| # Metrics Description | |
| ## CPU (perf & turbostat-derived) | |
| ### Perf | |
| Perf:Branches.*[count] — Number of branch instructions executed (cumulative counter). | |
| Perf:Branch_Misses.*[count] — Number of branch prediction misses (cumulative counter). | |
| Perf:Cycles.*[count] — CPU cycles executed (cumulative counter). | |
| Perf:Instructions.*[count] — Instructions retired (cumulative counter). | |
| Perf:IPC.*[-] — Instructions per cycle (IPC). Typically computed or sampled (instantaneous / derived). | |
| Perf:BranchUtilization.*[%] — Branch unit utilization percent (sampled/instant). | |
| Perf:CacheUtilization.*[%] — Cache utilization percent (sampled/instant). | |
| Perf:StallRatio.*[%] — Fraction of cycles spent stalled (sampled/instant). | |
| Perf:OccupancyRatio.*[%] — Execution-unit occupancy/saturation percent (sampled/instant). | |
| ### Turbostat (per-core / package readings and derived) | |
| Fields with \\<n\\> repeat per CPU core index. Fields with .- indicate package-level or special entries present in headers. | |
| #### Avg_MHz (per-core) | |
| Turbostat:Avg_MHz.\<n\>.*[MHz] — Average frequency of core \<n\> in the sample interval. (instant / sampled) | |
| Turbostat:Avg_MHz.-.*[MHz] — Package-level / special average frequency entry. (instant) | |
| #### Busy% (per-core) | |
| Turbostat:Busy%.\<n\>.*[%] — Percent of sample interval core \<n\> was busy. (sampled) | |
| Turbostat:Busy%.-.*[%] — Package-level / special Busy% entry. (sampled) | |
| #### Bzy_MHz (per-core) | |
| Turbostat:Bzy_MHz.\<n\>.*[MHz] — Effective frequency when core \<n\> was busy (MHz). (sampled / derived) | |
| Turbostat:Bzy_MHz.-.*[MHz] — Aggregate / special entry. (sampled) | |
| #### TSC_MHz (per-core) | |
| Turbostat:TSC_MHz.\<n\>.*[MHz] — Timestamp Counter frequency estimate for core \<n\>. (sampled / diagnostic) | |
| Turbostat:TSC_MHz.-.*[MHz] — Aggregate / special entry. | |
| #### IRQ (per-core) | |
| Turbostat:IRQ.\<n\>.*[count] — Number of interrupts handled by core \<n\> (cumulative counter). | |
| Turbostat:IRQ.-.*[count] — Aggregate / special. | |
| #### SMI (per-core) | |
| Turbostat:SMI.\<n\>.*[count] — System Management Interrupts on core \<n\> (cumulative counter). | |
| Turbostat:SMI.-.*[count] — Aggregate / special. | |
| #### CPU C-state residency (per-core) | |
| Turbostat:CPU%c1.\<n\>.*[%] — Percent time core \<n\> spent in C1 low-power state (sampled). | |
| Turbostat:CPU%c1.-.*[%] — Aggregate / special. | |
| Turbostat:CPU%c6.\<n\>.*[%] — Percent time core \<n\> spent in C6 deep low-power state (sampled). | |
| Turbostat:CPU%c6.-.*[%] — Aggregate / special. | |
| #### Core & Package temps / power / package state / utilization | |
| Turbostat:CoreTmp.\<n\>.*[C] — Temperature of core \<n\> (°C). (sampled) | |
| Turbostat:CoreTmp.-.*[C] — Aggregate / special core temperature. (sampled) | |
| Turbostat:PkgTmp.\<n\>.*[C] — Package temperature reading (may appear for multiple package indices). (sampled) | |
| Turbostat:PkgTmp.-.*[C] — Aggregate package temperature. (sampled) | |
| Turbostat:Pkg%pc2.\<n\>.*[%] — Package time fraction spent in PC2 power state (percent). (sampled) | |
| Turbostat:Pkg%pc6.\<n\>.*[%] — Package time fraction spent in PC6 power state (percent). (sampled) | |
| Turbostat:PkgWatt.\<n\>.*[W] — Package-level power consumption (watts). (sampled) | |
| Turbostat:RAMWatt.\<n\>.*[W] — RAM subsystem power (watts). (sampled) | |
| Turbostat:PKG_%.\<n\>.*[%] — Package utilization percent (sampled/derived). | |
| Turbostat:RAM_%.\<n\>.*[%] — RAM utilization percent (sampled/derived). | |
| Note: header sometimes lists specific core indices (e.g., .0, .24), \<n\> generalizes these. Replace \<n\> with actual core index when referring to concrete columns. | |
| #### CPU utilization (per core & average) | |
| CPU:CPU\<n\>Utilization.*[%] — Utilization percent of CPU core \<n\> (sampled / instant). | |
| AverageCPUUtilization.*[%] — Average CPU utilization across tracked cores (sampled / derived). | |
| ## Memory (perf-derived & /proc/meminfo style) | |
| ### Perf-derived memory metrics | |
| Perf:Cache_Misses.*[count] — Cache misses (cumulative counter). | |
| Perf:Cache_References.*[count] — Cache reference accesses (cumulative counter). | |
| Perf:Cycle_activity_cycles_l3_miss.*[count] — Cycles lost due to L3 cache misses (cumulative counter). | |
| Perf:Cycle_activity_stalls_l3_miss.*[count] — Stalls caused by L3 misses (cumulative counter). | |
| Perf:Hle_retired_aborted.*[count] — HLE (hardware lock elision) aborted transactions (cumulative counter). | |
| Perf:Hle_retired_commit.*[count] — HLE committed transactions (cumulative counter). | |
| Perf:Mem_trans_retired_load_latency_gt_128.*[count] — Loads with latency \>128 cycles (cumulative counter). | |
| Perf:Mem_trans_retired_load_latency_gt_256.*[count] — Loads with latency \>256 cycles (cumulative counter). | |
| Perf:Mem-loads.*[count] — Memory load operations (cumulative counter). | |
| Perf:Mem-stores.*[count] — Memory store operations (cumulative counter). | |
| ### Memory snapshot / /proc/meminfo-style fields (units in kB, typically instantaneous/sample): | |
| Memory:Active.*[kB] — Amount of active (recently used) memory. (instant) | |
| Memory:AnonHugePages.*[kB] — Anonymous hugepages memory. (instant) | |
| Memory:AnonPages.*[kB] — Anonymous pages (non-file-backed). (instant) | |
| Memory:Bounce.*[kB] — Bounce buffer memory used (DMA-related). (instant) | |
| Memory:Buffers.*[kB] — Kernel buffers. (instant) | |
| Memory:Cached.*[kB] — File pages cached in memory. (instant) | |
| Memory:CommitLimit.*[kB] — Commit limit for virtual memory. (instant) | |
| Memory:Committed_AS.*[kB] — Committed virtual memory. (instant) | |
| Memory:DirectMap1G.*[kB] — 1 GiB direct-mapped pages. (instant) | |
| Memory:DirectMap2M.*[kB] — 2 MiB direct-mapped pages. (instant) | |
| Memory:DirectMap4k.*[kB] — 4 KiB direct-mapped pages. (instant) | |
| Memory:Dirty.*[kB] — Pages waiting to be written to storage. (instant) | |
| Memory:HardwareCorrupted.*[kB] — Memory marked as hardware-corrupted. (instant) | |
| Memory:Hugepagesize.*[kB] — Hugepage size. (instant) | |
| Memory:Hugetlb.*[kB] — hugetlb allocations. (instant) | |
| Memory:Inactive.*[kB] — Inactive page cache. (instant) | |
| Memory:KReclaimable.*[kB] — Kernel reclaimable memory. (instant) | |
| Memory:KernelStack.*[kB] — Kernel stack usage. (instant) | |
| Memory:Mapped.*[kB] — Mapped files/devices. (instant) | |
| Memory:MemAvailable.*[kB] — Estimated available memory. (instant) | |
| Memory:MemFree.*[kB] — Free physical memory. (instant) | |
| Memory:MemTotal.*[kB] — Total physical memory. (instant) | |
| Memory:Mlocked.*[kB] — Memory locked by mlock. (instant) | |
| Memory:NFS_Unstable.*[kB] — NFS unstable writeback memory. (instant) | |
| Memory:PageTables.*[kB] — Memory used by page tables. (instant) | |
| Memory:SReclaimable.*[kB] — Reclaimable slab memory. (instant) | |
| Memory:SUnreclaim.*[kB] — Unreclaimable slab memory. (instant) | |
| Memory:Shmem.*[kB] — Shared memory usage. (instant) | |
| Memory:ShmemHugePages.*[kB] — Shared memory hugepages. (instant) | |
| Memory:ShmemPmdMapped.*[kB] — PMD-mapped shared memory. (instant) | |
| Memory:Slab.*[kB] — Kernel slab usage. (instant) | |
| Memory:SwapCached.*[kB] — Swap cached memory. (instant) | |
| Memory:SwapFree.*[kB] — Free swap space. (instant) | |
| Memory:SwapTotal.*[kB] — Total swap space. (instant) | |
| Memory:Unevictable.*[kB] — Unevictable pages. (instant) | |
| Memory:VmallocChunk.*[kB] — Largest contiguous vmalloc chunk. (instant) | |
| Memory:VmallocTotal.*[kB] — Total vmalloc address space. (instant) | |
| Memory:VmallocUsed.*[kB] — Vmalloc used. (instant) | |
| Memory:Writeback.*[kB] — Currently writing back pages. (instant) | |
| Memory:WritebackTmp.*[kB] — Temporary writeback usage. (instant) | |
| Memory:MemoryUtilization.*[%] — Memory utilization percent (sampled/derived). | |
| ## Storage (Storage: prefix) | |
| Storage:reads_completed_successfully.*[count] — Number of successful read operations (cumulative counter). | |
| Storage:reads_merged.*[count] — Number of merged read requests (cumulative counter). | |
| Storage:sectors_read.*[sectors] — Sectors read (cumulative counter). Multiply by sector size to get bytes. | |
| Storage:writes_completed.*[count] — Number of successful write operations (cumulative counter). | |
| Storage:writes_merged.*[count] — Number of merged write requests (cumulative counter). | |
| Storage:sectors_written.*[sectors] — Sectors written (cumulative counter). | |
| Storage:discards_completed_successfully.*[count] — Successful discard (trim) operations (cumulative counter). | |
| Storage:discards_merged.*[count] — Merged discard requests (cumulative counter). | |
| Storage:sectors_discarded.*[sectors] — Discarded sectors (cumulative). | |
| Storage:time_spent_reading_(ms).*[ms] — Total milliseconds spent on reads in sample window (sampled/aggregate). | |
| Storage:time_spent_writing_(ms).*[ms] — Total milliseconds spent on writes in sample window (sampled/aggregate). | |
| Storage:I/Os_currently_in_progress.*[count] — Current number of I/O operations in progress (instant). | |
| Storage:time_spent_doing_I/Os_(ms).*[ms] — Total milliseconds spent doing I/Os (sampled/aggregate). | |
| Storage:weighted_time_spent_doing_I/Os_(ms).*[ms] — Weighted I/O time metric (sampled/aggregate). | |
| Storage:time_spent_discarding.*[ms] — Milliseconds spent processing discard operations (sampled). | |
| ## GPU (device-specific fields; device index replaced by \<n\>) | |
| ###Device-specific fields | |
| GPU: pcie.link.gen.current.\<n\>.*[generation] — Current PCIe link generation between GPU \<n\> and host (categorical). | |
| GPU: pcie.link.width.current.\<n\>.*[lanes] — Current PCIe link width (lanes). | |
| GPU: accounting.buffer_size.\<n\>.*[MB] — Accounting buffer size used for GPU memory accounting (MB). (instant) | |
