Splunk Create an overlay chart

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To create an overlay chart in Splunk, you can use the “overlay” command in your search query. Here’s an example query that creates an overlay chart:

index=myindex sourcetype=mydata | timechart span=1d sum(value) by category | overlay line

This query assumes that your data is stored in “myindex” and has a sourcetype of “mydata”. It also assumes that you have a “value” field and a “category” field in your data.

The “timechart” command is used to create a time series chart with a span of 1 day. The “sum” function is used to calculate the sum of the “value” field for each category.

The “overlay” command is used to overlay a line chart on top of the time series chart. This creates an overlay chart that shows the sum of the “value” field for each category over time.

You can customize the chart by adjusting the span and the aggregation function used in the timechart command, and by using different chart types in the overlay command (e.g. “bar”, “area”, etc.).

Format the X-Axis labels:

To format the X-axis labels in a Splunk chart, you can use the “xaxis” command in your search query. Here’s an example query that formats the X-axis labels:

index=myindex sourcetype=mydata | timechart span=1d sum(value) by category | overlay line | xaxis label="Date" timeformat="%m/%d/%Y"

In this query, the “xaxis” command is used to format the X-axis labels. The “label” parameter specifies the label to use for the X-axis, which in this case is “Date”. The “timeformat” parameter specifies the format to use for the date values on the X-axis. In this example, the format is “%m/%d/%Y”, which displays the date in month/day/year format.

You can use different date formats in the “timeformat” parameter to customize the appearance of the X-axis labels. The available format options are listed in the Splunk documentation.

Format the Y-Axis values and add a title to it:

To format the Y-axis values and add a title to it in a Splunk chart, you can use the “yaxis” command in your search query. Here’s an example query that formats the Y-axis values and adds a title to it:

index=myindex sourcetype=mydata | timechart span=1d sum(value) by category | overlay line | xaxis label="Date" timeformat="%m/%d/%Y" | yaxis label="Total Value" format="$%.2f" title="Value"

In this query, the “yaxis” command is used to format the Y-axis values and add a title to it. The “label” parameter specifies the label to use for the Y-axis, which in this case is “Total Value”. The “format” parameter specifies the format to use for the Y-axis values. In this example, the format is “$%.2f”, which displays the Y-axis values with a dollar sign, two decimal places, and commas for thousands separators.

The “title” parameter specifies the title to use for the Y-axis, which in this case is “Value”.

You can use different format options in the “format” parameter to customize the appearance of the Y-axis values. The available format options are listed in the Splunk documentation.

Save the revised chart as a report:

To save the revised chart as a report in Splunk, you can use the “save” command in your search query. Here’s an example query that saves the revised chart as a report:

index=myindex sourcetype=mydata | timechart span=1d sum(value) by category | overlay line | xaxis label="Date" timeformat="%m/%d/%Y" | yaxis label="Total Value" format="$%.2f" title="Value" | save myreport

In this query, the “save” command is used to save the revised chart as a report. The “myreport” parameter specifies the name of the report to save. This will save the report to the default app’s “Reports” section in Splunk.

After running this query, you should see a message indicating that the report was saved. To view the report, go to the “Reports” section in the Splunk UI and find the report with the name “myreport”. You can open the report to view the chart and any other content included in the report.

You can also customize the report by adding additional content, such as text or other charts, using the Splunk UI.

Create a report from a custom chart:

To create a report from a custom chart in Splunk, you can use the “dashboard” feature to create a dashboard that includes the chart, and then save the dashboard as a report. Here are the steps to create a report from a custom chart:

  1. Create a custom chart using the Splunk search language, as you would for any chart in Splunk.
  2. Once you have created your custom chart, navigate to the “Dashboards” section in the Splunk UI and click “Create Dashboard”.
  3. In the dashboard editor, add a new panel by clicking the “Add Panel” button.
  4. In the panel editor, select “Custom Visualization” as the visualization type.
  5. In the “Custom Visualization” panel, click the “Source” button to open the source editor.
  6. In the source editor, copy and paste the search query that you used to create your custom chart.
  7. Click “Save” to save the panel.
  8. Repeat steps 3-7 for any additional panels you want to add to the dashboard.
  9. Once you have added all of the desired panels to the dashboard, click “Save As” to save the dashboard as a report.
  10. In the “Save As” dialog, select “Report” as the object type and enter a name for the report.
  11. Click “Save” to save the report.

The report will now be available in the “Reports” section of the Splunk UI, and can be viewed or shared like any other report.

Create a report from a sparkline chart:

To create a report from a sparkline chart in Splunk, you can use the “dashboard” feature to create a dashboard that includes the sparkline chart, and then save the dashboard as a report. Here are the steps to create a report from a sparkline chart:

  1. Create a search query that returns the data you want to display in the sparkline chart. For example, you might use a search like the following to count the number of events in each hour:
  2. index=myindex sourcetype=mydata | timechart span=1h count
    1. Once you have created your search query, navigate to the “Dashboards” section in the Splunk UI and click “Create Dashboard”.
    2. In the dashboard editor, add a new panel by clicking the “Add Panel” button.
    3. In the panel editor, select “Chart” as the visualization type.
    4. In the “Chart” panel, enter your search query in the search field.
    5. Select “Sparkline” as the chart type.
    6. Configure the sparkline chart as desired, including any axis labels or other options.
    7. Click “Save” to save the panel.
    8. Repeat steps 3-8 for any additional panels you want to add to the dashboard.
    9. Once you have added all of the desired panels to the dashboard, click “Save As” to save the dashboard as a report.
    10. In the “Save As” dialog, select “Report” as the object type and enter a name for the report.
    11. Click “Save” to save the report.

    The report will now be available in the “Reports” section of the Splunk UI, and can be viewed or shared like any other report.