diff options
| author | Sara Sharon <sara.sharon@intel.com> | 2018-12-17 11:39:42 +0200 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2019-02-14 11:29:42 +0200 |
| commit | 6dcdd165777b9b08da05b981aa295b1a47b3017a (patch) | |
| tree | 52f9eb9a9c64e40e536062c8fa7896bb0709b4f9 /drivers/net/wireless/intel/iwlwifi/pcie/rx.c | |
| parent | ec4156a91d1eac4a41ce5b213652c6a2871a9465 (diff) | |
iwlwifi: pcie: add TPT oriented prints
Currently there is no way to debug RX/TX paths using prints
without harming tpt. Add prints to debug RX allocation path.
We can still get 1.9 gbps with those on.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/rx.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index 36cbfed409d0..49c2ce549c86 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -540,7 +540,7 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans) struct list_head local_empty; int pending = atomic_read(&rba->req_pending); - IWL_DEBUG_RX(trans, "Pending allocation requests = %d\n", pending); + IWL_DEBUG_TPT(trans, "Pending allocation requests = %d\n", pending); /* If we were scheduled - there is at least one request */ spin_lock(&rba->lock); @@ -598,9 +598,10 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans) if (!pending) { pending = atomic_read(&rba->req_pending); - IWL_DEBUG_RX(trans, - "Got more pending allocation requests = %d\n", - pending); + if (pending) + IWL_DEBUG_TPT(trans, + "Got more pending allocation requests = %d\n", + pending); } spin_lock(&rba->lock); @@ -619,7 +620,7 @@ static void iwl_pcie_rx_allocator(struct iwl_trans *trans) list_splice_tail(&local_empty, &rba->rbd_empty); spin_unlock(&rba->lock); - IWL_DEBUG_RX(trans, "%s, exit.\n", __func__); + IWL_DEBUG_TPT(trans, "%s, exit.\n", __func__); } /* @@ -1429,6 +1430,9 @@ restart: !emergency)) { iwl_pcie_rx_move_to_allocator(rxq, rba); emergency = true; + IWL_DEBUG_TPT(trans, + "RX path is in emergency. Pending allocations %d\n", + rb_pending_alloc); } IWL_DEBUG_RX(trans, "Q %d: HW = %d, SW = %d\n", rxq->id, r, i); @@ -1458,8 +1462,12 @@ restart: count++; if (count == 8) { count = 0; - if (rb_pending_alloc < rxq->queue_size / 3) + if (rb_pending_alloc < rxq->queue_size / 3) { + IWL_DEBUG_TPT(trans, + "RX path exited emergency. Pending allocations %d\n", + rb_pending_alloc); emergency = false; + } rxq->read = i; spin_unlock(&rxq->lock); |