diff options
Diffstat (limited to 'cddl/contrib/dtracetoolkit/Net/tcptop_snv')
| -rwxr-xr-x | cddl/contrib/dtracetoolkit/Net/tcptop_snv | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/cddl/contrib/dtracetoolkit/Net/tcptop_snv b/cddl/contrib/dtracetoolkit/Net/tcptop_snv new file mode 100755 index 0000000..56714e3 --- /dev/null +++ b/cddl/contrib/dtracetoolkit/Net/tcptop_snv @@ -0,0 +1,581 @@ +#!/usr/bin/ksh +# +# tcptop_snv - display top TCP network packets by process. +# Written using DTrace (Solaris Nevada) +# +# This analyses TCP network packets and prints the responsible PID and UID, +# plus standard details such as IP address and port. This captures traffic +# of newly created TCP connections that were established while this program +# was running. It can help identify which processes is causing TCP traffic. +# +# WARNING: This script may only work on Solaris Nevada and OpenSolaris +# of the late 2007 vintage, since it uses the fbt provider to trace the raw +# operation of a specific version of the kernel. In the future, a 'stable' +# network provider should exist which will allow this to be written for that +# and subsequent versions of the kernel. In the meantime, check for other +# versions of this script in the /Net directory, and read the +# Notes/ALLfbt_notes.txt for more background on fbt. +# +# $Id: tcptop_snv 69 2007-10-04 13:40:00Z brendan $ +# +# USAGE: tcptop [-Ch] [-j|-Z] [interval [count]] +# +# -C # don't clear the screen +# -j # print project IDs +# -Z # print zone IDs +# +# FIELDS: +# UID user ID +# PID process ID +# CMD command +# LADDR local IP address +# RADDR remote IP address +# LPORT local port number +# RPORT remote port number +# SIZE packet size, bytes +# load 1 min load average +# TCPin TCP inbound payload data +# TCPout TCP outbound payload data +# ZONE zone ID +# PROJ project ID +# +# SEE ALSO: tcpsnoop +# +# COPYRIGHT: Copyright (c) 2005, 2006 Brendan Gregg. +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License, Version 1.0 only +# (the "License"). You may not use this file except in compliance +# with the License. +# +# You can obtain a copy of the license at Docs/cddl1.txt +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# CDDL HEADER END +# +# Author: Brendan Gregg [Sydney, Australia] +# +# ToDo: IPv6 +# +# 05-Jul-2005 Brendan Gregg Created this. +# 03-Dec-2005 " " Fixed tcp_accept_finish bug, now 100% correct +# execname. Thanks Kias Belgaied for expertise. +# 20-Apr-2006 " " Fixed SS_TCP_FAST_ACCEPT bug in build 31+. +# 20-Apr-2006 " " Last update. +# 30-Sep-2007 " " Bumped this for recent OpenSolaris/Nevada. +# + +############################## +# --- Process Arguments --- +# + +### default variables +opt_def=1; opt_clear=1; opt_zone=0; opt_proj=0; interval=5; count=-1 + +### process options +while getopts ChjZ name +do + case $name in + C) opt_clear=0 ;; + j) opt_proj=1; opt_def=0 ;; + Z) opt_zone=1; opt_def=0 ;; + h|?) cat <<-END >&2 + USAGE: tcptop [-h] [-j|-Z] [interval [count]] + tcptop # default output + -C # don't clear the screen + -j # print project ID + -Z # print zonename + eg, + tcptop # default is 5 sec interval + tcptop 2 # 2 second