added code to resize window/width when setting the other to a smaller value

1 files changed, 6 insertions, 0 deletions

diff --git a/src/hwlatdetect/hwlatdetect.py b/src/hwlatdetect/hwlatdetect.py
index dacf884..e7c2fe1 100755
--- a/src/hwlatdetect/hwlatdetect.py
+++ b/src/hwlatdetect/hwlatdetect.py
@@ -312,12 +312,18 @@ if __name__ == '__main__':
 
     if o.window:
         w = microseconds(o.window)
+        if w < hwlat.get("width"):
+            debug("shrinking width to %d for new window of %d" % (w/2, w))
+            hwlat.set("width", w/2)
         debug("window parameter = %d" % w)
         hwlat.set("window", w)
         debug("window for sampling set to %dus" % w)
 
     if o.width:
         w = microseconds(o.width)
+        if w > hwlat.get("window"):
+            debug("widening window to %d for new width of %d" % (w*2, w))
+            hwlat.set("window", w*2)
         debug("width parameter = %d" % w)
         hwlat.set("width", w)
         debug("sample width set to %dus" % w)