Files
rocm-systems/example/amd_smi_drm_example.cc
T
Marko Oblak 01474ff14e SWDEV-392359 - [AMDSMI] [Linux] [Guest] Documented unsupported APIs
Signed-off-by: Marko Oblak <Marko.Oblak@amd.com>
Change-Id: I0cff925082e6bc637e4b5073df64445380b3a3f5
2023-06-21 13:18:32 +02:00

646 строки
26 KiB
C++

/*
* =============================================================================
* The University of Illinois/NCSA
* Open Source License (NCSA)
*
* Copyright (c) 2022, Advanced Micro Devices, Inc.
* All rights reserved.
*
* Developed by:
*
* AMD Research and AMD ROC Software Development
*
* Advanced Micro Devices, Inc.
*
* www.amd.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal with the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimers.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimers in
* the documentation and/or other materials provided with the distribution.
* - Neither the names of <Name of Development Group, Name of Institution>,
* nor the names of its contributors may be used to endorse or promote
* products derived from this Software without specific prior written
* permission.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS WITH THE SOFTWARE.
*
*/
#include <assert.h>
#include <stdint.h>
#include <unistd.h>
#include "amd_smi/amdsmi.h"
#include <bitset>
#include <iostream>
#include <pwd.h>
#include <sys/stat.h>
#include <string.h>
#include <vector>
#define CHK_AMDSMI_RET(RET) \
{ \
if (RET != AMDSMI_STATUS_SUCCESS) { \
const char *err_str; \
std::cout << "AMDSMI call returned " << RET << " at line " \
<< __LINE__ << std::endl; \
amdsmi_status_code_to_string(RET, &err_str); \
std::cout << err_str << std::endl; \
return RET; \
} \
}
void getFWNameFromId(int id, char *name)
{
switch (id) {
case FW_ID_SMU:
strcpy(name, "SMU");
break;
case FW_ID_CP_CE:
strcpy(name, "CP_CE");
break;
case FW_ID_CP_PFP:
strcpy(name, "CP_PFP");
break;
case FW_ID_CP_ME:
strcpy(name, "CP_ME");
break;
case FW_ID_CP_MEC_JT1:
strcpy(name, "CP_MEC_JT1");
break;
case FW_ID_CP_MEC_JT2:
strcpy(name, "CP_MEC_JT2");
break;
case FW_ID_CP_MEC1:
strcpy(name, "CP_MEC1");
break;
case FW_ID_CP_MEC2:
strcpy(name, "CP_MEC2");
break;
case FW_ID_RLC:
strcpy(name, "RLC");
break;
case FW_ID_SDMA0:
strcpy(name, "SDMA0");
break;
case FW_ID_SDMA1:
strcpy(name, "SDMA1");
break;
case FW_ID_SDMA2:
strcpy(name, "SDMA2");
break;
case FW_ID_SDMA3:
strcpy(name, "SDMA3");
break;
case FW_ID_SDMA4:
strcpy(name, "SDMA4");
break;
case FW_ID_SDMA5:
strcpy(name, "SDMA5");
break;
case FW_ID_SDMA6:
strcpy(name, "SDMA6");
break;
case FW_ID_SDMA7:
strcpy(name, "SDMA7");
break;
case FW_ID_VCN:
strcpy(name, "VCN");
break;
case FW_ID_UVD:
strcpy(name, "UVD");
break;
case FW_ID_VCE:
strcpy(name, "VCE");
break;
case FW_ID_ISP:
strcpy(name, "ISP");
break;
case FW_ID_DMCU_ERAM:
strcpy(name, "DMCU_ERAM");
break;
case FW_ID_DMCU_ISR:
