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d0be6f7653
Summary: This is the third of a multi-part change to implement subcommands for the `llvm-xray` tool. Here we define the `account` subcommand which does simple function call accounting, generating basic statistics on function calls we find in an XRay log/trace. We support text output and csv output for this subcommand. This change also supports sorting, summing, and filtering the top N results. Part of this tool will later be turned into a library that could be used for basic function call accounting. Depends on D24376. Reviewers: dblaikie, echristo Subscribers: mehdi_amini, dberris, beanz, llvm-commits Differential Revision: https://reviews.llvm.org/D24377 llvm-svn: 291749
103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
//===- xray-record-yaml.h - XRay Record YAML Support Definitions ----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Types and traits specialisations for YAML I/O of XRay log entries.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_XRAY_XRAY_RECORD_YAML_H
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#define LLVM_TOOLS_LLVM_XRAY_XRAY_RECORD_YAML_H
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#include <type_traits>
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#include "xray-record.h"
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#include "llvm/Support/YAMLTraits.h"
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namespace llvm {
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namespace xray {
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struct YAMLXRayFileHeader {
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uint16_t Version;
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uint16_t Type;
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bool ConstantTSC;
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bool NonstopTSC;
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uint64_t CycleFrequency;
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};
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struct YAMLXRayRecord {
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uint16_t RecordType;
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uint8_t CPU;
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RecordTypes Type;
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int32_t FuncId;
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std::string Function;
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uint64_t TSC;
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uint32_t TId;
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};
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struct YAMLXRayTrace {
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YAMLXRayFileHeader Header;
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std::vector<YAMLXRayRecord> Records;
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};
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using XRayRecordStorage =
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std::aligned_storage<sizeof(XRayRecord), alignof(XRayRecord)>::type;
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} // namespace xray
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namespace yaml {
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// YAML Traits
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// -----------
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template <> struct ScalarEnumerationTraits<xray::RecordTypes> {
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static void enumeration(IO &IO, xray::RecordTypes &Type) {
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IO.enumCase(Type, "function-enter", xray::RecordTypes::ENTER);
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IO.enumCase(Type, "function-exit", xray::RecordTypes::EXIT);
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}
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};
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template <> struct MappingTraits<xray::YAMLXRayFileHeader> {
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static void mapping(IO &IO, xray::YAMLXRayFileHeader &Header) {
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IO.mapRequired("version", Header.Version);
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IO.mapRequired("type", Header.Type);
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IO.mapRequired("constant-tsc", Header.ConstantTSC);
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IO.mapRequired("nonstop-tsc", Header.NonstopTSC);
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IO.mapRequired("cycle-frequency", Header.CycleFrequency);
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}
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};
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template <> struct MappingTraits<xray::YAMLXRayRecord> {
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static void mapping(IO &IO, xray::YAMLXRayRecord &Record) {
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// FIXME: Make this type actually be descriptive
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IO.mapRequired("type", Record.RecordType);
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IO.mapRequired("func-id", Record.FuncId);
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IO.mapOptional("function", Record.Function);
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IO.mapRequired("cpu", Record.CPU);
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IO.mapRequired("thread", Record.TId);
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IO.mapRequired("kind", Record.Type);
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IO.mapRequired("tsc", Record.TSC);
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}
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static constexpr bool flow = true;
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};
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template <> struct MappingTraits<xray::YAMLXRayTrace> {
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static void mapping(IO &IO, xray::YAMLXRayTrace &Trace) {
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// A trace file contains two parts, the header and the list of all the
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// trace records.
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IO.mapRequired("header", Trace.Header);
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IO.mapRequired("records", Trace.Records);
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}
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};
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} // namespace yaml
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} // namespace llvm
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LLVM_YAML_IS_SEQUENCE_VECTOR(xray::YAMLXRayRecord)
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#endif // LLVM_TOOLS_LLVM_XRAY_XRAY_RECORD_YAML_H
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