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############################################################################

#  misc/iostat-plot.mk

#

#  Part of the STXXL. See http://stxxl.sourceforge.net

#

#  Copyright (C) 2008 Andreas Beckmann <beckmann@cs.uni-frankfurt.de>

#

#  Distributed under the Boost Software License, Version 1.0.

#  (See accompanying file LICENSE_1_0.txt or copy at

#  http://www.boost.org/LICENSE_1_0.txt)

############################################################################



#

# to record the data, include this file from your Makefile

# and use a target like

#

# my_results.out:

#	$(IOSTAT_PLOT_RECORD_DATA) -p $(@:.out=) \

#	my_program arg1 ... argn > $@

#

# and then run

#

# make my_results.out

# make my_results.io.plot

# make my_results.cpu.plot

#



empty	?=#

space	?= $(empty) $(empty)

comma	?= ,



IOSTAT_PLOT_BINDIR		?= .

IOSTAT_PLOT_RECORD_DATA		?= $(IOSTAT_PLOT_BINDIR)/record-load-iostat

IOSTAT_PLOT_CONCAT_LINES	?= $(IOSTAT_PLOT_BINDIR)/concat-lines

IOSTAT_PLOT_FLOATING_AVERAGE	?= $(IOSTAT_PLOT_BINDIR)/floating-average



IOSTAT_PLOT_LINE_IDENTIFIER	?= ^sd

IOSTAT_PLOT_CPU_LINE_IDENTIFIER	?= ^$(space)$(space)$(space)

IOSTAT_PLOT_DISKS		?= 8

IOSTAT_PLOT_CPUS		?= 8

IOSTAT_PLOT_STRIDE		?= 12

IOSTAT_PLOT_AVERAGE		?= 1

IOSTAT_PLOT_AVERAGE.io		?= $(IOSTAT_PLOT_AVERAGE)

IOSTAT_PLOT_AVERAGE.cpu		?= $(IOSTAT_PLOT_AVERAGE)

IOSTAT_PLOT_LOAD_REDUCE		?= 0

IOSTAT_PLOT_OFFSET_read_12	?= 6

IOSTAT_PLOT_OFFSET_write_12	?= 7

IOSTAT_PLOT_OFFSET_utilize_12	?= 12

IOSTAT_PLOT_OFFSET_read_14	?= 8

IOSTAT_PLOT_OFFSET_write_14	?= 9

IOSTAT_PLOT_OFFSET_utilize_14	?= ???

IOSTAT_PLOT_DISK_LIST		?= sda sdb sdc sdd sde sdf sdg sdh sdi sdj

IOSTAT_PLOT_IO_WITH_UTILIZATION	?= no



IOSTAT_PLOT_Y_LABEL.io		?= Bandwidth [MiB/s]

IOSTAT_PLOT_Y_LABEL.cpu		?= CPU Usage [%]



ECHO				?= echo



# $1 = first, $2 = increment, $3 = last

define gnuplot-column-sequence-sum

$(subst $(space),+,$(patsubst %,$$%,$(shell seq $1 $2 $3)))

endef



# $1 = io | cpu, $2 = numdisks (io) | numcpus (cpu), $3 = stride

define template-iostat-gnuplot

	$(RM) $@

	$(ECHO) 'set title "$(subst _, ,$*) (avg=$(IOSTAT_PLOT_AVERAGE.$(strip $1)))"' >> $@

	$(ECHO) 'set xlabel "Time [s]"' >> $@

	$(ECHO) 'set ylabel "$(IOSTAT_PLOT_Y_LABEL.$(strip $1))"' >> $@

$(if $(filter yes,$(IOSTAT_PLOT_IO_WITH_UTILIZATION)),

	$(ECHO) 'set y2label "Utilization [%]"' >> $@

	$(ECHO) 'set ytics nomirror' >> $@

	$(ECHO) 'set y2tics' >> $@

,$(if $(wildcard $*.waitlog),

	$(ECHO) 'set y2label "Wait Time [s]"' >> $@

	$(ECHO) 'set ytics nomirror' >> $@

	$(ECHO) 'set y2tics' >> $@

))

#	$(ECHO) 'set data style linespoints' >> $@

	$(ECHO) 'set data style lines' >> $@

	$(ECHO) 'set macros' >> $@

	$(ECHO) 'set pointsize 0.4' >> $@

#	$(ECHO) 'set samples 1000' >> $@

	$(ECHO) 'set key top left' >> $@

	$(ECHO) 'set yrange [0:]' >> $@

	$(ECHO) '' >> $@

$(if $(filter io,$1),

	$(ECHO) 'read = "$(call gnuplot-column-sequence-sum, $(IOSTAT_PLOT_OFFSET_read_$3), $3, $(shell expr $2 '*' $3))"' >> $@

	$(ECHO) 'write = "$(call gnuplot-column-sequence-sum, $(IOSTAT_PLOT_OFFSET_write_$3), $3, $(shell expr $2 '*' $3))"' >> $@

	$(ECHO) 'utilize = "($(call gnuplot-column-sequence-sum, $(IOSTAT_PLOT_OFFSET_utilize_$3), $3, $(shell expr $2 '*' $3))) / $2"' >> $@

	$(ECHO) '' >> $@

	$(ECHO) 'plot \' >> $@

	$(ECHO) '	"$<" using 0:(@read + @write) title "Read + Write" ls 3$(comma) \' >> $@

