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Kernel: Make sys$perf_register_string() generate the string ID's

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Making userspace provide a global string ID was silly, and made the API
extremely difficult to use correctly in a global profiling context.

Instead, simply make the kernel do the string ID allocation for us.
This also allows us to convert the string storage to a Vector in the
kernel (and an array in the JSON profile data.)
This commit is contained in:
Andreas Kling 2021-08-11 20:41:29 +02:00
parent 56e84a63ca
commit 1e90a3a542
8 changed files with 24 additions and 24 deletions
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4
Kernel/PerformanceEventBuffer.h
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@ -120,7 +120,7 @@ public:
void add_process(const Process&, ProcessEventType event_type);
KResult register_string(FlatPtr string_id, NonnullOwnPtr<KString>);
KResultOr<FlatPtr> register_string(NonnullOwnPtr<KString>);
private:
explicit PerformanceEventBuffer(NonnullOwnPtr<KBuffer>);
@ -133,7 +133,7 @@ private:
size_t m_count { 0 };
NonnullOwnPtr<KBuffer> m_buffer;
HashMap<FlatPtr, NonnullOwnPtr<KString>> m_strings;
NonnullOwnPtrVector<KString> m_strings;
};
extern bool g_profiling_all_threads;