зеркало из https://github.com/mozilla/pjs.git
503 строки
13 KiB
C
503 строки
13 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express oqr
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is spacetrace.h/spacetrace.c code, released
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* Nov 6, 2001.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2001 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Garrett Arch Blythe, 31-October-2001
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU Public License (the "GPL"), in which case the
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* provisions of the GPL are applicable instead of those above.
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* If you wish to allow use of your version of this file only
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* under the terms of the GPL and not to allow others to use your
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* version of this file under the MPL, indicate your decision by
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* deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL. If you do not delete
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* the provisions above, a recipient may use your version of this
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* file under either the MPL or the GPL.
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*/
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#ifndef spacetrace_h__
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#define spacetrace_h__
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/*
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** spacetrace.h
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**
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** SpaceTrace is meant to take the output of trace-malloc and present
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** a picture of allocations over the run of the application.
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*/
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/*
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** Required includes.
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*/
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#include "nspr.h"
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#include "nsTraceMalloc.h"
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#include "tmreader.h"
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/*
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** REPORT_ERROR
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** REPORT_INFO
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**
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** Just report errors and stuff in a consistent manner.
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*/
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#define REPORT_ERROR(code, function) \
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PR_fprintf(PR_STDERR, "error(%d):\t%s\n", code, #function)
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#define REPORT_INFO(msg) \
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PR_fprintf(PR_STDOUT, "%s: %s\n", globals.mOptions.mProgramName, (msg))
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/*
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** CALLSITE_RUN
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**
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** How to get a callsite run.
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** Allows for further indirection if needed later.
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*/
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#define CALLSITE_RUN(callsite) \
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((STRun*)((callsite)->data))
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/*
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** ST_PERMS
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** ST_FLAGS
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**
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** File permissions we desire.
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** 0644
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*/
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#define ST_PERMS (PR_IRUSR | PR_IWUSR | PR_IRGRP | PR_IROTH)
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#define ST_FLAGS (PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE)
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/*
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** Sorting order
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*/
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#define ST_WEIGHT 0 /* size * timeval */
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#define ST_SIZE 1
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#define ST_TIMEVAL 2
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#define ST_COUNT 3
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#define ST_HEAPCOST 4
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/*
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** Callsite loop direction flags.
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*/
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#define ST_FOLLOW_SIBLINGS 0
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#define ST_FOLLOW_PARENTS 1
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/*
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** Graph data.
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*/
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#define STGD_WIDTH 640
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#define STGD_HEIGHT 480
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#define STGD_MARGIN 75
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#define STGD_SPACE_X (STGD_WIDTH - (2 * STGD_MARGIN))
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#define STGD_SPACE_Y (STGD_HEIGHT - (2 * STGD_MARGIN))
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/*
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** Minimum lifetime default, in seconds.
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*/
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#define ST_DEFAULT_LIFETIME_MIN 10
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/*
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** Allocations fall to this boundry size by default.
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*/
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#define ST_DEFAULT_ALIGNMENT_SIZE 16
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/*
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** Set the desired resolution of the timevals.
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** The resolution is just mimicking what is recorded in the trace-malloc
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** output, and that is currently milliseconds.
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*/
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#define ST_TIMEVAL_RESOLUTION 1000
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#define ST_TIMEVAL_FORMAT "%.3f"
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#define ST_TIMEVAL_PRINTABLE(timeval) ((PRFloat64)(timeval) / (PRFloat64)ST_TIMEVAL_RESOLUTION)
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#define ST_TIMEVAL_PRINTABLE64(timeval) ((PRFloat64)((PRInt64)(timeval)) / (PRFloat64)ST_TIMEVAL_RESOLUTION)
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#define ST_TIMEVAL_MAX ((PRUint32)-1 - ((PRUint32)-1 % ST_TIMEVAL_RESOLUTION))
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#define ST_MICROVAL_RESOLUTION 1000000
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#define ST_MICROVAL_FORMAT "%.6f"
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#define ST_MICROVAL_PRINTABLE(timeval) ((PRFloat64)(timeval) / (PRFloat64)ST_MICROVAL_RESOLUTION)
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#define ST_MICROVAL_PRINTABLE64(timeval) ((PRFloat64)((PRInt64)(timeval)) / (PRFloat64)ST_MICROVAL_RESOLUTION)
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#define ST_MICROVAL_MAX ((PRUint32)-1 - ((PRUint32)-1 % ST_MICROVAL_RESOLUTION))
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/*
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** STAllocEvent
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**
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** An event that happens to an allocation (malloc, free, et. al.)
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*/
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typedef struct __struct_STAllocEvent
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{
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/*
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** The type of allocation event.
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** This maps directly to the trace malloc events (i.e. TM_EVENT_MALLOC)
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*/
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char mEventType;
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/*
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** Each event, foremost, has a chronologically increasing ID in
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** relation to other allocation events. This is a time stamp
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** of sorts.
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*/
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PRUint32 mTimeval;
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/*
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** Every event has a heap ID (pointer).
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** In the event of a realloc, this is the new heap ID.
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** In the event of a free, this is the previous heap ID value.
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*/
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PRUint32 mHeapID;
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/*
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** Every event, along with the heap ID, tells of the size.
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** In the event of a realloc, this is the new size.
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** In th event of a free, this is the previous size.
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*/
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PRUint32 mHeapSize;
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/*
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** Every event has a callsite/stack backtrace.
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** In the event of a realloc, this is the new callsite.
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** In the event of a free, this is the previous call site.
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*/
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tmcallsite* mCallsite;
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} STAllocEvent;
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/*
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** STAllocation
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**
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** An allocation is a temporal entity in the heap.
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** It possibly lives under different heap IDs (pointers) and different
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** sizes during its given time.
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** An allocation is defined by the events during its lifetime.
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** An allocation's lifetime is defined by the range of event IDs it holds.
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*/
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typedef struct __struct_STAllocation
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{
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/*
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** The array of events.
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*/
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PRUint32 mEventCount;
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STAllocEvent* mEvents;
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/*
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** The lifetime/lifespan of the allocation.
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*/
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PRUint32 mMinTimeval;
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PRUint32 mMaxTimeval;
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/*
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** Index of this allocation in the global run.
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*/
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PRUint32 mRunIndex;
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/*
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** The runtime cost of heap events in this allocation.
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** The cost is defined as the number of time units recorded as being
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** spent in heap code (time of malloc, free, et al.).
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** We do not track individual event cost in order to save space.
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*/
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PRUint32 mHeapRuntimeCost;
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} STAllocation;
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/*
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** STCallsiteStats
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**
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** Stats regarding a run, kept mainly for callsite runs.
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*/
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typedef struct __struct_STCallsiteStats
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{
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/*
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** Sum timeval of the allocations.
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** Callsite runs total all allocations below the callsite.
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*/
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PRUint64 mTimeval64;
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/*
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** Sum weight of the allocations.
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** Callsite runs total all allocations below the callsite.
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*/
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PRUint64 mWeight64;
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/*
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** Sum size of the allocations.
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** Callsite runs total all allocations below the callsite.
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*/
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PRUint32 mSize;
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/*
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** A stamp, indicated the relevance of the run.
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** If the stamp does not match the origin value, the
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** data contained here-in is considered invalid.
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*/
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PRUint32 mStamp;
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/*
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** A sum total of allocations (note, not sizes) below the callsite.
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** This is NOT the same as STRun::mAllocationCount which
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** tracks the STRun::mAllocations array size.
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*/
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PRUint32 mCompositeCount;
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/*
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** A sum total runtime cost of heap operations below the calliste.
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** The cost is defined as the number of time units recorded as being
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** spent in heap code (time of malloc, free, et al.).
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*/
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PRUint32 mHeapRuntimeCost;
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} STCallsiteStats;
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/*
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** STRun
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**
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** A run is a closed set of allocations.
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** Given a run, we can deduce information about the contained allocations.
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** We can also determine if an allocation lives beyond a run (leak).
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**
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** A run might be used to represent allocations for an entire application.
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** A run might also be used to represent allocations from a single callstack.
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*/
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typedef struct __struct_STRun
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{
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/*
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** The array of allocations.
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*/
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PRUint32 mAllocationCount;
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STAllocation** mAllocations;
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/*
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** Callsites like to keep some information.
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*/
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STCallsiteStats mStats;
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} STRun;
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/*
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** STOptions
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**
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** Structure containing the various options for this code.
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*/
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typedef struct __struct_STOptions
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{
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/*
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** The string which identifies this program.
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*/
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const char* mProgramName;
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/*
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** File from which we retrieve the input.
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** The input should have been generated from a trace malloc run.
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*/
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const char* mFileName;
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/*
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** Which directory we will take over and write our output.
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*/
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const char* mOutputDir;
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/*
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** The various batch mode requests we've received.
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*/
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const char** mBatchRequests;
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PRUint32 mBatchRequestCount;
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/*
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** Httpd port, where we accept queries.
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*/
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PRUint32 mHttpdPort;
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/*
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** Wether or not we should show help.
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*/
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int mShowHelp;
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/*
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** Maximum number of items to put in a list.
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*/
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PRUint32 mListItemMax;
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/*
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** Sort order control.
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*/
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PRUint32 mOrderBy;
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/*
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** Memory alignment size.
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*/
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PRUint32 mAlignBy;
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/*
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** Timeval control.
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*/
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PRUint32 mTimevalMin;
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PRUint32 mTimevalMax;
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/*
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** Allocation timeval control.
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*/
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PRUint32 mAllocationTimevalMin;
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PRUint32 mAllocationTimevalMax;
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/*
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** Size control.
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*/
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PRUint32 mSizeMin;
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PRUint32 mSizeMax;
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/*
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** Lifetime timeval control.
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*/
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PRUint32 mLifetimeMin;
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PRUint32 mLifetimeMax;
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/*
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** Weight control.
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*/
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PRUint64 mWeightMin64;
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PRUint64 mWeightMax64;
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/*
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** Graph timeval control.
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*/
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PRUint32 mGraphTimevalMin;
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PRUint32 mGraphTimevalMax;
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/*
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** Restrict callsite backtraces to those containing text.
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*/
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char* mRestrictText;
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} STOptions;
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/*
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** STRequest
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**
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** Things specific to a request.
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*/
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typedef struct __struct_STRequest
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{
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/*
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** Sink/where to output.
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*/
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PRFileDesc* mFD;
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/*
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** The tmreader, should we need some data from it.
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*/
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tmreader* mTMR;
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/*
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** The filename requested.
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*/
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const char* mFileName;
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/*
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** The GET form data, if any.
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*/
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const char* mGetData;
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} STRequest;
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/*
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** STCache
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**
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** Things we cache when the options get set.
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** We can avoid some heavy duty processing should the options remain
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** constant by caching them here.
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*/
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typedef struct __struct_STCache
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{
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/*
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** Pre sorted run.
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*/
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STRun* mSortedRun;
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/*
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** Footprint graph cache.
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*/
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int mFootprintCached;
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PRUint32 mFootprintYData[STGD_SPACE_X];
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/*
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** Timeval graph cache.
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*/
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int mTimevalCached;
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PRUint32 mTimevalYData[STGD_SPACE_X];
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/*
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** Lifespan graph cache.
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*/
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int mLifespanCached;
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PRUint32 mLifespanYData[STGD_SPACE_X];
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/*
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** Weight graph cache.
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*/
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int mWeightCached;
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PRUint64 mWeightYData64[STGD_SPACE_X];
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} STCache;
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/*
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** STGlobals
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**
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** Various globals we keep around.
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*/
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typedef struct __struct_STGlobals
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{
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/*
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** Options derived from the command line.
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*/
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STOptions mOptions;
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/*
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** Cached data, generally reset by the options.
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*/
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STCache mCache;
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/*
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** What the current request is.
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*/
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STRequest mRequest;
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/*
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** Various counters for different types of events.
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*/
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PRUint32 mMallocCount;
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PRUint32 mCallocCount;
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PRUint32 mReallocCount;
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PRUint32 mFreeCount;
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/*
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** Total events, operation counter.
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*/
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PRUint32 mOperationCount;
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/*
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** The "run" of the input.
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*/
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STRun mRun;
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/*
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** Operation minimum/maximum timevals.
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** So that we can determine the overall timeval of the run.
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** NOTE: These are NOT the options to control the data set.
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*/
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PRUint32 mMinTimeval;
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PRUint32 mMaxTimeval;
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/*
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** Set to non-zero when the httpd server should stop accepting
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** connections.
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*/
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int mStopHttpd;
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} STGlobals;
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#endif /* spacetrace_h__ */
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