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TOOL: Add profile script helper for dtrace.

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This commit is contained in:
Jeremy Wall 2018-12-12 19:25:56 -06:00
parent ac66b468fd
commit d9419a4aef
1 changed files with 11 additions and 0 deletions
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bin/dtrace_profile.sh Executable file
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#!/bin/bash
# AUTHOR: Jeremy Wall (jw), jeremy@marzhillstudios.com
set -x
file=$1
cargo build --release
sudo dtrace -c "target/release/ucg build ${file}" -o out.stacks -n 'profile-997 /execname == "ucg"/ { @[ustack(100)] = count(); }'
stackcollapse.pl out.stacks > collapsed.stacks
cat collapsed.stacks | flamegraph.pl --minwidth 2.5 > perf_graph.svg
rm -f out.stacks collapsed.stacks