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1
.gitignore
vendored
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.gitignore
vendored
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target
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FlameGraph
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scripts/README.md
Normal file
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scripts/README.md
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scripts
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=======
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There are two scripts included at the time this README was written, and they
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both support flamegraph generation on Ubuntu. The first script installs the
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required dependencies:
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```sh
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scripts/ubuntu-install-perf.sh
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```
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The second script will run Alacritty while recording call stacks. After the
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Alacritty process exits, a flamegraph will be generated and its URI printed.
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```sh
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scripts/create-flamegraph.sh
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```
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**NOTE**: The _create-flamegraph.sh_ script is intended to be run from the
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alacritty project root.
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scripts/create-flamegraph.sh
Executable file
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scripts/create-flamegraph.sh
Executable file
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#!/usr/bin/env bash
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# Make sure FlameGraph scripts are available
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if [ ! -e ./FlameGraph ]
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then
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git clone https://github.com/BrendanGregg/FlameGraph
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fi
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if [ ! -e target/release/alacritty ]
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then
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echo "Must build alacritty first: cargo build --release"
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exit 1
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fi
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# This will block while alacritty runs
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perf record -g -F 99 target/release/alacritty
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perf script | ./FlameGraph/stackcollapse-perf.pl | ./FlameGraph/flamegraph.pl --width 1920 > alacritty.svg
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echo "Flame graph created at file://$(pwd)/alacritty.svg"
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scripts/ubuntu-install-perf.sh
Executable file
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scripts/ubuntu-install-perf.sh
Executable file
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#!/usr/bin/env bash
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set -v
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# Get kernel info
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UNAME=$(uname -r)
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# Install linux tools for the perf binary
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sudo apt-get install -y \
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linux-tools-common \
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linux-tools-generic \
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linux-tools-$UNAME
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