diff --git a/fixtures.ttar b/fixtures.ttar index 1e76173da..b0352c518 100644 --- a/fixtures.ttar +++ b/fixtures.ttar @@ -3455,6 +3455,460 @@ Mode: 664 Directory: fixtures/sys/class Mode: 775 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Directory: fixtures/sys/class/drm +Mode: 755 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Directory: fixtures/sys/class/drm/card0 +Mode: 755 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Directory: fixtures/sys/class/drm/card0/device +Mode: 755 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/aer_dev_correctable +Lines: 9 +RxErr 0 +BadTLP 0 +BadDLLP 0 +Rollover 0 +Timeout 0 +NonFatalErr 0 +CorrIntErr 0 +HeaderOF 0 +TOTAL_ERR_COR 0 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/aer_dev_fatal +Lines: 19 +Undefined 0 +DLP 0 +SDES 0 +TLP 0 +FCP 0 +CmpltTO 0 +CmpltAbrt 0 +UnxCmplt 0 +RxOF 0 +MalfTLP 0 +ECRC 0 +UnsupReq 0 +ACSViol 0 +UncorrIntErr 0 +BlockedTLP 0 +AtomicOpBlocked 0 +TLPBlockedErr 0 +PoisonTLPBlocked 0 +TOTAL_ERR_FATAL 0 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/aer_dev_nonfatal +Lines: 19 +Undefined 0 +DLP 0 +SDES 0 +TLP 0 +FCP 0 +CmpltTO 0 +CmpltAbrt 0 +UnxCmplt 0 +RxOF 0 +MalfTLP 0 +ECRC 0 +UnsupReq 0 +ACSViol 0 +UncorrIntErr 0 +BlockedTLP 0 +AtomicOpBlocked 0 +TLPBlockedErr 0 +PoisonTLPBlocked 0 +TOTAL_ERR_NONFATAL 0 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/ari_enabled +Lines: 1 +0 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/boot_vga +Lines: 1 +1 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/broken_parity_status +Lines: 1 +0 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/class +Lines: 1 +0x030000 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/consistent_dma_mask_bits +Lines: 1 +44 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/current_link_speed +Lines: 1 +8.0 GT/s PCIe +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/current_link_width +Lines: 1 +16 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/d3cold_allowed +Lines: 1 +1 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/device +Lines: 1 +0x687f +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/dma_mask_bits +Lines: 1 +44 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/driver_override +Lines: 1 +(null) +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/enable +Lines: 1 +1 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/gpu_busy_percent +Lines: 1 +4 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/irq +Lines: 1 +95 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/local_cpulist +Lines: 1 +0-15 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/local_cpus +Lines: 1 +0000ffff +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/max_link_speed +Lines: 1 +8.0 GT/s PCIe +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/max_link_width +Lines: 1 +16 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_gtt_total +Lines: 1 +8573157376 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_gtt_used +Lines: 1 +144560128 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_vis_vram_total +Lines: 1 +8573157376 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_vis_vram_used +Lines: 1 +1490378752 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_vram_total +Lines: 1 +8573157376 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_vram_used +Lines: 1 +1490378752 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/mem_info_vram_vendor +Lines: 1 +samsung +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/modalias +Lines: 1 +pci:v00001002d0000687Fsv00001043sd000004C4bc03sc00i00 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/msi_bus +Lines: 1 +1 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/numa_node +Lines: 1 +-1 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pcie_bw +Lines: 1 +6641 815 256 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pcie_replay_count +Lines: 1 +0 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/power_dpm_force_performance_level +Lines: 1 +manual +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/power_dpm_state +Lines: 1 +performance +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/power_state +Lines: 1 +D0 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_cur_state +Lines: 1 +1 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_dpm_dcefclk +Lines: 5 +0: 600Mhz * +1: 720Mhz +2: 800Mhz +3: 847Mhz +4: 900Mhz +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_dpm_mclk +Lines: 4 +0: 167Mhz * +1: 500Mhz +2: 800Mhz +3: 945Mhz +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_dpm_pcie +Lines: 2 +0: 8.0GT/s, x16 +1: 8.0GT/s, x16 * +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_dpm_sclk +Lines: 8 +0: 852Mhz * +1: 991Mhz +2: 1084Mhz +3: 1138Mhz +4: 1200Mhz +5: 1401Mhz +6: 1536Mhz +7: 1630Mhz +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_dpm_socclk +Lines: 8 +0: 600Mhz +1: 720Mhz * +2: 800Mhz +3: 847Mhz +4: 900Mhz +5: 960Mhz +6: 1028Mhz +7: 1107Mhz +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_features +Lines: 32 +Current ppfeatures: 0x0000000019a1ff4f +FEATURES BITMASK ENABLEMENT +DPM_PREFETCHER 0x0000000000000001 Y +GFXCLK_DPM 0x0000000000000002 Y +UCLK_DPM 0x0000000000000004 Y +SOCCLK_DPM 0x0000000000000008 Y +UVD_DPM 0x0000000000000010 N +VCE_DPM 0x0000000000000020 N +ULV 0x0000000000000040 Y +MP0CLK_DPM 0x0000000000000080 N +LINK_DPM 0x0000000000000100 Y +DCEFCLK_DPM 0x0000000000000200 Y +AVFS 0x0000000000000400 Y +GFXCLK_DS 0x0000000000000800 Y +SOCCLK_DS 0x0000000000001000 Y +LCLK_DS 0x0000000000002000 Y +PPT 0x0000000000004000 Y +TDC 0x0000000000008000 Y +THERMAL 0x0000000000010000 Y +GFX_PER_CU_CG 0x0000000000020000 N +RM 0x0000000000040000 N +DCEFCLK_DS 0x0000000000080000 N +ACDC 0x0000000000100000 N +VR0HOT 0x0000000000200000 Y +VR1HOT 0x0000000000400000 N +FW_CTF 0x0000000000800000 Y +LED_DISPLAY 0x0000000001000000 Y +FAN_CONTROL 0x0000000002000000 N +FAST_PPT 0x0000000004000000 N +DIDT 0x0000000008000000 Y +ACG 0x0000000010000000 Y +PCC_LIMIT 0x0000000020000000 N +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_force_state +Lines: 1 + +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_mclk_od +Lines: 1 +0 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_num_states +Lines: 3 +states: 2 +0 boot +1 performance +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_od_clk_voltage +Lines: 18 +OD_SCLK: +0: 852Mhz 800mV +1: 991Mhz 900mV +2: 1084Mhz 950mV +3: 1138Mhz 1000mV +4: 1200Mhz 1050mV +5: 1401Mhz 1100mV +6: 1536Mhz 1150mV +7: 1630Mhz 1200mV +OD_MCLK: +0: 167Mhz 800mV +1: 500Mhz 800mV +2: 800Mhz 950mV +3: 945Mhz 1100mV +OD_RANGE: +SCLK: 852MHz 2400MHz +MCLK: 167MHz 1500MHz +VDDC: 800mV 1200mV +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_power_profile_mode +Lines: 8 +NUM MODE_NAME BUSY_SET_POINT FPS USE_RLC_BUSY MIN_ACTIVE_LEVEL + 0 BOOTUP_DEFAULT : 70 60 0 0 + 1 3D_FULL_SCREEN*: 70 60 1 3 + 2 POWER_SAVING : 90 60 0 0 + 3 VIDEO : 70 60 0 0 + 4 VR : 70 90 0 0 + 5 COMPUTE : 30 60 0 6 + 6 CUSTOM : 0 0 0 0 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/pp_sclk_od +Lines: 1 +0 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/product_name +Lines: 1 + +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/product_number +Lines: 1 + +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/resource +Lines: 13 +0x0000007c00000000 0x0000007dffffffff 0x000000000014220c +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x0000007e00000000 0x0000007e0fffffff 0x000000000014220c +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x000000000000d000 0x000000000000d0ff 0x0000000000040101 +0x00000000fcd00000 0x00000000fcd7ffff 0x0000000000040200 +0x00000000fcd80000 0x00000000fcd9ffff 0x0000000000046200 +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x0000000000000000 0x0000000000000000 0x0000000000000000 +0x0000000000000000 0x0000000000000000 0x0000000000000000 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/revision +Lines: 1 +0xc1 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/serial_number +Lines: 1 + +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/subsystem_device +Lines: 1 +0x04c4 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/subsystem_vendor +Lines: 1 +0x1043 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/thermal_throttling_logging +Lines: 1 +0000:09:00.0: thermal throttling logging enabled, with interval 60 seconds +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/uevent +Lines: 6 +DRIVER=amdgpu +PCI_CLASS=30000 +PCI_ID=1002:687F +PCI_SUBSYS_ID=1043:04C4 +PCI_SLOT_NAME=0000:09:00.0 +MODALIAS=pci:v00001002d0000687Fsv00001043sd000004C4bc03sc00i00 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/unique_id +Lines: 1 +0123456789abcdef +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/vbios_version +Lines: 1 +115-D050PIL-100 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/class/drm/card0/device/vendor +Lines: 1 +0x1002 +Mode: 444 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Directory: fixtures/sys/class/fc_host Mode: 755 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -4978,35 +5432,6 @@ Mode: 644 Directory: fixtures/sys/devices/system Mode: 775 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Directory: fixtures/sys/devices/system/node -Mode: 775 -# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Directory: fixtures/sys/devices/system/node/node1 -Mode: 755 -# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Path: fixtures/sys/devices/system/node/node1/vmstat -Lines: 6 -nr_free_pages 1 -nr_zone_inactive_anon 2 -nr_zone_active_anon 3 -nr_zone_inactive_file 4 -nr_zone_active_file 5 -nr_zone_unevictable 6 -Mode: 644 -# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Directory: fixtures/sys/devices/system/node/node2 -Mode: 755 -# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Path: fixtures/sys/devices/system/node/node2/vmstat -Lines: 6 -nr_free_pages 7 -nr_zone_inactive_anon 8 -nr_zone_active_anon 9 -nr_zone_inactive_file 10 -nr_zone_active_file 11 -nr_zone_unevictable 12 -Mode: 644 -# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Directory: fixtures/sys/devices/system/clocksource Mode: 775 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - @@ -5254,6 +5679,35 @@ Mode: 644 Directory: fixtures/sys/devices/system/cpu/cpufreq/policy1 Mode: 755 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Directory: fixtures/sys/devices/system/node +Mode: 775 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Directory: fixtures/sys/devices/system/node/node1 +Mode: 755 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/devices/system/node/node1/vmstat +Lines: 6 +nr_free_pages 1 +nr_zone_inactive_anon 2 +nr_zone_active_anon 3 +nr_zone_inactive_file 4 +nr_zone_active_file 5 +nr_zone_unevictable 6 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Directory: fixtures/sys/devices/system/node/node2 +Mode: 755 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - +Path: fixtures/sys/devices/system/node/node2/vmstat +Lines: 6 +nr_free_pages 7 +nr_zone_inactive_anon 8 +nr_zone_active_anon 9 +nr_zone_inactive_file 10 +nr_zone_active_file 11 +nr_zone_unevictable 12 +Mode: 644 +# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Directory: fixtures/sys/fs Mode: 755 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - diff --git a/sysfs/class_drm.go b/sysfs/class_drm.go new file mode 100644 index 000000000..1febea25b --- /dev/null +++ b/sysfs/class_drm.go @@ -0,0 +1,26 @@ +// Copyright 2021 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux + +package sysfs + +import ( + "path/filepath" + + "github.com/prometheus/procfs/internal/util" +) + +func readDRMCardField(card, field string) (string, error) { + return util.SysReadFile(filepath.Join(card, "device", field)) +} diff --git a/sysfs/class_drm_amdgpu.go b/sysfs/class_drm_amdgpu.go new file mode 100644 index 000000000..308d1d134 --- /dev/null +++ b/sysfs/class_drm_amdgpu.go @@ -0,0 +1,121 @@ +// Copyright 2021 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux + +package sysfs + +import ( + "errors" + "fmt" + "path/filepath" + "regexp" + "syscall" + + "github.com/prometheus/procfs/internal/util" +) + +const ( + // Supported device drivers. + deviceDriverAMDGPU = "amdgpu" +) + +// ClassDRMCardAMDGPUStats contains info from files in +// /sys/class/drm/card/device for a single amdgpu card. +// Not all cards expose all metrics. +// https://www.kernel.org/doc/html/latest/gpu/amdgpu.html +type ClassDRMCardAMDGPUStats struct { + Name string // The card name. + GPUBusyPercent uint64 // How busy the GPU is as a percentage. + MemoryGTTSize uint64 // The size of the graphics translation table (GTT) block in bytes. + MemoryGTTUsed uint64 // The used amount of the graphics translation table (GTT) block in bytes. + MemoryVisibleVRAMSize uint64 // The size of visible VRAM in bytes. + MemoryVisibleVRAMUsed uint64 // The used amount of visible VRAM in bytes. + MemoryVRAMSize uint64 // The size of VRAM in bytes. + MemoryVRAMUsed uint64 // The used amount of VRAM in bytes. + MemoryVRAMVendor string // The VRAM vendor name. + PowerDPMForcePerformanceLevel string // The current power performance level. + UniqueID string // The unique ID of the GPU that will persist from machine to machine. +} + +// ClassDRMCardAMDGPUStats returns DRM card metrics for all amdgpu cards. +func (fs FS) ClassDRMCardAMDGPUStats() ([]ClassDRMCardAMDGPUStats, error) { + cards, err := filepath.Glob(fs.sys.Path("class/drm/card[0-9]")) + if err != nil { + return nil, err + } + + var stats []ClassDRMCardAMDGPUStats + for _, card := range cards { + cardStats, err := parseClassDRMAMDGPUCard(card) + if err != nil { + if errors.Is(err, syscall.ENODATA) { + continue + } + return nil, err + } + cardStats.Name = filepath.Base(card) + stats = append(stats, cardStats) + } + return stats, nil +} + +func parseClassDRMAMDGPUCard(card string) (ClassDRMCardAMDGPUStats, error) { + uevent, err := util.SysReadFile(filepath.Join(card, "device/uevent")) + if err != nil { + return ClassDRMCardAMDGPUStats{}, err + } + + match, err := regexp.MatchString(fmt.Sprintf("DRIVER=%s", deviceDriverAMDGPU), uevent) + if err != nil { + return ClassDRMCardAMDGPUStats{}, err + } + if !match { + return ClassDRMCardAMDGPUStats{}, nil + } + + stats := ClassDRMCardAMDGPUStats{Name: card} + // Read only specific files for faster data gathering. + if v, err := readDRMCardField(card, "gpu_busy_percent"); err == nil { + stats.GPUBusyPercent = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_gtt_total"); err == nil { + stats.MemoryGTTSize = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_gtt_used"); err == nil { + stats.MemoryGTTUsed = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_vis_vram_total"); err == nil { + stats.MemoryVisibleVRAMSize = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_vis_vram_used"); err == nil { + stats.MemoryVisibleVRAMUsed = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_vram_total"); err == nil { + stats.MemoryVRAMSize = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_vram_used"); err == nil { + stats.MemoryVRAMUsed = *util.NewValueParser(v).PUInt64() + } + if v, err := readDRMCardField(card, "mem_info_vram_vendor"); err == nil { + stats.MemoryVRAMVendor = v + } + if v, err := readDRMCardField(card, "power_dpm_force_performance_level"); err == nil { + stats.PowerDPMForcePerformanceLevel = v + } + if v, err := readDRMCardField(card, "unique_id"); err == nil { + stats.UniqueID = v + } + + return stats, nil +} diff --git a/sysfs/class_drm_amdgpu_test.go b/sysfs/class_drm_amdgpu_test.go new file mode 100644 index 000000000..902764e35 --- /dev/null +++ b/sysfs/class_drm_amdgpu_test.go @@ -0,0 +1,53 @@ +// Copyright 2021 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// +build linux + +package sysfs + +import ( + "reflect" + "testing" +) + +func TestClassDRMCardAMDGPUStats(t *testing.T) { + fs, err := NewFS(sysTestFixtures) + if err != nil { + t.Fatal(err) + } + + drmTest, err := fs.ClassDRMCardAMDGPUStats() + if err != nil { + t.Fatal(err) + } + + classDRMCardStats := []ClassDRMCardAMDGPUStats{ + { + Name: "card0", + GPUBusyPercent: 4, + MemoryGTTSize: 8573157376, + MemoryGTTUsed: 144560128, + MemoryVisibleVRAMSize: 8573157376, + MemoryVisibleVRAMUsed: 1490378752, + MemoryVRAMSize: 8573157376, + MemoryVRAMUsed: 1490378752, + MemoryVRAMVendor: "samsung", + PowerDPMForcePerformanceLevel: "manual", + UniqueID: "0123456789abcdef", + }, + } + + if !reflect.DeepEqual(classDRMCardStats, drmTest) { + t.Errorf("Result not correct: want %v, have %v", classDRMCardStats, drmTest) + } +}