systemd-pcrphase.service(8) on Linux
The text 81cb55056256, as Debian 13 (Trixie) shipped it.
Measure boot phase into TPM2 PCR 11, machine ID and file system identity into PCR 15
Flags it lists
-
--graceful -
--help -
--machine-id -
--tpm2-device -
--version -
-h