Description of problem: We can see from codes, blk_account_io_done and blk_account_io_start are inline. so we should remove them from bpftrace tools , such as "./biolatency.bt" * static inline void blk_account_io_done(struct request *req, u64 now){ * if (blk_do_io_stat(req) && req->part && * !(req->rq_flags & RQF_FLUSH_SEQ)) * __blk_account_io_done(req, now); *} */ * static inline void blk_account_io_start(struct request *req){ * if (blk_do_io_stat(req)) * __blk_account_io_start(req); *} Version-Release number of selected component (if applicable): bpftrace-0.16.0-2.el9 How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: