| 1 | //===-- TraceIntelPTConstants.h ---------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_CONSTANTS_H |
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| 10 | #define LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_CONSTANTS_H |
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| 11 | |
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| 12 | #include "lldb/lldb-types.h" |
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| 13 | #include <cstddef> |
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| 14 | #include <optional> |
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| 15 | |
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| 16 | namespace lldb_private { |
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| 17 | namespace trace_intel_pt { |
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| 18 | |
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| 19 | const size_t kDefaultIptTraceSize = 4 * 1024; // 4KB |
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| 20 | const size_t kDefaultProcessBufferSizeLimit = 5 * 1024 * 1024; // 500MB |
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| 21 | const bool kDefaultEnableTscValue = false; |
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| 22 | const std::optional<size_t> kDefaultPsbPeriod; |
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| 23 | const bool kDefaultPerCpuTracing = false; |
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| 24 | const bool kDefaultDisableCgroupFiltering = false; |
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| 25 | |
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| 26 | // Physical address where the kernel is loaded in x86 architecture. Refer to |
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| 27 | // https://github.com/torvalds/linux/blob/master/Documentation/x86/x86_64/mm.rst |
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| 28 | // for the start address of kernel text section. |
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| 29 | // The kernel entry point is 0x1000000 by default when KASLR is disabled. |
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| 30 | const lldb::addr_t kDefaultKernelLoadAddress = 0xffffffff81000000; |
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| 31 | const lldb::pid_t kDefaultKernelProcessID = 1; |
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| 32 | |
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| 33 | } // namespace trace_intel_pt |
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| 34 | } // namespace lldb_private |
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| 35 | |
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| 36 | #endif // LLDB_SOURCE_PLUGINS_TRACE_INTEL_PT_CONSTANTS_H |
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| 37 | |
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