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Revert "issue-654: [pprof] handle split text segments" 

This reverts commit 8c3dc52fcf.

People have reported issues with this so lets stay safe and use older
even if less powerful code.
This commit is contained in:
Aliaksey Kandratsenka 2017-07-01 18:48:58 -07:00
parent a495969cb6
commit 6eca6c64fa
1 changed files with 0 additions and 14 deletions
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src/pprof
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@ -4511,7 +4511,6 @@ sub ParseLibraries {
my $zero_offset = HexExtend("0"); my $zero_offset = HexExtend("0");
my $buildvar = ""; my $buildvar = "";
my $priorlib = "";
foreach my $l (split("\n", $map)) { foreach my $l (split("\n", $map)) {
if ($l =~ m/^\s*build=(.*)$/) { if ($l =~ m/^\s*build=(.*)$/) {
$buildvar = $1; $buildvar = $1;
@ -4568,20 +4567,7 @@ sub ParseLibraries {
} }
} }
# If we find multiple executable segments for a single library, merge them
# into a single entry that spans the complete address range.
if ($lib eq $priorlib) {
my $prior = pop(@{$result});
if ($start gt @$prior[1]) {
$start = @$prior[1];
} else {
$finish = @$prior[2];
}
# TODO $offset may be wrong if .text is not in the final segment.
}
push(@{$result}, [$lib, $start, $finish, $offset]); push(@{$result}, [$lib, $start, $finish, $offset]);
$priorlib = $lib;
} }
# Append special entry for additional library (not relocated) # Append special entry for additional library (not relocated)