PerfContextSwitchDecoder.cpp File Reference

#include "PerfContextSwitchDecoder.h"
#include <optional>

Go to the source code of this file.

Classes
struct	perf_event_header
struct	PerfContextSwitchRecord
	Record found in the perf_event context switch traces. More...
struct	ContextSwitchRecord
	Record produced after parsing the raw context switch trace produce by perf_event. More...

Macros
#define	PERF_RECORD_MISC_SWITCH_OUT   (1 << 13)
	Copied from <linux/perf_event.h> to avoid depending on perf_event.h on non-linux platforms.
#define	PERF_RECORD_LOST   2
#define	PERF_RECORD_THROTTLE   5
#define	PERF_RECORD_UNTHROTTLE   6
#define	PERF_RECORD_LOST_SAMPLES   13
#define	PERF_RECORD_SWITCH_CPU_WIDE   15
#define	PERF_RECORD_MAX   19

Functions
static Error	RecoverExecutionsFromConsecutiveRecords (cpu_id_t cpu_id, const LinuxPerfZeroTscConversion &tsc_conversion, const ContextSwitchRecord &current_record, const std::optional< ContextSwitchRecord > &prev_record, std::function< void(const ThreadContinuousExecution &execution)> on_new_execution)

Macro Definition Documentation

PERF_RECORD_LOST

#define PERF_RECORD_LOST   2

Definition at line 21 of file PerfContextSwitchDecoder.cpp.

Referenced by perf_event_header::IsErrorRecord().

PERF_RECORD_LOST_SAMPLES

#define PERF_RECORD_LOST_SAMPLES   13

Definition at line 24 of file PerfContextSwitchDecoder.cpp.

Referenced by perf_event_header::IsErrorRecord().

PERF_RECORD_MAX

#define PERF_RECORD_MAX   19

Definition at line 26 of file PerfContextSwitchDecoder.cpp.

Referenced by perf_event_header::SanityCheck().

PERF_RECORD_MISC_SWITCH_OUT

#define PERF_RECORD_MISC_SWITCH_OUT   (1 << 13)

Copied from <linux/perf_event.h> to avoid depending on perf_event.h on non-linux platforms.

Definition at line 19 of file PerfContextSwitchDecoder.cpp.

Referenced by PerfContextSwitchRecord::IsOut().

PERF_RECORD_SWITCH_CPU_WIDE

#define PERF_RECORD_SWITCH_CPU_WIDE   15

Definition at line 25 of file PerfContextSwitchDecoder.cpp.

Referenced by perf_event_header::IsContextSwitchRecord().

PERF_RECORD_THROTTLE

#define PERF_RECORD_THROTTLE   5

Definition at line 22 of file PerfContextSwitchDecoder.cpp.

Referenced by perf_event_header::IsErrorRecord().

PERF_RECORD_UNTHROTTLE

#define PERF_RECORD_UNTHROTTLE   6

Definition at line 23 of file PerfContextSwitchDecoder.cpp.

Referenced by perf_event_header::IsErrorRecord().

Function Documentation

RecoverExecutionsFromConsecutiveRecords()

Error RecoverExecutionsFromConsecutiveRecords ( cpu_id_t cpu_id, const LinuxPerfZeroTscConversion & tsc_conversion, const ContextSwitchRecord & current_record, const std::optional< ContextSwitchRecord > & prev_record, std::function< void(const ThreadContinuousExecution &execution)> on_new_execution )

static

A complete execution

Definition at line 192 of file PerfContextSwitchDecoder.cpp.

References lldb_private::trace_intel_pt::ThreadContinuousExecution::CreateCompleteExecution(), lldb_private::trace_intel_pt::ThreadContinuousExecution::CreateHintedEndExecution(), lldb_private::trace_intel_pt::ThreadContinuousExecution::CreateHintedStartExecution(), lldb_private::trace_intel_pt::ThreadContinuousExecution::CreateOnlyEndExecution(), createStringError(), ContextSwitchRecord::IsIn(), ContextSwitchRecord::IsOut(), ContextSwitchRecord::pid, ContextSwitchRecord::tid, and ContextSwitchRecord::tsc.