# tChronometerStop

Operates as a chronometer device that stops calculating the processing time of one or more subJobs in the main Job, or that stops calculating the processing time of part of your subJob. tChronometerStop displays the total execution time.

Measures the time a subJob takes to be executed.

## tChronometerStop Standard properties

These properties are used to configure tChronometerStop running in the Standard Job framework.

The Standard tChronometerStop component belongs to the Logs & Errors family.

The component in this framework is available in all Talend products.

## Basic settings

| Properties | Description |
| --- | --- |
| Since options | Select either check box to select measurement starting point:<br><br><br>Since the beginning: stops time<br>measurement launched at the beginning of a subJob.<br><br><br>Since a tChronometerStart: stops<br>time measurement launched at one of the tChronometerStart components used on the data flow<br>of the subJob. |
| Display duration in console | When selected, it displays subJob execution information on the<br>console. |
| Display component name | When selected, it displays the name of the component on the<br>console. |
| Caption | Enter desired text, to identify your subJob for example. |
| Display human readable duration | When selected, it displays subJob execution information in<br>readable time unites. |

## Global Variables

| Variables | Description |
| --- | --- |
| Global Variables | STOPTIME: the stop time to calculate the processing time of subJob(s).<br>This is a Flow variable and it returns a long.<br><br><br>DURATION: the processing time<br>of subJob(s). This is a Flow variable and it returns a long.<br><br><br>ERROR\_MESSAGE: the error message generated by the<br>component when an error occurs. This is an After variable and it returns a string. This<br>variable functions only if the Die on error checkbox is<br>cleared, if the component has this checkbox.<br><br>A Flow variable functions during the execution of a component<br>while an After variable functions after the execution of the component.<br><br>To fill up a field or expression with a variable, press Ctrl+Space to access the variable list and choose the variable to use from<br>it.<br><br>For more information about variables, see [Using contexts and variables](https://help.qlik.com/talend/r/en-US/8.0/studio-user-guide/contexts-and-variables). |

## Usage

| Usage guidance | Description |
| --- | --- |
| **Usage rule** | Cannot be used as a start component. |

**Related concepts**

* [Measuring the processing time of a subJob and part of a subJob](https://help.qlik.com/talend/en-US/components/8.0/logs-and-errors/tchronometerstop-tfileoutputdelimited-trowgenerator-tmap-measuring-processing-time-of-subjob-and-part-of-subjob-standard-component-this)