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#!/usr/bin/perl
use strict;
my $buf;
my $memory_file = shift;
my $syms_file = "./img/hbicore.syms";
my $search_path = "./obj/";
# Print header.
printf "-------------------------------------------------------------------------------\n";
printf "%8s %6s %5s %8s %4s %s\n",
"Sec", "Usec",
"PID", "Comp", "Line",
"Entry Data";
printf "-------------------------------------------------------------------------------\n";
open MEMORY, $memory_file || die "Cannot open $memory_file";
binmode MEMORY;
# Find pointer for trace buffer instance.
my $first_page = hex ((split ",",`grep ",Singleton<TraceBuffer>::instance()::instance" $syms_file`)[1]);
seek MEMORY, $first_page, 0;
read MEMORY, $buf, 8;
$first_page = unpack "Q>1", $buf;
# Iterate over all the trace pages.
while (0 != $first_page)
{
printf "Buffer Page: 0x%08x - ", $first_page;
# Read page size (in bytes)
seek MEMORY, $first_page + 8, 0;
read MEMORY, $buf, 8;
my $page_size = unpack "Q>1", $buf;
if ($page_size > 4096) { $page_size = 4096; }
printf "%d bytes\n", $page_size;
while ($page_size)
{
read MEMORY, $buf, 32;
my ($comp, $tid, $len, $hash, $timestamp, $line, $unused) =
unpack "Q>1 S>1 S>1 L>1 Q>1 L>1 L>1", $buf;
if (0 == $hash)
{
$page_size = 0;
}
else
{
my $hash_string =
`find $search_path -name "*.hash" | xargs grep $hash`;
chomp $hash_string;
my ($unused, $format, $file) = split /\|\|/, $hash_string;
$page_size -= 32;
# Read extra words.
my @extra_words = ();
while ($len)
{
read MEMORY, $buf, 8;
my $data = unpack "Q>1", $buf;
$len -= 8;
$page_size -= 8;
push @extra_words, $data;
}
# Read component string.
if (0 != $comp)
{
my $loc = tell MEMORY;
seek MEMORY, $comp, 0;
$/ = "\0";
$comp = <MEMORY>;
seek MEMORY, $loc, 0;
}
# Calculate time in seconds.
my $timesec = int($timestamp / 512000000);
my $timeusec = int(($timestamp - ($timesec * 512000000)) / 512);
printf "%08d.%06d|%5d|%8s|%4d|$format\n",
$timesec, $timeusec,
$tid,
$comp,
$line,
@extra_words;
}
}
# Find pointer to next page.
seek MEMORY, $first_page, 0;
read MEMORY, $buf, 8;
$first_page = unpack "Q>1", $buf;
}
close MEMORY;
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