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

vendor/golang.org/x/sys/unix/zptracearm_linux.go

@@ -0,0 +1,41 @@
+// Code generated by linux/mkall.go generatePtracePair(arm, arm64). DO NOT EDIT.
+
+// +build linux
+// +build arm arm64
+
+package unix
+
+import "unsafe"
+
+// PtraceRegsArm is the registers used by arm binaries.
+type PtraceRegsArm struct {
+	Uregs [18]uint32
+}
+
+// PtraceGetRegsArm fetches the registers used by arm binaries.
+func PtraceGetRegsArm(pid int, regsout *PtraceRegsArm) error {
+	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+}
+
+// PtraceSetRegsArm sets the registers used by arm binaries.
+func PtraceSetRegsArm(pid int, regs *PtraceRegsArm) error {
+	return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+}
+
+// PtraceRegsArm64 is the registers used by arm64 binaries.
+type PtraceRegsArm64 struct {
+	Regs   [31]uint64
+	Sp     uint64
+	Pc     uint64
+	Pstate uint64
+}
+
+// PtraceGetRegsArm64 fetches the registers used by arm64 binaries.
+func PtraceGetRegsArm64(pid int, regsout *PtraceRegsArm64) error {
+	return ptrace(PTRACE_GETREGS, pid, 0, uintptr(unsafe.Pointer(regsout)))
+}
+
+// PtraceSetRegsArm64 sets the registers used by arm64 binaries.
+func PtraceSetRegsArm64(pid int, regs *PtraceRegsArm64) error {
+	return ptrace(PTRACE_SETREGS, pid, 0, uintptr(unsafe.Pointer(regs)))
+}