move logMemoryUsage from koptinterface to document

frontend/document/document.lua

@@ -280,4 +280,29 @@ function Document:getPageText(pageno)
 	return text
 end
 
+--[[
+helper functions
+--]]
+function Document:logMemoryUsage(pageno)
+	local status_file = io.open("/proc/self/status", "r")
+	local log_file = io.open("mem_usage_log.txt", "a+")
+	local data = -1
+	if status_file then
+		for line in status_file:lines() do
+			local s, n
+			s, n = line:gsub("VmData:%s-(%d+) kB", "%1")
+			if n ~= 0 then data = tonumber(s) end
+			if data ~= -1 then break end
+		end
+		status_file:close()
+	end
+	if log_file then
+		if log_file:seek("end") == 0 then -- write the header only once
+			log_file:write("PAGE\tMEM\n")
+		end
+		log_file:write(string.format("%s\t%s\n", pageno, data))
+		log_file:close()
+	end
+end
+
 return Document

frontend/document/koptinterface.lua

@@ -224,8 +224,6 @@ function KoptInterface:getRFPageDimensions(doc, pageno, zoom, rotation)
 end
 
 function KoptInterface:renderPage(doc, pageno, rect, zoom, rotation, gamma, render_mode)
-	--DEBUG("log memory usage at renderPage")
-	--self:logMemoryUsage(pageno)
 	if doc.configurable.text_wrap == 1 then
 		return self:renderreflowedPage(doc, pageno, rect, zoom, rotation, render_mode)
 	else
@@ -878,26 +876,4 @@ function KoptInterface:logReflowDuration(pageno, dur)
 	end
 end
 
-function KoptInterface:logMemoryUsage(pageno)
-	local status_file = io.open("/proc/self/status", "r")
-	local log_file = io.open("reflow_mem_log.txt", "a+")
-	local data = -1
-	if status_file then
-		for line in status_file:lines() do
-			local s, n
-			s, n = line:gsub("VmData:%s-(%d+) kB", "%1")
-			if n ~= 0 then data = tonumber(s) end
-			if data ~= -1 then break end
-		end
-		status_file:close()
-	end
-	if log_file then
-		if log_file:seek("end") == 0 then -- write the header only once
-			log_file:write("PAGE\tMEM\n")
-		end
-		log_file:write(string.format("%s\t%s\n", pageno, data))
-		log_file:close()
-	end
-end
-
 return KoptInterface