зеркало из https://github.com/mozilla/gecko-dev.git
892 строки
28 KiB
C
892 строки
28 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h> /* XXX push error reporting out to clients? */
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#ifndef XP_WIN
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#include <unistd.h>
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#else
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#include <stddef.h>
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#endif
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#include "prlog.h"
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#include "plhash.h"
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/* make sure this happens before tmreader.h */
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#define PL_ARENA_CONST_ALIGN_MASK 2
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#include "plarena.h"
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#include "prnetdb.h"
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#include "nsTraceMalloc.h"
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#include "tmreader.h"
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#undef DEBUG_tmreader
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static int accum_byte(FILE *fp, uint32_t *uip)
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{
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int c = getc(fp);
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if (c == EOF)
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return 0;
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*uip = (*uip << 8) | c;
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return 1;
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}
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static int get_uint32(FILE *fp, uint32_t *uip)
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{
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int c;
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uint32_t ui;
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c = getc(fp);
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if (c == EOF)
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return 0;
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ui = 0;
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if (c & 0x80) {
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c &= 0x7f;
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if (c & 0x40) {
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c &= 0x3f;
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if (c & 0x20) {
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c &= 0x1f;
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if (c & 0x10) {
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if (!accum_byte(fp, &ui))
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return 0;
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} else {
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ui = (uint32_t) c;
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}
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if (!accum_byte(fp, &ui))
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return 0;
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} else {
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ui = (uint32_t) c;
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}
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if (!accum_byte(fp, &ui))
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return 0;
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} else {
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ui = (uint32_t) c;
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}
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if (!accum_byte(fp, &ui))
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return 0;
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} else {
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ui = (uint32_t) c;
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}
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*uip = ui;
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return 1;
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}
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static char *get_string(FILE *fp)
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{
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char *cp;
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int c;
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static char buf[256];
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static char *bp = buf, *ep = buf + sizeof buf;
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static size_t bsize = sizeof buf;
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cp = bp;
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do {
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c = getc(fp);
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if (c == EOF)
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return 0;
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if (cp == ep) {
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if (bp == buf) {
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bp = malloc(2 * bsize);
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if (bp)
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memcpy(bp, buf, bsize);
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} else {
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bp = realloc(bp, 2 * bsize);
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}
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if (!bp)
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return 0;
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cp = bp + bsize;
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bsize *= 2;
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ep = bp + bsize;
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}
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*cp++ = c;
