Hi Hans, Please check the pull request for intel-speed-select tool. To build the tool, we have dependency on linux-next commit https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/thermal?h=next-20220215&id=e4b1eb24ce5a696ef7229f9926ff34d7502f0582 The following changes since commit ae707d0eb707b5fc658e870dbd8b21887b0a5240: platform/x86: intel_cht_int33fe: Move to intel directory (2022-02-11 10:52:56 +0100) are available in the Git repository at: https://github.com/spandruvada/linux-kernel.git intel-sst for you to fetch changes up to 9aa7f0d5fe526cb9ceeea0787db0dc1c081bc61d: tools/power/x86/intel-speed-select: v1.12 release (2022-02-15 11:12:55 -0800) ---------------------------------------------------------------- Srinivas Pandruvada (3): tools/power/x86/intel-speed-select: OOB daemon mode tools/power/x86/intel-speed-select: HFI support tools/power/x86/intel-speed-select: v1.12 release tools/power/x86/intel-speed-select/Build | 2 +- tools/power/x86/intel-speed-select/Makefile | 10 +++- tools/power/x86/intel-speed-select/hfi-events.c | 309 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++ tools/power/x86/intel-speed-select/isst-config.c | 54 ++++++++++++++- --- tools/power/x86/intel-speed-select/isst-daemon.c | 244 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++ tools/power/x86/intel-speed-select/isst.h | 13 +++++ 6 files changed, 617 insertions(+), 15 deletions(-) create mode 100644 tools/power/x86/intel-speed-select/hfi-events.c create mode 100644 tools/power/x86/intel-speed-select/isst-daemon.c Thanks, Srinivas