lightnvm: pblk: add trace events for pblk state changes (1b0dd0bf) · Commits · 戴 / test

drivers/lightnvm/pblk-core.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1503,6 +1503,7 @@ static void pblk_stop_writes(struct pblk pblk, struct pblk_line line)

		pblk_set_space_limit(pblk);
		pblk->state = PBLK_STATE_STOPPING;
		trace_pblk_state(pblk_disk_name(pblk), pblk->state);
		}

		static void pblk_line_close_meta_sync(struct pblk *pblk)
		@@ -1552,6 +1553,7 @@ void __pblk_pipeline_flush(struct pblk *pblk)
		return;
		}
		pblk->state = PBLK_STATE_RECOVERING;
		trace_pblk_state(pblk_disk_name(pblk), pblk->state);
		spin_unlock(&l_mg->free_lock);

		pblk_flush_writer(pblk);
		@@ -1573,6 +1575,7 @@ void __pblk_pipeline_stop(struct pblk *pblk)

		spin_lock(&l_mg->free_lock);
		pblk->state = PBLK_STATE_STOPPED;
		trace_pblk_state(pblk_disk_name(pblk), pblk->state);
		l_mg->data_line = NULL;
		l_mg->data_next = NULL;
		spin_unlock(&l_mg->free_lock);

+1 −0

Original line number	Diff line number	Diff line
		@@ -1109,6 +1109,7 @@ static void pblk_init(struct nvm_tgt_dev dev, struct gendisk *tdisk,
		pblk->dev = dev;
		pblk->disk = tdisk;
		pblk->state = PBLK_STATE_RUNNING;
		trace_pblk_state(pblk_disk_name(pblk), pblk->state);
		pblk->gc.gc_enabled = 0;

		if (!(geo->version == NVM_OCSSD_SPEC_12 \|\|

+28 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,13 @@ struct ppa_addr;
		{ PBLK_LINESTATE_CORRUPT, "CORRUPT" })


		#define show_pblk_state(state) __print_symbolic(state, \
		{ PBLK_STATE_RUNNING, "RUNNING", }, \
		{ PBLK_STATE_STOPPING, "STOPPING", }, \
		{ PBLK_STATE_RECOVERING, "RECOVERING", }, \
		{ PBLK_STATE_STOPPED, "STOPPED" })


		TRACE_EVENT(pblk_chunk_state,

		TP_PROTO(const char name, struct ppa_addr ppa, int state),
		@@ -75,6 +82,27 @@ TRACE_EVENT(pblk_line_state,

		);

		TRACE_EVENT(pblk_state,

		TP_PROTO(const char *name, int state),

		TP_ARGS(name, state),

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

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

		TP_printk("dev=%s state=%s", __get_str(name),
		show_pblk_state((int)__entry->state))

		);

		#endif /* !defined(_TRACE_PBLK_H) \|\| defined(TRACE_HEADER_MULTI_READ) */

		/* This part must be outside protection */