diff options
Diffstat (limited to 'fs/cifs/cifs_debug.c')
| -rw-r--r-- | fs/cifs/cifs_debug.c | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c index 13c1288b04a7..ec933fb0b36e 100644 --- a/fs/cifs/cifs_debug.c +++ b/fs/cifs/cifs_debug.c @@ -1,23 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * fs/cifs_debug.c * * Copyright (C) International Business Machines Corp., 2000,2005 * * Modified by Steve French (sfrench@us.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See - * the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/fs.h> #include <linux/string.h> @@ -312,12 +299,10 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v) 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 smbd_send_pending: %x smbd_recv_pending: %x", + seq_printf(m, "\nPending send_pending: %x " + "send_payload_pending: %x", atomic_read(&server->smbd_conn->send_pending), - atomic_read(&server->smbd_conn->send_payload_pending), - server->smbd_conn->smbd_send_pending, - server->smbd_conn->smbd_recv_pending); + atomic_read(&server->smbd_conn->send_payload_pending)); seq_printf(m, "\nReceive buffers count_receive_queue: %x " "count_empty_packet_queue: %x", server->smbd_conn->count_receive_queue, @@ -334,6 +319,12 @@ skip_rdma: #endif seq_printf(m, "\nNumber of credits: %d Dialect 0x%x", server->credits, server->dialect); + if (server->compress_algorithm == SMB3_COMPRESS_LZNT1) + seq_printf(m, " COMPRESS_LZNT1"); + else if (server->compress_algorithm == SMB3_COMPRESS_LZ77) + seq_printf(m, " COMPRESS_LZ77"); + else if (server->compress_algorithm == SMB3_COMPRESS_LZ77_HUFF) + seq_printf(m, " COMPRESS_LZ77_HUFF"); if (server->sign) seq_printf(m, " signed"); if (server->posix_ext_supported) @@ -376,6 +367,8 @@ skip_rdma: atomic_read(&server->in_send), atomic_read(&server->num_waiters)); #endif + /* dump session id helpful for use with network trace */ + seq_printf(m, " SessionId: 0x%llx", ses->Suid); if (ses->session_flags & SMB2_SESSION_FLAG_ENCRYPT_DATA) seq_puts(m, " encrypted"); if (ses->sign) @@ -462,8 +455,13 @@ static ssize_t cifs_stats_proc_write(struct file *file, server = list_entry(tmp1, struct TCP_Server_Info, tcp_ses_list); #ifdef CONFIG_CIFS_STATS2 - for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) + for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { + atomic_set(&server->num_cmds[i], 0); atomic_set(&server->smb2slowcmd[i], 0); + server->time_per_cmd[i] = 0; + server->slowest_cmd[i] = 0; + server->fastest_cmd[0] = 0; + } #endif /* CONFIG_CIFS_STATS2 */ list_for_each(tmp2, &server->smb_ses_list) { ses = list_entry(tmp2, struct cifs_ses, @@ -531,9 +529,19 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) server = list_entry(tmp1, struct TCP_Server_Info, tcp_ses_list); #ifdef CONFIG_CIFS_STATS2 + seq_puts(m, "\nTotal time spent processing by command. Time "); + seq_printf(m, "units are jiffies (%d per second)\n", HZ); + seq_puts(m, " SMB3 CMD\tNumber\tTotal Time\tFastest\tSlowest\n"); + seq_puts(m, " --------\t------\t----------\t-------\t-------\n"); + for (j = 0; j < NUMBER_OF_SMB2_COMMANDS; j++) + seq_printf(m, " %d\t\t%d\t%llu\t\t%u\t%u\n", j, + atomic_read(&server->num_cmds[j]), + server->time_per_cmd[j], + server->fastest_cmd[j], + server->slowest_cmd[j]); for (j = 0; j < NUMBER_OF_SMB2_COMMANDS; j++) if (atomic_read(&server->smb2slowcmd[j])) - seq_printf(m, "%d slow responses from %s for command %d\n", + seq_printf(m, " %d slow responses from %s for command %d\n", atomic_read(&server->smb2slowcmd[j]), server->hostname, j); #endif /* STATS2 */ |