From 1c9fb707fea50d31dd940382b6a3af1a7e4901a3 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Thu, 3 Jan 2019 18:16:02 +0100
Subject: tests: overengineer extractloop_plot_csv.m a little

Plot iteration time on second y axis, adjust line styles
---
 tests/stress_tests/extractloop.bash       |  2 +-
 tests/stress_tests/extractloop_plot_csv.m | 10 +++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/tests/stress_tests/extractloop.bash b/tests/stress_tests/extractloop.bash
index 055103b..742715d 100755
--- a/tests/stress_tests/extractloop.bash
+++ b/tests/stress_tests/extractloop.bash
@@ -93,7 +93,7 @@ function loop {
 		delta=$((t2-t1))
 		if [[ $FSPID -gt 0 && -d /proc ]]; then
 			RSS=$(grep VmRSS /proc/$FSPID/status | tr -s ' ' | cut -f2 -d ' ')
-			echo "$N,$SECONDS,$RSS" >> $CSV
+			echo "$N,$SECONDS,$RSS,$delta" >> $CSV
 		fi
 		echo "[looper $ID] Iteration $N done, $delta seconds, RSS $RSS kiB"
 		let N=$N+1
diff --git a/tests/stress_tests/extractloop_plot_csv.m b/tests/stress_tests/extractloop_plot_csv.m
index d6c164e..be80656 100755
--- a/tests/stress_tests/extractloop_plot_csv.m
+++ b/tests/stress_tests/extractloop_plot_csv.m
@@ -2,9 +2,13 @@
 
 r=csvread('/tmp/extractloop.csv');
 figure('Position',[100,100,1600,800]);
-plot(r(:,2), r(:,3)/1024, '-o');
-xlabel('seconds')
-ylabel('RSS MiB')
+[hAx,hLine1,hLine2] = plotyy(r(:,2), r(:,3)/1024, r(:,2), r(:,4));
+xlabel('Runtime (seconds)')
+set(hLine1, 'LineWidth', 1, 'Marker', 'o', 'MarkerSize', 10)
+% LineWidth also sets the marker drawing thickness
+set(hLine2, 'LineWidth', 1, 'LineStyle', 'none', 'Marker', '*', 'MarkerSize', 10)
+ylabel(hAx(1), 'RSS (MiB)')
+ylabel(hAx(2), 'Iteration Time (seconds)')
 grid on;
 drawnow;
 disp('press enter to exit');
-- 
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