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Ð…ü€™¦Œ ø !(À ¼¸ÿ@!0@ €™Ð 9' ø ¢Ž ¼º@ €„¸€™ ø 8x„$ ¼4€™Ä ø !€  ¼`‚DŒÂD4€™!È ø  ¼ƒbŒ@t€„È…‚Œ¤Œ&@ €‚ØlF$ €…(™Ç ø $€™!xà ø =$€™!xà ø <$€™!xà ø ;$€™!xà ø :$€™!xà ø 9$€™!xà ø 8$€™!xà ø 3$€™!xà ø 1$€™!xà ø 0$€™!xà ø /$€™!xà ø .$€™!xà ø +$€™!xà ø )$€™!xà ø ($€™!xà ø '$€™!xà ø %$€™!xà ø $$€™!xà ø  $€™!xà ø $€™!xà ø $€™!xà ø $€™!xà ø $€™!xà ø $€™!xà ø $€™!xà ø  $€™!xà ø  $€™!xà ø  $< ¥œ'!à™àÿ½'¼¯¿¯¼¯<ü¤œ'!àŸ €™€9' ø ¼¿à ½' Usage: ttcp -t [-options] host [ < in ] ttcp -r [-options > out] Example: ttcp -t -s -v -n100 host ttcp -r -s -v -n100 Common options: -V prints version number and date of last modification -L create and append all results to a file named ttcp_log -h more help -l ## length of bufs read from or written to network (default 8192, max 65535) -u use UDP instead of TCP -p ## port number to send to or listen at (default 5010) -P ## link-layer priority (default 0) -s (ttcp -t) : source a pattern to network (ttcp -r) : sink (discard) all data from network -A ## align the start of buffers to this modulus (default 16384) -O ## start buffers at this offset from the modulus (default 0) -v verbose: print more statistics -d set SO_DEBUG socket option -b ## set socket buffer size (if supported) -f X format for rate: b,B = bits, bytes k,K = kilo{bits,bytes}; m,M = mega{bits,bytes}; g,G = giga{bits,bytes} -w ## set timeout value (in milliseconds) to exit if no receive data or tcp connect Options specific to (ttcp -t) : -n ## number of source bufs written to network (default 2048) -x use random data in tcp/udp frames (-I provides seed) -D don't buffer TCP writes (sets TCP_NODELAY socket option) -H print hash marks to indicate progress, one per buffer -# ## number of buffers to send between hash marks (implies -H) -I init/seed value for RNG when sending random size bufs (default 1) -N ## number of source bufs per burst, i.e between sleeps (default 1) -R ## send random size buffers with minimum size specified, max size is value of -l option -S ## millisecs between bursts (10ms resolution) Options specific to (ttcp -r) : -B for -s, only output full blocks as specified by -l (for TAR) -T "touch": access each byte as it's read -i report information on out of order sequence numbers ERROR: time calc mismatch of msec (%d) to usec (%f) ttcp-tttcp-r%s: %s: errno=%d SIGPIPE defaultBGBMBKBGbitMbitKbitbERROR: integer overflow detected (%s) num(num - num_int) * 1000.0%d.%03d %s%d %sSocket WriteSelect Write Timeoutselect readttcp_mread%s: cpu time too short set at %d usec, NOT accurate result. %s: real time too short, set at %d usec, NOT accurate result. realtcputrealt_per_callcput_per_call%s: %sytes in %d.%06d real seconds = %s/sec +++ %s: %sytes in %d.%06d cpu seconds = %s/cpu sec %s: %ld I/O calls, %d.%03d msec(real)/call, %d.%03d msec(cpu)/call timers : end startupuser (sec) : %9ld %9ld user (usec): %9ld %9ld sys (sec) : %9ld %9ld sys (usec): %9ld %9ld time (sec) : %9ld %9ld time (usec): %9ld %9ld %ld.