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-rw-r--r--t/perf/README2
-rwxr-xr-xt/perf/aggregate.perl38
-rwxr-xr-xt/perf/bisect_regression2
-rwxr-xr-xt/perf/p5303-many-packs.sh19
-rwxr-xr-xt/perf/p5310-pack-bitmaps.sh26
-rwxr-xr-xt/perf/p5601-clone-reference.sh27
-rw-r--r--t/perf/perf-lib.sh22
-rwxr-xr-xt/perf/run43
8 files changed, 134 insertions, 45 deletions
diff --git a/t/perf/README b/t/perf/README
index be12090c38..c7b70e2d28 100644
--- a/t/perf/README
+++ b/t/perf/README
@@ -45,7 +45,7 @@ call the aggregation script to summarize the results:
$ ./p0001-rev-list.sh
[...]
- $ GIT_BUILD_DIR=/path/to/other/git ./p0001-rev-list.sh
+ $ ./run /path/to/other/git -- ./p0001-rev-list.sh
[...]
$ ./aggregate.perl . /path/to/other/git ./p0001-rev-list.sh
diff --git a/t/perf/aggregate.perl b/t/perf/aggregate.perl
index 76dd48f890..14e4cda287 100755
--- a/t/perf/aggregate.perl
+++ b/t/perf/aggregate.perl
@@ -4,7 +4,7 @@ use lib '../../perl/build/lib';
use strict;
use warnings;
use Getopt::Long;
-use Git;
+use Cwd qw(realpath);
sub get_times {
my $name = shift;
@@ -84,6 +84,11 @@ sub format_size {
return $out;
}
+sub sane_backticks {
+ open(my $fh, '-|', @_);
+ return <$fh>;
+}
+
my (@dirs, %dirnames, %dirabbrevs, %prefixes, @tests,
$codespeed, $sortby, $subsection, $reponame);
@@ -98,18 +103,22 @@ usage() unless $rc;
while (scalar @ARGV) {
my $arg = $ARGV[0];
my $dir;
+ my $prefix = '';
last if -f $arg or $arg eq "--";
if (! -d $arg) {
- my $rev = Git::command_oneline(qw(rev-parse --verify), $arg);
+ my $rev = sane_backticks(qw(git rev-parse --verify), $arg);
+ chomp $rev;
$dir = "build/".$rev;
+ } elsif ($arg eq '.') {
+ $dir = '.';
} else {
- $arg =~ s{/*$}{};
- $dir = $arg;
- $dirabbrevs{$dir} = $dir;
+ $dir = realpath($arg);
+ $dirnames{$dir} = $dir;
+ $prefix .= 'bindir';
}
push @dirs, $dir;
- $dirnames{$dir} = $arg;
- my $prefix = $dir;
+ $dirnames{$dir} ||= $arg;
+ $prefix .= $dir;
$prefix =~ tr/^a-zA-Z0-9/_/c;
$prefixes{$dir} = $prefix . '.';
shift @ARGV;
@@ -215,13 +224,7 @@ sub print_default_results {
for my $i (0..$#dirs) {
my $d = $dirs[$i];
my $base = "$resultsdir/$prefixes{$d}$t";
- $times{$prefixes{$d}.$t} = [];
- foreach my $type (qw(times size)) {
- if (-e "$base.$type") {
- $times{$prefixes{$d}.$t} = [get_times("$base.$type")];
- last;
- }
- }
+ $times{$prefixes{$d}.$t} = [get_times("$base.result")];
my ($r,$u,$s) = @{$times{$prefixes{$d}.$t}};
my $w = length format_times($r,$u,$s,$firstr);
$colwidth[$i] = $w if $w > $colwidth[$i];
@@ -263,7 +266,7 @@ sub print_sorted_results {
my ($prevr, $prevu, $prevs, $prevrev);
for my $i (0..$#dirs) {
my $d = $dirs[$i];
- my ($r, $u, $s) = get_times("$resultsdir/$prefixes{$d}$t.times");
+ my ($r, $u, $s) = get_times("$resultsdir/$prefixes{$d}$t.result");
if ($i > 0 and defined $r and defined $prevr and $prevr > 0) {
my $percent = 100.0 * ($r - $prevr) / $prevr;
push @evolutions, { "percent" => $percent,
@@ -311,9 +314,6 @@ sub print_codespeed_results {
$environment = $reponame;
} elsif (exists $ENV{GIT_PERF_REPO_NAME} and $ENV{GIT_PERF_REPO_NAME} ne "") {
$environment = $ENV{GIT_PERF_REPO_NAME};
- } elsif (exists $ENV{GIT_TEST_INSTALLED} and $ENV{GIT_TEST_INSTALLED} ne "") {
- $environment = $ENV{GIT_TEST_INSTALLED};
- $environment =~ s|/bin-wrappers$||;
} else {
$environment = `uname -r`;
chomp $environment;
@@ -326,7 +326,7 @@ sub print_codespeed_results {
my $commitid = $prefixes{$d};
$commitid =~ s/^build_//;
$commitid =~ s/\.$//;
- my ($result_value, $u, $s) = get_times("$resultsdir/$prefixes{$d}$t.times");
+ my ($result_value, $u, $s) = get_times("$resultsdir/$prefixes{$d}$t.result");
my %vals = (
"commitid" => $commitid,
diff --git a/t/perf/bisect_regression b/t/perf/bisect_regression
index a94d9955d0..ce47e1662a 100755
--- a/t/perf/bisect_regression
+++ b/t/perf/bisect_regression
@@ -51,7 +51,7 @@ oldtime=$(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 '$oldtime'"
+ die "New time '$newtime' should 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 '$tmpdir/oldtime'"
diff --git a/t/perf/p5303-many-packs.sh b/t/perf/p5303-many-packs.sh
index 3779851941..7ee791669a 100755
--- a/t/perf/p5303-many-packs.sh
+++ b/t/perf/p5303-many-packs.sh
@@ -77,6 +77,7 @@ do
# actual pack generation, without smudging the on-disk setup
# between trials.
test_perf "repack ($nr_packs)" '
+ GIT_TEST_FULL_IN_PACK_ARRAY=1 \
git pack-objects --keep-true-parents \
--honor-pack-keep --non-empty --all \
--reflog --indexed-objects --delta-base-offset \
@@ -84,4 +85,22 @@ do
'
done
+# Measure pack loading with 10,000 packs.
+test_expect_success 'generate lots of packs' '
+ for i in $(test_seq 10000); do
+ echo "blob"
+ echo "data <<EOF"
+ echo "blob $i"
+ echo "EOF"
+ echo "checkpoint"
+ done |
+ git -c fastimport.unpackLimit=0 fast-import
+'
+
+# The purpose of this test is to evaluate load time for a large number
+# of packs while doing as little other work as possible.
+test_perf "load 10,000 packs" '
+ git rev-parse --verify "HEAD^{commit}"
+'
+
test_done
diff --git a/t/perf/p5310-pack-bitmaps.sh b/t/perf/p5310-pack-bitmaps.sh
index 6a3a42531b..80c53edca7 100755
--- a/t/perf/p5310-pack-bitmaps.sh
+++ b/t/perf/p5310-pack-bitmaps.sh
@@ -31,14 +31,32 @@ test_perf 'simulated fetch' '
} | git pack-objects --revs --stdout >/dev/null
'
-test_perf 'pack to file' '
- git pack-objects --all pack1 </dev/null >/dev/null
-'
-
test_perf 'pack to file (bitmap)' '
git pack-objects --use-bitmap-index --all pack1b </dev/null >/dev/null
'
+test_perf 'rev-list (commits)' '
+ git rev-list --all --use-bitmap-index >/dev/null
+'
+
+test_perf 'rev-list (objects)' '
+ git rev-list --all --use-bitmap-index --objects >/dev/null
+'
+
+test_perf 'rev-list count with blob:none' '
+ git rev-list --use-bitmap-index --count --objects --all \
+ --filter=blob:none >/dev/null
+'
+
+test_perf 'rev-list count with blob:limit=1k' '
+ git rev-list --use-bitmap-index --count --objects --all \
+ --filter=blob:limit=1k >/dev/null
+'
+
+test_perf 'simulated partial clone' '
+ git pack-objects --stdout --all --filter=blob:none </dev/null >/dev/null
+'
+
test_expect_success 'create partial bitmap state' '
# pick a commit to represent the repo tip in the past
cutoff=$(git rev-list HEAD~100 -1) &&
diff --git a/t/perf/p5601-clone-reference.sh b/t/perf/p5601-clone-reference.sh
new file mode 100755
index 0000000000..68fed66347
--- /dev/null
+++ b/t/perf/p5601-clone-reference.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+test_description='speed of clone --reference'
+. ./perf-lib.sh
+
+test_perf_default_repo
+
+test_expect_success 'create shareable repository' '
+ git clone --bare . shared.git
+'
+
+test_expect_success 'advance base repository' '
+ # Do not use test_commit here; its test_tick will
+ # use some ancient hard-coded date. The resulting clock
+ # skew will cause pack-objects to traverse in a very
+ # sub-optimal order, skewing the results.
+ echo content >new-file-that-does-not-exist &&
+ git add new-file-that-does-not-exist &&
+ git commit -m "new commit"
+'
+
+test_perf 'clone --reference' '
+ rm -rf dst.git &&
+ git clone --no-local --bare --reference shared.git . dst.git
+'
+
+test_done
diff --git a/t/perf/perf-lib.sh b/t/perf/perf-lib.sh
index 169f92eae3..13e389367a 100644
--- a/t/perf/perf-lib.sh
+++ b/t/perf/perf-lib.sh
@@ -21,19 +21,21 @@
# because it will change our working directory.
TEST_DIRECTORY=$(pwd)/..