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} while (c != '\0');
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return strdup(bp);
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}
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static int get_tmevent(FILE *fp, tmevent *event)
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{
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int c;
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char *s;
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c = getc(fp);
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if (c == EOF)
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return 0;
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event->type = (char) c;
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if (!get_uint32(fp, &event->serial))
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return 0;
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switch (c) {
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case TM_EVENT_LIBRARY:
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s = get_string(fp);
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if (!s)
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return 0;
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event->u.libname = s;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u libname=\"%s\"\n", event->type, event->serial,
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event->u.libname);
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#endif
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break;
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case TM_EVENT_FILENAME:
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s = get_string(fp);
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if (!s)
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return 0;
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event->u.srcname = s;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u srcname=\"%s\"\n",
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event->type, event->serial, event->u.srcname);
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#endif
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break;
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case TM_EVENT_METHOD:
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if (!get_uint32(fp, &event->u.method.library))
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return 0;
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if (!get_uint32(fp, &event->u.method.filename))
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return 0;
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if (!get_uint32(fp, &event->u.method.linenumber))
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return 0;
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s = get_string(fp);
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if (!s)
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return 0;
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event->u.method.name = s;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u library=%u filename=%u linenumber=%u "
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"name=\"%s\"\n",
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event->type, event->serial,
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event->u.method.library, event->u.method.filename,
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event->u.method.linenumber, event->u.method.name);
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#endif
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break;
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case TM_EVENT_CALLSITE:
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if (!get_uint32(fp, &event->u.site.parent))
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return 0;
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if (!get_uint32(fp, &event->u.site.method))
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return 0;
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if (!get_uint32(fp, &event->u.site.offset))
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return 0;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u parent=%u method=%u offset=%u\n",
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event->type, event->serial,
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event->u.site.parent, event->u.site.method,
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event->u.site.offset);
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#endif
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break;
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case TM_EVENT_MALLOC:
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case TM_EVENT_CALLOC:
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case TM_EVENT_FREE:
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if (!get_uint32(fp, &event->u.alloc.interval))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.cost))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.ptr))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.size))
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return 0;
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event->u.alloc.oldserial = 0;
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event->u.alloc.oldptr = 0;
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event->u.alloc.oldsize = 0;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u interval=%u cost=%u ptr=0x%x size=%u\n",
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event->type, event->serial,
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event->u.alloc.interval, event->u.alloc.cost,
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event->u.alloc.ptr, event->u.alloc.size);
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#endif
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#if defined(DEBUG_dp)
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if (c == TM_EVENT_MALLOC)
