From 2e4a578a87a9cdce0e6e26fb226ae6ba1254c90f Mon Sep 17 00:00:00 2001
From: Nils Steinger <git@n-st.de>
Date: Sun, 28 May 2017 11:08:09 +0200
Subject: [PATCH] Improved compatibility with mawk
mawk defaults to scientific notation for integers > (2^31 - 1), while gawk
doesn't.
Work around this using %.0f format string.
---
nench.sh | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/nench.sh b/nench.sh
index c3bc127..bee0106 100755
--- a/nench.sh
+++ b/nench.sh
@@ -75,11 +75,11 @@ dd_benchmark()
io=$NF
}
END {
- if (io ~ /TB\/s/) {print 1000*1000*1000*1000*io}
- else if (io ~ /GB\/s/) {print 1000*1000*1000*io}
- else if (io ~ /MB\/s/) {print 1000*1000*io}
- else if (io ~ /KB\/s/) {print 1000*io}
- else { print 1*io}
+ if (io ~ /TB\/s/) {printf("%.0f\n", 1000*1000*1000*1000*io)}
+ else if (io ~ /GB\/s/) {printf("%.0f\n", 1000*1000*1000*io)}
+ else if (io ~ /MB\/s/) {printf("%.0f\n", 1000*1000*io)}
+ else if (io ~ /KB\/s/) {printf("%.0f\n", 1000*io)}
+ else { printf("%.0f", 1*io)}
}'
rm -f test_$$
}
@@ -189,7 +189,7 @@ else
printf ' 3rd run: %s\n' "$(printf '%d\n' "$io3" | Bps_to_MiBps)"
# Calculating avg I/O (better approach with awk for non int values)
- ioavg=$( awk 'BEGIN{print int(('"$io1"' + '"$io2"' + '"$io3"')/3)}' )
+ ioavg=$( awk 'BEGIN{printf("%.0f", ('"$io1"' + '"$io2"' + '"$io3"')/3)}' )
printf ' average: %s\n' "$(printf '%d\n' "$ioavg" | Bps_to_MiBps)"
fi