DOKK / manpages / debian 10 / systemtap-doc / macro::json_output_array_numeric_value.3stap.en
MACRO::JSON_OUTPUT_A(3stap) JSON Tapset MACRO::JSON_OUTPUT_A(3stap)

macro::json_output_array_numeric_value - Output a numeric value for metric in an array.



    @json_output_array_numeric_value(array_name,array_index,metric_name,value)

array_name

The name of the array.

array_index

The array index (as a string) indicating where to store the numeric value.

metric_name

The name of the numeric metric.

value

The numeric value to output.

The json_output_array_numeric_value macro is designed to be called from the 'json_data' probe in the user's script to output a metric's numeric value that is in an array. This metric should have been added with json_add_array_numeric_metric.

tapset::json(3stap)

October 2018 SystemTap Tapset Reference