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Current Path: /usr/src/share/dtrace

📁 ..
📄 Makefile(458 B)
📄 Makefile.depend(176 B)
📄 README(181 B)
📄 blocking(2.01 KB)
📄 disklatency(2.18 KB)
📄 disklatencycmd(2.41 KB)
📄 hotopen(1.88 KB)
📄 ipfw.d(7.21 KB)
📄 mbuf.d(5.25 KB)
📄 nfsattrstats(2.36 KB)
📄 nfsclienttime(2.14 KB)
📄 retval(1.72 KB)
📄 siftr(2.65 KB)
📄 tcpconn(1.7 KB)
📄 tcpdebug(5.83 KB)
📄 tcpstate(1.71 KB)
📄 tcptrack(2.58 KB)
📄 udptrack(1.89 KB)

Editing: siftr

#!/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);
}

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Editing: siftr

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