From: Long Li <[email protected]> Export SMBDirect debug counters to /proc/fs/cifs/DebugData, for debugging and troubleshooting.
Signed-off-by: Long Li <[email protected]> --- fs/cifs/cifs_debug.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index ba0870d..ca73950 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -30,6 +30,7 @@ #include "cifsproto.h" #include "cifs_debug.h" #include "cifsfs.h" +#include "smbdirect.h" void cifs_dump_mem(char *label, void *data, int length) @@ -152,6 +153,51 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) list_for_each(tmp1, &cifs_tcp_ses_list) { server = list_entry(tmp1, struct TCP_Server_Info, tcp_ses_list); + + if (!server->rdma) + goto skip_rdma; + + seq_printf(m, "\nSMBDirect transport status (all numbers in hex) protocol version: %x", + server->smbd_conn->protocol); + seq_printf(m, "\nConn receive_credit_max: %x send_credit_target: %x max_send_size: %x", + server->smbd_conn->receive_credit_max, + server->smbd_conn->send_credit_target, + server->smbd_conn->max_send_size); + seq_printf(m, "\nConn max_fragmented_recv_size: %x max_fragmented_send_size: %x max_receive_size:%x", + server->smbd_conn->max_fragmented_recv_size, + server->smbd_conn->max_fragmented_send_size, + server->smbd_conn->max_receive_size); + seq_printf(m, "\nConn keep_alive_interval: %x max_readwrite_size: %x rdma_readwrite_threshold: %x", + server->smbd_conn->keep_alive_interval, + server->smbd_conn->max_readwrite_size, + server->smbd_conn->rdma_readwrite_threshold); + seq_printf(m, "\nDebug count_receive_buffer: %x count_get_receive_buffer: %x count_put_receive_buffer: %x count_send_empty: %x", + server->smbd_conn->count_receive_buffer, + server->smbd_conn->count_get_receive_buffer, + server->smbd_conn->count_put_receive_buffer, + server->smbd_conn->count_send_empty); + seq_printf(m, "\nRead Queue count_reassembly_queue: %x count_enqueue_reassembly_queue: %x count_dequeue_reassembly_queue: %x fragment_reassembly_remaining: %x", + server->smbd_conn->count_reassembly_queue, + server->smbd_conn->count_enqueue_reassembly_queue, + server->smbd_conn->count_dequeue_reassembly_queue, + server->smbd_conn->fragment_reassembly_remaining); + seq_printf(m, "\nCurrent Credits send_credits: %x receive_credits: %x receive_credit_target: %x", + atomic_read(&server->smbd_conn->send_credits), + atomic_read(&server->smbd_conn->receive_credits), + server->smbd_conn->receive_credit_target); + seq_printf(m, "\nPending send_pending: %x send_payload_pending: %x recv_pending: %x read_pending: %x", + atomic_read(&server->smbd_conn->send_pending), + atomic_read(&server->smbd_conn->send_payload_pending), + atomic_read(&server->smbd_conn->recv_pending), + atomic_read(&server->smbd_conn->read_pending)); + seq_printf(m, "\nMR responder_resources: %x max_frmr_depth: %x mr_type: %x", + server->smbd_conn->responder_resources, + server->smbd_conn->max_frmr_depth, + server->smbd_conn->mr_type); + seq_printf(m, "\nMR mr_ready_count: %x", + atomic_read(&server->smbd_conn->mr_ready_count)); + +skip_rdma: seq_printf(m, "\nNumber of credits: %d", server->credits); i++; list_for_each(tmp2, &server->smb_ses_list) { -- 2.7.4
