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‎LICENSING.NOTICE

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‎README

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Linux port of DTrace
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April 2008
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Paul D. Fox
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[email protected]
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This is a pre-alpha, work-in-progress port of Sun's DTrace kernel
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debugging tool for Linux. It is not prime-time and much of it
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doesnt compile.
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I have taken a variety of approaches to get where I am:
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custom include dir:
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- <linux> for user land tools which front-ends /usr/include and
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/usr/include/sys
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- <sys> for the kernel drivers.
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makefiles are incomplete - I use 'makefile' and will clean up Suns
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Makefile and Makefile.targ and other extraneous subdirs to simplify things.
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make-me is a temporary script to build the kernel drivers.
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No top-level makefile at present. In cmd/dtrace/dtrace is a 64-bit dtrace
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binary built on RedHat FC8. Will remove that and make it buildable.
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Kernel drivers assume access to /usr/src/linux -- needs to be fixed.
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kernel drivers dont compile yet. Lots of use of
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# if defined(sun)
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...
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# endif
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for bits we wont want (much cribbed from the FreeBSD port).
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Some code has
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# if linux
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...
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#endif
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where its definitely Linux time.
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No GPL code in here at present; all CDDL.
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'tags' files are CRiSP format cross-reference files. If you dont have
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CRiSP, delete them and build your own !

‎archive.sh

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NAME=dtrace
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MAJ_VERSION=1
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MIN_VERSION=0001
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EXCLUDE=""
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EXCLUDE_DIRS=""
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#date Wed Mar 1 11:30:37 GMT 2006

‎checksum.lst

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‎cmd/dtrace/.gdbinit

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dir ../../lib/libctf
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dir ../../lib/libdtrace/common
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dir ../../lib/liblinux

‎cmd/dtrace/demo/Makefile

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#
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# Copyright 2005 Sun Microsystems, Inc. All rights reserved.
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#
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# The contents of this file are subject to the terms of the
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# Common Development and Distribution License, Version 1.0 only.
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# See the file usr/src/LICENSING.NOTICE in this distribution or
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# http://www.opensolaris.org/license/ for details.
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#
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#pragma ident "@(#)Makefile 1.2 04/12/18 SMI"
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include ../../Makefile.cmd
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DFILES = \
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applicat.d \
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badopen.d \
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begin.d \
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callout.d \
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clause.d \
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clear.d \
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countdown.d \
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counter.d \
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dateprof.d \
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delay.d \
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denorm.d \
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end.d \
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error.d \
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errorpath.d \
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find.d \
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firebird.d \
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hello.d \
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howlong.d \
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interp.d \
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interval.d \
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intr.d \
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iocpu.d \
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iosnoop.d \
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iothrough.d \
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iotime.d \
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iprb.d \
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kstat.d \
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ksyms.d \
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libc.d \
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lquantize.d \
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lwptime.d \
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normalize.d \
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nscd.d \
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pri.d \
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printa.d \
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pritime.d \
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prof.d \
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profpri.d \
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progtime.d \
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putnext.d \
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qlen.d \
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qtime.d \
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renormalize.d \
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restest.d \
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ring.d \
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rtime.d \
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rwinfo.d \
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rwtime.d \
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sig.d \
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soffice.d \
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spec.d \
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specopen.d \
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ssd.d \
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syscall.d \
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tick.d \
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ticktime.d \
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time.d \
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tracewrite.d \
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trunc.d \
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trussrw.d \
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userfunc.d \
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whatfor.d \
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whatlock.d \
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where.d \
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whererun.d \
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whoexec.d \
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whofor.d \
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whoio.d \
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whopreempt.d \
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whoqueue.d \
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whosteal.d \
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whowrite.d \
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writes.d \
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writesbycmd.d \
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writesbycmdfd.d \
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writetime.d \
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writetimeq.d \
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xioctl.d \
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xterm.d \
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xwork.d
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DEMOFILES = \
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$(DFILES) \
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index.html \
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sunlogo.gif
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MKDEMO = mkdemo
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CLEANFILES += $(DFILES) $(MKDEMO)
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ROOTDEMODIR = $(ROOT)/usr/demo/dtrace
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ROOTDEMOFILES = $(DEMOFILES:%=$(ROOTDEMODIR)/%)
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all: $(DEMOFILES)
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clobber clean:
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-$(RM) $(CLEANFILES)
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clean.lint install_h lint:
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install: $(ROOTDEMOFILES)
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$(ROOTDEMODIR):
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$(INS.dir)
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$(ROOTDEMODIR)/%: %
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$(INS.file)
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%.html: $(DFILES) $(MKDEMO)
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./$(MKDEMO) $@
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%.d: $(MKDEMO)
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./$(MKDEMO) $@
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%: %.pl
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$(CP) $< $@
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$(CHMOD) 755 $@
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$(ROOTDEMOFILES): $(ROOTDEMODIR)
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$(ROOTDEMODIR) := OWNER = root
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$(ROOTDEMODIR) := GROUP = bin
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$(ROOTDEMODIR) := DIRMODE = 755
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$(ROOTDEMOFILES) := OWNER = root
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$(ROOTDEMOFILES) := GROUP = bin
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$(ROOTDEMOFILES) := FILEMODE = 644

‎cmd/dtrace/demo/act/time.d

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#pragma D option quiet
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#pragma D option destructive
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#pragma D option switchrate=5sec
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tick-1sec
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/n++ < 5/
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{
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printf("walltime : %Y\n", walltimestamp);
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printf("date : ");
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system("date");
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printf("\n");
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}
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tick-1sec
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/n == 5/
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{
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exit(0);
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}

‎cmd/dtrace/demo/agg/clear.d

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#pragma D option quiet
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BEGIN
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{
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last = timestamp;
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}
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syscall:::entry
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{
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@func[execname] = count();
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}
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tick-10sec
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{
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normalize(@func, (timestamp - last) / 1000000000);
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printa(@func);
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clear(@func);
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last = timestamp;
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}

‎cmd/dtrace/demo/agg/dateprof.d

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syscall::exec:return,
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syscall::exece:return
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/execname == "date"/
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{
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self->start = vtimestamp;
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}
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syscall:::entry
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/self->start/
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{
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/*
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* We linearly quantize on the current virtual time minus our
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* process's start time. We divide by 1000 to yield microseconds
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* rather than nanoseconds. The range runs from 0 to 10 milliseconds
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* in steps of 100 microseconds; we expect that no date(1) process
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* will take longer than 10 milliseconds to complete.
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*/
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@["system calls over time"] =
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lquantize((vtimestamp - self->start) / 1000, 0, 10000, 100);
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}
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syscall::rexit:entry
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/self->start/
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{
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self->start = 0;
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}

‎cmd/dtrace/demo/agg/denorm.d

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#pragma D option quiet
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BEGIN
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{
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start = timestamp;
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}
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syscall:::entry
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{
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@func[execname] = count();
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}
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END
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{
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this->seconds = (timestamp - start) / 1000000000;
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printf("Ran for %d seconds.\n", this->seconds);
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printf("Per-second rate:\n");
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normalize(@func, this->seconds);
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printa(@func);
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printf("\nRaw counts:\n");
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denormalize(@func);
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printa(@func);
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}

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