IntelPTSingleBufferTrace.cpp File Reference

#include "IntelPTSingleBufferTrace.h"
#include "Plugins/Process/POSIX/ProcessPOSIXLog.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/TargetParser/Host.h"
#include <linux/perf_event.h>
#include <sstream>
#include <sys/syscall.h>
#include <unistd.h>

Go to the source code of this file.

Enumerations
enum	IntelPTConfigFileType { Hex = 0 , ZeroOne , Decimal , BitOffset }

Functions
static Expected< uint32_t >	ReadIntelPTConfigFile (const char *file, IntelPTConfigFileType type)
static Error	CheckPsbPeriod (size_t psb_period)

Variables
const char	kOSEventIntelPTTypeFile []
const char	kPSBPeriodCapFile []
const char	kPSBPeriodValidValuesFile []
const char	kPSBPeriodBitOffsetFile []
const char	kTSCBitOffsetFile []

Enumeration Type Documentation

IntelPTConfigFileType

enum IntelPTConfigFileType

Enumerator
Hex
ZeroOne
Decimal
BitOffset

Definition at line 40 of file IntelPTSingleBufferTrace.cpp.

Function Documentation

CheckPsbPeriod()

static Error CheckPsbPeriod ( size_t  psb_period )

static

Definition at line 112 of file IntelPTSingleBufferTrace.cpp.

References error(), Hex, kPSBPeriodCapFile, kPSBPeriodValidValuesFile, ReadIntelPTConfigFile(), and ZeroOne.

ReadIntelPTConfigFile()

static Expected< uint32_t > ReadIntelPTConfigFile ( const char *  file, IntelPTConfigFileType  type  )

static

Definition at line 51 of file IntelPTSingleBufferTrace.cpp.

References BitOffset, Decimal, Hex, and ZeroOne.

Referenced by CheckPsbPeriod(), and lldb_private::process_linux::GetIntelPTOSEventType().

Variable Documentation

kOSEventIntelPTTypeFile

const char kOSEventIntelPTTypeFile[]

Initial value:

=
    "/sys/bus/event_source/devices/intel_pt/type"

Definition at line 25 of file IntelPTSingleBufferTrace.cpp.

Referenced by lldb_private::process_linux::GetIntelPTOSEventType().

kPSBPeriodBitOffsetFile

const char kPSBPeriodBitOffsetFile[]

Initial value:

=
    "/sys/bus/event_source/devices/intel_pt/format/psb_period"

Definition at line 34 of file IntelPTSingleBufferTrace.cpp.

kPSBPeriodCapFile

const char kPSBPeriodCapFile[]

Initial value:

=
    "/sys/bus/event_source/devices/intel_pt/caps/psb_cyc"

Definition at line 28 of file IntelPTSingleBufferTrace.cpp.

Referenced by CheckPsbPeriod().

kPSBPeriodValidValuesFile

const char kPSBPeriodValidValuesFile[]

Initial value:

=
    "/sys/bus/event_source/devices/intel_pt/caps/psb_periods"

Definition at line 31 of file IntelPTSingleBufferTrace.cpp.

Referenced by CheckPsbPeriod().

kTSCBitOffsetFile

const char kTSCBitOffsetFile[]

Initial value:

=
    "/sys/bus/event_source/devices/intel_pt/format/tsc"

Definition at line 37 of file IntelPTSingleBufferTrace.cpp.