tools/jprof/leaky.h
author Dão Gottwald <dao@mozilla.com>
Tue, 20 Aug 2019 17:48:22 +0000
changeset 542047 fde83fd7f0524a74f2cbae89894499c005a65a94
parent 505383 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1574736 - Remove obsolete urlbar and searchbar placeholder text styling. r=ntim, a=RyanVM Differential Revision: https://phabricator.services.mozilla.com/D42658

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef __leaky_h_
#define __leaky_h_

#include "config.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "libmalloc.h"
#include "strset.h"
#include "intcnt.h"

typedef unsigned int u_int;

struct Symbol;
struct leaky;

class FunctionCount : public IntCount {
 public:
  void printReport(FILE* fp, leaky* lk, int parent, int total);
};

struct Symbol {
  char* name;
  u_long address;
  int timerHit;
  FunctionCount cntP, cntC;

  int regChild(int id) { return cntC.countAdd(id, 1); }
  int regParrent(int id) { return cntP.countAdd(id, 1); }
  void regClear() {
    cntC.clear();
    cntP.clear();
  }

  Symbol() : timerHit(0) {}
  void Init(const char* aName, u_long aAddress) {
    name = aName ? strdup(aName) : (char*)"";
    address = aAddress;
  }
};

struct LoadMapEntry {
  char* name;      // name of .so
  u_long address;  // base address where it was mapped in
  LoadMapEntry* next;
};

struct leaky {
  leaky();
  ~leaky();

  void initialize(int argc, char** argv);
  void open(char* arg);

  char* applicationName;
  int logFileIndex;
  int numLogFiles;
  char* progFile;
  FILE* outputfd;

  bool quiet;
  bool showAddress;
  bool showThreads;
  bool cleo;
  u_int stackDepth;
  int onlyThread;
  char* output_dir;

  int mappedLogFile;
  malloc_log_entry* firstLogEntry;
  malloc_log_entry* lastLogEntry;

  int stacks;

  int sfd;
  Symbol** externalSymbols;
  Symbol** lastSymbol;
  int usefulSymbols;
  int numExternalSymbols;
  StrSet exclusions;
  u_long lowestSymbolAddr;
  u_long highestSymbolAddr;

  LoadMapEntry* loadMap;

  bool collect_last;
  int collect_start;
  int collect_end;

  StrSet roots;
  StrSet includes;

  void usageError();

  void LoadMap();

  void analyze(int thread);

  void dumpEntryToLog(malloc_log_entry* lep);

  void insertAddress(u_long address, malloc_log_entry* lep);
  void removeAddress(u_long address, malloc_log_entry* lep);

  void displayStackTrace(FILE* out, malloc_log_entry* lep);

  Symbol** ExtendSymbols(int num);
  void ReadSymbols(const char* fileName, u_long aBaseAddress);
  void ReadSharedLibrarySymbols();
  void setupSymbols(const char* fileName);
  Symbol* findSymbol(u_long address);
  bool excluded(malloc_log_entry* lep);
  bool included(malloc_log_entry* lep);
  const char* indexToName(int idx) { return externalSymbols[idx]->name; }

 private:
  void generateReportHTML(FILE* fp, int* countArray, int count, int thread);
  int findSymbolIndex(u_long address);
};

#endif /* __leaky_h_ */