	$(ECHO) '	"$<" using 0:(@read) title "Read" ls 2$(comma) \' >> $@

	$(ECHO) '	"$<" using 0:(@write) title "Write" ls 1$(comma) \' >> $@

$(if $(filter yes,$(IOSTAT_PLOT_IO_WITH_UTILIZATION)),

	$(ECHO) '	"$<" using 0:(@utilize) title "Utilization" ls 5 axes x1y2$(comma) \' >> $@

,$(if $(wildcard $*.waitlog),

	$(ECHO) '	"$*.waitlog" using 1:4 title "Wait Read" ls 5 axes x1y2$(comma) \' >> $@

	$(ECHO) '	"$*.waitlog" using 1:5 title "Wait Write" ls 4 axes x1y2$(comma) \' >> $@

))

	$(ECHO) '	"not.existing.dummy" using 08:15 notitle' >> $@

)

$(if $(filter cpu,$1),

	$(ECHO) 'plot \' >> $@

	$(ECHO) '	"$(word 2,$^)" using 0:(100*($$1-$(IOSTAT_PLOT_LOAD_REDUCE))/$(strip $2)) title "Load (100% = $2)" ls 5$(comma) \' >> $@

	$(ECHO) '	"$<" using 0:($$1+$$3+$$4) title "Total" ls 4$(comma) \' >> $@

	$(ECHO) '	"$<" using 0:4 title "Wait" ls 2$(comma) \' >> $@

	$(ECHO) '	"$<" using 0:1 title "User" ls 1$(comma) \' >> $@

	$(ECHO) '	"$<" using 0:3 title "System" ls 3$(comma) \' >> $@

	$(ECHO) '	"not.existing.dummy" using 08:15 notitle' >> $@ 

)

	$(ECHO) '' >> $@

	$(ECHO) 'pause -1' >> $@

	$(ECHO) '' >> $@

	$(ECHO) 'set terminal postscript enhanced $(GPLT_COLOR_PS) 10' >> $@

	$(ECHO) 'set output "$*.$(strip $1).eps"' >> $@

	$(ECHO) 'replot' >> $@

	$(ECHO) '' >> $@

endef



%.io-$(IOSTAT_PLOT_AVERAGE.io).dat: %.iostat $(MAKEFILE_LIST)

	$(pipefail) \

	$(IOSTAT_PLOT_CONCAT_LINES) $< $(IOSTAT_PLOT_LINE_IDENTIFIER) | \

	grep "$(IOSTAT_PLOT_LINE_IDENTIFIER)" | \

	$(IOSTAT_PLOT_FLOATING_AVERAGE) $(IOSTAT_PLOT_AVERAGE.io) > $@



define per-disk-plot-template

%.$(disk).io-$$(IOSTAT_PLOT_AVERAGE.io).dat: IOSTAT_PLOT_LINE_IDENTIFIER=^$(disk)

%.$(disk).io-$$(IOSTAT_PLOT_AVERAGE.io).plot: IOSTAT_PLOT_DISKS=1

%.$(disk).io-$$(IOSTAT_PLOT_AVERAGE.io).plot: IOSTAT_PLOT_IO_WITH_UTILIZATION=yes



%.$(disk).io-$$(IOSTAT_PLOT_AVERAGE.io).dat: %.iostat $$(MAKEFILE_LIST)

	$$(pipefail) \

	$$(IOSTAT_PLOT_CONCAT_LINES) $$< $$(IOSTAT_PLOT_LINE_IDENTIFIER) | \

	grep "$$(IOSTAT_PLOT_LINE_IDENTIFIER)" | \

	$$(IOSTAT_PLOT_FLOATING_AVERAGE) $$(IOSTAT_PLOT_AVERAGE.io) > $$@

endef

$(foreach disk, $(IOSTAT_PLOT_DISK_LIST),$(eval $(per-disk-plot-template)))



%.cpu-$(IOSTAT_PLOT_AVERAGE.cpu).dat: %.iostat $(MAKEFILE_LIST)

	$(pipefail) \

	grep "$(IOSTAT_PLOT_CPU_LINE_IDENTIFIER)" $< | \

	$(IOSTAT_PLOT_FLOATING_AVERAGE) $(IOSTAT_PLOT_AVERAGE.cpu) > $@



%.io-$(IOSTAT_PLOT_AVERAGE.io).plot: %.io-$(IOSTAT_PLOT_AVERAGE.io).dat $(MAKEFILE_LIST)

	$(call template-iostat-gnuplot,io,$(IOSTAT_PLOT_DISKS),$(IOSTAT_PLOT_STRIDE))



%.io.plot: %.io-$(IOSTAT_PLOT_AVERAGE.io).plot

	@$(ECHO) Your plot file is: $<



%.cpu-$(IOSTAT_PLOT_AVERAGE.cpu).plot: %.cpu-$(IOSTAT_PLOT_AVERAGE.cpu).dat %.loadavg $(MAKEFILE_LIST)

	$(call template-iostat-gnuplot,cpu,$(IOSTAT_PLOT_CPUS),$(IOSTAT_PLOT_STRIDE))



%.cpu.plot: %.cpu-$(IOSTAT_PLOT_AVERAGE.cpu).plot

	@$(ECHO) Your plot file is: $<



%.io.xplot: %.io-$(IOSTAT_PLOT_AVERAGE.io).plot

	gnuplot $<



%.cpu.xplot: %.cpu-$(IOSTAT_PLOT_AVERAGE.cpu).plot

	gnuplot $<



.SECONDARY:

.DELETE_ON_ERROR: