mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-12-25 15:39:55 +00:00
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <Kernel/KBuffer.h>
|
|
#include <Kernel/KResult.h>
|
|
|
|
namespace Kernel {
|
|
|
|
struct [[gnu::packed]] MallocPerformanceEvent
|
|
{
|
|
size_t size;
|
|
uintptr_t ptr;
|
|
};
|
|
|
|
struct [[gnu::packed]] FreePerformanceEvent
|
|
{
|
|
size_t size;
|
|
uintptr_t ptr;
|
|
};
|
|
|
|
struct [[gnu::packed]] PerformanceEvent
|
|
{
|
|
u8 type { 0 };
|
|
u8 stack_size { 0 };
|
|
u64 timestamp;
|
|
union {
|
|
MallocPerformanceEvent malloc;
|
|
FreePerformanceEvent free;
|
|
} data;
|
|
uintptr_t stack[32];
|
|
};
|
|
|
|
class PerformanceEventBuffer {
|
|
public:
|
|
PerformanceEventBuffer();
|
|
|
|
KResult append(int type, uintptr_t arg1, uintptr_t arg2);
|
|
|
|
size_t capacity() const { return m_buffer.size() / sizeof(PerformanceEvent); }
|
|
size_t count() const { return m_count; }
|
|
const PerformanceEvent& at(size_t index) const
|
|
{
|
|
return const_cast<PerformanceEventBuffer&>(*this).at(index);
|
|
}
|
|
|
|
KBuffer to_json(pid_t, const String& executable_path) const;
|
|
|
|
private:
|
|
PerformanceEvent& at(size_t index);
|
|
|
|
size_t m_count { 0 };
|
|
KBuffer m_buffer;
|
|
};
|
|
|
|
}
|