strcpy(name, "DMCU_ISR");
break;
case FW_ID_RLC_RESTORE_LIST_GPM_MEM:
strcpy(name, "RLC_RESTORE_LIST_GPM_MEM");
break;
case FW_ID_RLC_RESTORE_LIST_SRM_MEM:
strcpy(name, "RLC_RESTORE_LIST_SRM_MEM");
break;
case FW_ID_RLC_RESTORE_LIST_CNTL:
strcpy(name, "RLC_RESTORE_LIST_CNTL");
break;
case FW_ID_RLC_V:
strcpy(name, "RLC_V");
break;
case FW_ID_MMSCH:
strcpy(name, "MMSCH");
break;
case FW_ID_PSP_SYSDRV:
strcpy(name, "PSP_SYSDRV");
break;
case FW_ID_PSP_SOSDRV:
strcpy(name, "PSP_SOSDRV");
break;
case FW_ID_PSP_TOC:
strcpy(name, "PSP_TOC");
break;
case FW_ID_PSP_KEYDB:
strcpy(name, "PSP_KEYDB");
break;
case FW_ID_DFC:
strcpy(name, "DFC");
break;
case FW_ID_PSP_SPL:
strcpy(name, "PSP_SPL");
break;
case FW_ID_DRV_CAP:
strcpy(name, "DRV_CAP");
break;
case FW_ID_MC:
strcpy(name, "MC");
break;
case FW_ID_PSP_BL:
strcpy(name, "PSP_BL");
break;
case FW_ID_CP_PM4:
strcpy(name, "CP_PM4");
break;
case FW_ID_ASD:
strcpy(name, "ID_ASD");
break;
case FW_ID_TA_RAS:
strcpy(name, "ID_TA_RAS");
break;
case FW_ID_XGMI:
strcpy(name, "ID_XGMI");
break;
case FW_ID_RLC_SRLG:
strcpy(name, "ID_RLC_SRLG");
break;
case FW_ID_RLC_SRLS:
strcpy(name, "ID_RLC_SRLS");
break;
case FW_ID_SMC:
strcpy(name, "ID_SMC");
break;
case FW_ID_DMCU:
strcpy(name, "ID_DMCU");
break;
default:
strcpy(name, "");
break;
}
}
int main() {
amdsmi_status_t ret;
// Init amdsmi for sockets and devices.
// Here we are only interested in AMD_GPUS.
ret = amdsmi_init(AMDSMI_INIT_AMD_GPUS);
CHK_AMDSMI_RET(ret)
// Get all sockets
uint32_t socket_count = 0;
// Get the socket count available for the system.
ret = amdsmi_get_socket_handles(&socket_count, nullptr);
CHK_AMDSMI_RET(ret)
// Allocate the memory for the sockets
std::vector<amdsmi_socket_handle> sockets(socket_count);
// Get the sockets of the system
ret = amdsmi_get_socket_handles(&socket_count, &sockets[0]);
CHK_AMDSMI_RET(ret)
std::cout << "Total Socket: " << socket_count << std::endl;
// For each socket, get identifier and devices
for (uint32_t i = 0; i < socket_count; i++) {
// Get Socket info
char socket_info[128];
ret = amdsmi_get_socket_info(sockets[i], 128, socket_info);
CHK_AMDSMI_RET(ret)
std::cout << "Socket " << socket_info << std::endl;
// Get the device count available for the socket.
uint32_t device_count = 0;
ret = amdsmi_get_processor_handles(sockets[i], &device_count, nullptr);
CHK_AMDSMI_RET(ret)
// Allocate the memory for the device handlers on the socket
std::vector<amdsmi_processor_handle> processor_handles(device_count);
// Get all devices of the socket
ret = amdsmi_get_processor_handles(sockets[i],
&device_count, &processor_handles[0]);
CHK_AMDSMI_RET(ret)
// For each device of the socket, get name and temperature.
for (uint32_t j = 0; j < device_count; j++) {
// Get device type. Since the amdsmi is initialized with
// AMD_SMI_INIT_AMD_GPUS, the processor_type must be AMD_GPU.
