[Buildroot] [PATCH] cachebench: new package
Gregory CLEMENT
gclement00 at gmail.com
Fri Aug 3 09:52:38 UTC 2012
Please don't take this patch I found two typos in the script, I am
currently testing the fixes, and I will sent a new version soon.
2012/8/3 Gregory CLEMENT <gregory.clement at free-electrons.com>:
> This patch adds the cachebench package.
>
> Cachebench presents itself as a program to empirically determine some
> parameters about an architectures memory subsystem. It can be used to
> have an idea of the performance of the cache support. It has been
> integrated into LLCbench (Low Level Characterization Benchmarks), but
> currently only Cachebench is supported by Buildroot. The only
> difference with mainline is a patch which add a script to be able to
> generate data ready to bu used by gnuplot without having to use 'make'
> which is usually not present on embedded target.
>
> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> ---
> package/Config.in | 1 +
> package/cachebench/Config.in | 13 ++++
> ...ipt-rules-of-Makefile-to-run-it-on-target.patch | 65 ++++++++++++++++++++
> package/cachebench/cachebench.mk | 30 +++++++++
> 4 files changed, 109 insertions(+)
> create mode 100644 package/cachebench/Config.in
> create mode 100644 package/cachebench/cachebench-0001-Convert-script-rules-of-Makefile-to-run-it-on-target.patch
> create mode 100644 package/cachebench/cachebench.mk
>
> diff --git a/package/Config.in b/package/Config.in
> index f308de7..163f1a7 100644
> --- a/package/Config.in
> +++ b/package/Config.in
> @@ -17,6 +17,7 @@ source "package/xz/Config.in"
> endmenu
>
> menu "Debugging, profiling and benchmark"
> +source "package/cachebench/Config.in"
> source "package/bonnie/Config.in"
> source "package/dhrystone/Config.in"
> source "package/dstat/Config.in"
> diff --git a/package/cachebench/Config.in b/package/cachebench/Config.in
> new file mode 100644
> index 0000000..b97c9ad
> --- /dev/null
> +++ b/package/cachebench/Config.in
> @@ -0,0 +1,13 @@
> +config BR2_PACKAGE_CACHEBENCH
> + bool "cachebench"
> + help
> +
> + Cachebench presents itself as a program to empirically determine
> + some parameters about an architectures memory subsystem. It can
> + be used to have an idea of the performance of the cache
> + support. It has been integrated into LLCbench (Low Level
> + Characterization Benchmarks), but currently only Cachebench is
> + supported by Buildroot.
> +
> + http://icl.cs.utk.edu/projects/llcbench/cachebench.html
> +
> diff --git a/package/cachebench/cachebench-0001-Convert-script-rules-of-Makefile-to-run-it-on-target.patch b/package/cachebench/cachebench-0001-Convert-script-rules-of-Makefile-to-run-it-on-target.patch
> new file mode 100644
> index 0000000..505a4fe
> --- /dev/null
> +++ b/package/cachebench/cachebench-0001-Convert-script-rules-of-Makefile-to-run-it-on-target.patch
> @@ -0,0 +1,65 @@
> +From 6daded62de221ca0d97360523575b1c7230c8800 Mon Sep 17 00:00:00 2001
> +From: Gregory CLEMENT <gregory.clement at free-electrons.com>
> +Date: Thu, 2 Aug 2012 22:33:36 +0200
> +Subject: [PATCH] Convert script rules of Makefile to run it on target
> +
> +The benchmark is supposed to be run using the Makefile to be able to
> +get data ready to be used by gnuplot. On some target we don't have
> +Makefile available, so this script exctracted from the Makefile can be
> +used directly to run the benchmark, format data and make a tarball of
> +the result.
> +---
> + cachebench/do_bench.sh | 40 ++++++++++++++++++++++++++++++++++++++++
> + 1 file changed, 40 insertions(+)
> + create mode 100644 cachebench/do_bench.sh
> +
> +diff --git a/cachebench/do_bench.sh b/cachebench/do_bench.sh
> +new file mode 100644
> +index 0000000..a80dcde
> +--- /dev/null
> ++++ b/cachebench/do_bench.sh
> +@@ -0,0 +1,40 @@
> ++#!/bin/sh
> ++# Prefix of the output files produced by each benchmark
> ++
> ++# if this fails, replace it with a regular name!
> ++Result_Prefix=$(hostname)-$(uname -m)
> ++# Datatype used for each memory reference.
