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Node_Exporter/CHANGELOG.md
Ralf Horstmann 9f820bd3ee Update cpu collector for OpenBSD 6.4 (#1094) 
Starting with (not yet released) OpenBSD 6.4, sysctl KERN_CPTIME2 will
return ENODEV for offline CPUs.

SMT siblings are reported as offline when hw.smt is disabled, which is
the default since one of the later Spectre variants. So this might
affect a few systems.

For more details see:
https://cvsweb.openbsd.org/src/sys/kern/kern_sysctl.c#rev1.348

Signed-off-by: Ralf Horstmann <ralf+github@ackstorm.de>
2018-10-02 10:21:30 +02:00

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## master / unreleased
### **Breaking changes**
supvervisord collector reports "start_time_seconds" rather than "uptime"
The wifi collector is disabled by default due to suspected caching issues and goroutine leaks.
* https://github.com/prometheus/node_exporter/issues/870
* https://github.com/prometheus/node_exporter/issues/1008
Darwin meminfo metrics have been renamed to match Prometheus conventions. #1060
### Changes
* [CHANGE] Filter out non-installed units when collecting all systemd units #1011
* [CHANGE] `service_restart_total` and `socket_refused_connections_total` will not be reported if you're running an older version of systemd
* [FEATURE] Collect NRefused property for systemd socket units (available as of systemd v239)
* [FEATURE] Collect NRestarts property for systemd service units
* [FEATURE] Add socket unit stats to systemd collector #968
* [FEATURE] Collect start time for systemd units
* [ENHANCEMENT]
* [BUGFIX] Fix goroutine leak in supervisord collector
* [BUGFIX] Systemd units will not be ignored if you're running older versions of systemd #1039
* [BUGFIX] Handle vanishing PIDs #1043
* [BUGFIX] Correctly cast Darwin memory info #1060
* [BUGFIX] Filter systemd units in Go for compatibility with older versions #1083
* [BUGFIX] Update cpu collector for OpenBSD 6.4
## 0.16.0 / 2018-05-15
**Breaking changes**
This release contains major breaking changes to metric names. Many metrics have new names, labels, and label values in order to conform to current naming conventions.
* Linux node_cpu metrics now break out `guest` values into separate metrics. See Issue #737
* Many counter metrics have been renamed to include `_total`.
* Many metrics have been renamed/modified to include base units, for example `node_cpu` is now `node_cpu_seconds_total`.
In order to help with the transition we have an [upgrade guide](docs/V0_16_UPGRADE_GUIDE.md).
Other breaking changes:
* The megacli collector has been removed, is now replaced by the storcli.py textfile helper.
* The gmond collector has been removed.
* The textfile collector will now treat timestamps as errors.
* [CHANGE] Split out guest cpu metrics on Linux. #744
* [CHANGE] Exclude Linux proc from filesystem type regexp #774
* [CHANGE] Ignore more virtual filesystems #775
* [CHANGE] Remove obsolete megacli collector. #798
* [CHANGE] Ignore /var/lib/docker by default. #814
* [CHANGE] Cleanup NFS metrics #834
* [CHANGE] Only report core throttles per core, not per cpu #836
* [CHANGE] Treat custom textfile metric timestamps as errors #769
* [CHANGE] Use lowercase cpu label name in interrupts #849
* [CHANGE] Enable bonding collector by default. #872
* [CHANGE] Greatly reduce the metrics vmstat returns by default. #874
* [CHANGE] Greatly trim what netstat collector exposes by default #876
* [CHANGE] Drop `exec_` prefix and move `node_boot_time_seconds` from `exec` to new `boottime` collector and enable for Darwin/Dragonfly/FreeBSD/NetBSD/OpenBSD. #839, #901
* [CHANGE] Remove depreated gmond collector #852
* [CHANGE] align Darwin disk stat names with Linux #930
* [FEATURE] Add `collect[]` parameter #699
* [FEATURE] Add text collector conversion for ipmitool output. #746
* [FEATURE] Add openbsd meminfo #724
* [FEATURE] Add systemd summary metrics #765
* [FEATURE] Add OpenBSD CPU collector #805
* [FEATURE] Add NFS Server metrics collector. #803
* [FEATURE] add sample directory size exporter #789
* [ENHANCEMENT] added Wear_Leveling_Count attribute to smartmon.sh script #707
