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Kernel: Add 'boot_prof' option to enable full system profiling on boot

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The full system profiling functionality is useful for profiling the
boot performance of the system. Add a new kernel boot option to start
the system with profiling enabled. This lets you disable and view a
profile once the system is booted.

You can use it by running:
```
$ run.sh qcmd boot_prof
```
This commit is contained in:
Brian Gianforcaro 2021-03-03 01:00:41 -08:00 • committed by Andreas Kling
parent 0f424afd5a
commit afe099388e
3 changed files with 13 additions and 1 deletions
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1
Kernel/CommandLine.h
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@ -61,6 +61,7 @@ public:
Optional<String> lookup(const String& key) const;
[[nodiscard]] bool contains(const String& key) const;
[[nodiscard]] bool is_boot_profiling_enabled() const;
[[nodiscard]] bool is_ide_enabled() const;
[[nodiscard]] bool is_smp_enabled() const;
[[nodiscard]] bool is_vmmouse_enabled() const;