Reduce bash CPU time for high-core-count machines in dropcount.sh

diff --git a/dropcount.sh b/dropcount.sh
index 541dd30529e090c6c9fbfc7ef6b1c9c09d85cb94..5f15b5e6ab087f7e6cea34a2a686934aa0d7388f 100755 (executable)
--- a/dropcount.sh
+++ b/dropcount.sh
@@ -17,7 +17,7 @@ fi
 CNT=0
 }
 MAP_CONTENTS="$(bpftool map show | grep drop_cnt_map | awk '{ print $1 }' | tr -d ':' | while read IF; do
-       bpftool map dump id "$IF"
+       bpftool map dump id "$IF" | grep "bytes\|packets\|key" | grep -v '\(bytes\|packets\)": 0\(,\)*$'
 done)"
 echo "$MAP_CONTENTS" | {
        declare -a BYTES