TAPSET::JSON(3stap)

NAME
tapset::json - systemtap json tapset

DESCRIPTION

 The JSON tapset provides probes, functions, and macros to generate
 a JSON metadata and data file. The JSON metadata file is located in
 /proc/systemtap/MODULE/metadata.json. The JSON data file is located
 in /proc/systemtap/MODULE/data.json. The JSON data file is updated
 with current data every time the file is read.

json_set_prefix
    Set the metric prefix.

    See function::json_set_prefix(3stap)
     for details.

json_add_numeric_metric
    Add a numeric metric

    See function::json_add_numeric_metric(3stap)
     for details.

json_add_string_metric
    Add a string metric

    See function::json_add_string_metric(3stap)
     for details.

json_add_array
    Add an array

    See function::json_add_array(3stap)
     for details.

json_add_array_numeric_metric
    Add a numeric metric to an array

    See function::json_add_array_numeric_metric(3stap)
     for details.

json_add_array_string_metric
    Add a string metric to an array

    See function::json_add_array_string_metric(3stap)
     for details.

json_data
    Fires whenever JSON data is wanted by a reader.

     See probe::json_data(3stap)
     for details.

@json_output_data_start
    Start the json output.

     See macro::json_output_data_start(3stap)
     for details.

@json_output_string_value
    Output a string value.

     See macro::json_output_string_value(3stap)
     for details.

@json_output_numeric_value
    Output a numeric value.

     See macro::json_output_numeric_value(3stap)
     for details.

@json_output_array_string_value
    Output a string value for metric in an array.

     See macro::json_output_array_string_value(3stap)
     for details.

@json_output_array_numeric_value
    Output a numeric value for metric in an array.

     See macro::json_output_array_numeric_value(3stap)
     for details.

@json_output_data_end
    End the json output.

     See macro::json_output_data_end(3stap)
     for details.

SEE ALSO
function::json_set_prefix(3stap), function::json_add_numeric_metric(3stap), function::json_add_string_metric(3stap), function::json_add_array(3stap), function::json_add_array_numeric_metric(3stap), function::json_add_array_string_metric(3stap), probe::json_data(3stap), macro::json_output_data_start(3stap), macro::json_output_string_value(3stap), macro::json_output_numeric_value(3stap), macro::json_output_array_string_value(3stap), macro::json_output_array_numeric_value(3stap), macro::json_output_data_end(3stap), stap(1), stapprobes(3stap)