forked from github/verilator
c78254503c
git-svn-id: file://localhost/svn/verilator/trunk/verilator@769 77ca24e4-aefa-0310-84f0-b9a241c72d87
88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
// $Id$
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// DESCRIPTION: Verilator: Verilog Test driver/expect definition
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//
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// Copyright 2003-2006 by Wilson Snyder. This program is free software; you can
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// redistribute it and/or modify it under the terms of either the GNU
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// General Public License or the Perl Artistic License.
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#include <stdlib.h>
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#include <stdio.h>
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#include <verilated.h>
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#include "Vt_leak.h"
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unsigned int main_time = false;
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double sc_time_stamp () {
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return main_time;
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}
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long long get_memory_usage() {
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// Return memory usage. Return 0 if the system doesn't look quite right.
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#if 0 // BSD only.
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struct rusage usage;
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getrusage(RUSAGE_SELF, &usage);
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return usage.ru_ixrss + usage.ru_idrss + usage.ru_isrss;
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#endif
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FILE* fp = fopen("/proc/self/stat", "r");
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if (!fp) return 0;
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int ps_ign;
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long long ps_vsize, ps_rss;
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int items = fscanf(fp, ("%d (%*[^) ]) %*1s %d %*d %*d %*d %*d %u"
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" %u %u %u %u %d %d %d %d"
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" %*d %*d %*u %*u %d %llu %llu "),
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&ps_ign, &ps_ign, &ps_ign,
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&ps_ign, &ps_ign, &ps_ign, &ps_ign,
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&ps_ign, &ps_ign, &ps_ign, &ps_ign,
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&ps_ign, &ps_vsize, &ps_rss);
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fclose(fp);
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if (items >= 14) {
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return ps_vsize;
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} else {
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return 0;
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}
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}
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void make_and_destroy () {
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Vt_leak* topp = new Vt_leak;
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Verilated::debug(0);
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Verilated::gotFinish(0);
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topp->eval();
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topp->clk = true;
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while (!Verilated::gotFinish()) {
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main_time+=5;
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topp->clk=!topp->clk;
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topp->eval();
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}
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delete topp; topp=NULL;
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}
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int main (int argc, char *argv[]) {
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long long firstUsage = get_memory_usage();
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// Warmup phase
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for (int i=0; i<1000; i++) {
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make_and_destroy();
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}
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firstUsage = get_memory_usage();
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printf("Memory size %lld bytes\n", firstUsage);
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int loops = 100*1000;
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for (int left=loops; left>0;) {
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for (int j=0; j<1000; j++, left--) {
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make_and_destroy();
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}
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}
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long long leaked = get_memory_usage() - firstUsage;
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if (leaked > 64*1024) { // Have to allow some slop for this code.
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printf ("Leaked %lld bytes, or ~ %lld bytes/construt\n", leaked, leaked/loops);
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vl_fatal(__FILE__,__LINE__,"top", "Leaked memory\n");
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}
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printf ("*-* All Finished *-*\n");
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}
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