ior - I/O Riot NG is an experiment with BPF.

Age	Commit message (Collapse)	Author
2026-06-01	test(integration): add SysV msg/sem tracing coverage	Paul Buetow
	Add sysv-msg-basic and sysv-sem-basic ioworkload scenarios that exercise the SysV message-queue and semaphore families end-to-end via raw syscalls, mirroring the existing sysv-shm-basic scenario. sysv-msg-basic: msgget(IPC_PRIVATE) -> msgsnd -> msgrcv -> msgctl(IPC_RMID), using a struct msgbuf {int64 mtype; [16]byte mtext} and msgsz = body length (excluding mtype). sysv-sem-basic: semget(IPC_PRIVATE, 1) -> semop(+1) -> semop(-1) -> semctl(IPC_RMID), incrementing before decrementing so the operation can never block. Both defer IPC_RMID right after the get so no kernel IPC object leaks even on partial failure. Add TestSysVMsgBasic and TestSysVSemBasic asserting the enter_ events for msgget/msgsnd/msgrcv/msgctl and semget/semop/semctl are traced with MinCount>=1 and positive duration, plus PID/comm hermetic guards. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-01	test(integration): add SysV shm tracing coverage	Paul Buetow
	The SysV shared-memory family (shmget/shmat/shmdt/shmctl) had no end-to-end integration coverage. Add an ioworkload `sysv-shm-basic` scenario that, without privileges, runs shmget(IPC_PRIVATE) -> shmat -> write into the mapped segment -> shmdt -> shmctl(IPC_RMID), always issuing IPC_RMID (via defer) so no kernel segment leaks. Add TestSysVShmBasic asserting enter_shmget/enter_shmat/enter_shmdt/ enter_shmctl are each traced with a positive (paired enter/exit) duration. msg/sem coverage is scoped out and tracked as a follow-up task (7i0). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>