diff options
Diffstat (limited to 't/perf')
| -rwxr-xr-x | t/perf/aggregate.perl | 62 | ||||
| -rwxr-xr-x | t/perf/bisect_regression | 73 | ||||
| -rwxr-xr-x | t/perf/bisect_run_script | 47 | ||||
| -rwxr-xr-x | t/perf/run | 56 |
4 files changed, 192 insertions, 46 deletions
diff --git a/t/perf/aggregate.perl b/t/perf/aggregate.perl index 48637ef64b..bc865160e7 100755 --- a/t/perf/aggregate.perl +++ b/t/perf/aggregate.perl @@ -4,6 +4,7 @@ use lib '../../perl/build/lib'; use strict; use warnings; use JSON; +use Getopt::Long; use Git; sub get_times { @@ -36,46 +37,34 @@ sub format_times { return $out; } +sub usage { + print <<EOT; +./aggregate.perl [options] [--] [<dir_or_rev>...] [--] [<test_script>...] > + + Options: + --codespeed * Format output for Codespeed + --reponame <str> * Send given reponame to codespeed + --sort-by <str> * Sort output (only "regression" criteria is supported) + --subsection <str> * Use results from given subsection + +EOT + exit(1); +} + my (@dirs, %dirnames, %dirabbrevs, %prefixes, @tests, $codespeed, $sortby, $subsection, $reponame); + +Getopt::Long::Configure qw/ require_order /; + +my $rc = GetOptions("codespeed" => \$codespeed, + "reponame=s" => \$reponame, + "sort-by=s" => \$sortby, + "subsection=s" => \$subsection); +usage() unless $rc; + while (scalar @ARGV) { my $arg = $ARGV[0]; my $dir; - if ($arg eq "--codespeed") { - $codespeed = 1; - shift @ARGV; - next; - } - if ($arg =~ /--sort-by(?:=(.*))?/) { - shift @ARGV; - if (defined $1) { - $sortby = $1; - } else { - $sortby = shift @ARGV; - if (! defined $sortby) { - die "'--sort-by' requires an argument"; - } - } - next; - } - if ($arg eq "--subsection") { - shift @ARGV; - $subsection = $ARGV[0]; - shift @ARGV; - if (! $subsection) { - die "empty subsection"; - } - next; - } - if ($arg eq "--reponame") { - shift @ARGV; - $reponame = $ARGV[0]; - shift @ARGV; - if (! $reponame) { - die "empty reponame"; - } - next; - } last if -f $arg or $arg eq "--"; if (! -d $arg) { my $rev = Git::command_oneline(qw(rev-parse --verify), $arg); @@ -225,7 +214,8 @@ sub print_sorted_results { my ($sortby) = @_; if ($sortby ne "regression") { - die "only 'regression' is supported as '--sort-by' argument"; + print "Only 'regression' is supported as '--sort-by' argument\n"; + usage(); } my @evolutions; diff --git a/t/perf/bisect_regression b/t/perf/bisect_regression new file mode 100755 index 0000000000..a94d9955d0 --- /dev/null +++ b/t/perf/bisect_regression @@ -0,0 +1,73 @@ +#!/bin/sh + +# Read a line coming from `./aggregate.perl --sort-by regression ...` +# and automatically bisect to find the commit responsible for the +# performance regression. +# +# Lines from `./aggregate.perl --sort-by regression ...` look like: +# +# +100.0% p7821-grep-engines-fixed.1 0.04(0.10+0.03) 0.08(0.11+0.08) v2.14.3 v2.15.1 +# +33.3% p7820-grep-engines.1 0.03(0.08+0.02) 0.04(0.08+0.02) v2.14.3 v2.15.1 +# + +die () { + echo >&2 "error: $*" + exit 1 +} + +while [ $# -gt 0 ]; do + arg="$1" + case "$arg" in + --help) + echo "usage: $0 [--config file] [--subsection subsection]" + exit 0 + ;; + --config) + shift + GIT_PERF_CONFIG_FILE=$(cd "$(dirname "$1")"; pwd)/$(basename "$1") + export GIT_PERF_CONFIG_FILE + shift ;; + --subsection) + shift + GIT_PERF_SUBSECTION="$1" + export GIT_PERF_SUBSECTION + shift ;; + --*) + die "unrecognised option: '$arg'" ;; + *) + die "unknown argument '$arg'" + ;; + esac +done + +read -r regression subtest oldtime newtime oldrev newrev + +test_script=$(echo "$subtest" | sed -e 's/\(.*\)\.[0-9]*$/\1.sh/') +test_number=$(echo "$subtest" | sed -e 's/.*\.\([0-9]*\)$/\1/') + +# oldtime and newtime are decimal number, not integers + +oldtime=$(echo "$oldtime" | sed -e 's/^\([0-9]\+\.[0-9]\+\).*$/\1/') +newtime=$(echo "$newtime" | sed -e 's/^\([0-9]\+\.[0-9]\+\).