sbm

commit 1ae573e52083826660e474d33652f1d9b4d9b4a9
parent 0d63fcc8a35813e502941643de2a7579b8091ef7
Author: sin <sin@2f30.org>
Date:   Tue, 23 Feb 2016 15:00:54 +0000

Add sbm-plot-real for real time plotting

Diffstat:
M
Makefile
 | 
4
+++-
A
sbm-plot-real
 | 
35
+++++++++++++++++++++++++++++++++++

2 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
@@ -19,17 +19,19 @@ install: all
 	mkdir -p $(DESTDIR)$(PREFIX)/bin
 	cp -f $(BIN) $(DESTDIR)$(PREFIX)/bin
 	cp -f sbm-plot $(DESTDIR)$(PREFIX)/bin
+	cp -f sbm-plot-real $(DESTDIR)$(PREFIX)/bin
 	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
 	cp -f $(BIN).1 $(DESTDIR)$(MANPREFIX)/man1
 
 uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/$(BIN)
 	rm -f $(DESTDIR)$(PREFIX)/bin/sbm-plot
+	rm -f $(DESTDIR)$(PREFIX)/bin/sbm-plot-real
 	rm -f $(DESTDIR)$(MANPREFIX)/man1/$(BIN).1
 
 dist: clean
 	mkdir -p sbm-$(VERSION)
-	cp LICENSE Makefile arg.h sbm-plot sbm.1 sbm.c sbm-$(VERSION)
+	cp LICENSE Makefile arg.h sbm-plot sbm-plot-real sbm.1 sbm.c sbm-$(VERSION)
 	tar -cf sbm-$(VERSION).tar sbm-$(VERSION)
 	gzip sbm-$(VERSION).tar
 	rm -rf sbm-$(VERSION)
diff --git a/sbm-plot-real b/sbm-plot-real
@@ -0,0 +1,35 @@
+#!/bin/sh
+# See LICENSE file for copyright and license details.
+
+command -v gnuplot >/dev/null || {
+	echo gnuplot is not installed 1>&2
+	exit 1
+}
+
+datafile=`mktemp`
+plotfile=`mktemp`
+trap "rm -f $datafile $plotfile" EXIT
+sbm -c 1 -d 500 -t > "$datafile"
+(
+cat << 'EOF'
+set multiplot layout 1, 2
+set autoscale
+set grid
+set xlabel "time"
+set ylabel "Mbps"
+datafile=system("echo $DATAFILE")
+plot datafile using ($1/1000/1000) with lines title "RX Mbps", \
+     datafile using ($2/1000/1000) with lines title "TX Mbps"
+set xlabel "time"
+set ylabel "pps"
+plot datafile using ($3) with lines title "RX pps", \
+     datafile using ($4) with lines title "TX pps"
+pause 0.50
+reread
+EOF
+) > "$plotfile"
+DATAFILE="$datafile" gnuplot "$plotfile" &
+
+while :; do
+	sbm -c 1 -d 500 -t >> "$datafile"
+done