interval + tcptop -C 1 10 # 10 x 1 sec samples, no clear + END + exit 1 + esac +done +shift $(( $OPTIND - 1 )) + +### option logic +if [[ "$1" > 0 ]]; then + interval=$1; shift +fi +if [[ "$1" > 0 ]]; then + count=$1; shift +fi +if (( opt_proj && opt_zone )); then + opt_proj=0 +fi +if (( opt_clear )); then + clearstr=`clear` +else + clearstr=. +fi + +################################# +# --- Main Program, DTrace --- +# +/usr/sbin/dtrace -Cs <( print -r ' + /* + * Command line arguments + */ + inline int OPT_def = '$opt_def'; + inline int OPT_zone = '$opt_zone'; + inline int OPT_proj = '$opt_proj'; + inline int OPT_clear = '$opt_clear'; + inline int INTERVAL = '$interval'; + inline int COUNTER = '$count'; + inline string CLEAR = "'$clearstr'"; + +#pragma D option quiet +#pragma D option switchrate=10hz + +#include <sys/file.h> +#include <inet/common.h> +#include <sys/byteorder.h> +#include <sys/socket.h> +#include <sys/socketvar.h> + +/* + * Print header + */ +dtrace:::BEGIN +{ + /* starting values */ + counts = COUNTER; + secs = INTERVAL; + TCP_out = 0; + TCP_in = 0; + + printf("Tracing... Please wait.\n"); +} + +/* + * TCP Process inbound connections + * + * 0x00200000 has been hardcoded. It was SS_TCP_FAST_ACCEPT, but was + * renamed to SS_DIRECT around build 31. + */ +fbt:sockfs:sotpi_accept:entry +/(arg1 & FREAD) && (arg1 & FWRITE) && (args[0]->so_state & 0x00200000)/ +{ + self->sop = args[0]; +} + +fbt:sockfs:sotpi_create:return +/self->sop/ +{ + self->nsop = (struct sonode *)arg1; +} + +fbt:sockfs:sotpi_accept:return +/self->nsop/ +{ + this->tcpp = (tcp_t *)self->nsop->so_priv; + self->connp = (conn_t *)this->tcpp->tcp_connp; + tname[(int)self->connp] = execname; + tpid[(int)self->connp] = pid; + tuid[(int)self->connp] = uid; +} + +fbt:sockfs:sotpi_accept:return +{ + self->nsop = 0; + self->sop = 0; +} + +/* + * TCP Process outbound connections + */ +fbt:ip:tcp_connect:entry +{ + this->tcpp = (tcp_t *)arg0; + self->connp = (conn_t *)this->tcpp->tcp_connp; + tname[(int)self->connp] = execname; + tpid[(int)self->connp] = pid; + tuid[(int)self->connp] = uid; + OPT_proj ? tproj[(int)self->connp] = curpsinfo->pr_projid : 1; +} + +/* + * TCP Data translations + */ +fbt:sockfs:sotpi_accept:return, +fbt:ip:tcp_connect:return +/self->connp/ +{ + /* fetch ports */ +#if defined(_BIG_ENDIAN) + self->lport = self->connp->u_port.tcpu_ports.tcpu_lport; + self->fport = self->connp->u_port.tcpu_ports.tcpu_fport; +#else + self->lport = BSWAP_16(self->connp->u_port.tcpu_ports.tcpu_lport); + self->fport = BSWAP_16(self->connp->u_port.tcpu_ports.tcpu_fport); +#endif + + /* fetch IPv4 addresses */ + this->fad12 = + (int)self->connp->connua_v6addr.connua_faddr._S6_un._S6_u8[12]; + this->fad13 = + (int)self->connp->connua_v6addr.connua_faddr._S6_un._S6_u8[13]; + this->fad14 = + (int)self->connp->connua_v6addr.connua_faddr._S6_un._S6_u8[14]; + this->fad15 = + (int)self->connp->connua_v6addr.connua_faddr._S6_un._S6_u8[15]; + this->lad12 = + (int)self->connp->connua_v6addr.connua_laddr._S6_un._S6_u8[12]; + this->lad13 = + (int)self->connp->connua_v6addr.connua_laddr._S6_un._S6_u8[13]; + this->lad14 = + (int)self->connp->connua_v6addr.connua_laddr._S6_un._S6_u8[14]; + this->lad15 = + (int)self->connp->connua_v6addr.connua_laddr._S6_un._S6_u8[15]; + + /* convert type for use with lltostr() */ + this->fad12 = this->fad12 < 0 ? 