Add timer for walker log #7392

Job	Run time
macos (macOS-GCC14-NoMPI-Real)	18m 34s
spack-centos-stream (GCC11-NoMPI-Debug-Real)	19m 8s
linux (GCC9-NoMPI-Debug-Real)	16m 42s
linux (GCC9-NoMPI-NoOMP-Real)	16m 32s
spack-centos-stream (GCC11-NoMPI-NoOMP-Real)	18m 8s
linux (GCC9-NoMPI-NoOMP-Complex)	15m 23s
spack-centos-stream (GCC11-NoMPI-NoOMP-Complex)	18m 6s
linux (GCC9-MPI-Sandbox-Real)	3m 44s
spack-centos-stream (GCC11-NoMPI-Sandbox-Real)	4m 22s
linux (GCC9-NoMPI-Sandbox-Complex)	3m 48s
linux (GCC9-MPI-Gcov-Real)	25m 32s
linux (GCC9-MPI-Gcov-Complex)	28m 4s
linux (GCC12-NoMPI-Werror-Real)	18m 54s
linux (GCC12-NoMPI-Werror-Complex)	19m 10s
linux (GCC12-NoMPI-Werror-Real-Mixed)	18m 12s
linux (GCC12-NoMPI-Werror-Complex-Mixed)	18m 17s
linux (Clang14-NoMPI-ASan-Real)	25m 49s
linux (Clang14-NoMPI-ASan-Complex)	28m 46s
linux (Clang14-NoMPI-UBSan-Real)	25m 8s
linux (Clang16-NoMPI-Offload-Real)	23m 5s
linux (Clang16-NoMPI-Offload-Complex)	22m 45s
	6h 28m 9s

Provide feedback