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| author | Andreas Kling <kling@serenityos.org> | 2020-02-21 12:59:46 +0100 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-02-21 15:49:37 +0100 |
| commit | f9a138aa4b9d96f59d20219179038805b0c8755e (patch) | |
| tree | 8ed6e8f97237439312ac754fffbf81498a75392e /Kernel/Profiling.cpp | |
| parent | 8047ff8205b5e07d99f2bf0b9a82302a698674ef (diff) | |
| download | serenity-f9a138aa4b9d96f59d20219179038805b0c8755e.zip | |
Kernel: Commit the profiling sample buffer memory up front
This avoids getting page faults while storing samples in the timer IRQ.
Diffstat (limited to 'Kernel/Profiling.cpp')
| -rw-r--r-- | Kernel/Profiling.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Kernel/Profiling.cpp b/Kernel/Profiling.cpp index bb16d68b9f..23db4ffe96 100644 --- a/Kernel/Profiling.cpp +++ b/Kernel/Profiling.cpp @@ -48,6 +48,7 @@ void start(Process& process) if (!s_profiling_buffer) { s_profiling_buffer = RefPtr<KBufferImpl>(KBuffer::create_with_size(8 * MB).impl()).leak_ref(); + s_profiling_buffer->region().commit(); s_slot_count = s_profiling_buffer->size() / sizeof(Sample); } |