%06ld%d:%.2d:%.2d%d:%.2d%.1f%%%d%ld+%ld%s: buffer address %p %ld.%06ld %.1f 0 1 %10.0f %4.06f %4.3f %6ld%s %s hidrstuvxHVBDTLb:f:l:n:p:A:O:S:N:P:R:I:w:#:--ttcp: illegal option: %s r%s_%sopen the log file >%s< a+Failure : creation of the file >%s< creation date : %02d-%02d-%02d %02d:%02d format ,buflen, nbuf(byte), bufalign(byte), bufoffset(byte), port, sockbufsize(byte), UserTime(sec), SysTime(sec) , CPUusage(%%), Validity, nbytes(byte), realt(sec), rate(MB/sec), I/O call, hours*3600+min*60+sec Failure : access of the file >%s< ttcp: buffers per burst must be less than or equal to total number of buffers ttcp: minimum buffer size specified with -R option must be non-negative ttcp: maximum buffer size specified with -l option must be <= 65536 ttcp: minimum buffer size specified with -R option must be less than or equal to (maximum) buffer size specified with -l mallocttcp%s: buflen=%d, nbuf=%d, align=%d/%d, port=%d %6d %6d %6d %6d %4dttcp: missing destination host arg bad hostnamesocket%s: start time %s%s: File-Descriptor 0x%x Opened bindsetsockopt: sndbufsetsockopt: rcvbufsockbufsndsize=%d, sockbufrcvsize=%d, sockbufsize=%d, %6dsetsockopt: priorityudptcp# %s sender -> %s # # %s receiver # setsockoptsetsockopt: nodelayconnectlistenselect listenacceptgetpeernamettcp-r: accept from %s error from the socket writettcp-t: %5d | %d Bytes Written in %d write commands ERROR: Missed UDP start packet. ERROR: Found UDP end packet before start packet or data. ERROR: Found UDP end packet without receiving any data packets. ERROR: Found UDP start packet while receiving data. ERROR: Expected more data packets or an end packet. ttcp-r: %5d | %d Bytes Read ERROR: Out of sequence. Buffer %u, seq %u, expected %u writettcp-r: packets %u data, %u start, %u end percent_pkt_loss(percent_pkt_loss - percent_pkt_loss_int) * 1000.0ttcp-r: %d.%03d%% (%u/%u) packet loss ttcp%s: %5d | %d Bytes Read IOttcp%s: File-Descriptor fd 0x%x Closed %d ttcp done. Details about the reply: Example: ttcp-t: buflen=8192, nbuf=100, align=16384/0, port=5010 ttcp-t: File-Descriptor 0x4 Opened # tcp sender -> # ttcp-t: 819200 bytes in 1.152557 real seconds = 694.109 KB/sec +++ ttcp-t: 100 I/O calls, 11.526 msec(real)/call, 0.213 msec(cpu)/call ttcp-t: 0.001914user 0.019388sys 0:01real 1% 9i+58d 190maxrss 1+2pf 177+180csw ttcp-t: buffer address 0x28000 ttcp-t: File-Descriptor fd 0x4 Closed ttcp done. cpu seconds == (sec) elapse ru_utime + elapse ru_stime. ru_utime == The total amount of time running in user mode. ru_stime == The total amount of time spent in the system. executing on behalf of the process. real seconds == elapse time calculated by the system timer (date). I/O calls == I/O call to the driver. msec/call == average elapse time (Real seconds) between each I/O. calls/sec == invert of msec/call. user == (sec.msec) elaspe ru_utime. sys == (sec.msec) elapse ru_stime. real == (min:sec) CPU seconds. %% == Real seconds / CPU seconds. (ru_ixrss)i+(ru_idrss)d ru_ixrss == An integral value indicating the amount of