* [ENHANCEMENT] Simplify Utsname string conversion #716
* [ENHANCEMENT] apt.sh: handle multiple origins in apt-get output #757
* [ENHANCEMENT] Export systemd timers last trigger seconds. #807
* [ENHANCEMENT] updates for zfsonlinux 0.7.5 #779
* [BUGFIX] Fix smartmon.sh textfile script #700
* [BUGFIX] netdev: Change valueType to CounterValue #749
* [BUGFIX] textfile: fix duplicate metrics error #738
* [BUGFIX] Fix panic by updating github.com/ema/qdisc dependency #778
* [BUGFIX] Use uint64 in the ZFS collector #714
* [BUGFIX] multiply page size after float64 coercion to avoid signed integer overflow #780
* [BUGFIX] smartmon: Escape double quotes in device model family #772
* [BUGFIX] Fix log level regression in #533 #815
* [BUGFIX] Correct the ClocksPerSec scaling factor on Darwin #846
* [BUGFIX] Count core throttles per core and per package #871
* [BUGFIX] Fix netdev collector for linux #890 #910
* [BUGFIX] Fix memory corruption when number of filesystems > 16 on FreeBSD #900
* [BUGFIX] Fix parsing of interface aliases in netdev linux #904
## 0.15.2 / 2017-12-06
* [BUGFIX] cpu: Support processor-less (memory-only) NUMA nodes #734
## 0.15.1 / 2017-11-07
* [BUGFIX] xfs: expose correct fields, fix metric names #708
* [BUGFIX] Correct buffer_bytes > INT_MAX on BSD/amd64. #712
* [BUGFIX] netstat: return nothing when /proc/net/snmp6 not found #718
* [BUGFIX] Fix off by one in Linux interrupts collector #721
* [BUGFIX] Add and use sysReadFile in hwmon collector #728
## 0.15.0 / 2017-10-06
**Breaking changes**
This release contains major breaking changes to flag handling.
* The flag library has been changed, all flags now require double-dashs. (`-foo` becomes `--foo`).
* The collector selection flag has been replaced by individual boolean flags.
* The `-collector.procfs` and `-collector.sysfs` flags have been renamed to `--path.procfs` and `--path.sysfs` respectively.
The `ntp` collector has been replaced with a new NTP-based check that is designed to expose the state of a localhost NTP server rather than provide the offset of the node to a remote NTP server. By default the `ntp` collector is now locked to localhost. This is to avoid accidental spamming of public internet NTP pools.
Windows support is now removed, the [wmi_exporter](https://github.com/martinlindhe/wmi_exporter) is recommended as a replacement.
* [CHANGE] `node_cpu` metrics moved from `stats` to `cpu` collector on linux (enabled by default). #548
* [CHANGE] Blacklist systemd scope units #534
* [CHANGE] Remove netbsd/arm #551
* [CHANGE] Remove Windows support #549
* [CHANGE] Enable IPVS collector by default #623
* [CHANGE] Switch to kingpin flags #639
* [CHANGE] Replace --collectors.enabled with per-collector flags #640
* [FEATURE] Add ARP collector for Linux #540
* [FEATURE] Add XFS colector for Linux #568, #575
* [FEATURE] Add qdisc collector for Linux #580
* [FEATURE] Add cpufreq stats for Linux #548
* [FEATURE] Add diskstats for Darwin #593
* [FEATURE] Add bcache collector for Linux #597
* [FEATURE] Add parsing /proc/net/snmp6 file for Linux #615
* [FEATURE] Add timex collector for Linux #664
* [ENHANCEMENT] Include overal health status in smartmon.sh example script #546
* [ENHANCEMENT] Include `guest_nice` in CPU collector #554
* [ENHANCEMENT] Add exec_boot_time for freebsd, dragonfly #550
* [ENHANCEMENT] Get full resolution for node_time #555
* [ENHANCEMENT] infiniband: Multiply port data XMIT/RCV metrics by 4 #579
* [ENHANCEMENT] cpu: Metric 'package_throttles_total' is per package. #657
* [BUGFIX] Fix stale device error metrics #533
* [BUGFIX] edac: Fix typo in node_edac_csrow_uncorrectable_errors_total #564
* [BUGFIX] Use int64 throughout the ZFS collector #653
* [BUGFIX] Silently ignore nonexisting bonding_masters file #569
* [BUGFIX] Change raid0 status line regexp for mdadm collector (bug #618) #619
* [BUGFIX] Ignore wifi collector permission errors #646
* [BUGFIX] Always try to return smartmon_device_info metric #663
## 0.14.0 / 2017-03-21
NOTE: We are deprecating several collectors in this release.
