amd_gpu.c File Reference

Scan functions for AMD GPU subsystems. More...

Include dependency graph for amd_gpu.c:

Go to the source code of this file.

Functions
void	open_amd_gpu_dev_type (_sysdetect_dev_type_info_t *dev_type_info)
void	close_amd_gpu_dev_type (_sysdetect_dev_type_info_t *dev_type_info)

Detailed Description

Author

Giuseppe Congiu gcong.nosp@m.iu@i.nosp@m.cl.ut.nosp@m.k.ed.nosp@m.u

Definition in file amd_gpu.c.

Function Documentation

close_amd_gpu_dev_type()

void close_amd_gpu_dev_type

(

_sysdetect_dev_type_info_t *

dev_type_info

)

Definition at line 421 of file amd_gpu.c.

{
    papi_free(dev_type_info->dev_info_arr);
}

open_amd_gpu_dev_type()

void open_amd_gpu_dev_type

(

_sysdetect_dev_type_info_t *

dev_type_info

)

Definition at line 369 of file amd_gpu.c.

{
    memset(dev_type_info, 0, sizeof(*dev_type_info));
    dev_type_info->id = PAPI_DEV_TYPE_ID__ROCM;
    strcpy(dev_type_info->vendor, "AMD/ATI");
    strcpy(dev_type_info->status, "Device Initialized");
 
#ifdef HAVE_ROCM
    if (load_hsa_sym(dev_type_info->status)) {
        return;
    }
 
    int dev_count = 0;
    hsa_status_t status = get_device_count(&dev_count);
    if (status != HSA_STATUS_SUCCESS) {
        if (status != HSA_STATUS_ERROR_NOT_INITIALIZED) {
            const char *string;
            (*hsa_status_stringPtr)(status, &string);
            printf( "error: %s\n", string );
        }
        return;
    }
    dev_type_info->num_devices = dev_count;
 
    _sysdetect_gpu_info_u *arr = papi_calloc(dev_count, sizeof(*arr));
    fill_dev_info(arr);
 
#ifdef HAVE_ROCM_SMI
    if (!load_rsmi_sym(dev_type_info->status)) {
        fill_dev_affinity_info(arr, dev_count);
        unload_rsmi_sym();
    }
#else
    const char *message = "RSMI not configured, no device affinity available";
    int count = snprintf(dev_type_info->status, PAPI_MAX_STR_LEN, "%s", message);
    if (count >= PAPI_MAX_STR_LEN) {
        SUBDBG("Error message truncated.");
    }
#endif /* HAVE_ROCM_SMI */
 
    unload_hsa_sym();
    dev_type_info->dev_info_arr = (_sysdetect_dev_info_u *)arr;
#else
    const char *message = "ROCm not configured, no ROCm device available";
    int count = snprintf(dev_type_info->status, PAPI_MAX_STR_LEN, "%s", message);
    if (count >= PAPI_MAX_STR_LEN) {
        SUBDBG("Error message truncated.");
    }
#endif /* HAVE_ROCM */
}

Here is the call graph for this function: