diff options
| author | Javier González <jg@lightnvm.io> | 2017-06-26 11:57:13 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2017-06-26 16:24:53 -0600 |
| commit | db7ada33cdcae7fef0a088141b1e4ab8c25fd395 (patch) | |
| tree | 10e098319a92916b999c5b52e532306ec65e9f57 /drivers/lightnvm/pblk.h | |
| parent | caa69fa560025d12c276abd62d58a87b94324708 (diff) | |
lightnvm: pblk: add debug stat for read cache hits
Add a new debug counter to measure cache hits on the read path
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/lightnvm/pblk.h')
| -rw-r--r-- | drivers/lightnvm/pblk.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/lightnvm/pblk.h b/drivers/lightnvm/pblk.h index 95b665f23925..77ee42a3f514 100644 --- a/drivers/lightnvm/pblk.h +++ b/drivers/lightnvm/pblk.h @@ -513,6 +513,7 @@ struct pblk { atomic_long_t sync_writes; /* Sectors synced to media */ atomic_long_t compl_writes; /* Sectors completed in write bio */ atomic_long_t inflight_reads; /* Inflight sector read requests */ + atomic_long_t cache_reads; /* Read requests that hit the cache */ atomic_long_t sync_reads; /* Completed sector read requests */ atomic_long_t recov_writes; /* Sectors submitted from recovery */ atomic_long_t recov_gc_writes; /* Sectors submitted from write GC */ |