* `gmond` - Out of scope.
* `megacli` - Requires forking, to be moved to textfile collection.
* `ntp` - Out of scope.
Breaking changes:
* Collector errors are now a separate metric, `node_scrape_collector_success`, not a label on `node_exporter_scrape_duration_seconds` (#516)
* [CHANGE] Report collector success/failure as a bool metric, not a label. #516
* [FEATURE] Add loadavg collector for Solaris #311
* [FEATURE] Add StorCli text collector example script #320
* [FEATURE] Add collector for Linux EDAC #324
* [FEATURE] Add text file utility for SMART metrics #354
* [FEATURE] Add a collector for NFS client statistics. #360
* [FEATURE] Add mountstats collector for detailed NFS statistics #367
* [FEATURE] Add a collector for DRBD #365
* [FEATURE] Add cpu collector for darwin #391
* [FEATURE] Add netdev collector for darwin #393
* [FEATURE] Collect CPU temperatures on FreeBSD #397
* [FEATURE] Add ZFS collector #410
* [FEATURE] Add initial wifi collector #413
* [FEATURE] Add NFS event metrics to mountstats collector #415
* [FEATURE] Add an example rules file #422
* [FEATURE] infiniband: Add new collector for InfiniBand statistics #450
* [FEATURE] buddyinfo: Add support for /proc/buddyinfo for linux free memory fragmentation. #454
* [IMPROVEMENT] hwmon: Provide annotation metric to link chip sysfs paths to human-readable chip types #359
* [IMPROVEMENT] Add node_filesystem_device_errors_total metric #374
* [IMPROVEMENT] Add runit service dir flag #375
* [IMPROVEMENT] Improve Docker documentation #376
* [IMPROVEMENT] Ignore autofs filesystems on linux #384
* [IMPROVEMENT] Replace some FreeBSD collectors with pure Go versions #385
* [IMPROVEMENT] Use filename as label, move 'label' to own metric #411 (hwmon)
* [BUGFIX] mips64 build fix #361
* [BUGFIX] Update vendoring #372 (to fix #242)
* [BUGFIX] Convert remaining collectors to use ConstMetrics #389
* [BUGFIX] Check for errors in netdev scanner #398
* [BUGFIX] Don't leak or race in FreeBSD devstat collector #396
* [BUGFIX] Allow graceful failure in hwmon collector #427
* [BUGFIX] Fix the reporting of active+total disk metrics for inactive raids. #522
## 0.13.0 / 2016-11-26
NOTE: We have disabled builds of linux/ppc64 and linux/ppc64le due to build bugs.
* [FEATURE] Add flag to ignore certain filesystem types (Copy of #217) #241
* [FEATURE] Add NTP stratum to NTP collector. #247
* [FEATURE] Add ignored-units flag for systemd collector #286
* [FEATURE] Compile netdev on dragonfly #314
* [FEATURE] Compile meminfo for dfly #315
* [FEATURE] Add hwmon /sensors support #278
* [FEATURE] Add Linux NUMA "numastat" metrics #249
* [FEATURE] export DragonFlyBSD CPU time #310
* [FEATURE] Dragonfly devstat #323
* [IMPROVEMENT] Use the offset calculation that includes round trip time in the ntp collector #250
* [IMPROVEMENT] Enable `*bsd` collector on darwin #265
* [IMPROVEMENT] Use meminfo_freebsd on darwin as well #266
* [IMPROVEMENT] sockstat: add support for RHE4 #267
* [IMPROVEMENT] Compile fs stats for dfly #302
* [BUGFIX] Add support for raid0 devices in mdadm_linux collector. #253
* [BUGFIX] Close file handler in textfile #263
* [BUGFIX] Ignore partitions on NVME devices by default #268
* [BUGFIX] Fix mdstat tabs parsing #275
* [BUGFIX] Fix mdadm collector for resync=PENDING. #309
* [BUGFIX] mdstat: Fix parsing of RAID0 lines that contain additional attributes. #341
* [BUGFIX] Fix additional mdadm parsing cases #346
## 0.12.0 / 2016-05-05
* [CHANGE] Remove lastlogin collector.