> ++# Legal values are DOUBLE, CHAR, INT, FLOAT
> ++CB_Datatype=DOUBLE
> ++
> ++# The number of seconds each test runs.
> ++CB_SecondsPerIteration=5
> ++
> ++# The number of times each test is run.
> ++CB_RepeatCount=1
> ++
> ++# Log base 2 of the maximum problem size tested in bytes
> ++CB_Memsize=29
> ++
> ++# The number of test sizes measured between powers of two
> ++CB_Resolution=2
> ++
> ++CBOPTS="-m $CB_Memsize -e $CB_RepeatCount -x $CB_Resolution -d $CB_SecondsPerIteration
> ++DATA=$CB_Datatype"
> ++mkdir -p results
> ++
> ++cachebench $CBOPTS -r > results/${Result_Prefix}_cache_read.dat
> ++cachebench $CBOPTS -w > results/${Result_Prefix}_cache_write.dat
> ++cachebench $CBOPTS -b > results/${Result_Prefix}_cache_rmw.dat
> ++cachebench $CBOPTS -tr > results/${Result_Prefix}_cache_handread.dat
> ++cachebench $CBOPTS -tw > results/${Result_Prefix}_cache_handwrite.dat
> ++cachebench $CBOPTS -tb > results/${Result_Prefix}_cache_handrmw.dat
> ++cachebench $CBOPTS -s > results/${Result_Prefix}_cache_memset.dat
> ++cachebench $CBOPTS -p > results/${Result_Prefix}_cache_memcpy.dat
> ++
> ++sed -e "s|TITLE|Memory Hierarchy Performance of ${Result_Prefix}|g" < /usr/share/cachebench/cachegraph.gp > results/${Result_Prefix}_cache.gp; echo "plot \"${Result_Prefix}_cache_read\" title 'read' with linespoints \\" >> results/${Result_Prefix}_cache.gp; for i in write rmw handread handwrite handrmw memset memcpy; do echo ", \"${Result_Prefix}_cache_$i.dat\" title '$i' with linespoints \\" >> results/${Result_Prefix}_cache.gp; done;
> ++
> ++cd results; tar cf ${Result_Prefix}-cachebench-datafiles.tar ${Result_Prefix}_cache*.dat ${Result_Prefix}_cache.gp
> ++echo ""
> ++echo "Datafiles and GNUplot scripts are located in the results directory."
> ++echo ""
> +\ No newline at end of file
> +--
> +1.7.9.5
> +
> diff --git a/package/cachebench/cachebench.mk b/package/cachebench/cachebench.mk
> new file mode 100644
> index 0000000..efe95d9
> --- /dev/null
> +++ b/package/cachebench/cachebench.mk
> @@ -0,0 +1,30 @@
> +#############################################################
> +#
> +# cachebench
> +#
> +#############################################################
> +CACHEBENCH_VERSION = 1.11
> +CACHEBENCH_SOURCE = llcbench.tar.gz
> +CACHEBENCH_SITE = http://icl.cs.utk.edu/projects/llcbench/
> +CACHEBENCH_LICENSE = GPLv3
> +CACHEBENCH_LICENSE_FILES = COPYING
> +
> +define CACHEBENCH_CONFIGURE_CMDS
> + $(MAKE) -C $(@D) linux-lam
> +endef
> +
> +define CACHEBENCH_BUILD_CMDS
> + $(MAKE) BB_CC="$(TARGET_CC) $(TARGET_CFLAGS) $(TARGET_LDFLAGS)" -C $(@D) cache-bench
> +endef
> +
> +define CACHEBENCH_INSTALL_TARGET_CMDS
> + $(INSTALL) -m 0755 -D $(@D)/cachebench/cachebench $(TARGET_DIR)/usr/bin/cachebench
> + $(INSTALL) -m 0755 -D $(@D)/cachebench/do_bench.sh $(TARGET_DIR)/usr/share/cachebench/do_bench.sh
> + cp $(@D)/cachebench/cachegraph.gp $(TARGET_DIR)/usr/share/cachebench/cachegraph.gp
> +endef
> +
> +define CACHEBENCH_UNINSTALL_TARGET_CMDS
> + $(RM) $(TARGET_DIR)/usr/bin/cachebench
> +endef
> +
> +$(eval $(generic-package))
> --
> 1.7.9.5
>
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--
Gregory CLEMENT
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