add 'profile': log individual starting times, and use them on next run to estimate progress. write progress to lcd.

2 files changed, 43 insertions, 1 deletions

diff --git a/lib/python/Tools/Makefile.am b/lib/python/Tools/Makefile.am
index 0bc82009..0050ee34 100644
--- a/lib/python/Tools/Makefile.am
+++ b/lib/python/Tools/Makefile.am
@@ -4,4 +4,4 @@ install_PYTHON = \
 	FuzzyDate.py XMLTools.py Directories.py NumericalTextInput.py \
 	KeyBindings.py BoundFunction.py ISO639.py Notifications.py __init__.py \
 	RedirectOutput.py DreamboxHardware.py Import.py Event.py CList.py \
-	RedirectTime.py LoadPixmap.py
+	RedirectTime.py LoadPixmap.py Profile.py
diff --git a/lib/python/Tools/Profile.py b/lib/python/Tools/Profile.py
new file mode 100644
index 00000000..1c44bc84
--- /dev/null
+++ b/lib/python/Tools/Profile.py
@@ -0,0 +1,42 @@
+import time
+from Directories import resolveFilename, SCOPE_SYSETC
+
+PERCENTAGE_START = 50
+PERCENTAGE_END = 100
+
+profile_start = time.time()
+
+profile_data = {}
+total_time = 1
+
+try:
+	profile_old = open(resolveFilename(SCOPE_SYSETC, "profile"), "r").readlines()
+
+	t = None
+	for line in profile_old:
+		(t, id) = line[:-1].split('\t')
+		t = float(t)
+		total_time = t
+		profile_data[id] = t
+except:
+	print "no profile data available"
+
+profile_file = open(resolveFilename(SCOPE_SYSETC, "profile"), "w")
+
+def profile(id):
+	now = time.time() - profile_start
+	if profile_file:
+		profile_file.write("%.2f\t%s\n" % (now, id))
+	if id in profile_data:
+		t = profile_data[id]
+		perc = t * (PERCENTAGE_END - PERCENTAGE_START) / total_time + PERCENTAGE_START
+		try:
+			open("/proc/progress", "w").write("%d \n" % perc)
+		except IOError:
+			pass
+
+def profile_final():
+	global profile_file
+	if profile_file is not None:
+		profile_file.close()
+		profile_file = None