Path is a helper function to get configfs path.

NewFS returns a new FS mounted under the given mountPoint. It will error if the mount point can't be read.

Err returns the last error, if any, encountered by the ValueParser.

Proc returns a process for the given pid.

ReadFileNoStat uses io.ReadAll to read contents of entire file. This is similar to os.ReadFile but without the call to os.Stat, because many files in

SysReadFile is here implemented as a noop for builds that do not support the read syscall. For example Windows, or Linux on Google App Engine.

NewFS returns a new proc FS mounted under the given proc mountPoint. It will error if the mount point directory can't be read or is a file.

Stat returns information about current cpu/process statistics. See: https://www.kernel.org/doc/Documentation/filesystems/proc.txt

NewValueParser creates a ValueParser using the input string.

ReadUintFromFile reads a file and attempts to parse a uint64 from it.

PUInt64 interprets the underlying value as an uint64 and returns a pointer to that value.

NewFS returns a new blockdevice fs using the given mountPoints for proc and sys. It will error if either of these mount points can't be read.

NewStatus returns the current status information of the process.

PInt64 interprets the underlying value as an int64 and returns a pointer to that value.

NewFS returns a new FS mounted under the given mountPoint. It will error if the mount point can't be read.

canIgnoreError returns true if the error is non-fatal and can be ignored. Some kernels and some devices don't expose specific attributes or return err

firstNonEmptyLine advances the scanner to the first non-empty line and returns the contents of that line.

NewFS returns a new FS mounted under the given mountPoint. It will error if the mount point can't be read.

Reads each line of the mountinfo file, and returns a list of formatted MountInfo structs.

SASPortClass parses ports in /sys/class/sas_port. A SAS port in this context is a collection of SAS PHYs operating together. For example, it's commo

SysBlockDevices lists the device names from /sys/block/<dev>.

readMountInfo reads a full mountinfo file (no 1 MiB cap, unlike parsers.ReadFileNoStat).

GetByName returns the SASPhy with the provided name.

Int interprets the underlying value as an int and returns that value.

NVMeClass returns info for all NVMe devices read from /sys/class/nvme.

NetClassDevices scans /sys/class/net for devices and returns them as a list of names.

NetClassPCIDevice returns the PciDevice backing the given network interface by resolving the /sys/class/net/<iface>/device symlink and parsing the cor

NewFS returns a new FS mounted under the given mountPoint. It will error if the mount point can't be read.

ParseStats parses a Stats from an input io.Reader, using the format found in /proc/fs/xfs/stat.

SASDeviceClass parses devices in /sys/class/sas_device.

SASHostClass parses host[0-9]+ devices in /sys/class/sas_host. This generally only exists so that it can pull in SAS Port and SAS PHY entries. The sa

Dehumanize converts a human-readable byte slice into a uint64.

parseMountStats parses a /proc/[pid]/mountstats file and returns a slice of Mount structures containing detailed information about each mount. If avai

parseNetIPSocketLine parses a single line, represented by a list of fields.

readValues reads a number of numerical values into an uint64 slice.

AllThreads returns a list of all currently available threads for PID.

CPUs returns a slice of all CPUs in `/sys/devices/system/cpu`.

GetByPhy finds the SASHost that contains the provided PHY name.

GetPowerMeters returns a slice of PowerMeter, one for each ACPI 4.0 power meter discovered via /sys/bus/acpi/drivers/power_meter/. Returns nil, nil wh

GetRaplZones returns a slice of RaplZones. When RAPL files are not present, returns nil with error. - https://www.kernel.org/doc/Documentation/power/p

NVMeSubsystemClass returns info for all NVMe subsystems read from sys/class/nvme-subsystem.

NetClassByIface returns info for a single net interfaces (iface).

ParseUint64s parses a slice of strings into a slice of uint64s.

Schedstat returns task scheduling information for the process.

newNetTCP creates a new NetTCP{,6} from the contents of the given file.

newNetUDP creates a new NetUDP{,6} from the contents of the given file.

Reads the contents of a conntrack statistics file and parses a slice of ConntrackStatEntries.

Parses a mountinfo file line, and converts it to a MountInfo struct. An important check here is to see if the hyphen separator, as if it does not exis

sasDeviceClasses reads all of the SAS devices from a specific set of /sys/class/sas*/ entries. The sas_device, sas_end_device, and sas_expander class

readSockstat opens and parses a NetSockstat from the input file.

AllProcs returns a list of all currently available processes.

Crypto parses an crypto-file (/proc/crypto) and returns a slice of structs containing the relevant info. More information available here: https://ker

DMMultipathDevices discovers DM-multipath devices by scanning sys/block/dm-* and filtering on dm/uuid prefix "mpath-". It returns a slice of DMMultip

FileDescriptorsInfo retrieves information about all file descriptors of the process.

GetByPort finds the SASHost that contains the provided SAS Port name.

InfiniBandClass returns info for all InfiniBand devices read from sys/class/infiniband.

InfiniBandClassDevices returns the names of the InfiniBand devices found in sys/class/infiniband without reading any device attributes or counters.

InfiniBandDevice returns info for a single InfiniBand device read from sys/class/infiniband/<Name>.

L3MonInfo returns the L3 monitoring capabilities of the CPU. It errors if info/L3_MON is missing, which means the CPU or the kernel does not support

Limits returns the current soft limits of the process.

MonData returns the monitoring counters of the root control group, one entry per monitoring domain. A domain is a socket, or a CCX on AMD. It errors

NetDev returns kernel/system statistics read from /proc/net/dev.

Returns kernel/system statistics read from interface files within the /proc/net/dev_snmp6/ directory.

NetSoftnetStat reads data from /proc/net/softnet_stat.

NewFS returns a new Btrfs filesystem using the given sys fs mount point. It will error if the mount point can't be read.

NewFS returns a new Bcache using the given sys fs mount point. It will error if the mount point can't be read.

NewFS returns a new Bcachefs filesystem using the given sys fs mount point. It will error if the mount point can't be read.

NewTLSStat reads the tls_stat statistics.

NewXfrmStat reads the xfrm_stat statistics from the 'proc' filesystem.

ParseBool parses a string into a boolean pointer.

ParseClientRPCStats returns stats read from /proc/net/rpc/nfs.

parses the ECN enable directory. It takes a path which should be a directory. This directory should have filenames that are uint8 and the content of t

ParseEcnIfaceInfo scans predefined files in /sys/class/net/<iface>/ecn directory and gets their contents.

ParseServerRPCStats returns stats read from /proc/net/rpc/nfsd.

Utility function that given a path will return if the path is a dir or not.

PciDeviceVFAddress returns the PCI BDF address of a Virtual Function by resolving the virtfn symlink at /sys/bus/pci/devices/<bdf>/virtfn<vfIndex>.

ProcMaps reads from /proc/[pid]/maps to get the memory-mappings of the process.

ProcSMapsRollup reads from /proc/[pid]/smaps_rollup to get summed memory information of the process. If smaps_rollup does not exists (require kernel

ProcStat retrieves XFS filesystem runtime statistics from proc/fs/xfs/stat given the profs mount point.

SASPhyClass parses entries in /sys/class/sas_phy.

Self returns a process for the current process.

Stat returns the current status information of the process.

Statm returns the current memory usage information of the process.