TEST_OUTPUT_DIRECTORY=$(pwd)
-ABSOLUTE_GIT_TEST_INSTALLED=$(
- test -n "$GIT_TEST_INSTALLED" && cd "$GIT_TEST_INSTALLED" && pwd)
TEST_NO_CREATE_REPO=t
TEST_NO_MALLOC_CHECK=t
. ../test-lib.sh
-if test -z "$GIT_TEST_INSTALLED"; then
- perf_results_prefix=
-else
- perf_results_prefix=$(printf "%s" "${GIT_TEST_INSTALLED%/bin-wrappers}" | tr -c "[a-zA-Z0-9]" "[_*]")"."
- GIT_TEST_INSTALLED=$ABSOLUTE_GIT_TEST_INSTALLED
+if test -n "$GIT_TEST_INSTALLED" -a -z "$PERF_SET_GIT_TEST_INSTALLED"
+then
+ error "Do not use GIT_TEST_INSTALLED with the perf tests.
+
+Instead use:
+
+ ./run <path-to-git> -- <tests>
+
+See t/perf/README for details."
fi
# Variables from test-lib that are normally internal to the tests; we
@@ -179,7 +181,7 @@ test_wrapper_ () {
base=$(basename "$0" .sh)
echo "$test_count" >>"$perf_results_dir"/$base.subtests
echo "$1" >"$perf_results_dir"/$base.$test_count.descr
- base="$perf_results_dir"/"$perf_results_prefix$(basename "$0" .sh)"."$test_count"
+ base="$perf_results_dir"/"$PERF_RESULTS_PREFIX$(basename "$0" .sh)"."$test_count"
"$test_wrapper_func_" "$@"
fi
@@ -212,7 +214,7 @@ test_perf_ () {
else
test_ok_ "$1"
fi
- "$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".times
+ "$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".result
}
test_perf () {
@@ -221,7 +223,7 @@ test_perf () {
test_size_ () {
say >&3 "running: $2"
- if test_eval_ "$2" 3>"$base".size; then
+ if test_eval_ "$2" 3>"$base".result; then
test_ok_ "$1"
else
test_failure_ "$@"
diff --git a/t/perf/run b/t/perf/run
index 9aaa733c77..c7b86104e1 100755
--- a/t/perf/run
+++ b/t/perf/run
@@ -70,6 +70,24 @@ build_git_rev () {
) || die "failed to build revision '$mydir'"
}
+set_git_test_installed () {
+ mydir=$1
+
+ mydir_abs=$(cd $mydir && pwd)
+ mydir_abs_wrappers="$mydir_abs_wrappers/bin-wrappers"
+ if test -d "$mydir_abs_wrappers"
+ then
+ GIT_TEST_INSTALLED=$mydir_abs_wrappers
+ else
+ # Older versions of git lacked bin-wrappers;
+ # fallback to the files in the root.
+ GIT_TEST_INSTALLED=$mydir_abs
+ fi
+ export GIT_TEST_INSTALLED
+ PERF_SET_GIT_TEST_INSTALLED=true
+ export PERF_SET_GIT_TEST_INSTALLED
+}
+
run_dirs_helper () {
mydir=${1%/}
shift
@@ -79,7 +97,16 @@ run_dirs_helper () {
if test $# -gt 0 -a "$1" = --; then
shift
fi
- if [ ! -d "$mydir" ]; then
+
+ PERF_RESULTS_PREFIX=
+ if test "$mydir" = "."
+ then
+ unset GIT_TEST_INSTALLED
+ elif test -d "$mydir"
+ then
+ PERF_RESULTS_PREFIX=bindir$(cd $mydir && printf "%s" "$(pwd)" | tr -c "[a-zA-Z0-9]" "_").
+ set_git_test_installed "$mydir"
+ else
rev=$(git rev-parse --verify "$mydir" 2>/dev/null) ||
die "'$mydir' is neither a directory nor a valid revision"
if [ ! -d build/$rev ]; then
@@ -87,16 +114,12 @@ run_dirs_helper () {
fi
build_git_rev $rev "$mydir"
mydir=build/$rev
+
+ PERF_RESULTS_PREFIX=build_$rev.
+ set_git_test_installed "$mydir"
fi
- if test "$mydir" = .; then
- unset GIT_TEST_INSTALLED
- else
- GIT_TEST_INSTALLED="$mydir/bin-wrappers"
- # Older versions of git lacked bin-wrappers; fallback to the
- # files in the root.
- test -d "$GIT_TEST_INSTALLED" || GIT_TEST_INSTALLED=$mydir
- export GIT_TEST_INSTALLED
- fi
+ export PERF_RESULTS_PREFIX
+
run_one_dir "$@"
}