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link to build-and-run, fix em-dash

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Niko Matsakis 2018-09-07 10:59:05 -04:00 committed by Who? Me?!
parent 8259f84d51
commit bb8f906b5d
2 changed files with 10 additions and 2 deletions
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8
src/how-to-build-and-run.md
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@ -110,6 +110,8 @@ This is just a subset of the full rustc build. The **full** rustc build
- Build libstd with stage2 compiler. - Build libstd with stage2 compiler.
- Build librustdoc and a bunch of other things. - Build librustdoc and a bunch of other things.
<a name=toolchain></a>
### Creating a rustup toolchain ### Creating a rustup toolchain
Once you have successfully built rustc, you will have created a bunch Once you have successfully built rustc, you will have created a bunch
@ -125,6 +127,12 @@ to run the entire test suite).
> rustup toolchain link stage2 build/<host-triple>/stage2 > rustup toolchain link stage2 build/<host-triple>/stage2
``` ```
The `<host-triple>` would typically be one of the following:
- Linux: `x86_64-unknown-linux-gnu`
- Mac: `x86_64-apple-darwin`
- Windows: `x86_64-pc-windows-msvc`
Now you can run the rustc you built with. If you run with `-vV`, you Now you can run the rustc you built with. If you run with `-vV`, you
should see a version number ending in `-dev`, indicating a build from should see a version number ending in `-dev`, indicating a build from
your local environment: your local environment:

4
src/profiling/with_perf.md
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@ -12,7 +12,7 @@ This is a guide for how to profile rustc with [perf](https://perf.wiki.kernel.or
- leave everything else the defaults - leave everything else the defaults
- Run `./x.py build` to get a full build - Run `./x.py build` to get a full build
- Make a rustup toolchain (let's call it `rust-prof`) pointing to that result - Make a rustup toolchain (let's call it `rust-prof`) pointing to that result
- `rustup toolchain link <path-to-toolchain>` - see [the "build and run" section for instructions](../how-to-build-and-run.html#toolchain)
## Gathering a perf profile ## Gathering a perf profile
@ -118,7 +118,7 @@ the `cargo rustc` command, like so:
```bash ```bash
> touch src/lib.rs > touch src/lib.rs
> CARGO_INCREMENTAL=0 perf record -F99 --call-graph dwarf cargo rustc --profile check --lib — -Zborrowck=mir > CARGO_INCREMENTAL=0 perf record -F99 --call-graph dwarf cargo rustc --profile check --lib -- -Zborrowck=mir
``` ```
[pf]: https://github.com/nikomatsakis/perf-focus [pf]: https://github.com/nikomatsakis/perf-focus