Perf.h File Reference

This file contains a thin wrapper of the perf_event_open API and classes to handle the destruction of file descriptors and mmap pointers. More...

#include "lldb/Utility/TraceIntelPTGDBRemotePackets.h"
#include "lldb/lldb-types.h"
#include "llvm/Support/Error.h"
#include <chrono>
#include <cstdint>
#include <linux/perf_event.h>

Go to the source code of this file.

Classes
class	lldb_private::process_linux::resource_handle::MmapDeleter
	Custom deleter for the pointer returned by mmap. More...
class	lldb_private::process_linux::resource_handle::FileDescriptorDeleter
	Custom deleter for a file descriptor. More...
class	lldb_private::process_linux::PerfEvent
	Thin wrapper of the perf_event_open API. More...

Namespaces
namespace	lldb_private
	A class that represents a running process on the host machine.
namespace	lldb_private::process_linux
namespace	lldb_private::process_linux::resource_handle

Typedefs
using	lldb_private::process_linux::resource_handle::FileDescriptorUP = std::unique_ptr< long, resource_handle::FileDescriptorDeleter >
using	lldb_private::process_linux::resource_handle::MmapUP = std::unique_ptr< void, resource_handle::MmapDeleter >

Functions
llvm::Expected< PerfEvent >	lldb_private::process_linux::CreateContextSwitchTracePerfEvent (lldb::cpu_id_t cpu_id, const PerfEvent *parent_perf_event=nullptr)
	Create a perf event that tracks context switches on a cpu.
llvm::Expected< LinuxPerfZeroTscConversion >	lldb_private::process_linux::LoadPerfTscConversionParameters ()
	Load PerfTscConversionParameters from perf_event_mmap_page, if available.

Detailed Description

This file contains a thin wrapper of the perf_event_open API and classes to handle the destruction of file descriptors and mmap pointers.

Definition in file Perf.h.