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Graphs: Add stat for render time (ticket #2684)

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zzz
2020-02-03 15:41:06 +00:00
parent f8283c04ca
commit e7ddee5509
1 changed files with 5 additions and 7 deletions
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12
apps/routerconsole/java/src/net/i2p/router/web/SummaryRenderer.java
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@ -57,11 +57,13 @@ class SummaryRenderer {
private static final int SIZE_MONO = 10; private static final int SIZE_MONO = 10;
private static final int SIZE_LEGEND = 10; private static final int SIZE_LEGEND = 10;
private static final int SIZE_TITLE = 13; private static final int SIZE_TITLE = 13;
private static final long[] RATES = new long[] { 60*60*1000 };
public SummaryRenderer(I2PAppContext ctx, SummaryListener lsnr) { public SummaryRenderer(I2PAppContext ctx, SummaryListener lsnr) {
_log = ctx.logManager().getLog(SummaryRenderer.class); _log = ctx.logManager().getLog(SummaryRenderer.class);
_listener = lsnr; _listener = lsnr;
_context = ctx; _context = ctx;
ctx.statManager().createRateStat("graph.renderTime", "", "Router", RATES);
} }
/** /**
@ -132,15 +134,15 @@ class SummaryRenderer {
public void render(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid, public void render(OutputStream out, int width, int height, boolean hideLegend, boolean hideGrid,
boolean hideTitle, boolean showEvents, int periodCount, boolean hideTitle, boolean showEvents, int periodCount,
int endp, boolean showCredit, SummaryListener lsnr2, String titleOverride) throws IOException { int endp, boolean showCredit, SummaryListener lsnr2, String titleOverride) throws IOException {
long begin = System.currentTimeMillis();
// prevent NaNs if we are skewed ahead of system time // prevent NaNs if we are skewed ahead of system time
long end = Math.min(_listener.now(), System.currentTimeMillis()) - 75*1000; long end = Math.min(_listener.now(), begin - 75*1000);
long period = _listener.getRate().getPeriod(); long period = _listener.getRate().getPeriod();
if (endp > 0) if (endp > 0)
end -= period * endp; end -= period * endp;
if (periodCount <= 0 || periodCount > _listener.getRows()) if (periodCount <= 0 || periodCount > _listener.getRows())
periodCount = _listener.getRows(); periodCount = _listener.getRows();
long start = end - (period * periodCount); long start = end - (period * periodCount);
//long begin = System.currentTimeMillis();
ImageOutputStream ios = null; ImageOutputStream ios = null;
try { try {
RrdGraphDef def = new RrdGraphDef(); RrdGraphDef def = new RrdGraphDef();
@ -311,12 +313,8 @@ class SummaryRenderer {
graph.render(gfx); graph.render(gfx);
ios = new MemoryCacheImageOutputStream(out); ios = new MemoryCacheImageOutputStream(out);
ImageIO.write(img, "png", ios); ImageIO.write(img, "png", ios);
//System.out.println("Graph created");
//File t = File.createTempFile("jrobinData", ".xml"); _context.statManager().addRateData("graph.renderTime", System.currentTimeMillis() - begin);
//_listener.getData().dumpXml(new FileOutputStream(t));
//System.out.println("plotted: " + (data != null ? data.length : 0) + " bytes in " + timeToPlot
// ); // + ", data written to " + t.getAbsolutePath());
} catch (RrdException re) { } catch (RrdException re) {
_log.error("Error rendering", re); _log.error("Error rendering", re);
throw new IOException("Error plotting: " + re.getLocalizedMessage()); throw new IOException("Error plotting: " + re.getLocalizedMessage());