Add scripts to analyze coverage for a single teuthology run.

diff --git a/coverage/cov-analyze.sh b/coverage/cov-analyze.sh
new file mode 100755 (executable)
index 0000000..9b309e2
--- /dev/null
+++ b/coverage/cov-analyze.sh
@@ -0,0 +1,51 @@
+#!/bin/bash
+set -e
+
+usage () {
+       printf '%s: usage: %s -d WORKING_DIR -o OUT_BASENAME -t TEST_DIR\n' "$(basename "$0")" "$(basename "$0")" 1>&2
+       echo <<EOF
+WORKING_DIR should contain the source, .gcno, and initial lcov files (as created by cov-init.sh)
+TEST_DIR should contain the data archived from a teuthology test.
+
+Example:
+    mkdir coverage
+    ./cov-init.sh ~/teuthology_output/foo coverage
+    $0 -t ~/teuthology_output/foo -d coverage -o foo
+EOF
+       exit 1
+}
+
+OUTPUT_BASENAME=
+TEST_DIR=
+COV_DIR=
+
+while getopts  "d:o:t:" flag
+do
+       case $flag in
+               d) COV_DIR=$OPTARG;;
+               o) OUTPUT_BASENAME=$OPTARG;;
+               t) TEST_DIR=$OPTARG;;
+               *) usage;;
+       esac
+done
+
+shift $(($OPTIND - 1))
+
+echo $OUTPUT_BASENAME
+if [ -z "$OUTPUT_BASENAME" ] || [ -z "$TEST_DIR" ] || [ -z "$COV_DIR" ]; then
+       usage
+fi
+
+cp $COV_DIR/base.lcov "$COV_DIR/${OUTPUT_BASENAME}.lcov"
+
+for remote in `ls $TEST_DIR/remote`; do
+       echo "processing coverage for $remote..."
+       cp $TEST_DIR/remote/$remote/coverage/*.gcda $COV_DIR/ceph/src
+       cp $TEST_DIR/remote/$remote/coverage/_libs/*.gcda $COV_DIR/ceph/src/.libs
+       lcov -d $COV_DIR/ceph/src -c -o "$COV_DIR/${remote}_full.lcov"
+       lcov -r "$COV_DIR/${remote}_full.lcov" /usr/include\* -o "$COV_DIR/${remote}.lcov"
+       lcov -a "$COV_DIR/${remote}.lcov" -a "$COV_DIR/${OUTPUT_BASENAME}.lcov" -o "$COV_DIR/${OUTPUT_BASENAME}_tmp.lcov"
+       mv "$COV_DIR/${OUTPUT_BASENAME}_tmp.lcov" "$COV_DIR/${OUTPUT_BASENAME}.lcov"
+       rm "$COV_DIR/${remote}_full.lcov"
+       find $COV_DIR/ceph/src -name '*.gcda' -type f -delete
+done

diff --git a/coverage/cov-init.sh b/coverage/cov-init.sh
new file mode 100755 (executable)
index 0000000..5be6706
--- /dev/null
+++ b/coverage/cov-init.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e
+
+usage () {
+       printf '%s: usage: %s TEST_DIR OUTPUT_DIR\n' "$(basename "$0")" "$(basename "$0")" 1>&2
+       exit 1
+}
+
+TEST_DIR=$1
+OUTPUT_DIR=$2
+
+if [ -z "$TEST_DIR" ] || [ -z "$OUTPUT_DIR" ]; then
+       usage
+fi
+
+SHA1=`cat $TEST_DIR/ceph-sha1`
+
+mkdir -p $OUTPUT_DIR/ceph
+
+echo "Retrieving source and .gcno files..."
+git archive --format tar --remote git://ceph.newdream.net/git/ceph.git $SHA1 | tar xf - -C $OUTPUT_DIR/ceph
+wget "http://gitbuilder-gcov-amd64.ceph.newdream.net/output/sha1/$SHA1/ceph.x86_64.tgz" -P $OUTPUT_DIR
+tar zxf $OUTPUT_DIR/ceph.x86_64.tgz -C $OUTPUT_DIR
+cp $OUTPUT_DIR/usr/local/lib/ceph/coverage/*.gcno $OUTPUT_DIR/ceph/src
+mkdir $OUTPUT_DIR/ceph/src/.libs
+cp $OUTPUT_DIR/usr/local/lib/ceph/coverage/.libs/*.gcno $OUTPUT_DIR/ceph/src/.libs
+rm -rf $OUTPUT_DIR/usr
+rm $OUTPUT_DIR/ceph.x86_64.tgz
+
+echo "Initializing lcov files..."
+lcov -d $OUTPUT_DIR/ceph/src -z
+lcov -d $OUTPUT_DIR/ceph/src -c -i -o $OUTPUT_DIR/base_full.lcov
+lcov -r $OUTPUT_DIR/base_full.lcov /usr/include\* -o $OUTPUT_DIR/base.lcov
+rm $OUTPUT_DIR/base_full.lcov
+echo "Done."