mirror
/
rustc-dev-guide
mirror of https://github.com/rust-lang/rustc-dev-guide.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

be consistent about bash snippets

This commit is contained in:
Niko Matsakis 2018-09-07 10:03:56 -04:00 committed by Who? Me?!
parent 02cafc9b6c
commit 54177e24e3
1 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
src/profiling/with_perf.md
View File

@ -68,7 +68,7 @@ the directory of a specific test; we'll use `clap-rs` as an example:
[dir]: https://github.com/rust-lang-nursery/rustc-perf/tree/master/collector/benchmarks
```bash
cd collector/benchmarks/clap-rs
> cd collector/benchmarks/clap-rs
```
In this case, let's say we want to profile the `cargo check`
@ -77,8 +77,8 @@ build the dependencies:
```bash
# Setup: first clean out any old results and build the dependencies:
cargo +rust-prof clean
CARGO_INCREMENTAL=0 cargo +rust-prof check
> cargo +rust-prof clean
> CARGO_INCREMENTAL=0 cargo +rust-prof check
```
Next: we want record the execution time for *just* the clap-rs crate,
@ -86,8 +86,8 @@ running cargo check. I tend to use `cargo rustc` for this, since it
also allows me to add explicit flags, which we'll do later on.
```bash
touch src/lib.rs
CARGO_INCREMENTAL=0 perf record -F99 --call-graph dwarf cargo rustc --profile check --lib
> touch src/lib.rs
> CARGO_INCREMENTAL=0 perf record -F99 --call-graph dwarf cargo rustc --profile check --lib
```
Note that final command: it's a doozy! It uses the `cargo rustc`
@ -117,8 +117,8 @@ If you want to profile an NLL run, you can just pass extra options to
the `cargo rustc` command, like so:
```bash
touch src/lib.rs
CARGO_INCREMENTAL=0 perf record -F99 --call-graph dwarf cargo rustc --profile check --lib — -Zborrowck=mir
> touch src/lib.rs
> CARGO_INCREMENTAL=0 perf record -F99 --call-graph dwarf cargo rustc --profile check --lib — -Zborrowck=mir
```
[pf]: https://github.com/nikomatsakis/perf-focus