* [CHANGE] Remove -debug.memprofile-file flag.
* [CHANGE] Sync BSD filesystem collector labels with Linux.
* [CHANGE] Remove HTTP Basic Auth support.
* [FEATURE] Add -version flag.
* [FEATURE] Add Linux logind collector.
* [FEATURE] Add Linux ksmd collector.
* [FEATURE] Add Linux memory NUMA collector.
* [FEATURE] Add Linux entropy collector.
* [FEATURE] Add Linux vmstat collector.
* [FEATURE] Add Linux conntrack collector.
* [FEATURE] Add systemd collector.
* [FEATURE] Add OpenBSD support for filesystem, interrupt and netdev collectors.
* [FEATURE] Add supervisord collector.
* [FEATURE] Add Linux /proc/mdstat collector.
* [FEATURE] Add Linux uname collector.
* [FEATURE] Add Linux /proc/sys/fs/file-nr collector.
* [FEATURE] Add Linux /proc/net/sockstat collector.
* [IMPROVEMENT] Provide statically linked Linux binaries.
* [IMPROVEMENT] Remove root requirement for FreeBSD CPU metrics.
* [IMPROVEMENT] Add node_exporter build info metric.
* [IMPROVEMENT] Add disk bytes read/written metrics on Linux.
* [IMPROVEMENT] Add filesystem read-only metric.
* [IMPROVEMENT] Use common Prometheus log formatting.
* [IMPROVEMENT] Add option to specify NTP protocol version.
* [IMPROVEMENT] Handle statfs errors gracefully for individual filesystems.
* [IMPROVEMENT] Add load5 and load15 metrics to loadavg collector.
* [IMPROVEMENT] Add end-to-end tests.
* [IMPROVEMENT] Export FreeBSD CPU metrics to seconds.
* [IMPROVEMENT] Add flag to configure sysfs mountpoint.
* [IMPROVEMENT] Add flag to configure procfs mountpoint.
* [IMPROVEMENT] Add metric for last service state change to runit collector.
* [BUGFIX] Fix FreeBSD netdev metrics on 64 bit systems.
* [BUGFIX] Fix mdstat for devices in delayed resync state.
* [BUGFIX] Fix Linux stat metrics on parallel scrapes.
* [BUGFIX] Remove unavailable collectors from defaults.
* [BUGFIX] Fix build errors on FreeBSD, OpenBSD, Darwin and Windows.
* [BUGFIX] Fix build errors on 386, arm, arm64, ppc64 and ppc64le architectures.
* [BUGFIX] Fix export of stale metrics for removed filesystem and network devices.
* [BUGFIX] textfile: Fix mtime reporting.
* [BUGFIX] megacli: prevent crash when drive temperature is N/A
## 0.11.0 / 2015-07-27
* [FEATURE] Add stats from /proc/net/snmp.
* [FEATURE] Add support for FreeBSD.
* [FEATURE] Allow netdev devices to be ignored.
* [MAINTENANCE] New Dockerfile for unified way to dockerize Prometheus exporters.
* [FEATURE] Add device,fstype collection to the filesystem exporter.
* [IMPROVEMENT] Make logging of collector executions less verbose.
## 0.10.0 / 2015-06-10
* [CHANGE] Change logging output format and flags.
## 0.9.0 / 2015-05-26
* [BUGFIX] Fix `/proc/net/dev` parsing.
* [CLEANUP] Remove the `attributes` collector, use `textfile` instead.
* [CLEANUP] Replace last uses of the configuration file with flags.
* [IMPROVEMENT] Remove cgo dependency.
* [IMPROVEMENT] Sort collector names when printing.
* [FEATURE] IPVS stats collector.
## 0.8.1 / 2015-05-17
* [MAINTENANCE] Use the common Prometheus build infrastructure.
* [MAINTENANCE] Update former Google Code imports.
* [IMPROVEMENT] Log the version at startup.
* [FEATURE] TCP stats collector
## 0.8.0 / 2015-03-09
* [CLEANUP] Introduced semantic versioning and changelog. From now on,
changes will be reported in this file.
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