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printf("%d malloc %d 0x%p\n", event->u.alloc.cost,
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event->u.alloc.size, event->u.alloc.ptr);
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else if (c == TM_EVENT_CALLOC)
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printf("%d calloc %d 0x%p\n", event->u.alloc.cost,
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event->u.alloc.size, event->u.alloc.ptr);
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else
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printf("%d free %d 0x%p\n", event->u.alloc.cost,
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event->u.alloc.size, event->u.alloc.ptr);
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#endif
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break;
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case TM_EVENT_REALLOC:
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if (!get_uint32(fp, &event->u.alloc.interval))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.cost))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.ptr))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.size))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.oldserial))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.oldptr))
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return 0;
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if (!get_uint32(fp, &event->u.alloc.oldsize))
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return 0;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u interval=%u cost=%u ptr=0x%x size=%u "
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"oldserial=%u oldptr=0x%x oldsize=%u\n",
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event->type, event->serial,
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event->u.alloc.interval, event->u.alloc.cost,
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event->u.alloc.ptr, event->u.alloc.size,
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event->u.alloc.oldserial, event->u.alloc.oldptr,
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event->u.alloc.oldsize);
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#endif
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#if defined(DEBUG_dp)
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printf("%d realloc %d 0x%p %d\n", event->u.alloc.cost,
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event->u.alloc.size, event->u.alloc.ptr, event->u.alloc.oldsize);
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#endif
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break;
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case TM_EVENT_STATS:
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_maxstack))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_maxdepth))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_parents))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_maxkids))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_kidhits))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_kidmisses))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calltree_kidsteps))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.callsite_recurrences))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.backtrace_calls))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.backtrace_failures))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.btmalloc_failures))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.dladdr_failures))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.malloc_calls))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.malloc_failures))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calloc_calls))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.calloc_failures))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.realloc_calls))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.realloc_failures))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.free_calls))
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return 0;
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if (!get_uint32(fp, &event->u.stats.tmstats.null_free_calls))
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return 0;
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if (!get_uint32(fp, &event->u.stats.calltree_maxkids_parent))
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return 0;
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if (!get_uint32(fp, &event->u.stats.calltree_maxstack_top))
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return 0;
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#ifdef DEBUG_tmreader
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fprintf(stderr, "tmevent %c %u\n", event->type, event->serial);
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#endif
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break;
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default:
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fprintf(stderr, "Unknown event type 0x%x\n", (unsigned int)event->type);
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return 0;
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}
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return 1;
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}
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static void *arena_alloc(void* pool, size_t size)
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{
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PLArenaPool* arena = (PLArenaPool*)pool;
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void* result;
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PL_ARENA_ALLOCATE(result, arena, size);
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memset(result, 0, size);
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return result;
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}
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static void *generic_alloctable(void *pool, size_t size)
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{
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return arena_alloc(pool, size);
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}
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static void generic_freetable(void *pool, void *item)
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{
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/* do nothing - arena-allocated */
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}
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static PLHashEntry *filename_allocentry(void *pool, const void *key)
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{
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return (PLHashEntry*)arena_alloc(pool, sizeof(PLHashEntry));
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}
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static PLHashEntry *callsite_allocentry(void *pool, const void *key)
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{
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return (PLHashEntry*)arena_alloc(pool, sizeof(tmcallsite));
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}
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static void init_graphnode(tmgraphnode* node)
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{
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node->in = node->out = NULL;
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node->up = node->down = node->next = NULL;
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node->low = 0;
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node->allocs.bytes.direct = node->allocs.bytes.total = 0;
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node->allocs.calls.direct = node->allocs.calls.total = 0;
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node->frees.bytes.direct = node->frees.bytes.total = 0;
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node->frees.calls.direct = node->frees.calls.total = 0;
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node->sqsum = 0;
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node->sort = -1;
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}
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static PLHashEntry *graphnode_allocentry(void *pool, const void *key)
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{
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tmgraphnode* node = (tmgraphnode*)arena_alloc(pool, sizeof(tmgraphnode));
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if (!node)
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return NULL;
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init_graphnode(node);
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return &node->entry;
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}
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static void init_method(tmmethodnode *node)
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{
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node->graphnode.in = node->graphnode.out = NULL;
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node->graphnode.up = node->graphnode.down = node->graphnode.next = NULL;
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node->graphnode.low = 0;
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node->graphnode.allocs.bytes.direct = node->graphnode.allocs.bytes.total = 0;
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node->graphnode.allocs.calls.direct = node->graphnode.allocs.calls.total = 0;
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node->graphnode.frees.bytes.direct = node->graphnode.frees.bytes.total = 0;
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node->graphnode.frees.calls.direct = node->graphnode.frees.calls.total = 0;
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node->graphnode.sqsum = 0;
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node->graphnode.sort = -1;
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node->sourcefile = NULL;
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node->linenumber = 0;
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}
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static PLHashEntry *method_allocentry(void *pool, const void *key)
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{
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tmmethodnode *node =
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(tmmethodnode*) arena_alloc(pool, sizeof(tmmethodnode));
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if (!node)
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return NULL;
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init_method(node);
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return &node->graphnode.entry;
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}
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static void graphnode_freeentry(void *pool, PLHashEntry *he, unsigned flag)
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{
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/* Always free the value, which points to a strdup'd string. */
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free(he->value);
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#if 0 /* using arenas now, no freeing! */
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/* Free the whole thing if we're told to. */
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if (flag == HT_FREE_ENTRY)
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free((void*) he);
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#endif
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}
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static void component_freeentry(void *pool, PLHashEntry *he, unsigned flag)
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{
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if (flag == HT_FREE_ENTRY) {
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tmgraphnode *comp = (tmgraphnode*) he;
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/* Free the key, which was strdup'd (N.B. value also points to it). */
