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Fix Ruby VM statistics broken and causing errors on Ruby 3.2 #2600

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merged 5 commits into from
Feb 7, 2023
Merged

Fix Ruby VM statistics broken and causing errors on Ruby 3.2 #2600

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b047571
Refresh appraisals for Ruby 3.2
ivoanjo Jan 31, 2023
3834b19
Fix stubbing method for Ruby 3.2
ivoanjo Jan 31, 2023
db24d70
Update `Environment::VMCache` helpers for Ruby 3.2 metrics
ivoanjo Feb 6, 2023
2a878ec
Fix Ruby VM statistics broken and causing errors on Ruby 3.2
ivoanjo Feb 6, 2023
3a77fc1
Update runtime metrics documentation
ivoanjo Feb 7, 2023
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6 changes: 4 additions & 2 deletions docs/GettingStarted.md
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Expand Up @@ -2732,8 +2732,10 @@ The stats are VM specific and will include:
| `runtime.ruby.class_count` | `gauge` | Number of classes in memory space. | CRuby |
| `runtime.ruby.gc.*` | `gauge` | Garbage collection statistics: collected from `GC.stat`. | All runtimes |
| `runtime.ruby.thread_count` | `gauge` | Number of threads. | All runtimes |
| `runtime.ruby.global_constant_state` | `gauge` | Global constant cache generation. | CRuby |
| `runtime.ruby.global_method_state` | `gauge` | [Global method cache generation.](https://tenderlovemaking.com/2015/12/23/inline-caching-in-mri.html) | [CRuby < 3.0.0](https://docs.ruby-lang.org/en/3.0.0/NEWS_md.html#label-Implementation+improvements) |
| `runtime.ruby.global_constant_state` | `gauge` | Global constant cache generation. | CRuby ≤ 3.1 |
| `runtime.ruby.global_method_state` | `gauge` | [Global method cache generation.](https://tenderlovemaking.com/2015/12/23/inline-caching-in-mri.html) | [CRuby 2.x](https://docs.ruby-lang.org/en/3.0.0/NEWS_md.html#label-Implementation+improvements) |
| `runtime.ruby.constant_cache_invalidations` | `gauge` | Constant cache invalidations. | CRuby ≥ 3.2 |
| `runtime.ruby.constant_cache_misses` | `gauge` | Constant cache misses. | CRuby ≥ 3.2 |

In addition, all metrics include the following tags:

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