Querying Top Functions for a Specified Metric

This API is used to query the top functions for a specified metric.

By default, the top ten functions with the most errors in the last day are queried.

GET /v2/{project_id}/fgs/function/report

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
project_id	Yes	String	Project ID. For details, see Obtaining a Project ID.

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
type	No	String	Metric type. Default value: failcount.
start_time	No	String	Start time.
end_time	No	String	End time.
limit	No	String	Metric type. Default value: failcount.

**Table 3** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.
Content-Type	Yes	String	Message body type (format).

Status code: 200

**Table 4** Response body parameters
Parameter	Type	Description
values	Array of FunctionMetric objects	Function URN and metrics.
next_marker	Long	Next read location.
count	Long	Total number of functions returned.

**Table 5** FunctionMetric
Parameter	Type	Description
key	String	Function URN.
value	Integer	Metric value.

Status code: 400

**Table 6** Response body parameters
Parameter	Type	Description
error_code	String	Error code.
error_msg	String	Error message.

Query the top functions for a specified metric.

GET /v2/{project_id}/fgs/function/report

Status code: 200

Query successful.

{
  "next_marker" : 2,
  "count" : 2,
  "values" : [ {
    "key" : "funcUrn1",
    "value" : 1
  }, {
    "key" : "funcUrn2",
    "value" : 2
  } ]
}

Status Code	Description
200	Query successful.
400	Bad Request

Parent topic:Function Metrics

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