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free((void*) tmcomponent_name(comp));
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#if 0 /* using arenas now, no freeing! */
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free((void*) comp);
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#endif
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}
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}
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static PLHashAllocOps filename_hashallocops = {
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generic_alloctable, generic_freetable,
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filename_allocentry, graphnode_freeentry
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};
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static PLHashAllocOps callsite_hashallocops = {
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generic_alloctable, generic_freetable,
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callsite_allocentry, graphnode_freeentry
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};
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static PLHashAllocOps graphnode_hashallocops = {
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generic_alloctable, generic_freetable,
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graphnode_allocentry, graphnode_freeentry
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};
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static PLHashAllocOps method_hashallocops = {
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generic_alloctable, generic_freetable,
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method_allocentry, graphnode_freeentry
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};
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static PLHashAllocOps component_hashallocops = {
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generic_alloctable, generic_freetable,
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graphnode_allocentry, component_freeentry
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};
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static PLHashNumber hash_serial(const void *key)
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{
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return (PLHashNumber) key;
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}
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tmreader *tmreader_new(const char *program, void *data)
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{
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tmreader *tmr;
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tmr = calloc(1, sizeof *tmr);
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if (!tmr)
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return NULL;
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tmr->program = program;
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tmr->data = data;
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PL_INIT_ARENA_POOL(&tmr->arena, "TMReader", 256*1024);
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tmr->libraries = PL_NewHashTable(100, hash_serial, PL_CompareValues,
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PL_CompareStrings, &graphnode_hashallocops,
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&tmr->arena);
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tmr->filenames = PL_NewHashTable(100, hash_serial, PL_CompareValues,
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PL_CompareStrings, &filename_hashallocops,
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&tmr->arena);
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tmr->components = PL_NewHashTable(10000, PL_HashString, PL_CompareStrings,
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PL_CompareValues, &component_hashallocops,
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&tmr->arena);
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tmr->methods = PL_NewHashTable(10000, hash_serial, PL_CompareValues,
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PL_CompareStrings, &method_hashallocops,
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&tmr->arena);
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tmr->callsites = PL_NewHashTable(200000, hash_serial, PL_CompareValues,
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PL_CompareValues, &callsite_hashallocops,
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&tmr->arena);
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tmr->calltree_root.entry.value = (void*) strdup("root");
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if (!tmr->libraries || !tmr->components || !tmr->methods ||
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!tmr->callsites || !tmr->calltree_root.entry.value ||
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!tmr->filenames) {
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tmreader_destroy(tmr);
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return NULL;
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}
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return tmr;
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}
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void tmreader_destroy(tmreader *tmr)
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{
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if (tmr->libraries)
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PL_HashTableDestroy(tmr->libraries);
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if (tmr->filenames)
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PL_HashTableDestroy(tmr->filenames);
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if (tmr->components)
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PL_HashTableDestroy(tmr->components);
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if (tmr->methods)
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PL_HashTableDestroy(tmr->methods);
