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https://github.com/RGBCube/serenity
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Userland: Hardcode the x86_64 kernel base address for now
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parent
4fdee56ba3
commit
60b52cfb02
6 changed files with 43 additions and 6 deletions
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@ -301,6 +301,13 @@ Result<NonnullOwnPtr<Profile>, String> Profile::load_from_perfcore_file(const St
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continue;
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}
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// FIXME: Use /proc for this
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#if ARCH(I386)
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FlatPtr kernel_base = 0xc0000000;
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#else
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FlatPtr kernel_base = 0x2000000000;
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#endif
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auto* stack = perf_event.get_ptr("stack");
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VERIFY(stack);
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auto& stack_array = stack->as_array();
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@ -311,7 +318,7 @@ Result<NonnullOwnPtr<Profile>, String> Profile::load_from_perfcore_file(const St
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FlyString object_name;
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String symbol;
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if (ptr >= 0xc0000000) {
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if (ptr >= kernel_base) {
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if (kernel_elf) {
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symbol = kernel_elf->symbolicate(ptr, &offset);
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} else {
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@ -338,7 +345,7 @@ Result<NonnullOwnPtr<Profile>, String> Profile::load_from_perfcore_file(const St
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continue;
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FlatPtr innermost_frame_address = event.frames.at(1).address;
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event.in_kernel = innermost_frame_address >= 0xc0000000;
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event.in_kernel = innermost_frame_address >= kernel_base;
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events.append(move(event));
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}
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