Span
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
Creates a span.
Function Prototype
Span(const char* spanName, TraceContext& ctx, bool isSampled = true,const char* moduleName = nullptr, bool autoEnd = true)
Parameter Description
Table 1 Parameters
| Parameter | Input/Output | Remarks |
|---|---|---|
| spanName | Input | Span name. |
| ctx | Input | Trace context. |
| isSampled | Input | Specifies whether to perform sampling. The default value is true. |
| moduleName | Input | (Optional) Module name. |
| autoEnd | Input | Specifies whether to automatically end the span. The default value is true. |
Return Values
Returns the current trace context.