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if (tmr->callsites)
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PL_HashTableDestroy(tmr->callsites);
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PL_FinishArenaPool(&tmr->arena);
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free(tmr);
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}
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int tmreader_eventloop(tmreader *tmr, const char *filename,
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tmeventhandler eventhandler)
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{
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FILE *fp;
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char buf[NS_TRACE_MALLOC_MAGIC_SIZE];
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tmevent event;
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static const char magic[] = NS_TRACE_MALLOC_MAGIC;
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if (strcmp(filename, "-") == 0) {
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fp = stdin;
|
|
} else {
|
|
#if defined(XP_WIN32)
|
|
fp = fopen(filename, "rb");
|
|
#else
|
|
fp = fopen(filename, "r");
|
|
#endif
|
|
if (!fp) {
|
|
fprintf(stderr, "%s: can't open %s: %s.\n",
|
|
tmr->program, filename, strerror(errno));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (read(fileno(fp), buf, sizeof buf) != sizeof buf ||
|
|
strncmp(buf, magic, sizeof buf) != 0) {
|
|
fprintf(stderr, "%s: bad magic string %s at start of %s.\n",
|
|
tmr->program, buf, filename);
|
|
fprintf(stderr, "either the data file is out of date,\nor your tools are out of date.\n");
|
|
return 0;
|
|
}
|
|
|
|
/* Read in ticks per second. Used to convert platform specific intervals to time values */
|
|
if (read(fileno(fp), &tmr->ticksPerSec, sizeof tmr->ticksPerSec) != sizeof tmr->ticksPerSec) {
|
|
fprintf(stderr, "%s: Cannot read ticksPerSec. Log file read error.\n",
|
|
tmr->program);
|
|
return 0;
|
|
}
|
|
tmr->ticksPerSec = PR_ntohl(tmr->ticksPerSec);
|
|
#ifdef DEBUG_dp
|
|
printf("DEBUG: ticks per sec = %d\n", tmr->ticksPerSec);
|
|
#endif
|
|
while (get_tmevent(fp, &event)) {
|
|
switch (event.type) {
|
|
case TM_EVENT_LIBRARY: {
|
|
const void *key;
|
|
PLHashNumber hash;
|
|
PLHashEntry **hep, *he;
|
|
|
|
key = (const void*) event.serial;
|
|
hash = hash_serial(key);
|
|
hep = PL_HashTableRawLookup(tmr->libraries, hash, key);
|
|
he = *hep;
|
|
PR_ASSERT(!he);
|
|
if (he) exit(2);
|
|
|
|
he = PL_HashTableRawAdd(tmr->libraries, hep, hash, key,
|
|
event.u.libname);
|
|
if (!he) {
|
|
perror(tmr->program);
|
|
return -1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case TM_EVENT_FILENAME: {
|
|
const void *key;
|
|
PLHashNumber hash;
|
|
PLHashEntry **hep, *he;
|
|
|
|
key = (const void*) event.serial;
|
|
hash = hash_serial(key);
|
|
hep = PL_HashTableRawLookup(tmr->filenames, hash, key);
|
|
he = *hep;
|
|
PR_ASSERT(!he);
|
|
if (he) exit(2);
|
|
|
|
he = PL_HashTableRawAdd(tmr->filenames, hep, hash, key,
|
|
event.u.srcname);
|
|
if (!he) {
|
|
perror(tmr->program);
|
|
return -1;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case TM_EVENT_METHOD: {
|
|
const void *key, *sourcekey;
|
|
PLHashNumber hash, sourcehash;
|
|
PLHashEntry **hep, *he, **sourcehep, *sourcehe;
|
|
char *name, *head, *mark, save;
|
|
tmgraphnode *comp, *lib;
|
|
tmmethodnode *meth;
|
|
|
|
key = (const void*) event.serial;
|
|
hash = hash_serial(key);
|
|
hep = PL_HashTableRawLookup(tmr->methods, hash, key);
|
|
he = *hep;
|
|
PR_ASSERT(!he);
|
|
if (he) exit(2);
|
|
|
|
name = event.u.method.name;
|
|
he = PL_HashTableRawAdd(tmr->methods, hep, hash, key, name);
|
|
if (!he) {
|
|
perror(tmr->program);
|
|
return -1;
|
|
}
|
|
meth = (tmmethodnode*) he;
|
|
|
|
meth->linenumber = event.u.method.linenumber;
|
|
sourcekey = (const void*)event.u.method.filename;
|
|
sourcehash = hash_serial(sourcekey);
|
|
sourcehep = PL_HashTableRawLookup(tmr->filenames, sourcehash, sourcekey);
|
|
sourcehe = *sourcehep;
|
|
meth->sourcefile = filename_name(sourcehe);
|
|
|
|
head = name;
|
|
mark = strchr(name, ':');
|
|
if (!mark) {
|
|
mark = name;
|
|
while (*mark != '\0' && *mark == '_')
|
|
mark++;
|
|
head = mark;
|
|
mark = strchr(head, '_');
|
|
if (!mark) {
|
|
mark = strchr(head, '+');
|
|
if (!mark)
|
|
mark = head + strlen(head);
|
|
}
|
|
}
|
|
|
|
save = *mark;
|
|
*mark = '\0';
|
|
hash = PL_HashString(head);
|
|
hep = PL_HashTableRawLookup(tmr->components, hash, head);
|
|
he = *hep;
|
|
if (he) {
|
|
comp = (tmgraphnode*) he;
|
|
} else {
|
|
head = strdup(head);
|
|
if (head) {
|
|
he = PL_HashTableRawAdd(tmr->components, hep, hash, head,
|
|
head);
|
|
}
|
|
if (!he) {
|
|
perror(tmr->program);
|
|
return -1;
|
|
}
|
|
comp = (tmgraphnode*) he;
|
|
|
|
key = (const void*) event.u.method.library;
|
|
hash = hash_serial(key);
|
|
lib = (tmgraphnode*)
|
|
*PL_HashTableRawLookup(tmr->libraries, hash, key);
|
|
if (lib) {
|
|
comp->up = lib;
|
|
comp->next = lib->down;
|
|
lib->down = comp;
|
|
}
|
|
}
|
|
*mark = save;
|
|
|
|
meth->graphnode.up = comp;
|
|
meth->graphnode.next = comp->down;
|
|
comp->down = &(meth->graphnode);
|
|
break;
|
|
}
|
|
|
|
case TM_EVENT_CALLSITE: {
|
|
const void *key, *mkey;
|
|
PLHashNumber hash, mhash;
|
|
PLHashEntry **hep, *he;
|
|
tmcallsite *site, *parent;
|
|
tmmethodnode *meth;
|
|
|
|
key = (const void*) event.serial;
|
|
hash = hash_serial(key);
|
|
hep = PL_HashTableRawLookup(tmr->callsites, hash, key);
|
|
he = *hep;
|
|
|
|
/* there should not be an entry here! */
|
|
PR_ASSERT(!he);
|
|
if (he) exit(2);
|
|
|
|
if (event.u.site.parent == 0) {
|
|
parent = &tmr->calltree_root;
|
|
} else {
|
|
parent = tmreader_callsite(tmr, event.u.site.parent);
|
|
if (!parent) {
|
|
fprintf(stderr, "%s: no parent for %lu (%lu)!\n",
|
|
tmr->program, (unsigned long) event.serial,
|
|
(unsigned long) event.u.site.parent);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
he = PL_HashTableRawAdd(tmr->callsites, hep, hash, key, NULL);
|
|
if (!he) {
|
|
perror(tmr->program);
|
|
return -1;
|
|
}
|
|
|
|
site = (tmcallsite*) he;
|
|
