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Diffstat (limited to 'doc/development/performance.md')
| -rw-r--r-- | doc/development/performance.md | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/doc/development/performance.md b/doc/development/performance.md index 94285efdf1e..a211fddc141 100644 --- a/doc/development/performance.md +++ b/doc/development/performance.md @@ -123,7 +123,7 @@ Keeping that in mind, to create a profile, identify (or create) a spec that exercises the troublesome code path, then run it using the `bin/rspec-stackprof` helper, e.g.: -```sh +```shell $ LIMIT=10 bin/rspec-stackprof spec/policies/project_policy_spec.rb 8/8 |====== 100 ======>| Time: 00:00:18 @@ -157,14 +157,14 @@ it calls, were being executed. To create a graphical view of the call stack: -```sh +```shell stackprof tmp/project_policy_spec.rb.dump --graphviz > project_policy_spec.dot dot -Tsvg project_policy_spec.dot > project_policy_spec.svg ``` To load the profile in [kcachegrind](https://kcachegrind.github.io/): -```sh +```shell stackprof tmp/project_policy_spec.dump --callgrind > project_policy_spec.callgrind kcachegrind project_policy_spec.callgrind # Linux qcachegrind project_policy_spec.callgrind # Mac @@ -172,7 +172,7 @@ qcachegrind project_policy_spec.callgrind # Mac It may be useful to zoom in on a specific method, e.g.: -```sh +```shell $ stackprof tmp/project_policy_spec.rb.dump --method warm_asset_cache TestEnv#warm_asset_cache (/Users/lupine/dev/gitlab.com/gitlab-org/gitlab-development-kit/gitlab/spec/support/test_env.rb:164) samples: 0 self (0.0%) / 6288 total (36.9%) @@ -225,7 +225,7 @@ may have changed over time. To activate profiling in your local environment, run the following: -```sh +```shell export RSPEC_PROFILING=yes rake rspec_profiling:install ``` @@ -237,7 +237,7 @@ variable set. Ad-hoc investigation of the collected results can be performed in an interactive shell: -```sh +```shell $ rake rspec_profiling:console irb(main):001:0> results.count => 231 @@ -271,7 +271,7 @@ bundle exec rbtrace -p <PID> -e 'File.open("heap.json", "wb") { |t| ObjectSpace. Having the JSON, you finally could render a picture using the script [provided by Aaron](https://gist.github.com/tenderlove/f28373d56fdd03d8b514af7191611b88) or similar: -```sh +```shell ruby heapviz.rb heap.json ``` |