| GPU: fan.speed.\<n\>.*[%] — Fan speed percent or relative metric for GPU \<n\> (sampled). | |
| GPU: memory.used.\<n\>.*[MiB] — GPU memory used (MiB) (instant). | |
| GPU: memory.free.\<n\>.*[MiB] — GPU memory free (MiB) (instant). | |
| GPU: utilization.gpu.\<n\>.*[%] — GPU core utilization percent. (sampled) | |
| GPU: utilization.memory.\<n\>.*[%] — GPU memory subsystem utilization percent. (sampled) | |
| GPU: utilization.encoder.\<n\>.*[%] — Hardware encoder utilization. (sampled) | |
| GPU: utilization.decoder.\<n\>.*[%] — Hardware decoder utilization. (sampled) | |
| GPU: utilization.jpeg.\<n\>.*[%] — JPEG unit utilization. (sampled) | |
| GPU: utilization.ofa.\<n\>.*[%] — OFA unit utilization (if present). (sampled) | |
| GPU: encoder.stats.sessionCount.\<n\>.*[count] — Number of encoder sessions (cumulative or sampled, depending on collector). | |
| GPU: encoder.stats.averageFps.\<n\>.*[fps] — Average encoder FPS (sampled / aggregated). | |
| GPU: encoder.stats.averageLatency.\<n\>.*[ms] — Average encoder latency (ms) (sampled / aggregated). | |
| ###ECC / error counters | |
| GPU: ecc.errors.corrected.volatile.*.\<n\>.*[count] — Corrected ECC errors seen in volatile window for subcomponent (cumulative in window). | |
| GPU: ecc.errors.corrected.aggregate.*.\<n\>.*[count] — Aggregate (long-running) corrected ECC errors for subcomponent (cumulative). | |
| GPU: ecc.errors.uncorrected.volatile.*.\<n\>.*[count] — Uncorrected ECC errors in the recent window — critical to monitor (cumulative in window). | |
| GPU: ecc.errors.uncorrected.aggregate.*.\<n\>.*[count] — Aggregate uncorrected errors since stats origin (cumulative). | |
| ### Retired pages / reliability | |
| GPU: retired_pages.sbe.\<n\>.*[count] — Pages retired due to single-bit errors (cumulative). | |
| GPU: retired_pages.dbe.\<n\>.*[count] — Pages retired due to double-bit errors (cumulative; more severe). | |
| GPU: retired_pages.pending.\<n\>.*[count] — Pages pending retirement (cumulative / state count). | |
| ### Temperature / Power / Clocks / Protected memory | |
| GPU: temperature.gpu.\<n\>.*[C] — GPU die temperature (°C). (sampled) | |
| GPU: temperature.memory.\<n\>.*[C] — GPU memory temperature (°C). (sampled) | |
| GPU: power.draw.\<n\>.*[W] — GPU power draw (watts) for the sampling period (sampled). | |
| GPU: power.draw.average.\<n\>.*[W] — Average power draw (watts). (sampled/aggregate) | |
| GPU: power.draw.instant.\<n\>.*[W] — Instantaneous power draw reading (watts). (instant) | |
| GPU: clocks.current.graphics.\<n\>.*[MHz] — Current graphics clock frequency (MHz). (sampled) | |
| GPU: clocks.current.sm.\<n\>.*[MHz] — Current SM (compute) clock frequency (MHz). (sampled) | |
| GPU: clocks.current.memory.\<n\>.*[MHz] — Current memory clock (MHz). (sampled) | |
| GPU: clocks.current.video.\<n\>.*[MHz] — Current video engine clock (MHz). (sampled) | |
| GPU: protected_memory.total.\<n\>.*[MiB] — Total protected memory (MiB). (instant) | |
| GPU: protected_memory.used.\<n\>.*[MiB] — Protected memory used (MiB). (instant) | |
| GPU: protected_memory.free.\<n\>.*[MiB] — Protected memory free (MiB). (instant) | |
| ## Network (NetworkInterStat_diff: — per-interface; \<Interface\> placeholder) | |
| NetworkInterStat_diff:* fields are typically difference/delta values for the sample window (i.e., bytes/packets seen during the interval). Convert to rates by dividing by sampling duration if needed. | |
| ### Per-interface fields | |
| NetworkInterStat_diff:rx_bytes.\<Interface\>.*[Bytes] — Bytes received on \<Interface\> during sample window (delta). | |
| NetworkInterStat_diff:rx_packets.\<Interface\>.*[count] — Packets received during window (delta). | |
| NetworkInterStat_diff:rx_errs.\<Interface\>.*[count] — Receive errors in window (delta). | |
| NetworkInterStat_diff:rx_drop.\<Interface\>.*[count] — Received packets dropped in window (delta). | |
| NetworkInterStat_diff:rx_fifo.\<Interface\>.*[count] — RX FIFO errors in window (delta). | |
| NetworkInterStat_diff:rx_frame.\<Interface\>.*[count] — RX frame alignment errors in window (delta). | |
| NetworkInterStat_diff:rx_compressed.\<Interface\>.*[count] — Compressed Rx packets in window (delta). | |
| NetworkInterStat_diff:rx_multicast.\<Interface\>.*[count] — Multicast Rx packets in window (delta). | |
| NetworkInterStat_diff:tx_bytes.\<Interface\>.*[Bytes] — Bytes transmitted on \<Interface\> during window (delta). | |
| NetworkInterStat_diff:tx_packets.\<Interface\>.*[count] — Packets transmitted during window (delta). | |
| NetworkInterStat_diff:tx_errs.\<Interface\>.*[count] — Transmit errors in window (delta). | |
| NetworkInterStat_diff:tx_drop.\<Interface\>.*[count] — Transmit drops in window (delta). | |
| NetworkInterStat_diff:tx_fifo.\<Interface\>.*[count] — TX FIFO errors in window (delta). | |
| NetworkInterStat_diff:tx_colls.\<Interface\>.*[count] — TX collisions in window (delta). | |
| NetworkInterStat_diff:tx_carrier.\<Interface\>.*[count] — Carrier errors on TX in window (delta). | |
| NetworkInterStat_diff:tx_compressed.\<Interface\>.*[count] — Compressed Tx packets in window (delta). | |
| ### Network utilization aggregated | |
| NetworkInterStat_diff:NetworkUtilization.\<Interface\>.*[%] — Interface bandwidth utilization percent for the sample window (sampled / derived). | |
| ### Protocol & connection counts | |
| NetworkProtocolCounts:TCP.*[count] — Number of TCP connections (instant or sampled depending on collector). | |
| NetworkProtocolCounts:UDP.*[count] — Number of UDP endpoints/sockets (instant). | |
| NetworkProtocolCounts:UNIX.*[count] — Number of UNIX domain sockets (instant). | |
| NetworkProtocolCounts:RAW.*[count] — Raw sockets count (instant). | |
| NetworkProtocolCounts:DCCP.*[count] — DCCP sockets count (instant, if applicable). | |
| NetworkProtocolCounts:SCTP.*[count] — SCTP connections count (instant, if applicable). | |
| NetworkProtocolCounts:local_to.*[count] — Local-to connection count (collector-defined semantics). | |
| NetworkProtocolCounts:to_local.*[count] — To-local connection count (collector-defined semantics). | |
| NetworkProtocolCounts:total_connections.*[count] — Total tracked connections (instant / sampled). | |
| ### TCP retransmission metrics (delta) | |
| NetworkTCPRetrans_diff:TcpRetransSegs.*[count] — TCP retransmitted segments in the sample window (delta). | |
| NetworkTCPRetrans_diff:TcpExtTCPSynRetrans.*[count] — TCP SYN retransmissions in window (delta). | |
| NetworkTCPRetrans_diff:TcpExtTCPLostRetransmit.*[count] — Retransmissions that were subsequently lost (delta). |