lightnvm: pblk: add tracing for chunk resets (4209c31c) · Commits · 戴 / test

drivers/lightnvm/pblk-core.c

+12 −0

Original line number	Diff line number	Diff line
		@@ -90,9 +90,15 @@ static void __pblk_end_io_erase(struct pblk pblk, struct nvm_rq rqd)
		atomic_dec(&line->left_seblks);

		if (rqd->error) {
		trace_pblk_chunk_reset(pblk_disk_name(pblk),
		&rqd->ppa_addr, PBLK_CHUNK_RESET_FAILED);

		chunk->state = NVM_CHK_ST_OFFLINE;
		pblk_mark_bb(pblk, line, rqd->ppa_addr);
		} else {
		trace_pblk_chunk_reset(pblk_disk_name(pblk),
		&rqd->ppa_addr, PBLK_CHUNK_RESET_DONE);

		chunk->state = NVM_CHK_ST_FREE;
		}

		@@ -923,6 +929,9 @@ static int pblk_blk_erase_sync(struct pblk *pblk, struct ppa_addr ppa)
		struct nvm_rq rqd = {NULL};
		int ret;

		trace_pblk_chunk_reset(pblk_disk_name(pblk), &ppa,
		PBLK_CHUNK_RESET_START);

		pblk_setup_e_rq(pblk, &rqd, ppa);

		/* The write thread schedules erases so that it minimizes disturbances
		@@ -1736,6 +1745,9 @@ int pblk_blk_erase_async(struct pblk *pblk, struct ppa_addr ppa)
		rqd->end_io = pblk_end_io_erase;
		rqd->private = pblk;

		trace_pblk_chunk_reset(pblk_disk_name(pblk),
		&ppa, PBLK_CHUNK_RESET_START);

		/* The write thread schedules erases so that it minimizes disturbances
		* with writes. Thus, there is no need to take the LUN semaphore.
		*/

+31 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,37 @@ struct ppa_addr;
		{ PBLK_STATE_RECOVERING, "RECOVERING", }, \
		{ PBLK_STATE_STOPPED, "STOPPED" })

		#define show_chunk_erase_state(state) __print_symbolic(state, \
		{ PBLK_CHUNK_RESET_START, "START", }, \
		{ PBLK_CHUNK_RESET_DONE, "OK", }, \
		{ PBLK_CHUNK_RESET_FAILED, "FAILED" })


		TRACE_EVENT(pblk_chunk_reset,

		TP_PROTO(const char name, struct ppa_addr ppa, int state),

		TP_ARGS(name, ppa, state),

		TP_STRUCT__entry(
		__string(name, name)
		__field(u64, ppa)
		__field(int, state);
		),

		TP_fast_assign(
		__assign_str(name, name);
		__entry->ppa = ppa->ppa;
		__entry->state = state;
		),

		TP_printk("dev=%s grp=%llu pu=%llu chk=%llu state=%s", __get_str(name),
		(u64)(((struct ppa_addr *)(&__entry->ppa))->m.grp),
		(u64)(((struct ppa_addr *)(&__entry->ppa))->m.pu),
		(u64)(((struct ppa_addr *)(&__entry->ppa))->m.chk),
		show_chunk_erase_state((int)__entry->state))

		);

		TRACE_EVENT(pblk_chunk_state,

+6 −0