Added support for conditionaly excluding sweep ponits with negative slack (UNTESTED).

sweep.bash

@@ -63,7 +63,7 @@ MAX_CONCURRENCY=12
 WAIT_FOR_LICENSE="YES"
 
 # String that will be appended to the top sweep directory name. Could, for
-# example, be used to append technology, corrner or other vital info to the 
+# example, be used to append technology, corrner or other vital info to the
 # sweep directory name. Leave blank if unused.
 TOP_DIR_APPEND=""
 
@@ -82,15 +82,19 @@ AREA_DIM="um^2"
 # Generate a CSV sweep result file from a sweep result. Only the sweeps whose
 # slack where not violated are extracted.
 function sweep_to_csv() {
-    local data_dir="${1}"
+    local sweep_data_dir="${1}"
     local csv_out="${2}"
 
-    # Extract non-slack violated resulting subdirectories and periods.
-    local non_violated_dirs
-    local periods
-    non_violated_dirs=$(grep -riL "(VIOLATED)" "${data_dir}"/*/timing.txt)
-    periods=$(perl -C -lne 'print for /(\d+\.\d+?)\/timing\.txt/ig' <<< \
-            "${non_violated_dirs}" | sort -rh)
+    local timing_files
+    if [ "${EXCLUDE_NEGATIVE_SLACK}" -eq "YES" ]; then
+        # Extract non-slack violated 'timing.txt' files.
+        timing_files=$(grep -riL "(VIOLATED)" "${sweep_data_dir}"/*/timing.txt)
+    else # ${EXCLUDE_NEGATIVE_SLACK} -eq "NO"
+        # Extract all all 'timing.txt' files.
+        timing_files=$(echo "${sweep_data_dir}"/*/timing.txt)
+    fi
+    local periods=$(perl -C -lne 'print for /(\d+\.\d+?)\/timing\.txt/ig' <<< \
+              "${timing_files}" | sort -rh)
 
     # Create CSV file and write CSV header.
     touch "${csv_out}"
@@ -101,7 +105,7 @@ function sweep_to_csv() {
     # constraints met.
     while IFS='' read -r period; do
         # Extract data.
-        cur_dir="${data_dir}/${period}"
+        cur_dir="${sweep_data_dir}/${period}"
         power=$(awk '/Total\s+[0-9\.e-]+\s[a-z]{0,1}W/{print $(NF-1)}' \
             "${cur_dir}/power.txt")
         area=$(awk '/Total cell area:/{print $NF}' "${cur_dir}/area.txt")
@@ -227,12 +231,15 @@ for file in "${DESIGN_FILES[@]}"; do
         exit 1
     fi
 done
+if [[ "${EXCLUDE_NEGATIVE_SLACK}" ~= ^(YES)|(NO)$ ]]; then
+    echo "Error: \${EXCLUDE_NEGATIVE_SLACK} not in { 'YES', 'NO' };"
+fi
 if ! [[ "$RETIME_ENABLE" =~ ^(YES)|(NO)$ ]]; then
-    echo "Error: \$RETIME_ENABLE not in { "YES", "NO" }."
+    echo "Error: \$RETIME_ENABLE not in { 'YES', 'NO' }."
     exit 1
 fi
 if ! [[ "${WAIT_FOR_LICENSE}" =~ ^(YES)|(NO)$ ]]; then
-    echo "Error: \$WAIT_FOR_LICENSE not in { "YES", "NO" }."
+    echo "Error: \$WAIT_FOR_LICENSE not in { 'YES', 'NO' }."
     exit 1
 fi