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Port improved pt-pmp

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- Suggestions by Evgeniy
This commit is contained in:
Sveta Smirnova
2024-01-22 18:52:22 +03:00
parent 08946bcbba
commit 4581f12592
1 changed files with 44 additions and 39 deletions
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83
bin/pt-eustack-resolver
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@@ -8,40 +8,49 @@ use strict;
use Data::Dumper;
my $mmap;
my $FH;
sub load_mapping {
my ($pid)= @_;
my ($pid)= @_;
if ($pid =~ /^[0-9]+$/) {
open F, '<', "/proc/$pid/maps"
or die "Failed to open /proc/$pid/maps: $!\n";
} else {
open F, '<', $pid
or die "Failed to open saved map file '$pid': $!\n";
}
if ($pid =~ /^[0-9]+$/) {
open $FH, '<', "/proc/$pid/maps"
or die "Failed to open /proc/$pid/maps: $!\n";
} else {
open $FH, '<', $pid
or die "Failed to open saved map file '$pid': $!\n";
}
my $arr= [];
while (<F>) {
next unless m/^([a-f0-9]+)-([a-f0-9]+) ..x. ([a-f0-9]+) [a-f0-9:]+ [0-9]+ +(.*)/;
push @$arr, { S => hex($1), E => hex($2), B => hex($3), F => $4 };
}
close F;
sort { $a->{S} <=> $b->{S} } @$arr;
$mmap= $arr;
my $arr= [];
while (<$FH>) {
next unless m/^([a-f0-9]+)-([a-f0-9]+) ..x. ([a-f0-9]+) [a-f0-9:]+ [0-9]+ +(.*)/;
push @$arr, { S => hex($1), E => hex($2), B => hex($3), F => $4 };
}
close $FH;
sort { $a->{S} <=> $b->{S} } @$arr;
$mmap= $arr;
}
my $syms= { };
sub get_image {
my ($addr)= @_;
my $e;
for $e (@$mmap) {
next if $e->{E} <= $addr;
last if $e->{S} > $addr;
# Found, look up.
my ($addr)= @_;
# Ensure addr is defined
die "Address is undefined" unless defined $addr;
# Check if the global memory map is defined and is an array reference
die "Global memory map is undefined or not an array reference"
unless defined $mmap and ref($mmap) eq 'ARRAY';
my $e;
for $e (@$mmap) {
next if $e->{E} <= $addr;
last if $e->{S} > $addr;
# Found, look up.
return $e->{F};
}
return "";
}
return "";
}
die "Usage: $0 <pid>" unless @ARGV == 1;
@@ -49,13 +58,9 @@ die "Usage: $0 <pid>" unless @ARGV == 1;
my $pid= $ARGV[0];
load_mapping($pid);
#for (@$mmap) {
# printf "0x%x - 0x%x (0x%x): %s\n", $_->{S}, $_->{E}, $_->{B}, $_->{F};
#}
open (STACK_TRACE, "eu-stack -q -p $pid 2>/dev/null|") or die "open(): $!";
my @lines= <STACK_TRACE>;
close(STACK_TRACE);
open (my $STACK_TRACE, "eu-stack -q -p $pid 2>/dev/null|") or die "open(): $!";
my @lines= <$STACK_TRACE>;
close($STACK_TRACE);
my $frame_no= 0;
my %addr=();
@@ -99,14 +104,14 @@ foreach my $bin (keys %inverse)
foreach $lwp (sort {$a<=>$b} keys %sf)
{
my $idx=0;
print "Thread $lwp (LWP $lwp):\n";
foreach $frame_no (@{$sf{$lwp}})
{
print join(" ","#".$idx, "0x".$frame_no,"in", $addr{$frame_no}->[1]),"\n";
$idx++;
}
print "\n";
my $idx=0;
print "Thread $lwp (LWP $lwp):\n";
foreach $frame_no (@{$sf{$lwp}})
{
print join(" ","#".$idx, "0x".$frame_no,"in", $addr{$frame_no}->[1]),"\n";
$idx++;
}
print "\n";
}