processor_type_t processor_type = {};
ret = amdsmi_get_processor_type(processor_handles[j], &processor_type);
CHK_AMDSMI_RET(ret)
if (processor_type != AMD_GPU) {
std::cout << "Expect AMD_GPU device type!\n";
return AMDSMI_STATUS_NOT_SUPPORTED;
}
// Get BDF info
amdsmi_bdf_t bdf = {};
ret = amdsmi_get_gpu_device_bdf(processor_handles[j], &bdf);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_device_bdf:\n");
printf("\tDevice[%d] BDF %04lx:%02x:%02x.%d\n\n", i,
bdf.domain_number, bdf.bus_number, bdf.device_number,
bdf.function_number);
// Get handle from BDF
amdsmi_processor_handle dev_handle;
ret = amdsmi_get_processor_handle_from_bdf(bdf, &dev_handle);
CHK_AMDSMI_RET(ret)
// Get ASIC info
amdsmi_asic_info_t asic_info = {};
ret = amdsmi_get_gpu_asic_info(processor_handles[j], &asic_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_asic_info:\n");
printf("\tMarket Name: %s\n", asic_info.market_name);
printf("\tDeviceID: 0x%lx\n", asic_info.device_id);
printf("\tVendorID: 0x%x\n", asic_info.vendor_id);
printf("\tRevisionID: 0x%x\n", asic_info.rev_id);
printf("\tAsic serial: 0x%s\n\n", asic_info.asic_serial);
// Get VBIOS info
amdsmi_vbios_info_t vbios_info = {};
ret = amdsmi_get_gpu_vbios_info(processor_handles[j], &vbios_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_vbios_info:\n");
printf("\tVBios Name: %s\n", vbios_info.name);
printf("\tBuild Date: %s\n", vbios_info.build_date);
printf("\tPart Number: %s\n", vbios_info.part_number);
printf("\tVBios Version String: %s\n\n",
vbios_info.version);
// Get power measure
amdsmi_power_info_t power_measure = {};
ret = amdsmi_get_power_info(processor_handles[j], &power_measure);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_power_info:\n");
printf("\tCurrent GFX Voltage: %d\n",
power_measure.gfx_voltage);
printf("\tAverage socket power: %d\n",
power_measure.average_socket_power);
printf("\tGPU Power limit: %d\n\n", power_measure.power_limit);
// Get driver version
char version[AMDSMI_MAX_DRIVER_VERSION_LENGTH];
int version_length = AMDSMI_MAX_DRIVER_VERSION_LENGTH;
ret = amdsmi_get_gpu_driver_version(processor_handles[j], &version_length, version);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_driver_version:\n");
printf("\tDriver version: %s\n\n", version);
// Get device uuid
unsigned int uuid_length = AMDSMI_GPU_UUID_SIZE;
char uuid[AMDSMI_GPU_UUID_SIZE];
ret = amdsmi_get_gpu_device_uuid(processor_handles[j], &uuid_length, uuid);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_device_uuid:\n");
printf("\tDevice uuid: %s\n\n", uuid);
// Get engine usage info
amdsmi_engine_usage_t engine_usage = {};
ret = amdsmi_get_gpu_activity(processor_handles[j], &engine_usage);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_activity:\n");
printf("\tAverage GFX Activity: %d\n",
engine_usage.gfx_activity);
printf("\tAverage MM Activity: %d\n",
engine_usage.mm_activity);
printf("\tAverage UMC Activity: %d\n\n",
engine_usage.umc_activity);
// Get firmware info
amdsmi_fw_info_t fw_information = {};
char ucode_name[AMDSMI_MAX_STRING_LENGTH];
ret = amdsmi_get_fw_info(processor_handles[j], &fw_information);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_fw_info:\n");
printf("Number of Microcodes: %d\n", fw_information.num_fw_info);
for (int j = 0; j < fw_information.num_fw_info; j++) {