site->parent = parent;
|
|
site->siblings = parent->kids;
|
|
parent->kids = site;
|
|
site->kids = NULL;
|
|
|
|
mkey = (const void*) event.u.site.method;
|
|
mhash = hash_serial(mkey);
|
|
meth = (tmmethodnode*)
|
|
*PL_HashTableRawLookup(tmr->methods, mhash, mkey);
|
|
site->method = meth;
|
|
site->offset = event.u.site.offset;
|
|
site->allocs.bytes.direct = site->allocs.bytes.total = 0;
|
|
site->allocs.calls.direct = site->allocs.calls.total = 0;
|
|
site->frees.bytes.direct = site->frees.bytes.total = 0;
|
|
site->frees.calls.direct = site->frees.calls.total = 0;
|
|
break;
|
|
}
|
|
|
|
case TM_EVENT_MALLOC:
|
|
case TM_EVENT_CALLOC:
|
|
case TM_EVENT_REALLOC: {
|
|
tmcallsite *site;
|
|
uint32_t size, oldsize;
|
|
double delta, sqdelta, sqszdelta = 0;
|
|
tmgraphnode *comp, *lib;
|
|
tmmethodnode *meth;
|
|
|
|
site = tmreader_callsite(tmr, event.serial);
|
|
if (!site) {
|
|
fprintf(stderr, "%s: no callsite for '%c' (%lu)!\n",
|
|
tmr->program, event.type, (unsigned long) event.serial);
|
|
continue;
|
|
}
|
|
|
|
size = event.u.alloc.size;
|
|
oldsize = event.u.alloc.oldsize;
|
|
delta = (double)size - (double)oldsize;
|
|
site->allocs.bytes.direct += (unsigned long)delta;
|
|
if (event.type != TM_EVENT_REALLOC)
|
|
site->allocs.calls.direct++;
|
|
meth = site->method;
|
|
if (meth) {
|
|
meth->graphnode.allocs.bytes.direct += (unsigned long)delta;
|
|
sqdelta = delta * delta;
|
|
if (event.type == TM_EVENT_REALLOC) {
|
|
sqszdelta = ((double)size * size)
|
|
- ((double)oldsize * oldsize);
|
|
meth->graphnode.sqsum += sqszdelta;
|
|
} else {
|
|
meth->graphnode.sqsum += sqdelta;
|
|
meth->graphnode.allocs.calls.direct++;
|
|
}
|
|
comp = meth->graphnode.up;
|
|
if (comp) {
|
|
comp->allocs.bytes.direct += (unsigned long)delta;
|
|
if (event.type == TM_EVENT_REALLOC) {
|
|
comp->sqsum += sqszdelta;
|
|
} else {
|
|
comp->sqsum += sqdelta;
|
|
comp->allocs.calls.direct++;
|
|
}
|
|
lib = comp->up;
|
|
if (lib) {
|
|
lib->allocs.bytes.direct += (unsigned long)delta;
|
|
if (event.type == TM_EVENT_REALLOC) {
|
|
lib->sqsum += sqszdelta;
|
|
} else {
|
|
lib->sqsum += sqdelta;
|
|
lib->allocs.calls.direct++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case TM_EVENT_FREE: {
|
|
tmcallsite *site;
|
|
uint32_t size;
|
|
tmgraphnode *comp, *lib;
|
|
tmmethodnode *meth;
|
|
|
|
site = tmreader_callsite(tmr, event.serial);
|
|
if (!site) {
|
|
fprintf(stderr, "%s: no callsite for '%c' (%lu)!\n",
|
|
tmr->program, event.type, (unsigned long) event.serial);
|
|
continue;
|
|
}
|
|
size = event.u.alloc.size;
|
|
site->frees.bytes.direct += size;
|
|
site->frees.calls.direct++;
|
|
meth = site->method;
|
|
if (meth) {
|
|
meth->graphnode.frees.bytes.direct += size;
|
|
meth->graphnode.frees.calls.direct++;
|
|
comp = meth->graphnode.up;
|
|
if (comp) {
|
|
comp->frees.bytes.direct += size;
|
|
comp->frees.calls.direct++;
|
|
lib = comp->up;
|
|
if (lib) {
|
|
lib->frees.bytes.direct += size;
|
|
lib->frees.calls.direct++;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case TM_EVENT_STATS:
|
|
break;
|
|
}
|
|
|
|
eventhandler(tmr, &event);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
tmgraphnode *tmreader_library(tmreader *tmr, uint32_t serial)
|
|
{
|
|
const void *key;
|
|
PLHashNumber hash;
|
|
|
|
key = (const void*) serial;
|
|
hash = hash_serial(key);
|
|
return (tmgraphnode*) *PL_HashTableRawLookup(tmr->libraries, hash, key);
|
|
}
|
|
|
|
tmgraphnode *tmreader_filename(tmreader *tmr, uint32_t serial)
|
|
{
|
|
const void *key;
|
|
PLHashNumber hash;
|
|
|
|
key = (const void*) serial;
|
|
hash = hash_serial(key);
|
|
return (tmgraphnode*) *PL_HashTableRawLookup(tmr->filenames, hash, key);
|
|
}
|
|
|
|
tmgraphnode *tmreader_component(tmreader *tmr, const char *name)
|
|
{
|
|
PLHashNumber hash;
|
|
|
|
hash = PL_HashString(name);
|
|
return (tmgraphnode*) *PL_HashTableRawLookup(tmr->components, hash, name);
|
|
}
|
|
|
|
tmmethodnode *tmreader_method(tmreader *tmr, uint32_t serial)
|
|
{
|
|
const void *key;
|
|
PLHashNumber hash;
|
|
|
|
key = (const void*) serial;
|
|
hash = hash_serial(key);
|
|
return (tmmethodnode*) *PL_HashTableRawLookup(tmr->methods, hash, key);
|
|
}
|
|
|
|
tmcallsite *tmreader_callsite(tmreader *tmr, uint32_t serial)
|
|
{
|
|
const void *key;
|
|
PLHashNumber hash;
|
|
|
|
key = (const void*) serial;
|
|
hash = hash_serial(key);
|
|
return (tmcallsite*) *PL_HashTableRawLookup(tmr->callsites, hash, key);
|
|
}
|
|
|
|
int tmgraphnode_connect(tmgraphnode *from, tmgraphnode *to, tmcallsite *site)
|
|
{
|
|
tmgraphlink *outlink;
|
|
tmgraphedge *edge;
|
|
|
|
for (outlink = from->out; outlink; outlink = outlink->next) {
|
|
if (outlink->node == to) {
|
|
/*
|
|
* Say the stack looks like this: ... => JS => js => JS => js.
|
|
* We must avoid overcounting JS=>js because the first edge total
|
|
* includes the second JS=>js edge's total (which is because the
|
|
* lower site's total includes all its kids' totals).
|
|
*/
|
|
edge = TM_LINK_TO_EDGE(outlink, TM_EDGE_OUT_LINK);
|
|
if (!to->low || to->low < from->low) {
|
|
/* Add the direct and total counts to edge->allocs. */
|
|
edge->allocs.bytes.direct += site->allocs.bytes.direct;
|
|
edge->allocs.bytes.total += site->allocs.bytes.total;
|
|
edge->allocs.calls.direct += site->allocs.calls.direct;
|
|
edge->allocs.calls.total += site->allocs.calls.total;
|
|
|
|
/* Now update the free counts. */
|
|
edge->frees.bytes.direct += site->frees.bytes.direct;
|
|
edge->frees.bytes.total += site->frees.bytes.total;
|
|
edge->frees.calls.direct += site->frees.calls.direct;
|
|
edge->frees.calls.total += site->frees.calls.total;
|
|
}
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
edge = (tmgraphedge*) malloc(sizeof(tmgraphedge));
|
|
if (!edge)
|
|
return 0;
|
|
edge->links[TM_EDGE_OUT_LINK].node = to;
|
|
edge->links[TM_EDGE_OUT_LINK].next = from->out;
|
|
from->out = &edge->links[TM_EDGE_OUT_LINK];
|
|
edge->links[TM_EDGE_IN_LINK].node = from;
|
|
edge->links[TM_EDGE_IN_LINK].next = to->in;
|
|
to->in = &edge->links[TM_EDGE_IN_LINK];
|
|
edge->allocs = site->allocs;
|
|
edge->frees = site->frees;
|
|
return 1;
|
|
}
|