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Merge pull request #55188 from mindprince/accelerator-monitoring
Automatic merge from submit-queue (batch tested with PRs 55798, 49579, 54862, 55188, 51990). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Add monitoring support for hardware accelerators Currently only NVIDIA GPU monitoring is implemented. Feature repo issue: https://github.com/kubernetes/features/issues/369 cAdvisor PR: https://github.com/google/cadvisor/pull/1762 /kind feature /sig node /sig instrumentation /area hw-accelerators **Release note**: ```release-note Kubelet now exposes metrics for NVIDIA GPUs attached to the containers. ``` Kubernetes-commit: 779105673ab2f00af9e02dc9ac3c6413588aeae4
This commit is contained in:
+30
-18
@@ -13,7 +13,6 @@
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package unix
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import (
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"sync/atomic"
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"syscall"
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"unsafe"
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)
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@@ -167,7 +166,7 @@ func Getwd() (wd string, err error) {
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func Getgroups() (gids []int, err error) {
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n, err := getgroups(0, nil)
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// Check for error and sanity check group count. Newer versions of
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// Check for error and sanity check group count. Newer versions of
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// Solaris allow up to 1024 (NGROUPS_MAX).
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if n < 0 || n > 1024 {
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if err != nil {
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@@ -351,7 +350,7 @@ func Futimesat(dirfd int, path string, tv []Timeval) error {
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}
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// Solaris doesn't have an futimes function because it allows NULL to be
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// specified as the path for futimesat. However, Go doesn't like
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// specified as the path for futimesat. However, Go doesn't like
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// NULL-style string interfaces, so this simple wrapper is provided.
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func Futimes(fd int, tv []Timeval) error {
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if tv == nil {
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@@ -515,6 +514,24 @@ func Acct(path string) (err error) {
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return acct(pathp)
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}
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//sys __makedev(version int, major uint, minor uint) (val uint64)
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func Mkdev(major, minor uint32) uint64 {
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return __makedev(NEWDEV, uint(major), uint(minor))
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}
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//sys __major(version int, dev uint64) (val uint)
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func Major(dev uint64) uint32 {
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return uint32(__major(NEWDEV, dev))
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}
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//sys __minor(version int, dev uint64) (val uint)
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func Minor(dev uint64) uint32 {
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return uint32(__minor(NEWDEV, dev))
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}
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/*
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* Expose the ioctl function
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*/
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@@ -561,6 +578,15 @@ func IoctlGetTermio(fd int, req uint) (*Termio, error) {
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return &value, err
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}
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//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
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func Poll(fds []PollFd, timeout int) (n int, err error) {
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if len(fds) == 0 {
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return poll(nil, 0, timeout)
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}
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return poll(&fds[0], len(fds), timeout)
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}
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/*
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* Exposed directly
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*/
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@@ -613,6 +639,7 @@ func IoctlGetTermio(fd int, req uint) (*Termio, error) {
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//sys Mlock(b []byte) (err error)
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//sys Mlockall(flags int) (err error)
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//sys Mprotect(b []byte, prot int) (err error)
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//sys Msync(b []byte, flags int) (err error)
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//sys Munlock(b []byte) (err error)
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//sys Munlockall() (err error)
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//sys Nanosleep(time *Timespec, leftover *Timespec) (err error)
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@@ -699,18 +726,3 @@ func Mmap(fd int, offset int64, length int, prot int, flags int) (data []byte, e
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func Munmap(b []byte) (err error) {
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return mapper.Munmap(b)
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}
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//sys sysconf(name int) (n int64, err error)
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// pageSize caches the value of Getpagesize, since it can't change
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// once the system is booted.
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var pageSize int64 // accessed atomically
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func Getpagesize() int {
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n := atomic.LoadInt64(&pageSize)
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if n == 0 {
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n, _ = sysconf(_SC_PAGESIZE)
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atomic.StoreInt64(&pageSize, n)
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}
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return int(n)
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}
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