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89fbe00dec
* commit '54957d37f5aa73912763dbb6e308555e863c43f4': Commit copyright header change for src/H5PLpkg.c which was added after running script to make changes. Add new files in release_docs to MANIFEST. Cimmit changes to Makefile.in(s) and H5PL.c that resulted from running autogen.sh. Merge pull request #407 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10_1 to hdf5_1_10_1 Change copyright headers to replace url referring to file to be removed and replace it with new url for COPYING file.
98 lines
2.8 KiB
Perl
Executable File
98 lines
2.8 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright by The HDF Group.
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# Copyright by the Board of Trustees of the University of Illinois.
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# All rights reserved.
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#
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# This file is part of HDF5. The full HDF5 copyright notice, including
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# terms governing use, modification, and redistribution, is contained in
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# the COPYING file, which can be found at the root of the source code
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# distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.
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# If you do not have access to either file, you may request a copy from
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# help@hdfgroup.org.
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#
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# Usage: pipe the output of Linux's `strace' program into the stdin of
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# this command, and the output of this command into gnuplot.
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my ($fast,$npasses);
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if ($ARGV[0] =~ /^--?fast$/) {
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$fast = 1;
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shift;
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}
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my $filename = shift || "tstab2.h5";
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my $total = 0;
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my %What; # What{pos}{nbytes}{r|w} = naccesses
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my($total_writes, $total_bytes_out, $total_reads, $total_bytes_in);
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while (<>) {
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if (!defined $fd) {
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if (/^open\("(.*?)".*=\s+(\d+)/ && $1 eq $filename) {
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$fd = $2;
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$pos = 0;
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}
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} elsif (/^close\((\d+)/ && $1==$fd) {
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$fd = undef;
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} elsif (!$fast &&
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/^lseek\((\d+), -?\d+,.*= (\d+)/ &&
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$1==$fd && $2>=0) {
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$pos = $2;
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} elsif (!$fast && /^lseek\((\d+),/ && $1==$fd) {
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die $_;
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} elsif (/^write\((\d+), ".*?"(\.\.\.)?, \d+\)\s*= (\d+)/ &&
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$1==$fd && $3>=0) {
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my $nbytes = $3;
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if ($fast) {
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$total_writes++;
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$total_bytes_out += $nbytes;
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} else {
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$What{$pos}{$nbytes}{w}++;
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printf "%d %d\n", $total, $pos;
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$pos += $nbytes;
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$total += $nbytes;
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}
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} elsif (/^write\((\d+),/ && $1==$fd) {
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die $_;
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} elsif (/^read\((\d+), ".*?"(\.\.\.)?, \d+\)\s*= (\d+)/ &&
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$1==$fd && $3>=0) {
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my $nbytes = $3;
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if ($fast) {
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$total_reads++;
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$total_bytes_in += $nbytes;
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} else {
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$What{$pos}{$nbytes}{r}++;
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printf "%d %d\n", $total, $pos;
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$pos += $nbytes;
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$total += $nbytes;
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}
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} elsif (/^read\((\d+),/ && $1==$fd) {
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die $_;
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}
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}
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if (!$fast) {
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print "="x36, "\n";
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printf "%8s %8s %8s %8s\n","Position","NBytes","NReads","NWrites";
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for $pos (sort {$a<=>$b} keys %What) {
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for $nbytes (sort {$a<=>$b} keys %{$What{$pos}}) {
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printf("%8d %8d %8d %8d\n", $pos, $nbytes,
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$What{$pos}{$nbytes}{r},
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$What{$pos}{$nbytes}{w});
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$total_writes += $What{$pos}{$nbytes}{w};
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$total_reads += $What{$pos}{$nbytes}{r};
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$total_bytes_out += $What{$pos}{$nbytes}{w} * $nbytes;
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$total_bytes_in += $What{$pos}{$nbytes}{r} * $nbytes;
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}
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}
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}
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print "="x36, "\n";
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printf("Write: %8d calls, %10d total bytes, %10g average bytes\n",
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$total_writes, $total_bytes_out, $total_bytes_out/$total_writes)
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if $total_writes;
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printf("Read: %8d calls, %10d total bytes, %10g average bytes\n",
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$total_reads, $total_bytes_in, $total_bytes_in/$total_reads)
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if $total_reads;
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