69 lines
2.6 KiB
Plaintext
Executable File
69 lines
2.6 KiB
Plaintext
Executable File
#!/usr/sbin/dtrace -s
|
|
/*-
|
|
* Copyright (c) 2015 George V. Neville-Neil
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
* The siftr D script collects data from the SIFTR kernel module.
|
|
*
|
|
* Usage: siftr
|
|
*/
|
|
|
|
#pragma D option quiet
|
|
tcp:kernel::siftr
|
|
{
|
|
printf("direction %s state %s local %d remote %d\n",
|
|
siftr_dir_string[args[0]->direction],
|
|
tcp_state_string[args[0]->conn_state],
|
|
args[0]->tcp_localport,
|
|
args[0]->tcp_foreignport);
|
|
printf("snd_cwnd %d snd_wnd %d rcv_wnd %d snd_bwnd %d snd_ssthresh %d\n",
|
|
args[0]->snd_cwnd,
|
|
args[0]->snd_wnd,
|
|
args[0]->rcv_wnd,
|
|
args[0]->snd_bwnd,
|
|
args[0]->snd_ssthresh);
|
|
printf("\tmax_seg_size %u smoothed_rtt %d sack_enabled %d\n",
|
|
args[0]->max_seg_size,
|
|
args[0]->smoothed_rtt,
|
|
args[0]->sack_enabled);
|
|
printf("\tsnd_scale %d rcv_scale %d flags 0x%x rxt_length %d\n",
|
|
args[0]->snd_scale,
|
|
args[0]->rcv_scale,
|
|
args[0]->flags,
|
|
args[0]->rxt_length);
|
|
printf("\tsnd_buf_hiwater %u snd_buf_cc %u rcv_buf_hiwater %u\n",
|
|
args[0]->snd_buf_hiwater,
|
|
args[0]->snd_buf_cc,
|
|
args[0]->rcv_buf_hiwater);
|
|
printf("\trcv_buf_cc %u sent_inflight_bytes %u t_segqlen %d\n",
|
|
args[0]->rcv_buf_cc,
|
|
args[0]->sent_inflight_bytes,
|
|
args[0]->t_segqlen);
|
|
printf("\tflowid %u flowtype %u\n",
|
|
args[0]->flowid,
|
|
args[0]->flowtype);
|
|
}
|