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uftrace for deno
Honggyu Kim edited this page Aug 21, 2022
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The deno is a secure JavaScript and TypeScript runtime written in Rust.
$ git clone --recurse-submodules https://github.com/denoland/deno.git
$ cd deno
Make sure export PATH="$HOME/.cargo/bin:$PATH"
is added to your environment variables.
$ curl https://sh.rustup.rs/ -sSf | sh
$ source $HOME/.cargo/env
Nightly compiler is required for using -Z flag options.
$ rustup install nightly
$ rustup default nightly
$ export RUSTFLAGS="-Z instrument-mcount -C passes='ee-instrument<post-inline>'"
$ cargo build
$ nm ./target/debug/deno | grep mcount
U mcount@@GLIBC_2.2.5
$ uftrace record ./target/debug/deno run cli/tests/002_hello.ts
$ uftrace replay -t 100ms -F ^deno -F ^tokio
# DURATION TID FUNCTION
[ 14101] | deno::main() {
[ 14101] | deno::tokio_util::run_basic() {
[ 14101] | tokio::runtime::Runtime::block_on() {
[ 14101] | tokio::runtime::handle::Handle::enter() {
[ 14101] | tokio::runtime::context::enter() {
[ 14101] | tokio::runtime::Runtime::block_on::_{{closure}}() {
[ 14101] | tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on() {
[ 14101] | tokio::runtime::basic_scheduler::enter() {
[ 14101] | tokio::macros::scoped_tls::ScopedKey<T>::set() {
[ 14101] | tokio::runtime::basic_scheduler::enter::_{{closure}}() {
[ 14101] | tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::_{{closure}}() {
[ 14101] | std::thread::local::LocalKey<T>::with() {
[ 14101] | std::thread::local::LocalKey<T>::try_with() {
[ 14101] | tokio::coop::with_budget::_{{closure}}() {
[ 14101] | tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::_{{closure}}::_{{closure}}() {
[ 14101] | _<core..pin..Pin<P> as core..future..future..Future>::poll() {
[ 14101] | _<core..future..from_generator..GenFuture<T> as core..future..future..Future>::poll() {
[ 14101] | deno::run_command::_{{closure}}() {
113.479 ms [ 14101] | deno::worker::MainWorker::create();
190.676 ms [ 14101] | } /* deno::run_command::_{{closure}} */
190.683 ms [ 14101] | } /* _<core..future..from_generator..GenFuture<T> as core..future..future..Future>::poll */
190.684 ms [ 14101] | } /* _<core..pin..Pin<P> as core..future..future..Future>::poll */
190.690 ms [ 14101] | } /* tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::_{{closure}}::_{{closure}} */
190.697 ms [ 14101] | } /* tokio::coop::with_budget::_{{closure}} */
190.703 ms [ 14101] | } /* std::thread::local::LocalKey<T>::try_with */
190.704 ms [ 14101] | } /* std::thread::local::LocalKey<T>::with */
190.736 ms [ 14101] | } /* tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on::_{{closure}} */
190.737 ms [ 14101] | } /* tokio::runtime::basic_scheduler::enter::_{{closure}} */
190.755 ms [ 14101] | } /* tokio::macros::scoped_tls::ScopedKey<T>::set */
190.772 ms [ 14101] | } /* tokio::runtime::basic_scheduler::enter */
190.773 ms [ 14101] | } /* tokio::runtime::basic_scheduler::BasicScheduler<P>::block_on */
190.774 ms [ 14101] | } /* tokio::runtime::Runtime::block_on::_{{closure}} */
190.832 ms [ 14101] | } /* tokio::runtime::context::enter */
190.842 ms [ 14101] | } /* tokio::runtime::handle::Handle::enter */
190.842 ms [ 14101] | } /* tokio::runtime::Runtime::block_on */
192.079 ms [ 14101] | } /* deno::tokio_util::run_basic */
225.965 ms [ 14101] | } /* deno::main */
# record
$ uftrace record -t 10us ./target/debug/deno run cli/tests/002_hello.ts
Hello World
# dump in json format
$ uftrace dump --chrome > deno.json
# convert json to html
$ trace2html deno.json
deno.html
- chrome: https://uftrace.github.io/dump/deno.html
- flame-graph: https://uftrace.github.io/dump/deno.svg
- Home
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