[llvm] [llvm-profgen] Add support for Linux kenrel profile (PR #92831)

[via llvm-commits]

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@@ -428,6 +431,14 @@ class ProfiledBinary {
 
   bool usePseudoProbes() const { return UsePseudoProbes; }
   bool useFSDiscriminator() const { return UseFSDiscriminator; }
+  bool isKernel() const { return IsKernel; }
+
+  bool isKernelImageName(StringRef BinaryName) const {
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xur-llvm wrote:

getName() would return the binary name of the kernel image, typically vmlinux, or a name with version info, like vmlinux-6.8.0-smp-1201.1.889.0. The image name from perf command is in of the forms in this function.

https://github.com/llvm/llvm-project/pull/92831