From ac55fd90e809e5af502cf73aac54428f2e5566a3 Mon Sep 17 00:00:00 2001
From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Thu, 9 Dec 2010 22:30:18 +0100
Subject: [PATCH] Update Makefile to regenerate graph only when some dependency
 changes

---
 gw-tests/Makefile             | 33 ++++++++++++++++++++-------------
 gw-tests/nop-highprio-time.sh | 10 +++++-----
 gw-tests/nop-time.sh          | 10 +++++-----
 3 files changed, 30 insertions(+), 23 deletions(-)

diff --git a/gw-tests/Makefile b/gw-tests/Makefile
index e1f22ec..c042d2f 100644
--- a/gw-tests/Makefile
+++ b/gw-tests/Makefile
@@ -1,27 +1,34 @@
 T=$(filter-out lib.sh,$(wildcard *.sh))
 
-.PHONY: $(T)
+.PHONY: $(T:%=run-%)
 
-all: $(T) html
+all: $(T:%=run-%) html
 	@echo "Run 'make plot' to generate graphs"
 
 TEST_FLAGS = -P -t all
 
-$(T):%:
-	./$@ $(TEST_FLAGS)
+$(T:%=run-%):run-%:
+	./$* $(TEST_FLAGS)
 
 .PHONY: plot plotall
-PLOT_SCRIPTS=$(shell find results -name plot.sh)
-THUMBS=$(PLOT_SCRIPTS:%/plot.sh=%/thumb)
-plot: $(THUMBS)
-%/thumb: %/plot.sh
-	$*/plot.sh -X
-
-plotall: $(PLOT_SCRIPTS:%=run-%)
-$(PLOT_SCRIPTS:%=run-%):
-	${@:run-%=%} -X
 
+PLOT_SCRIPTS=$(shell find results -name plot.sh)
 
+define plot_template
+plot: $1/thumb
+$1/thumb: $1/plot.sh $(notdir $1).sh $(wildcard $1/*.txt)
+	$1/plot.sh -X
+endef
+
+define plotall_template
+plotall: plot-$1
+.PHONY: plot-$1
+plot-$1:
+	$1/plot.sh -X
+endef
+
+$(foreach result_dir,$(PLOT_SCRIPTS:%/plot.sh=%),$(eval $(call plot_template,$(result_dir))))
+$(foreach result_dir,$(PLOT_SCRIPTS:%/plot.sh=%),$(eval $(call plotall_template,$(result_dir))))
 
 .PHONY: html
 html:
diff --git a/gw-tests/nop-highprio-time.sh b/gw-tests/nop-highprio-time.sh
index e1f8537..0d13e9a 100755
--- a/gw-tests/nop-highprio-time.sh
+++ b/gw-tests/nop-highprio-time.sh
@@ -3,7 +3,7 @@
 . lib.sh
 
 main() {
-	:
+	ln -s ../nop-highprio/*.txt .
 }
 
 plot_cmds() {
@@ -13,10 +13,10 @@ set grid
 set xlabel "Time [s]"
 set ylabel "Latency [{/Symbol m}s]"
 plot [:] [:500] \
-          "../nop-highprio/len2-msgs.txt" using 2:(1000000*$14) with points title "2 byte messages", \
-          "../nop-highprio/len4-msgs.txt" using 2:(1000000*$14) with points title "4 byte messages", \
-          "../nop-highprio/len6-msgs.txt" using 2:(1000000*$14) with points title "6 byte messages", \
-          "../nop-highprio/len8-msgs.txt" using 2:(1000000*$14) with points title "8 byte messages"
+          "len2-msgs.txt" using 2:(1000000*$14) with points title "2 byte messages", \
+          "len4-msgs.txt" using 2:(1000000*$14) with points title "4 byte messages", \
+          "len6-msgs.txt" using 2:(1000000*$14) with points title "6 byte messages", \
+          "len8-msgs.txt" using 2:(1000000*$14) with points title "8 byte messages"
 EOF
 }
     
diff --git a/gw-tests/nop-time.sh b/gw-tests/nop-time.sh
index 627fb13..007542d 100755
--- a/gw-tests/nop-time.sh
+++ b/gw-tests/nop-time.sh
@@ -3,7 +3,7 @@
 . lib.sh
 
 main() {
-	:
+	ln -s ../nop-highprio/*.txt .
 }
 
 plot_cmds() {
@@ -13,10 +13,10 @@ set grid
 set xlabel "Time [s]"
 set ylabel "Latency [{/Symbol m}s]"
 plot [:] [:500] \
-          "../nop/len2-msgs.txt" using 2:(1000000*$14) with points title "2 byte messages", \
-          "../nop/len4-msgs.txt" using 2:(1000000*$14) with points title "4 byte messages", \
-          "../nop/len6-msgs.txt" using 2:(1000000*$14) with points title "6 byte messages", \
-          "../nop/len8-msgs.txt" using 2:(1000000*$14) with points title "8 byte messages"
+          "len2-msgs.txt" using 2:(1000000*$14) with points title "2 byte messages", \
+          "len4-msgs.txt" using 2:(1000000*$14) with points title "4 byte messages", \
+          "len6-msgs.txt" using 2:(1000000*$14) with points title "6 byte messages", \
+          "len8-msgs.txt" using 2:(1000000*$14) with points title "8 byte messages"
 EOF
 }
     
-- 
2.39.2