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read-test format directly for gnuplot

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This commit is contained in:
Robin Gareus 2015-01-28 14:35:17 +01:00
parent cf8e7bc135
commit 07e53fc2e7
2 changed files with 9 additions and 8 deletions
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11
tools/readtest.c
View file

@ -106,7 +106,7 @@ main (int argc, char* argv[])
} }
if (!quiet) { if (!quiet) {
printf ("Discovered %d files using %s\n", n, name_template); printf ("# Discovered %d files using %s\n", n, name_template);
} }
nfiles = n; nfiles = n;
@ -160,7 +160,7 @@ main (int argc, char* argv[])
double bandwidth = ((nfiles * block_size)/1048576.0) / (elapsed/1000000.0); double bandwidth = ((nfiles * block_size)/1048576.0) / (elapsed/1000000.0);
if (!quiet) { if (!quiet) {
printf ("BW @ %lu %.3f seconds bandwidth %.4f MB/sec\n", (long unsigned int)_read, elapsed/1000000.0, bandwidth); printf ("# BW @ %lu %.3f seconds bandwidth %.4f MB/sec\n", (long unsigned int)_read, elapsed/1000000.0, bandwidth);
} }
total_time += elapsed; total_time += elapsed;
@ -175,9 +175,10 @@ out:
if (max_elapsed > 0 && total_time > 0) { if (max_elapsed > 0 && total_time > 0) {
double bandwidth = ((nfiles * _read)/1048576.0) / (total_time/1000000.0); double bandwidth = ((nfiles * _read)/1048576.0) / (total_time/1000000.0);
double min_throughput = ((nfiles * block_size)/1048576.0) / (max_elapsed/1000000.0); double min_throughput = ((nfiles * block_size)/1048576.0) / (max_elapsed/1000000.0);
printf ("Min: %.4f MB/sec Avg: %.4f MB/sec || Max: %.3f sec \n", min_throughput, bandwidth, max_elapsed/1000000.0); printf ("# Min: %.4f MB/sec Avg: %.4f MB/sec || Max: %.3f sec \n", min_throughput, bandwidth, max_elapsed/1000000.0);
printf ("Max Track count: %d @ 48000SPS\n", (int) floor(1048576.0 * bandwidth / (4 * 48000.))); printf ("# Max Track count: %d @ 48000SPS\n", (int) floor(1048576.0 * bandwidth / (4 * 48000.)));
printf ("Sus Track count: %d @ 48000SPS\n", (int) floor(1048576.0 * min_throughput / (4 * 48000.))); printf ("# Sus Track count: %d @ 48000SPS\n", (int) floor(1048576.0 * min_throughput / (4 * 48000.)));
printf ("%d %.4f %.4f %.4f\n", block_size, min_throughput, bandwidth, max_elapsed/1000000.0);
} }
return 0; return 0;

6
tools/run-readtest.sh
View file

@ -27,7 +27,7 @@ done
if [ -d $dir -a -f $dir/testfile_1 ] ; then if [ -d $dir -a -f $dir/testfile_1 ] ; then
# dir exists and has a testfile within it - reuse to avoid # dir exists and has a testfile within it - reuse to avoid
# recreating files # recreating files
echo "Re-using files in $dir" echo "# Re-using files in $dir"
needfiles= needfiles=
else else
dir=$dir/readtest_$$ dir=$dir/readtest_$$
@ -40,7 +40,7 @@ else
fi fi
if [ x$needfiles != x ] ; then if [ x$needfiles != x ] ; then
echo "Building files for test..." echo "# Building files for test..."
if [ x$interleave = x ] ; then if [ x$interleave = x ] ; then
# #
@ -81,6 +81,6 @@ for bs in $@ ; do
: :
fi fi
echo "Blocksize $bs" echo "# Blocksize $bs"
./readtest $nocache -b $bs -q $dir/testfile_%d ./readtest $nocache -b $bs -q $dir/testfile_%d
done done