rajesh-s

Tested on Graviton2, ARM64, Ubuntu 22.04

git clone https://github.com/torvalds/linux.git # I did not have to match my kernel version to the source tree
cd tools/perf
sudo apt install make gcc flex bison pkg-config libzstd1 libdwarf-dev libdw-dev binutils-dev libcap-dev libelf-dev libnuma-dev python3 python3-dev python-setuptools libssl-dev libunwind-dev libdwarf-dev zlib1g-dev liblzma-dev libaio-dev libtraceevent-dev debuginfod libpfm4-dev libslang2-dev systemtap-sdt-dev libperl-dev binutils-dev libbabeltrace-dev libiberty-dev libzstd-dev python-dev-is-python3 libssl-dev python3-dev libpython3.10-dev libcapstone-dev
make # Ensure that all flags are turned on as necessary

rajesh-s

Add the following to a file grub-menu.sh to get the index number of the grub entry such as GRUB_DEFAULT="1>6" in /etc/default/grub and then run sudo update-grub

Source

#!/bin/bash

# NAME: grub-menu.sh
# PATH: $HOME/bin
# DESC: Written for AU Q&A: https://askubuntu.com/q/1019213/307523

rajesh-s

// Sample file using the Google C++ coding standard.
//
// http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml
//
// General rules:
//   - Indents are two spaces. No tabs should be used anywhere.
//   - Each line must be at most 80 characters long.
//   - Comments can be // or /* but // is most commonly used.
//   - File names should be lower_case.c or lower-case.c
//

rajesh-s

alias res='mkdir results_$(date '+%Y%m%d')'
alias crm='condor_rm'
alias chk='watch -n 1 condor_q --nobatch'
alias why='condor_q -hold'

rajesh-s

rocprof -i input.xml --timestamp on --basenames on --stats

input.xml

List of metrics

<metric name=TCC_HIT[0],TCC_HIT[1],TCC_HIT[2],TCC_HIT[3],TCC_HIT[4],TCC_HIT[5],TCC_HIT[6],TCC_HIT[7],TCC_HIT[8],TCC_HIT[9],TCC_HIT[10],TCC_HIT[11],TCC_HIT[12],TCC_HIT[13],TCC_HIT[14],TCC_HIT[15],TCC_MISS[0],TCC_MISS[1],TCC_MISS[2],TCC_MISS[3],TCC_MISS[4],TCC_MISS[5],TCC_MISS[6],TCC_MISS[7],TCC_MISS[8],TCC_MISS[9],TCC_MISS[10],TCC_MISS[11],TCC_MISS[12],TCC_MISS[13],TCC_MISS[14],TCC_MISS[15],TCC_EA_RDREQ[3],TCC_EA_RDREQ[4],TCC_EA_RDREQ[5],TCC_EA_RDREQ[6],TCC_EA_RDREQ[7],TCC_EA_RDREQ[8],TCC_EA_RDREQ[9],TCC_EA_RDREQ[10],TCC_EA_RDREQ[11],TCC_EA_RDREQ[12],TCC_EA_RDREQ[13],TCC_EA_RDREQ[14],TCC_EA_RDREQ[15],TCC_EA_WRREQ[0],TCC_EA_WRREQ[1],TCC_EA_WRREQ[2],TCC_EA_WRREQ[3],TCC_EA_WRREQ[4],TCC_EA_WRREQ[5],TCC_EA_WRREQ[6],TCC_EA_WRREQ[7],TCC_EA_WRREQ[8],TCC_EA_WRREQ[9],TCC_EA_WRREQ[10],TCC_EA_WRREQ[11],TCC_EA_WRREQ[12],TCC_EA_WRREQ[13],TCC_EA_WRREQ[14],TCC_EA_WRREQ[15] >

rajesh-s

Reference to get around

Screen

screen -S <session_name>
screen -ls
screen -r <attach_to_session>
Ctrl + A and then D to detach
screen -X -S <screen session> quit

rajesh-s

$ sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_64/3bf863cc.pub
$ sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1804/x86_64/7fa2af80.pub

rajesh-s

git config credential.useHttpPath true

rajesh-s

# Thanks to Job Vranish (https://spin.atomicobject.com/2016/08/26/makefile-c-projects/)
TARGET_EXEC := final_program

BUILD_DIR := ./build
SRC_DIRS := ./src

# Find all the C and C++ files we want to compile
# Note the single quotes around the * expressions. Make will incorrectly expand these otherwise.
SRCS := $(shell find $(SRC_DIRS) -name '*.cpp' -or -name '*.c' -or -name '*.s')

rajesh-s

gem5

• Getting started with gem5
  • How to build?
  • What is gem5?

Getting started with gem5

The gem5 simulator is most useful for research when you build new models and new features on top of the current codebase. Thus, the most common way to use gem5 is to download the source and build it yourself. Reference