Chen Yaqi chendotjs

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chendotjs / bpfman

Last active September 17, 2023 07:33

	#/bin/bash

	if [[ $# -lt 1 ]]; then
	ctags -R -x --kinds-C=pd /usr/include/bpf/
	else
	funcline=$(ctags -R -x --kinds-C=pd /usr/include/bpf/ \| grep $1)
	echo $funcline \| awk '{printf("%s %s\n", $4, $3)}' \| if read -r src linenum; then
	ag -B 1 -A 5 "$1\(" $src
	fi
	fi

chendotjs / patch-extended-resource.go

Created August 11, 2022 08:49

This is a client-go example of https://kubernetes.io/docs/tasks/administer-cluster/extended-resource-node/

	package main

	import (
	"context"
	"flag"
	"fmt"
	"log"
	"path/filepath"

	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

chendotjs / download-k8s-deps.sh

Created June 20, 2023 07:42

https://suraj.io/post/2021/05/k8s-import/

	#!/bin/bash

	VERSION=${1#"v"}
	if [ -z "$VERSION" ]; then
	echo "Please specify the Kubernetes version: e.g."
	echo "./download-deps.sh v1.21.0"
	exit 1
	fi

	set -euo pipefail

chendotjs / latency.txt

Created March 29, 2024 01:48 — forked from jboner/latency.txt

Latency Numbers Every Programmer Should Know

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD