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TraceIntelPTConstants.h
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1//===-- TraceIntelPTConstants.h ---------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_CONSTANTS_H
10#define LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_CONSTANTS_H
11
12#include "lldb/lldb-types.h"
13#include <cstddef>
14#include <optional>
15
16namespace lldb_private {
17namespace trace_intel_pt {
18
19const size_t kDefaultIptTraceSize = 4 * 1024; // 4KB
20const size_t kDefaultProcessBufferSizeLimit = 5 * 1024 * 1024; // 500MB
21const bool kDefaultEnableTscValue = false;
22const std::optional<size_t> kDefaultPsbPeriod;
23const bool kDefaultPerCpuTracing = false;
25
26// Physical address where the kernel is loaded in x86 architecture. Refer to
27// https://github.com/torvalds/linux/blob/master/Documentation/x86/x86_64/mm.rst
28// for the start address of kernel text section.
29// The kernel entry point is 0x1000000 by default when KASLR is disabled.
30const lldb::addr_t kDefaultKernelLoadAddress = 0xffffffff81000000;
32
33} // namespace trace_intel_pt
34} // namespace lldb_private
35
36#endif // LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_CONSTANTS_H
const lldb::pid_t kDefaultKernelProcessID
const std::optional< size_t > kDefaultPsbPeriod
const lldb::addr_t kDefaultKernelLoadAddress
A class that represents a running process on the host machine.
uint64_t pid_t
Definition: lldb-types.h:85
uint64_t addr_t
Definition: lldb-types.h:83