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| author | Niko Matsakis <niko@alum.mit.edu> | 2018-09-10 14:38:11 -0400 |
|---|---|---|
| committer | Who? Me?! <mark-i-m@users.noreply.github.com> | 2018-09-10 19:25:29 -0500 |
| commit | 9799b0b3acb60e6658e7b6b8dd15f0d4dd7c48b7 (patch) | |
| tree | e9015719a3d27c446e8a39f992c116188a559a23 /src/doc/rustc-dev-guide | |
| parent | e40767296a7935302ac4f84fe900186e41622e96 (diff) | |
| download | rust-9799b0b3acb60e6658e7b6b8dd15f0d4dd7c48b7.tar.gz rust-9799b0b3acb60e6658e7b6b8dd15f0d4dd7c48b7.zip | |
fix various bash snippets
Diffstat (limited to 'src/doc/rustc-dev-guide')
| -rw-r--r-- | src/doc/rustc-dev-guide/src/profiling/with_perf.md | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/src/doc/rustc-dev-guide/src/profiling/with_perf.md b/src/doc/rustc-dev-guide/src/profiling/with_perf.md index c851d1a23e5..7d8276cedfb 100644 --- a/src/doc/rustc-dev-guide/src/profiling/with_perf.md +++ b/src/doc/rustc-dev-guide/src/profiling/with_perf.md @@ -27,8 +27,8 @@ of events, though, like cache misses and so forth. The basic `perf` command is this: -``` -perf record -F99 --call-graph dwarf XXX +```bash +> perf record -F99 --call-graph dwarf XXX ``` The `-F99` tells perf to sample at 99 Hz, which avoids generating too @@ -38,8 +38,8 @@ activity). The `--call-graph dwarf` tells perf to get call-graph information from debuginfo, which is accurate. The `XXX` is the command you want to profile. So, for example, you might do: -``` -perf record -F99 --call-graph dwarf cargo +<toolchain> rustc +```bash +> perf record -F99 --call-graph dwarf cargo +<toolchain> rustc ``` to run `cargo` -- here `<toolchain>` should be the name of the toolchain @@ -74,9 +74,9 @@ do profiling for you! You can find For example, to measure the clap-rs test, you might do: -``` -> ./target/release/collector \ - --output-repo /path/to/place/output \ +```bash +> ./target/release/collector + --output-repo /path/to/place/output profile perf-record --rustc /path/to/rustc/executable/from/your/build/directory --cargo `which cargo` @@ -179,8 +179,8 @@ would analyze NLL performance. You can install perf-focus using `cargo install`: -``` -cargo install perf-focus +```bash +> cargo install perf-focus ``` ### Example: How much time is spent in MIR borrowck? |