better solution, but I've been iterating on content and templates by firing up a linux terminal on my 2017 Pixelbook and starting the built-in 11ty filewatcher and browser sync tools. The caches added by these changes are likely error prone and may bloat build memory for large sites. So can we go faster? MiB | 2.99
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Adrian Cockcroft
JUNE 21, 2022
did over 200% of his target several years running as we took British Telecom to Sun UK’s biggest account) we were “kicking butt and having fun” as Scott McNealy liked to say. This was a big jump to make, I had to wear a suit to work every day, and spend all my time paired up with a sales rep visiting customers.
Nick Desaulniers
OCTOBER 24, 2018
Before booting a compiled Linux kernel image on actual hardware, it can save us time and potential headache to do a quick boot in a virtual machine like QEMU. mkinitramfs -o ramdisk.img $ echo "add-auto-load-safe-path path/to/linux/scripts/gdb/vmlinux-gdb.py" >> ~/.gdbinit. cd linux $./scripts/config gdbinit. #
Brendan Gregg
AUGUST 18, 2019
bpftrace is a new open source tracer for Linux for analyzing production performance problems and troubleshooting software. Linux already has many performance tools, but these are often counter-based and have limited visibility. BPF is in the Linux kernel, and bpftrace is the best way to get started using BPF for observability.
High Scalability
SEPTEMBER 7, 2018
million : new image/caption training set; 32,408,715 : queries sent to Pwned Passwords; 53% : Memory ICs Total 2018 Semi Capex; 11 : story Facebook datacenter prison in Singapore; $740,357 : ave cost of network downtime; Quotable Quotes: @BenedictEvans : Recorded music: $18 billion. most of the benefit in a memory-heavy workload!
Nick Desaulniers
APRIL 6, 2020
Inspired by posts like My Hardest Bug Ever , Debugging an evil Go runtime bug , and others from /r/TalesFromDebugging , I wanted to share with you one of my favorites from recent memory. My freshly built Linux kernel, built with a large new compiler feature that’s been in development for months is finally now building but is not booting.
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