Attach
Supported Products
Note
For details about Ascend product models, see Ascend Product Models.
| Product Type | Supported (Yes/No) |
|---|---|
| Atlas A3 training products and Atlas A3 inference products | No |
| Atlas A2 training products and Atlas A2 inference products | Yes |
| Atlas 200I/500 A2 inference products | No |
| Atlas inference products | Yes |
| Atlas training products | No |
Note
For Atlas A2 training products/Atlas A2 inference products, only the Atlas 800I A2 inference server is supported. For Atlas inference products, only the Atlas 300I Duo inference card and Atlas 800 inference server (model 3000) are supported.
Description
Attaches trace information to the current context.
Function Prototype
size_t Attach(const TraceId traceId, const SpanId spanId, const bool isSample = true)
Parameter Description
Table 1 Parameters
| Parameter | Input/Output | Remarks |
|---|---|---|
| traceId | Input | Trace ID. |
| spanId | Input | Span ID. |
| isSample | Input | Specifies whether to perform sampling. The default value is true. |
Return Values
Returns a context index, whihc is used as the argument when calling Unattach.