getFWNameFromId(fw_information.fw_info_list[j].fw_id, ucode_name);
printf(" %s: %ld\n", ucode_name, fw_information.fw_info_list[j].fw_version);
}
// Get GFX clock measurements
amdsmi_clk_info_t gfx_clk_values = {};
ret = amdsmi_get_clock_info(processor_handles[j], CLK_TYPE_GFX,
&gfx_clk_values);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_clock_info:\n");
printf("\tGPU GFX Max Clock: %d\n", gfx_clk_values.max_clk);
printf("\tGPU GFX Current Clock: %d\n", gfx_clk_values.cur_clk);
// Get MEM clock measurements
amdsmi_clk_info_t mem_clk_values = {};
ret = amdsmi_get_clock_info(processor_handles[j], CLK_TYPE_MEM,
&mem_clk_values);
CHK_AMDSMI_RET(ret)
printf("\tGPU MEM Max Clock: %d\n", mem_clk_values.max_clk);
printf("\tGPU MEM Current Clock: %d\n\n", mem_clk_values.cur_clk);
// Get PCIe status
amdsmi_pcie_info_t pcie_info = {};
ret = amdsmi_get_pcie_link_status(processor_handles[j], &pcie_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_pcie_link_status:\n");
printf("\tPCIe lanes: %d\n", pcie_info.pcie_lanes);
printf("\tPCIe speed: %d\n\n", pcie_info.pcie_speed);
// Get PCIe caps
amdsmi_pcie_info_t pcie_caps_info = {};
ret = amdsmi_get_pcie_link_caps(processor_handles[j], &pcie_caps_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_pcie_link_caps:\n");
printf("\tPCIe max lanes: %d\n", pcie_caps_info.pcie_lanes);
printf("\tPCIe max speed: %d\n\n", pcie_caps_info.pcie_speed);
// Get VRAM temperature limit
int64_t temperature = 0;
ret = amdsmi_get_temp_metric(
processor_handles[j], TEMPERATURE_TYPE_VRAM,
AMDSMI_TEMP_CRITICAL, &temperature);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_temp_metric:\n");
printf("\tGPU VRAM temp limit: %ld\n", temperature);
// Get GFX temperature limit
ret = amdsmi_get_temp_metric(
processor_handles[j], TEMPERATURE_TYPE_EDGE,
AMDSMI_TEMP_CRITICAL, &temperature);
CHK_AMDSMI_RET(ret)
printf("\tGPU GFX temp limit: %ld\n\n", temperature);
// Get temperature measurements
// amdsmi_temperature_t edge_temp, junction_temp, vram_temp,
// plx_temp;
int64_t temp_measurements[4];
amdsmi_temperature_type_t temp_types[4] = {
TEMPERATURE_TYPE_EDGE, TEMPERATURE_TYPE_JUNCTION,
TEMPERATURE_TYPE_VRAM, TEMPERATURE_TYPE_PLX};
for (const auto &temp_type : temp_types) {
ret = amdsmi_get_temp_metric(
processor_handles[j], temp_type,
AMDSMI_TEMP_CURRENT,
&temp_measurements[(int)(temp_type)]);
CHK_AMDSMI_RET(ret)
}
printf(" Output of amdsmi_get_temp_metric:\n");
printf("\tGPU Edge temp measurement: %ld\n",
temp_measurements[TEMPERATURE_TYPE_EDGE]);
printf("\tGPU Junction temp measurement: %ld\n",
temp_measurements[TEMPERATURE_TYPE_JUNCTION]);
printf("\tGPU VRAM temp measurement: %ld\n",
temp_measurements[TEMPERATURE_TYPE_VRAM]);
printf("\tGPU PLX temp measurement: %ld\n\n",
temp_measurements[TEMPERATURE_TYPE_PLX]);
// Get RAS features enabled
char block_names[14][10] = {"UMC", "SDMA", "GFX", "MMHUB",
"ATHUB", "PCIE_BIF", "HDP", "XGMI_WAFL",
"DF", "SMN", "SEM", "MP0",
"MP1", "FUSE"};
char status_names[7][10] = {"NONE", "DISABLED", "PARITY",
"SING_C", "MULT_UC", "POISON",
"ENABLED"};
amdsmi_ras_err_state_t state = {};
int index = 0;
printf(" Output of amdsmi_get_gpu_ras_block_features_enabled:\n");
for (auto block = AMDSMI_GPU_BLOCK_FIRST;
block <= AMDSMI_GPU_BLOCK_LAST;
block = (amdsmi_gpu_block_t)(block * 2)) {
ret = amdsmi_get_gpu_ras_block_features_enabled(processor_handles[j], block,
&state);
CHK_AMDSMI_RET(ret)
printf("\tBlock: %s\n", block_names[index]);
printf("\tStatus: %s\n", status_names[state]);
index++;
}
printf("\n");
// Get bad pages
char bad_page_status_names[3][15] = {"RESERVED", "PENDING",
"UNRESERVABLE"};
uint32_t num_pages = 0;
ret = amdsmi_get_gpu_bad_page_info(processor_handles[j], &num_pages,
nullptr);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_bad_page_info:\n");
if (!num_pages) {
printf("\tNo bad pages found.\n");
} else {
std::vector<amdsmi_retired_page_record_t> bad_page_info(num_pages);
ret = amdsmi_get_gpu_bad_page_info(processor_handles[j], &num_pages,
bad_page_info.data());
CHK_AMDSMI_RET(ret)
for (uint32_t page_it = 0; page_it < num_pages; page_it += 1) {
printf(" Page[%d]\n", page_it);
printf("\tAddress: %lu\n",
bad_page_info[page_it].page_address);
printf("\tSize: %lu\n", bad_page_info[page_it].page_size);
printf(
"\tStatus: %s\n",
bad_page_status_names[bad_page_info[page_it].status]);
}
}
printf("\n");
// Get ECC error counts
amdsmi_error_count_t err_cnt_info = {};
ret = amdsmi_get_gpu_total_ecc_count(processor_handles[j], &err_cnt_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_total_ecc_count:\n");
printf("\tCorrectable errors: %lu\n", err_cnt_info.correctable_count);
printf("\tUncorrectable errors: %lu\n\n",
err_cnt_info.uncorrectable_count);
// Get process list
auto compare = [](const void *a, const void *b) -> int {
return (*(amdsmi_proc_info_t *)a).pid >
(*(amdsmi_proc_info_t *)b).pid
? 1
: -1;
};
uint32_t num_process = 0;
ret = amdsmi_get_gpu_process_list(processor_handles[j], &num_process,
nullptr);
CHK_AMDSMI_RET(ret)
if (!num_process) {
printf("No processes found.\n");
} else {
amdsmi_process_handle_t process_list[num_process];
amdsmi_proc_info_t info_list[num_process];
amdsmi_proc_info_t process = {};
uint64_t mem = 0, gtt_mem = 0, cpu_mem = 0, vram_mem = 0;
uint64_t gfx = 0, enc = 0;
char bdf_str[20];
sprintf(bdf_str, "%04lx:%02x:%02x.%d", bdf.domain_number,
bdf.bus_number, bdf.device_number, bdf.function_number);
int num = 0;
ret = amdsmi_get_gpu_process_list(processor_handles[j], &num_process,
process_list);
CHK_AMDSMI_RET(ret)
for (uint32_t it = 0; it < num_process; it += 1) {
if (getpid() == process_list[it]) {
continue;
}
ret = amdsmi_get_gpu_process_info(processor_handles[j],
process_list[it], &process);
if (ret != AMDSMI_STATUS_SUCCESS) {
printf("amdsmi_get_gpu_process_info() failed for "
"process_list[%d], returned %d\n",
it, ret);
continue;
}
info_list[num++] = process;
}
qsort(info_list, num, sizeof(info_list[0]), compare);
printf("+=======+==================+============+=============="
"+=============+=============+=============+============"
"==+=========================================+\n");
printf(
"| pid | name | user | gpu bdf | "
"fb usage | gtt memory | cpu memory | vram memory | "
"engine usage (ns) |\n");
printf("| | | | "
"| | | | "
" | gfx enc |\n");
printf("+=======+"
"+=============+=============+=============+============"
"==+=========================================+\n");
for (int it = 0; it < num; it++) {
char command[30];
struct passwd *pwd = NULL;
struct stat st;
sprintf(command, "/proc/%d", info_list[it].pid);
