#!/usr/bin/env python3 import time, mmap, sys, shutil, os, glob, subprocess from tinygrad.helpers import to_mv, DEBUG, colored, ansilen from tinygrad.runtime.autogen import libc from tinygrad.runtime.autogen.am import smu_v13_0_0 from tinygrad.runtime.support.am.amdev import AMDev, AMMemoryManager from tinygrad.runtime.support.am.ip import AM_SOC, AM_GMC, AM_IH, AM_PSP, AM_SMU, AM_GFX, AM_SDMA AM_VERSION = 0xA0000002 SMU_11_0_GFX_BUSY_THRESHOLD = 15 def bold(s): return f"\033[1m{s}\033[0m" def trim(s:str, length:int) -> str: if len(s) > length: return s[:length-3] + "..." return s def color_temp(temp): if temp >= 87: return colored(f"{temp:>3}", "red") elif temp >= 80: return colored(f"{temp:>3}", "yellow") return f"{temp:>3}" def color_voltage(voltage): return colored(f"{voltage/1000:>5.3f}V", "cyan") def draw_bar(percentage, width=40, fill='█', empty='░'): filled_width = int(width * percentage) bar = fill * filled_width + empty * (width - filled_width) return f'[{bar}] {percentage*100:5.1f}%' def same_line(strs:list[list[str]|None], split=8) -> list[str]: strs = [s for s in strs if s is not None] if len(strs) == 0: return [] ret = [] max_width_in_block = [max(ansilen(line) for line in block) for block in strs] max_height = max(len(block) for block in strs) for i in range(max_height): line = [] for bid, block in enumerate(strs): if i < len(block): line.append(block[i] + ' ' * (split + max_width_in_block[bid] - ansilen(block[i]))) else: line.append(' ' * (split + max_width_in_block[bid])) ret.append(' '.join(line)) return ret def get_bar0_size(pcibus): resource_file = f"/sys/bus/pci/devices/{pcibus}/resource" if not os.path.exists(resource_file): raise FileNotFoundError(f"Resource file not found: {resource_file}") with open(resource_file, "r") as f: lines = f.readlines() bar0_info = lines[0].split() if len(bar0_info) < 3: raise ValueError("Unexpected resource file format for BAR0.") start_hex, end_hex, _flags = bar0_info return int(end_hex, 16) - int(start_hex, 16) + 1 class AMSMI(AMDev): def __init__(self, pcibus, vram_bar:memoryview, doorbell_bar:memoryview, mmio_bar:memoryview): self.pcibus = pcibus self.vram, self.doorbell64, self.mmio = vram_bar, doorbell_bar, mmio_bar self.pci_state = self.read_pci_state() if self.pci_state == "D0": self._init_from_d0() def _init_from_d0(self): self._run_discovery() self._build_regs() if self.reg("regSCRATCH_REG7").read() != AM_VERSION: raise Exception(f"Unsupported AM version: {self.reg('regSCRATCH_REG7').read():x}") self.is_booting, self.smi_dev = True, True self.partial_boot = True # do not init anything self.mm = AMMemoryManager(self, self.vram_size) # Initialize IP blocks self.soc:AM_SOC = AM_SOC(self) self.gmc:AM_GMC = AM_GMC(self) self.ih:AM_IH = AM_IH(self) self.psp:AM_PSP = AM_PSP(self) self.smu:AM_SMU = AM_SMU(self) for ip in [self.soc, self.gmc, self.ih, self.psp, self.smu]: ip.init_sw() def read_pci_state(self): with open(f"/sys/bus/pci/devices/{self.pcibus}/power_state", "r") as f: return f.read().strip().rstrip() class SMICtx: def __init__(self): self.devs = [] self.opened_pcidevs = [] self.opened_pci_resources = {} self.prev_lines_cnt = 0 self.prev_terminal_width = 0 remove_parts = ["Advanced Micro Devices, Inc. [AMD/ATI]", "VGA compatible controller:"] lspci = subprocess.check_output(["lspci"]).decode("utf-8").splitlines() self.lspci = {l.split()[0]: l.split(" ", 1)[1] for l in lspci} for k,v in self.lspci.items(): for part in remove_parts: self.lspci[k] = self.lspci[k].replace(part, "").strip().rstrip() def _open_am_device(self, pcibus): if pcibus not in self.opened_pci_resources: bar_fds = {bar: os.open(f"/sys/bus/pci/devices/{pcibus}/resource{bar}", os.O_RDWR | os.O_SYNC) for bar in [0, 2, 5]} bar_size = {0: get_bar0_size(pcibus), 2: os.fstat(bar_fds[2]).st_size, 5: os.fstat(bar_fds[5]).st_size} def map_pci_range(bar): return to_mv(libc.mmap(0, bar_size[bar], mmap.PROT_READ | mmap.PROT_WRITE, mmap.MAP_SHARED, bar_fds[bar], 0), bar_size[bar]) self.opened_pci_resources[pcibus] = (map_pci_range(0), None, map_pci_range(5).cast('I')) try: self.devs.append(AMSMI(pcibus, *self.opened_pci_resources[pcibus])) except Exception as e: if DEBUG >= 2: print(f"Failed to open AM device {pcibus}: {e}") return self.opened_pcidevs.append(pcibus) if DEBUG >= 2: print(f"Opened AM device {pcibus}") def rescan_devs(self): pattern = os.path.join('/tmp', 'am_*.lock') for d in [f[8:-5] for f in glob.glob(pattern)]: if d not in self.opened_pcidevs: self._open_am_device(d) for d in self.devs: if d.read_pci_state() != d.pci_state: d.pci_state = d.read_pci_state() if d.pci_state == "D0": d._init_from_d0() os.system('clear') if d.pci_state == "D0" and d.reg("regSCRATCH_REG7").read() != AM_VERSION: self.devs.remove(d) self.opened_pcidevs.remove(d.pcibus) os.system('clear') if DEBUG >= 2: print(f"Removed AM device {d.pcibus}") def collect(self): return {d: d.smu.read_metrics() if d.pci_state == "D0" else None for d in self.devs} def draw(self): terminal_width, terminal_height = shutil.get_terminal_size() if self.prev_terminal_width != terminal_width or self.prev_terminal_height != terminal_height: os.system('clear') self.prev_terminal_width, self.prev_terminal_height = terminal_width, terminal_height activity_line_width = 50 if self.prev_terminal_width > 170 else \ (30 if self.prev_terminal_width > 130 else \ (16 if self.prev_terminal_width > 92 else \ max(0, self.prev_terminal_width - 77))) max_col_size = terminal_width // 2 dev_metrics = self.collect() dev_content = [] for dev, metrics in dev_metrics.items(): if dev.pci_state != "D0": dev_content.append([f"{colored('(sleep)', 'yellow')} {bold(dev.pcibus)}: {self.lspci[dev.pcibus[5:]]}"] + [f"PCI State: {dev.pci_state}"] + [" "*107]) continue device_line = [f"{bold(dev.pcibus)} {trim(self.lspci[dev.pcibus[5:]], max_col_size - 24)}"] + [""] activity_line = [f"GFX Activity {draw_bar(metrics.SmuMetrics.AverageGfxActivity / 100, activity_line_width)}"] \ + [f"MEM Activity {draw_bar(metrics.SmuMetrics.AverageUclkActivity / 100, activity_line_width)}"] # draw_metrics_table(metrics, dev) temps_keys = [(k, name) for k, name in smu_v13_0_0.c__EA_TEMP_e__enumvalues.items() if k < smu_v13_0_0.TEMP_COUNT and metrics.SmuMetrics.AvgTemperature[k] != 0] temps_table = ["=== Temps (°C) ==="] + [f"{name:<15}: {color_temp(metrics.SmuMetrics.AvgTemperature[k])}" for k, name in temps_keys] temps_table_compact = [f"Temps (°C): {color_temp(metrics.SmuMetrics.AvgTemperature[smu_v13_0_0.TEMP_HOTSPOT])} hotspot /" \ + f"{color_temp(metrics.SmuMetrics.AvgTemperature[smu_v13_0_0.TEMP_MEM])} mem"] voltage_keys = [(k, name) for k, name in smu_v13_0_0.c__EA_SVI_PLANE_e__enumvalues.items() if k < smu_v13_0_0.SVI_PLANE_COUNT] power_table = ["=== Power ==="] \ + [f"Fan Speed: {metrics.SmuMetrics.AvgFanRpm} RPM"] \ + [f"Fan Power: {metrics.SmuMetrics.AvgFanPwm}%"] power_line = [f"Power: {metrics.SmuMetrics.AverageSocketPower:>3}W " + draw_bar(metrics.SmuMetrics.AverageSocketPower / metrics.SmuMetrics.dGPU_W_MAX, 16)] power_line_compact = [f"Power: {metrics.SmuMetrics.AverageSocketPower:>3}W " + draw_bar(metrics.SmuMetrics.AverageSocketPower / metrics.SmuMetrics.dGPU_W_MAX, activity_line_width)] voltage_table = ["=== Voltages ==="] + [f"{name:<20}: {color_voltage(metrics.SmuMetrics.AvgVoltage[k])}" for k, name in voltage_keys] gfx_freq = (metrics.SmuMetrics.AverageGfxclkFrequencyPostDs if metrics.SmuMetrics.AverageGfxActivity <= SMU_11_0_GFX_BUSY_THRESHOLD else \ metrics.SmuMetrics.AverageGfxclkFrequencyPreDs) fclk_freq = (metrics.SmuMetrics.AverageFclkFrequencyPostDs if metrics.SmuMetrics.AverageUclkActivity <= SMU_11_0_GFX_BUSY_THRESHOLD else \ metrics.SmuMetrics.AverageFclkFrequencyPreDs) mclk_freq = (metrics.SmuMetrics.AverageMemclkFrequencyPostDs if metrics.SmuMetrics.AverageUclkActivity <= SMU_11_0_GFX_BUSY_THRESHOLD else \ metrics.SmuMetrics.AverageMemclkFrequencyPreDs) frequency_table = ["=== Frequencies ===", f"GFXCLK Target : {metrics.SmuMetrics.AverageGfxclkFrequencyTarget:>4} MHz", f"GFXCLK PreDs : {metrics.SmuMetrics.AverageGfxclkFrequencyPreDs:>4} MHz", f"GFXCLK PostDs : {metrics.SmuMetrics.AverageGfxclkFrequencyPostDs:>4} MHz", f"FCLK PreDs : {metrics.SmuMetrics.AverageFclkFrequencyPreDs:>4} MHz", f"FCLK PostDs : {metrics.SmuMetrics.AverageFclkFrequencyPostDs:>4} MHz", f"MCLK PreDs : {metrics.SmuMetrics.AverageMemclkFrequencyPreDs:>4} MHz", f"MCLK PostDs : {metrics.SmuMetrics.AverageMemclkFrequencyPostDs:>4} MHz", f"VCLK0 : {metrics.SmuMetrics.AverageVclk0Frequency:>4} MHz", f"DCLK0 : {metrics.SmuMetrics.AverageDclk0Frequency:>4} MHz", f"VCLK1 : {metrics.SmuMetrics.AverageVclk1Frequency:>4} MHz", f"DCLK1 : {metrics.SmuMetrics.AverageDclk1Frequency:>4} MHz"] frequency_table_compact = ["=== Frequencies ===", f"GFXCLK: {gfx_freq:>4} MHz", f"FCLK : {fclk_freq:>4} MHz", f"MCLK : {mclk_freq:>4} MHz"] if self.prev_terminal_width >= 231: power_table += power_line + [""] + voltage_table activity_line += [""] elif self.prev_terminal_width >= 171: power_table += power_line + [""] + frequency_table_compact activity_line += [""] frequency_table = None elif self.prev_terminal_width >= 121: temps_table = None frequency_table = frequency_table_compact activity_line += power_line_compact else: temps_table = None power_table = None frequency_table = None activity_line += power_line_compact dev_content.append(device_line + activity_line + same_line([temps_table, power_table, frequency_table])) raw_text = 'AM Monitor'.center(terminal_width) + "\n" + "=" * terminal_width + "\n\n" for i in range(0, len(dev_content), 2): if i + 1 < len(dev_content): raw_text += '\n'.join(same_line([dev_content[i], dev_content[i+1]])) else: raw_text += '\n'.join(dev_content[i]) if i + 2 < len(dev_content): raw_text += "\n" + "=" * terminal_width + "\n\n" sys.stdout.write(f'\033[{self.prev_lines_cnt}A') sys.stdout.flush() print(raw_text) self.prev_lines_cnt = len(raw_text.splitlines()) + 2 if __name__ == "__main__": try: os.system('clear') smi_ctx = SMICtx() while True: smi_ctx.rescan_devs() smi_ctx.draw() time.sleep(1) except KeyboardInterrupt: print("Exiting...")