diff options
Diffstat (limited to 'ghc/utils/stat2resid/parse-gcstats.prl')
| -rw-r--r-- | ghc/utils/stat2resid/parse-gcstats.prl | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/ghc/utils/stat2resid/parse-gcstats.prl b/ghc/utils/stat2resid/parse-gcstats.prl new file mode 100644 index 0000000000..b6e80fd9e6 --- /dev/null +++ b/ghc/utils/stat2resid/parse-gcstats.prl @@ -0,0 +1,230 @@ +#!/local/sun4/bin/perl +# +# Subroutines to parses a ghc Garbage Collection stats file +# +#%gcstats = &parse_stats($ARGV[0]); +#&print_stats(">-", %gcstats); +#exit 0; + +sub to_num { + local ($text) = @_; + return($1 * 1000000000 + $2 * 1000000 + $3 * 1000 + $4) + if ( $text =~ /^(\d*),(\d*),(\d*),(\d*)$/ ); + return($1 * 1000000 + $2 * 1000 + $3) + if ( $text =~ /^(\d*),(\d*),(\d*)$/ ); + return($1 * 1000 + $2) + if ( $text =~ /^(\d*),(\d*)$/ ); + return($1) + if ( $text =~ /^(\d*)$/ ); + die "Error converting $text\n"; +} + +sub from_num { + local ($num) = @_; + local ($b, $m, $t, $o) = (int($num/1000000000), int($num/1000000)%1000, + int($num/1000)%1000, $num%1000); + return(sprintf("%d,%03d,%03d,%03d", $b, $m, $t, $o)) if $b > 0; + return(sprintf("%d,%03d,%03d", $m, $t, $o)) if $m > 0; + return(sprintf("%d,%03d", $t, $o)) if $t > 0; + return(sprintf("%d", $o)) if $o > 0; +} + +sub parse_stats { + local($filename) = @_; + local($tot_alloc, $tot_gc_user, $tot_mut_user, $tot_user, + $tot_gc_elap, $tot_mut_elap, $tot_elap); + local($statsfile, $line, $row, $col, $val); + local(@stats, @hdr1, @hdr2, @line_vals); + local(%the_stats); + + open($statsfile, $filename) || die "Cant open $filename \n"; + @stats = <$statsfile>; + + do {$line = shift(@stats);} until ($line !~ /^$/); + chop($line); + ($the_stats{"command"}, $the_stats{"args"}) = split(' ', $line, 2); + + do {$line = shift(@stats);} until ($line !~ /^$/); + $line =~ /Collector:\s*([A-Z]+)\s*HeapSize:\s*([\d,]+)/; + $the_stats{"collector"} = $1; + $the_stats{"heapsize"} = &to_num($2); + + do {$line = shift(@stats);} until ($line !~ /^$/); + chop($line); + @hdr1 = split(' ', $line); + $line = shift(@stats); + chop($line); + @hdr2 = split(' ', $line); + + $row = 0; + $tot_alloc = 0; + $tot_gc_user = 0; + $tot_gc_elap = 0; + $tot_mut_user = 0; + $tot_mut_elap = 0; + $tot_user = 0; + $tot_elap = 0; + + while (($line = shift(@stats)) !~ /^\s*\d+\s*$/) { + chop($line); + @line_vals = split(' ', $line); + + $col = -1; + word: + while(++$col <= $#line_vals) { + + $val = $line_vals[$col]; + $_ = @hdr1[$col] . @hdr2[$col]; + + /^Allocbytes$/ && do { $tot_alloc += $val; + $the_stats{"alloc_$row"} = $val; + next word; }; + + /^Collectbytes$/ && do { $the_stats{"collect_$row"} = $val; + next word; }; + + /^Livebytes$/ && do { $the_stats{"live_$row"} = $val; + next word; }; + + /^Residency$/ && do { next word; }; + + /^GCuser$/ && do { $tot_gc_user += $val; + $the_stats{"gc_user_$row"} = $val; + next word; }; + + /^GCelap$/ && do { $tot_gc_elap += $val; + $the_stats{"gc_elap_$row"} = $val; + next word; }; + + /^TOTuser$/ && do { $the_stats{"mut_user_$row"} = + $val - $tot_user - $the_stats{"gc_user_$row"}; + $tot_mut_user += $the_stats{"mut_user_$row"}; + $tot_user = $val; + next word; }; + + /^TOTelap$/ && do { $the_stats{"mut_elap_$row"} = + $val - $tot_elap - $the_stats{"gc_elap_$row"}; + $tot_mut_elap += $the_stats{"mut_elap_$row"}; + $tot_elap = $val; + next word; }; + + /^PageGC$/ && do { $the_stats{"gc_pflts_$row"} = $val; + next word; }; + + /^FltsMUT$/ && do { $the_stats{"mut_pflts_$row"} = $val; + next word; }; + + /^Collection/ && do { $the_stats{"mode_$row"} = $val; + next word; }; + + /^Astkbytes$/ && do {next word; }; + /^Bstkbytes$/ && do {next word; }; + /^CafNo$/ && do {next word; }; + /^Cafbytes$/ && do {next word; }; + + /^NoAstk$/ && do {next word; }; + /^ofBstk$/ && do {next word; }; + /^RootsReg$/ && do {next word; }; + /^OldGen$/ && do {next word; }; + /^RootsCaf$/ && do {next word; }; + /^Sizebytes$/ && do {next word; }; + /^Resid\%heap$/ && do {next word; }; + + /^$/ && do {next word; }; + + print STDERR "Unknown: $_ = $val\n"; + }; + + $row++; + }; + $tot_alloc += $line; + $the_stats{"alloc_$row"} = $line; + +arg: while($_ = $stats[0]) { + shift(@stats); + + /^\s*([\d,]+) bytes alloc/ && do { local($a) = &to_num($1); + $a == $tot_alloc || die "Total $a != $tot_alloc \n"; + $the_stats{"alloc_total"} = $tot_alloc; + next arg; }; + + /^\s*([\d]+) garbage/ && do { $1 == $row || die "GCNo $1 != $row \n"; + $the_stats{"gc_no"} = $row; + next arg; }; + + /Total time\s+([\d\.]+)s\s+\(\s*([\d.]+)s elapsed\)/ && do { + $the_stats{"user_total"} = $1; + $the_stats{"elap_total"} = $2; + $the_stats{"mut_user_total"} = $1 - $tot_gc_user; + $the_stats{"mut_elap_total"} = $2 - $tot_gc_elap; + $the_stats{"mut_user_$row"} = $1 - $tot_gc_user - $tot_mut_user; + $the_stats{"mut_elap_$row"} = $2 - $tot_gc_elap - $tot_mut_elap; + next arg; }; + + /GC time\s+([\d\.]+)s\s+\(\s*([\d.]+)s elapsed\)/ && do { + # $1 == $tot_gc_user || die "GCuser $1 != $tot_gc_user \n"; + # $2 == $tot_gc_elap || die "GCelap $2 != $tot_gc_elap \n"; + $the_stats{"gc_user_total"} = $tot_gc_user; + $the_stats{"gc_elap_total"} = $tot_gc_elap; + next arg; }; + + /MUT time/ && do { next arg; }; + + /\%GC time/ && do { next arg; }; + /Alloc rate/ && do { next arg; }; + /Productivity/ && do { next arg; }; + /^$/ && do { next arg; }; + /^\#/ && do { next arg; }; # Allows comments to follow + + print STDERR "Unmatched line: $_"; + } + + close($statsfile); + %the_stats; +} + +sub print_stats { + local ($filename, %out_stats) = @_; + local($statsfile, $row); + + open($statsfile, $filename) || die "Cant open $filename \n"; + select($statsfile); + + print $out_stats{"command"}, " ", $out_stats{"args"}, "\n\n"; + print "Collector: ", $out_stats{"collector"}, " HeapSize: ", &from_num($out_stats{"heapsize"}), " (bytes)\n\n"; + + $row = 0; + while ($row < $out_stats{"gc_no"}) { + printf "%7d %7d %7d %5.2f %5.2f %5.2f %5.2f %4d %4d %s\n", + $out_stats{"alloc_$row"}, + $out_stats{"collect_$row"}, + $out_stats{"live_$row"}, + $out_stats{"gc_user_$row"}, + $out_stats{"gc_elap_$row"}, + $out_stats{"mut_user_$row"}, + $out_stats{"mut_elap_$row"}, + $out_stats{"gc_pflts_$row"}, + $out_stats{"mut_pflts_$row"}, + $out_stats{"mode_$row"}; + $row++; + }; + printf "%7d %s %5.2f %5.2f \n\n", + $out_stats{"alloc_$row"}, " " x 27, + $out_stats{"mut_user_$row"}, + $out_stats{"mut_elap_$row"}; + + printf "Total Alloc: %s\n", &from_num($out_stats{"alloc_total"}); + printf " GC No: %d\n\n", $out_stats{"gc_no"}; + + printf " MUT User: %6.2fs\n", $out_stats{"mut_user_total"}; + printf " GC User: %6.2fs\n", $out_stats{"gc_user_total"}; + printf "Total User: %6.2fs\n\n", $out_stats{"user_total"}; + + printf " MUT Elap: %6.2fs\n", $out_stats{"mut_elap_total"}; + printf " GC Elap: %6.2fs\n", $out_stats{"gc_elap_total"}; + printf "Total Elap: %6.2fs\n", $out_stats{"elap_total"}; + + close($statsfile); +} + +1; |