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#### Pre-Submission Checklist <!-- Go over all points below, and after creating the PR, tick all the checkboxes that apply --> <!-- All points should be verified, otherwise, read the CONTRIBUTING guidelines from above--> <!-- If you're unsure about any of these, don't hesitate to ask on sr-dev mailing list --> - [x ] Commit message has the format required by CONTRIBUTING guide - [x] Commits are split per component (core, individual modules, libs, utils, ...) - [x] Each component has a single commit (if not, squash them into one commit) - [x] No commits to README files for modules (changes must be done to docbook files in `doc/` subfolder, the README file is autogenerated)

#### Type Of Change - [ ] Small bug fix (non-breaking change which fixes an issue) - [x] New feature (non-breaking change which adds new functionality) - [ ] Breaking change (fix or feature that would change existing functionality)

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#### Description <!-- Describe your changes in detail --> Histogram metric and minor issues. You can view, comment on, or merge this pull request online at:

https://github.com/kamailio/kamailio/pull/2435

-- Commit Summary --

* xhttp_prom: add support for histogram metrics.

-- File Changes --

M src/modules/xhttp_prom/doc/xhttp_prom_admin.xml (203) M src/modules/xhttp_prom/prom.c (102) M src/modules/xhttp_prom/prom.h (21) M src/modules/xhttp_prom/prom_metric.c (909) M src/modules/xhttp_prom/prom_metric.h (50) M src/modules/xhttp_prom/xhttp_prom.c (630) M src/modules/xhttp_prom/xhttp_prom.h (25)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/2435.patch https://github.com/kamailio/kamailio/pull/2435.diff