GpaBeginSession
Copyright (c) 2018-2024 Advanced Micro Devices, Inc. All rights reserved.
Syntax
GpaStatus GpaBeginSession( GpaSessionId session_id);Description
Begins sampling with the currently enabled set of counters. A session must have been created using GpaCreateSession before it can be started. A session must be started before creating any samples. The set of enabled counters for a session cannot be changed after the session has started.
Parameters
| Name | Description |
|---|---|
| session_id | Unique identifier of a previously-created session. |
Return value
| Return value | Description |
|---|---|
| kGpaStatusOk | The session was successfully started. |
| kGpaStatusErrorGpaNotInitialized | GPA was not initialized. Call GpaInitialize before all other entrypoints. |
| kGpaStatusErrorNullPointer | The supplied session_id parameter is NULL. |
| kGpaStatusErrorSessionNotFound | The supplied session_id parameter was not recognized as a previously-created session identifier. |
| kGpaStatusErrorContextNotOpen | The supplied context is not currently open. |
| kGpaStatusErrorSessionAlreadyStarted | The session has already been started. |
| kGpaStatusErrorNoCountersEnabled | There are no counters enabled |
| kGpaStatusErrorFailed | The session could be be started. |
| kGpaStatusErrorOtherSessionActive | Another session is active. |
| kGpaStatusErrorException | Exception occurred. |