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dsmi_get_device_frequency
Prototype
int dsmi_get_device_frequency(int device_id, int device_type, unsigned int *pfrequency)
Description
Obtains the the Ascend AI Processor frequency.
For the Ascend 310 AI Processor, this API supports mini modules (EP) and standard PCIe cards.
Parameters
Parameter |
Input/Output |
Description |
|---|---|---|
device_id |
Input |
Device ID For the Ascend 310 AI Processor, the value range is 0–63. Obtain the actual device ID by calling dsmi_list_device. |
device_type |
Input |
Device type Ascend 310 AI Processor supports 1 and 2.
|
pfrequency |
Output |
Frequency (MHz) |
Returns
Type |
Description |
|---|---|
int |
0 on success; else, failure |
Restrictions
None
Example
int ret = 0;
unsigned int frequency;
ret = dsmi_get_device_frequency(0, 1, &frequency);
if(ret != 0) {
//To-do: records logs.
return ret;
}
...