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perf bench: Also allow measuring memset()

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This simply clones the respective memcpy() implementation.

Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/4F16D743020000780006D735@nat28.tlf.novell.com
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jan Beulich
2012-01-24 10:03:22 -02:00
committed by Arnaldo Carvalho de Melo
parent 800eb01484
commit be3de80dc2
8 changed files with 331 additions and 2 deletions
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12
tools/perf/bench/mem-memset-x86-64-asm-def.h Normal file
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@@ -0,0 +1,12 @@
MEMSET_FN(__memset,
"x86-64-unrolled",
"unrolled memset() in arch/x86/lib/memset_64.S")
MEMSET_FN(memset_c,
"x86-64-stosq",
"movsq-based memset() in arch/x86/lib/memset_64.S")
MEMSET_FN(memset_c_e,
"x86-64-stosb",
"movsb-based memset() in arch/x86/lib/memset_64.S")