memory used by the text segment that was also shared among other processes. This value is expressed in units of kilobytes * seconds-of-execution and is calculated by adding the number of shared memory pages in use each time the internal system clock ticks, and then averaging over one-second intervals. ru_idrss == An integral value of the amount of unshared memory in the data segment of a process (expressed in units of kilobytes * seconds-of-execution). (ru_maxrss/2)maxrss. ru_maxrss == The maximum size, in kilobytes, of the used resident set size. (ru_majflt)+(ru_minflt)pf : Page fault ru_majflt == The number of page faults serviced that required I/O activity. ru_minflt == The number of page faults serviced without any I/O activity. In this case, I/O activity is avoided by reclaiming a page frame from the list of pages awaiting reallocation. (ru_nvcsw)+(ru_nivcsw)csw : context switch ru_nvcsw == The number of times a context switch resulted because a process voluntarily gave up the processor before its time slice was completed. This usually occurs while the process waits for availability of a resource. ru_nivcsw == The number of times a context switch resulted because a higher priority process ran or because the current process exceeded its time slice. log file format : buflen, nbuf(byte), bufalign(byte), bufoffset(byte) port, sockbufsize(byte), UserTime(sec), SysTime(sec), CPUusage(%) nbytes(byte), realt(sec), rate(MB/sec), I/O call, hours*3600+min*60+sec ÔûÿðûÿðûÿðûÿðûÿXûÿðûÿpûÿðûÿ¬ûÿðûÿäûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿðûÿ ûÿðûÿðûÿðûÿðûÿ¼ûÿðûÿðûÿðûÿ€ûÿðûÿ4ûÿ%Uuser %Ssys %Ereal %P %Xi+%Dd %Mmaxrss %F+%Rpf %CcswL(ûÿˆ(ûÿÀ(ûÿ)ûÿ¼#ûÿ¼#ûÿL)ûÿ¼#ûÿ\)ûÿ¼#ûÿ¼)ûÿ¼#ûÿð)ûÿ*ûÿ¼#ûÿx*ûÿˆ*ûÿ¼#ûÿà*ûÿ¼#ûÿð*ûÿ$+ûÿÔ3ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿ¸3ûÿ¨3ûÿœ-ûÿ˜3ûÿœ-ûÿœ-ûÿœ-ûÿŒ3ûÿd3ûÿœ-ûÿœ-ûÿT3ûÿœ-ûÿ03ûÿ3ûÿä2ûÿœ-ûÿÀ2ûÿx2ûÿh2ûÿœ-ûÿ42ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿœ-ûÿ2ûÿœ-ûÿô1ûÿœ-ûÿà1ûÿœ-ûÿL0ûÿ<0ûÿœ-ûÿœ-ûÿ0ûÿœ-ûÿð/ûÿœ-ûÿÌ/ûÿœ-ûÿÀ/ûÿ¤/ûÿ”/ûÿ„/ûÿt/ûÿP/ûÿà-ûÿttcp.c $- CERN Revision: 3.8 (dev level) -$Epigram 15-jul-98ttcp_log€„.A@@ÐA0A@>°>P? @àAàÁ$@ðAð?Y@ÿÿÿÿÿÿÿÿ‰D€EA@d@ðc@àc@À‹D¼‹DÐc@¸‹D´‹DÀc@°c@°‹D¬‹D c@¨‹Dc@€c@¤‹D ‹Dœ‹D˜‹Dpc@‹D$D`c@Pc@ d@@c@0c@ c@Œ‹Dc@,5@ @c@ðb@àb@Ðb@8ˆ@Àb@ˆ‹D„‹D€‹D|‹D°b@ b@b@€b@pb@`b@Pb@@b@x‹D0b@t‹D b@<ˆ@b@p‹Db@ða@àa@l‹DÐa@h‹D”@d‹D`‹DD\‹DX‹DT‹DÀa@P‹D°a@ a@°ŒD @a@€a@L‹Dpa@`a@H‹DD‹D@‹D ŒDPa@@a@<‹D8‹D4‹D0‹D0a@,‹D a@a@(‹D$‹D ‹DGCC: (GNU) 3.3.2GCC: (GNU) 4.2.3GCC: (GNU) 4.2.3GCC: (GNU) 4.2.3GCC: (GNU) 3.3.2”@üÿÿÿ  d@üÿÿÿ Ð@ @h@€øÿÿÿ@@€ðÿÿÿ0øÿÿÿ8$@€ðÿÿÿ0øÿÿÿX @€øÿÿÿ0„@ @Ì@€ôÿÿÿ0øÿÿÿ@8@€øÿÿÿ „@€øÿÿÿ Ð@ÿ€øÿÿÿÐÐ @ð @€üÿÿÿ Œ!@€üÿÿÿXD$@ÿÀÌÿÿÿðÿøÿÿÿ,5@ÿÀìÿÿÿðøÿÿÿØ”@ d@.shstrtab.interp.reginfo.dynamic.hash.dynsym.dynstr.gnu.version.gnu.version_r.init.text.MIPS.stubs.fini.rodata.eh_frame.ctors.dtors.jcr.data.rld_map.got.sdata.sbss.bss.comment.mdebug.abi32.pdr ô@ôp@ @ ø%@d+ |@|`3Ü @Ü ª;ÿÿÿo†@†ìHþÿÿot@t W”@”ˆ] @ ðNca@ao d@ dXu€d@€dˆ$}‰@‰‡ ‰D ‰Ž‰D‰•‰D‰š ‰D ‰  @‰D@‰©P‰DP‰Ì®‹D‹µ ‹D ‹¢»ЋD ‹dÀ ‹ZÉZz‹×|‹ ŽÜ