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Diffstat (limited to 'doc/administration/monitoring/performance/performance_bar.md')
| -rw-r--r-- | doc/administration/monitoring/performance/performance_bar.md | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/administration/monitoring/performance/performance_bar.md b/doc/administration/monitoring/performance/performance_bar.md index ef4db93d5fc..0befd9eac5b 100644 --- a/doc/administration/monitoring/performance/performance_bar.md +++ b/doc/administration/monitoring/performance/performance_bar.md @@ -8,11 +8,12 @@ info: To determine the technical writer assigned to the Stage/Group associated w > - The **Stats** field [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/271551) in GitLab 13.9. > - The **Memory** field [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/330736) in GitLab 14.0. +> - The **Flamegraph** field [introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/30275) in GitLab 14.4. You can display the performance bar to see statistics for the performance of a GitLab UI page. For example: - + ## Available information @@ -64,6 +65,11 @@ From left to right, the performance bar displays: can be added by its full URL (authenticated as the current user), or by the value of its `X-Request-Id` header. - **Download**: a link to download the raw JSON used to generate the Performance Bar reports. +- **Flamegraph** with mode: a link to generate a [flamegraph](../../../development/profiling.md#speedscope-flamegraphs) + of the current URL with the selected [Stackprof mode](https://github.com/tmm1/stackprof#sampling): + - The **Wall** mode samples every *interval* of the time on a clock on a wall. The interval is set to `10100` microseconds. + - The **CPU** mode samples every *interval* of CPU activity. The interval is set to `10100` microseconds. + - The **Object** mode samples every *interval*. The interval is set to `100` allocations. - **Request Selector**: a select box displayed on the right-hand side of the Performance Bar which enables you to view these metrics for any requests made while the current page was open. Only the first two requests per unique URL are captured. |