256 + this->fad12 : this->fad12; + this->fad13 = this->fad13 < 0 ? 256 + this->fad13 : this->fad13; + this->fad14 = this->fad14 < 0 ? 256 + this->fad14 : this->fad14; + this->fad15 = this->fad15 < 0 ? 256 + this->fad15 : this->fad15; + this->lad12 = this->lad12 < 0 ? 256 + this->lad12 : this->lad12; + this->lad13 = this->lad13 < 0 ? 256 + this->lad13 : this->lad13; + this->lad14 = this->lad14 < 0 ? 256 + this->lad14 : this->lad14; + this->lad15 = this->lad15 < 0 ? 256 + this->lad15 : this->lad15; + + /* stringify addresses */ + self->faddr = strjoin(lltostr(this->fad12), "."); + self->faddr = strjoin(self->faddr, strjoin(lltostr(this->fad13), ".")); + self->faddr = strjoin(self->faddr, strjoin(lltostr(this->fad14), ".")); + self->faddr = strjoin(self->faddr, lltostr(this->fad15 + 0)); + self->laddr = strjoin(lltostr(this->lad12), "."); + self->laddr = strjoin(self->laddr, strjoin(lltostr(this->lad13), ".")); + self->laddr = strjoin(self->laddr, strjoin(lltostr(this->lad14), ".")); + self->laddr = strjoin(self->laddr, lltostr(this->lad15 + 0)); + + /* fix direction and save values */ + tladdr[(int)self->connp] = self->laddr; + tfaddr[(int)self->connp] = self->faddr; + tlport[(int)self->connp] = self->lport; + tfport[(int)self->connp] = self->fport; + + /* all systems go */ + tok[(int)self->connp] = 1; +} + +/* + * TCP Clear connp + */ +fbt:ip:tcp_get_conn:return +{ + /* Q_TO_CONN */ + this->connp = (conn_t *)arg1; + tok[(int)this->connp] = 0; + tpid[(int)this->connp] = 0; + tuid[(int)this->connp] = 0; + tname[(int)this->connp] = 0; + tproj[(int)this->connp] = 0; +} + +/* + * TCP Process "port closed" + */ +fbt:ip:tcp_xmit_early_reset:entry +{ + this->queuep = args[7]->tcps_g_q; + this->connp = (conn_t *)this->queuep->q_ptr; + this->tcpp = (tcp_t *)this->connp->conn_tcp; + self->zoneid = this->connp->conn_zoneid; + + /* split addresses */ + this->ipha = (ipha_t *)args[1]->b_rptr; + this->fad15 = (this->ipha->ipha_src & 0xff000000) >> 24; + this->fad14 = (this->ipha->ipha_src & 0x00ff0000) >> 16; + this->fad13 = (this->ipha->ipha_src & 0x0000ff00) >> 8; + this->fad12 = (this->ipha->ipha_src & 0x000000ff); + this->lad15 = (this->ipha->ipha_dst & 0xff000000) >> 24; + this->lad14 = (this->ipha->ipha_dst & 0x00ff0000) >> 16; + this->lad13 = (this->ipha->ipha_dst & 0x0000ff00) >> 8; + this->lad12 = (this->ipha->ipha_dst & 0x000000ff); + + /* stringify addresses */ + self->faddr = strjoin(lltostr(this->fad12), "."); + self->faddr = strjoin(self->faddr, strjoin(lltostr(this->fad13), ".")); + self->faddr = strjoin(self->faddr, strjoin(lltostr(this->fad14), ".")); + self->faddr = strjoin(self->faddr, lltostr(this->fad15 + 0)); + self->laddr = strjoin(lltostr(this->lad12), "."); + self->laddr = strjoin(self->laddr, strjoin(lltostr(this->lad13), ".")); + self->laddr = strjoin(self->laddr, strjoin(lltostr(this->lad14), ".")); + self->laddr = strjoin(self->laddr, lltostr(this->lad15 + 0)); + + self->reset = 1; +} + +/* + * TCP Fetch "port closed" ports + */ +fbt:ip:tcp_xchg:entry +/self->reset/ +{ +#if defined(_BIG_ENDIAN) + self->lport = (uint16_t)arg0; + self->fport = (uint16_t)arg1; +#else + self->lport = BSWAP_16((uint16_t)arg0); + self->fport = BSWAP_16((uint16_t)arg1); +#endif + self->lport = BE16_TO_U16(arg0); + self->fport = BE16_TO_U16(arg1); +} + +/* + * TCP Print "port closed" + */ +fbt:ip:tcp_xmit_early_reset:return +{ + self->name = "<closed>"; + self->pid = 0; + self->uid = 0; + self->proj = 0; + self->size = 54 * 2; /* should check trailers */ + OPT_def ? @out[self->uid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_zone ? @out[self->zoneid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_proj ? @out[self->proj, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + self->reset = 0; + self->size = 0; + self->name = 0; +} + +/* + * TCP Process Write + */ +fbt:ip:tcp_send_data:entry +{ + self->conn_p = (conn_t *)args[0]->tcp_connp; +} + +fbt:ip:tcp_send_data:entry +/tok[(int)self->conn_p]/ +{ + self->size = msgdsize(args[2]) + 14; /* should check trailers */ + self->uid = tuid[(int)self->conn_p]; + self->laddr = tladdr[(int)self->conn_p]; + self->faddr = tfaddr[(int)self->conn_p]; + self->lport = tlport[(int)self->conn_p]; + self->fport = tfport[(int)self->conn_p]; + OPT_proj ? self->proj = tproj[(int)self->conn_p] : 1; + self->zoneid = self->conn_p->conn_zoneid; + self->ok = 2; + + /* follow inetd -> in.* transitions */ + self->name = pid && (tname[(int)self->conn_p] == "inetd") ? + execname : tname[(int)self->conn_p]; + self->pid = pid && (tname[(int)self->conn_p] == "inetd") ? + pid : tpid[(int)self->conn_p]; + tname[(int)self->conn_p] = self->name; + tpid[(int)self->conn_p] = self->pid; +} + +/* + * TCP Process Read + */ +fbt:ip:tcp_rput_data:entry +{ + self->conn_p = (conn_t *)arg0; + self->size = msgdsize(args[1]) + 14; /* should check trailers */ +} + +fbt:ip:tcp_rput_data:entry +/tok[(int)self->conn_p]/ +{ + self->uid = tuid[(int)self->conn_p]; + self->laddr = tladdr[(int)self->conn_p]; + self->faddr = tfaddr[(int)self->conn_p]; + self->lport = tlport[(int)self->conn_p]; + self->fport = tfport[(int)self->conn_p]; + OPT_proj ? self->proj = tproj[(int)self->conn_p] : 1; + self->zoneid = self->conn_p->conn_zoneid; + self->ok = 2; + + /* follow inetd -> in.* transitions */ + self->name = pid && (tname[(int)self->conn_p] == "inetd") ? + execname : tname[(int)self->conn_p]; + self->pid = pid && (tname[(int)self->conn_p] == "inetd") ? + pid : tpid[(int)self->conn_p]; + tname[(int)self->conn_p] = self->name; + tpid[(int)self->conn_p] = self->pid; +} + +/* + * TCP Complete printing outbound handshake + */ +fbt:ip:tcp_connect:return +/self->connp/ +{ + self->name = tname[(int)self->connp]; + self->pid = tpid[(int)self->connp]; + self->uid = tuid[(int)self->connp]; + self->zoneid = self->connp->conn_zoneid; + OPT_proj ? self->proj = tproj[(int)self->connp] : 1; + self->size = 54; /* should check trailers */ + + /* this packet occured before connp was fully established */ + OPT_def ? @out[self->uid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_zone ? @out[self->zoneid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_proj ? @out[self->proj, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; +} + +/* + * TCP Complete printing inbound handshake + */ +fbt:sockfs:sotpi_accept:return +/self->connp/ +{ + self->name = tname[(int)self->connp]; + self->pid = tpid[(int)self->connp]; + self->uid = tuid[(int)self->connp]; + self->zoneid = self->connp->conn_zoneid; + OPT_proj ? self->proj = tproj[(int)self->connp] : 1; + self->size = 54 * 3; /* should check trailers */ + + /* these packets occured before connp was fully established */ + OPT_def ? @out[self->uid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_zone ? @out[self->zoneid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_proj ? @out[self->proj, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; +} + +/* + * TCP Save data + */ +fbt:ip:tcp_send_data:entry, +fbt:ip:tcp_rput_data:entry +/self->ok == 2/ +{ + /* save r+w data*/ + OPT_def ? @out[self->uid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_zone ? @out[self->zoneid, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; + OPT_proj ? @out[self->proj, self->pid, self->laddr, self->lport, + self->faddr, self->fport, self->name] = sum(self->size) : 1; +} + +/* + * TCP Clear connect variables + */ +fbt:sockfs:sotpi_accept:return, +fbt:ip:tcp_connect:return +/self->connp/ +{ + self->faddr = 0; + self->laddr = 0; + self->fport = 0; + self->lport = 0; + self->connp = 0; + self->name = 0; + self->pid = 0; + self->uid = 0; +} + +/* + * TCP Clear r/w variables + */ +fbt:ip:tcp_send_data:entry, +fbt:ip:tcp_rput_data:entry +{ + self->ok = 0; + self->uid = 0; + self->pid = 0; + self->size = 0; + self->name = 0; + self->lport = 0; + self->fport = 0; + self->laddr = 0; + self->faddr = 0; + self->conn_p = 0; + self->zoneid = 0; + self->proj = 0; +} + +/* + * TCP Systemwide Stats + */ +mib:::tcpOutDataBytes { TCP_out += args[0]; } +mib:::tcpRetransBytes { TCP_out += args[0]; } +mib:::tcpInDataInorderBytes { TCP_in += args[0]; } +mib:::tcpInDataDupBytes { TCP_in += args[0]; } +mib:::tcpInDataUnorderBytes { TCP_in += args[0]; } + +/* + * Timer + */ +profile:::tick-1sec +{ + secs--; +} + +/* + * Print Report + */ +profile:::tick-1sec +/secs == 0/ +{ + /* fetch 1 min load average */ + this->load1a = `hp_avenrun[0] / 65536; + this->load1b = ((`hp_avenrun[0] % 65536) * 100) / 65536; + + /* convert TCP counters to Kbytes */ + TCP_out /= 1024; + TCP_in /= 1024; + + /* print status */ + OPT_clear ? printf("%s", CLEAR) : 1; + printf("%Y, load: %d.%02d, TCPin: %6d KB, TCPout: %6d KB\n\n", + walltimestamp, this->load1a, this->load1b, TCP_in, TCP_out); + + /* print headers */ + OPT_def ? printf(" UID ") : 1; + OPT_proj ? printf("PROJ ") : 1; + OPT_zone ? printf("ZONE ") : 1; + printf("%6s %-15s %5s %-15s %5s %9s %s\n", + "PID", "LADDR", "LPORT", "RADDR", "RPORT", "SIZE", "NAME"); + + /* print data */ + printa("%4d %6d %-15s %5d %-15s %5d %@9d %s\n", @out); + printf("\n"); + + /* clear data */ + trunc(@out); + TCP_in = 0; + TCP_out = 0; + secs = INTERVAL; + counts--; +} + +/* + * End of program + */ +profile:::tick-1sec +/counts == 0/ +{ + exit(0); +} + +/* + * Cleanup for Ctrl-C + */ +dtrace:::END +{ + trunc(@out); +} +') |
