add support for named timers as "start-timers" and "stop-timers" op fields

This commit is contained in:
Jonathan Shook 2022-05-24 13:40:48 -05:00
parent 4d7355c803
commit 5a4692cf9e
4 changed files with 85 additions and 19 deletions

View File

@ -20,7 +20,7 @@ import com.codahale.metrics.Histogram;
import com.codahale.metrics.Timer;
import io.nosqlbench.engine.api.activityconfig.yaml.OpTemplate;
import io.nosqlbench.engine.api.metrics.ActivityMetrics;
import io.nosqlbench.engine.api.templating.CommandTemplate;
import io.nosqlbench.engine.api.metrics.ThreadLocalNamedTimers;
import io.nosqlbench.engine.api.templating.ParsedOp;
import java.util.concurrent.TimeUnit;
@ -31,6 +31,7 @@ import java.util.concurrent.TimeUnit;
*
* Some details are tracked per op template, which aligns to the life-cycle of the op dispenser.
* Thus, each op dispenser is where the stats for all related operations are kept.
*
* @param <T> The type of operation
*/
public abstract class BaseOpDispenser<T> implements OpDispenser<T> {
@ -40,22 +41,40 @@ public abstract class BaseOpDispenser<T> implements OpDispenser<T> {
private Histogram resultSizeHistogram;
private Timer successTimer;
private Timer errorTimer;
private String[] timerStarts = new String[0];
private String[] timerStops = new String[0];
// TODO: Consider changing this to "ready op template" or similar
public BaseOpDispenser(OpTemplate optpl) {
this.name = optpl.getName();
}
public BaseOpDispenser(ParsedOp op) {
this.name = op.getName();
timerStarts = op.takeOptionalStaticValue("start-timers", String.class)
.map(s -> s.split(", *"))
.orElse(null);
timerStops = op.takeOptionalStaticValue("stop-timers", String.class)
.map(s -> s.split(", *"))
.orElse(null);
if (timerStarts!=null) {
for (String timerStart : timerStarts) {
ThreadLocalNamedTimers.addTimer(op,timerStart);
}
}
configureInstrumentation(op);
}
public BaseOpDispenser(CommandTemplate cmdtpl) {
this.name = cmdtpl.getName();
}
// public BaseOpDispenser(CommandTemplate cmdtpl) {
// this.name = cmdtpl.getName();
// }
/**
* {@inheritDoc}
*
* @param value The cycle number which serves as the seed for any
* generated op fields to be bound into an operation.
* @return
@ -63,31 +82,54 @@ public abstract class BaseOpDispenser<T> implements OpDispenser<T> {
@Override
public abstract T apply(long value);
private void configureInstrumentation(ParsedOp optpl) {
this.instrument = optpl.getStaticConfigOr("instrument", false);
private void configureInstrumentation(ParsedOp pop) {
this.instrument = pop.takeStaticConfigOr("instrument", false);
if (instrument) {
this.successTimer = ActivityMetrics.timer(optpl.getStaticConfigOr("alias","UNKNOWN")+"-"+optpl.getName()+"--success");
this.errorTimer = ActivityMetrics.timer(optpl.getStaticConfigOr("alias","UNKNOWN")+"-"+optpl.getName()+"--error");
this.resultSizeHistogram = ActivityMetrics.histogram(optpl.getStaticConfigOr("alias","UNKNOWN")+"-"+optpl.getName()+ "--resultset-size");
this.successTimer = ActivityMetrics.timer(pop.getStaticConfigOr("alias", "UNKNOWN") + "-" + pop.getName() + "--success");
this.errorTimer = ActivityMetrics.timer(pop.getStaticConfigOr("alias", "UNKNOWN") + "-" + pop.getName() + "--error");
this.resultSizeHistogram = ActivityMetrics.histogram(pop.getStaticConfigOr("alias", "UNKNOWN") + "-" + pop.getName() + "--resultset-size");
}
timerStarts = pop.takeOptionalStaticValue("start-timers", String.class)
.map(s -> s.split(", *"))
.orElse(null);
if (timerStarts!=null) {
for (String timerStart : timerStarts) {
ThreadLocalNamedTimers.addTimer(pop,timerStart);
}
}
timerStops = pop.takeOptionalStaticValue("stop-timers", String.class)
.map(s -> s.split(", *"))
.orElse(null);
}
@Override
public void onStart(long cycleValue) {
if (timerStarts!=null) {
ThreadLocalNamedTimers.TL_INSTANCE.get().start(timerStops);
}
}
@Override
public void onSuccess(long cycleValue, long nanoTime, long resultsize) {
if (!instrument) {
return;
if (instrument) {
successTimer.update(nanoTime, TimeUnit.NANOSECONDS);
resultSizeHistogram.update(resultsize);
}
successTimer.update(nanoTime, TimeUnit.NANOSECONDS);
resultSizeHistogram.update(resultsize);
// ThreadLocalNamedTimers.TL_INSTANCE.get().stop(stopTimers);
}
@Override
public void onError(long cycleValue, long resultNanos, Throwable t) {
if (!instrument) {
return;
if (instrument) {
errorTimer.update(resultNanos, TimeUnit.NANOSECONDS);
}
if (timerStops!=null) {
ThreadLocalNamedTimers.TL_INSTANCE.get().stop(timerStops);
}
errorTimer.update(resultNanos, TimeUnit.NANOSECONDS);
}
}

View File

@ -81,4 +81,6 @@ public interface OpDispenser<T> extends LongFunction<T>, OpResultTracker {
*/
T apply(long value);
void onStart(long cycleValue);
}

View File

@ -18,6 +18,7 @@ package io.nosqlbench.engine.api.metrics;
import com.codahale.metrics.Timer;
import io.nosqlbench.engine.api.activityimpl.ActivityDef;
import io.nosqlbench.engine.api.templating.ParsedOp;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
@ -44,6 +45,14 @@ public class ThreadLocalNamedTimers {
timers.put(name, timer);
}
public static void addTimer(ParsedOp pop, String name) {
if (timers.containsKey("name")) {
logger.warn("A timer named '" + name + "' was already defined and initialized.");
}
Timer timer = ActivityMetrics.timer(pop.getStaticConfig("alias",String.class)+"."+name);
timers.put(name, timer);
}
public void start(String name) {
Timer.Context context = timers.get(name).time();
contexts.put(name, context);
@ -54,9 +63,15 @@ public class ThreadLocalNamedTimers {
context.stop();
}
public void start(List<String> timerName) {
for (String startTimer : timerName) {
start(startTimer);
public void start(List<String> timerNames) {
for (String timerName : timerNames) {
start(timerName);
}
}
public void start(String[] timerNames) {
for (String timerName : timerNames) {
start(timerName);
}
}
@ -66,4 +81,9 @@ public class ThreadLocalNamedTimers {
}
}
public void stop(String[] timerStops) {
for (String timerStop : timerStops) {
stop(timerStop);
}
}
}

View File

@ -85,6 +85,8 @@ public class StandardAction<A extends StandardActivity<R, ?>, R extends Op> impl
Throwable error = null;
long startedAt = System.nanoTime();
dispenser.onStart(cycle);
try (Timer.Context ct = executeTimer.time()) {
if (op instanceof RunnableOp) {
((RunnableOp) op).run();