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doc: move perf tools and APIs to Tier 3
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V8 CodeEventHandler, V8 CpuProfiler, Linux perf and the
`--interpreted-frames-native-stack`, `--prof` and `--prof-process` flags
satisfies our Diagnostics Support requirements for Tier 3. V8
CodeEventHandler and CpuProfiler are tested as part of our V8 CI, and
`Linux perf` / `--interpreted-frames-native-stack` are tested by
`test/v8-updates/test-linux-perf.js`. `--prof` and `--prof-process` are
tested in Node.js test suite.

PR-URL: #22915
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>
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@mmarchini
mmarchini committed Oct 1, 2018
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14 changes: 7 additions & 7 deletions doc/guides/diagnostic-tooling-support-tiers.md
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Expand Up @@ -106,9 +106,13 @@ The tools are currently assigned to Tiers as follows:

## Tier 3

| Tool Type | Tool/API Name | Regular Testing in Node.js CI | Integrated with Node.js | Target Tier |
|-----------|---------------------------|-------------------------------|-------------------------|-------------|
| | | | | |
| Tool Type | Tool/API Name | Regular Testing in Node.js CI | Integrated with Node.js | Target Tier |
|-----------|--------------------------------------|-------------------------------|-------------------------|-------------|
| Profiling | V8 CPU profiler | Partial (V8 Tests) | Yes | 1 |
| Profiling | --prof/--prof-process flags | Yes | Yes | 1 |
| Profiling | V8 CodeEventHandler API | Partial (V8 Tests) | Yes | 2 |
| Profiling | V8 --interpreted-frames-native-stack | Yes | Yes | 2 |
| Profiling | Linux perf | Yes | Partial | 2 |

## Tier 4

Expand Down Expand Up @@ -136,10 +140,6 @@ The tools are currently assigned to Tiers as follows:
| Tracing | LTTng | No | Removed? | N/A |
| Tracing | ETW | No | Partial | 3 |
| Tracing | Systemtap | No | Partial | ? |
| Profiling | V8 CPU profiler (--prof) | No | Yes | 1 |
| Profiling | V8 CodeEventHandler API | No | Yes | ? |
| Profiling | V8 --interpreted-frames-native-stack | Yes | Yes | ? |
| Profiling | Linux perf | Yes | Partial | ? |
| Profiling | DTrace | No | Partial | 3 |
| Profiling | Windows Xperf | No | ? | ? |
| Profiling | 0x | No | No | 4 |
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