en Copyright 2015 Java http://kernelsources.org:8080/source/history/freebsd/tests/sys/pmc/pmc_api_test.c#17fca802ded118102d04a7a0bbc0c076de18c4d8 hwpmc: add tests for handle validation and the privilege boundariesA pmc_id_t is a packed integer that the driver hands to userland andaccepts back on eleven operations, and nothing tested what happens whenone comes back forged, stale, or belonging to another process. Neitherwas there a test that an unprivileged caller is refused the operationsthat need a privilege.The cases use a SOFT-class PMC wherever the counter itself does notmatter, so they run on a machine with no PMU.MFC after: 1 monthMFC to: stable/15MFC to: stable/14Assisted-by: Claude Code (Opus 5) List of files: /freebsd/tests/sys/pmc/pmc_api_test.c Tue, 25 Aug 2026 20:55:23 +0200 Alexander Leidinger <netchild@FreeBSD.org>