if (stat(command, &st))
continue;
pwd = getpwuid(st.st_uid);
if (!pwd)
printf("| %5d | %16s | %10d | %s | %7ld KiB | %7ld KiB "
"| %7ld KiB | %7ld KiB | %lu %lu |\n",
info_list[it].pid, info_list[it].name, st.st_uid,
bdf_str, info_list[it].mem / 1024,
info_list[it].memory_usage.gtt_mem / 1024,
info_list[it].memory_usage.cpu_mem / 1024,
info_list[it].memory_usage.vram_mem / 1024,
info_list[it].engine_usage.gfx,
info_list[it].engine_usage.enc);
else
printf("| %5d | %16s | %10s | %s | %7ld KiB | %7ld KiB "
"| %7ld KiB | %7ld KiB | %lu %lu |\n",
info_list[it].pid, info_list[it].name,
pwd->pw_name, bdf_str, info_list[it].mem / 1024,
info_list[it].memory_usage.gtt_mem / 1024,
info_list[it].memory_usage.cpu_mem / 1024,
info_list[it].memory_usage.vram_mem / 1024,
info_list[it].engine_usage.gfx,
info_list[it].engine_usage.enc);
mem += info_list[it].mem / 1024;
gtt_mem += info_list[it].memory_usage.gtt_mem / 1024;
cpu_mem += info_list[it].memory_usage.cpu_mem / 1024;
vram_mem += info_list[it].memory_usage.vram_mem / 1024;
gfx = info_list[it].engine_usage.gfx;
enc = info_list[it].engine_usage.enc;
printf(
"+-------+------------------+------------+-------------"
"-+-------------+-------------+-------------+----------"
"----+-----------------------------------------+\n");
}
printf("| TOTAL:| %s | %7ld "
"KiB | %7ld KiB | %7ld KiB | %7ld KiB | %lu %lu "
"%lu %lu %lu |\n",
bdf_str, mem, gtt_mem, cpu_mem, vram_mem, gfx,
enc);
printf("+=======+==================+============+=============="
"+=============+=============+=============+============"
"=+==========================================+\n");
}
// Get device name
amdsmi_board_info_t board_info = {};
ret = amdsmi_get_gpu_board_info(processor_handles[j], &board_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_board_info:\n");
std::cout << "\tdevice [" << j
<< "]\n\t\tProduct name: " << board_info.product_name
<< "\n"
<< "\t\tProduct number: " << board_info.product_serial
<< "\n"
<< "\t\tSerial number: " << board_info.serial_number
<< "\n\n";
// Get temperature
int64_t val_i64 = 0;
ret = amdsmi_get_temp_metric(processor_handles[j], TEMPERATURE_TYPE_EDGE,
AMDSMI_TEMP_CURRENT, &val_i64);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_temp_metric:\n");
std::cout << "\t\tTemperature: " << val_i64 << "C"
<< "\n\n";
// Get frame buffer
amdsmi_vram_info_t vram_usage = {};
ret = amdsmi_get_gpu_vram_usage(processor_handles[j], &vram_usage);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_gpu_vram_usage:\n");
std::cout << "\t\tFrame buffer usage (MB): " << vram_usage.vram_used
<< "/" << vram_usage.vram_total << "\n\n";
amdsmi_power_cap_info_t cap_info = {};
ret = amdsmi_get_power_cap_info(processor_handles[j], 0, &cap_info);
CHK_AMDSMI_RET(ret)
printf(" Output of amdsmi_get_power_cap_info:\n");
std::cout << "\t\t Power Cap: " << cap_info.power_cap
<< "W\n";
std::cout << "\t\t Default Power Cap: " << cap_info.default_power_cap
<< "\n\n";
std::cout << "\t\t Dpm Cap: " << cap_info.dpm_cap
<< "\n\n";
std::cout << "\t\t Min Power Cap: " << cap_info.min_power_cap
<< "\n\n";
std::cout << "\t\t Max Power Cap: " << cap_info.max_power_cap
<< "\n\n";
}
}
// Clean up resources allocated at amdsmi_init. It will invalidate sockets
// and devices pointers
ret = amdsmi_shut_down();
CHK_AMDSMI_RET(ret)
return 0;
}