*$/\1/') + +test $(echo "$newtime" "$oldtime" | awk '{ print ($1 > $2) }') = 1 || + die "New time '$newtime' shoud be greater than old time '$oldtime'" + +tmpdir=$(mktemp -d -t bisect_regression_XXXXXX) || die "Failed to create temp directory" +echo "$oldtime" >"$tmpdir/oldtime" || die "Failed to write to '$tmpdir/oldtime'" +echo "$newtime" >"$tmpdir/newtime" || die "Failed to write to '$tmpdir/newtime'" + +# Bisecting must be performed from the top level directory (even with --no-checkout) +( + toplevel_dir=$(git rev-parse --show-toplevel) || die "Failed to find top level directory" + cd "$toplevel_dir" || die "Failed to cd into top level directory '$toplevel_dir'" + + git bisect start --no-checkout "$newrev" "$oldrev" || die "Failed to start bisecting" + + git bisect run t/perf/bisect_run_script "$test_script" "$test_number" "$tmpdir" + res="$?" + + git bisect reset + + exit "$res" +) diff --git a/t/perf/bisect_run_script b/t/perf/bisect_run_script new file mode 100755 index 0000000000..038255df4b --- /dev/null +++ b/t/perf/bisect_run_script @@ -0,0 +1,47 @@ +#!/bin/sh + +script="$1" +test_number="$2" +info_dir="$3" + +# This aborts the bisection immediately +die () { + echo >&2 "error: $*" + exit 255 +} + +bisect_head=$(git rev-parse --verify BISECT_HEAD) || die "Failed to find BISECT_HEAD ref" + +script_number=$(echo "$script" | sed -e "s/^p\([0-9]*\).*\$/\1/") || die "Failed to get script number for '$script'" + +oldtime=$(cat "$info_dir/oldtime") || die "Failed to access '$info_dir/oldtime'" +newtime=$(cat "$info_dir/newtime") || die "Failed to access '$info_dir/newtime'" + +cd t/perf || die "Failed to cd into 't/perf'" + +result_file="$info_dir/perf_${script_number}_${bisect_head}_results.txt" + +GIT_PERF_DIRS_OR_REVS="$bisect_head" +export GIT_PERF_DIRS_OR_REVS + +./run "$script" >"$result_file" 2>&1 || die "Failed to run perf test '$script'" + +rtime=$(sed -n "s/^$script_number\.$test_number:.*\([0-9]\+\.[0-9]\+\)(.*).*\$/\1/p" "$result_file") + +echo "newtime: $newtime" +echo "rtime: $rtime" +echo "oldtime: $oldtime" + +# Compare ($newtime - $rtime) with ($rtime - $oldtime) +# Times are decimal number, not integers + +if test $(echo "$newtime" "$rtime" "$oldtime" | awk '{ print ($1 - $2 > $2 - $3) }') = 1 +then + # Current commit is considered "good/old" + echo "$rtime" >"$info_dir/oldtime" + exit 0 +else + # Current commit is considered "bad/new" + echo "$rtime" >"$info_dir/newtime" + exit 1 +fi diff --git a/t/perf/run b/t/perf/run index 213da5d6b9..9aaa733c77 100755 --- a/t/perf/run +++ b/t/perf/run @@ -1,21 +1,34 @@ #!/bin/sh -case "$1" in +die () { + echo >&2 "error: $*" + exit 1 +} + +while [ $# -gt 0 ]; do + arg="$1" + case "$arg" in + --) + break ;; --help) - echo "usage: $0 [--config file] [other_git_tree...] [--] [test_scripts]" - exit 0 - ;; + echo "usage: $0 [--config file] [--subsection subsec] [other_git_tree...] [--] [test_scripts]" + exit 0 ;; --config) shift GIT_PERF_CONFIG_FILE=$(cd "$(dirname "$1")"; pwd)/$(basename "$1") export GIT_PERF_CONFIG_FILE shift ;; -esac - -die () { - echo >&2 "error: $*" - exit 1 -} + --subsection) + shift + GIT_PERF_SUBSECTION="$1" + export GIT_PERF_SUBSECTION + shift ;; + --*) + die "unrecognised option: '$arg'" ;; + *) + break ;; + esac +done run_one_dir () { if test $# -eq 0; then @@ -172,9 +185,32 @@ get_subsections "perf" >test-results/run_subsections.names if test $(wc -l <test-results/run_subsections.names) -eq 0 then + if test -n "$GIT_PERF_SUBSECTION" + then + if test -n "$GIT_PERF_CONFIG_FILE" + then + die "no subsections are defined in config file '$GIT_PERF_CONFIG_FILE'" + else + die "subsection '$GIT_PERF_SUBSECTION' defined without a config file" + fi + fi ( run_subsection "$@" ) +elif test -n "$GIT_PERF_SUBSECTION" +then + egrep "^$GIT_PERF_SUBSECTION\$" test-results/run_subsections.names >/dev/null || + die "subsection '$GIT_PERF_SUBSECTION' not found in '$GIT_PERF_CONFIG_FILE'" + + egrep "^$GIT_PERF_SUBSECTION\$" test-results/run_subsections.names | while read -r subsec + do + ( + GIT_PERF_SUBSECTION="$subsec" + export GIT_PERF_SUBSECTION + echo "======== Run for subsection '$GIT_PERF_SUBSECTION' ========" + run_subsection "$@" + ) + done else while read -r subsec do |