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perf bench mem: Reorganize the code a bit 

Reorder functions a bit, so that we synchronize the layout of the
memcpy() and memset() portions of the code.

This improves the code, especially after we'll add an strlcpy() variant
as well.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1445241870-24854-12-git-send-email-mingo@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ingo Molnar 2015-10-19 10:04:27 +02:00 committed by Arnaldo Carvalho de Melo
parent 13b1fdce8d
commit 5dd93304a5
1 changed files with 19 additions and 19 deletions
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38
tools/perf/bench/mem-functions.c
View File

@ -58,25 +58,6 @@ struct routine {
} fn;
};
struct routine memcpy_routines[] = {
{ .name = "default",
.desc = "Default memcpy() provided by glibc",
.fn.memcpy = memcpy },
#ifdef HAVE_ARCH_X86_64_SUPPORT
# define MEMCPY_FN(_fn, _name, _desc) {.name = _name, .desc = _desc, .fn.memcpy = _fn},
# include "mem-memcpy-x86-64-asm-def.h"
# undef MEMCPY_FN
#endif
{ NULL, }
};
static const char * const bench_mem_memcpy_usage[] = {
"perf bench mem memcpy <options>",
NULL
};
static struct perf_event_attr cycle_attr = {
.type = PERF_TYPE_HARDWARE,
.config = PERF_COUNT_HW_CPU_CYCLES
@ -278,6 +259,25 @@ static double do_memcpy_gettimeofday(const struct routine *r, size_t size)
return (double)(((double)size * iterations) / timeval2double(&tv_diff));
}
struct routine memcpy_routines[] = {
{ .name = "default",
.desc = "Default memcpy() provided by glibc",
.fn.memcpy = memcpy },
#ifdef HAVE_ARCH_X86_64_SUPPORT
# define MEMCPY_FN(_fn, _name, _desc) {.name = _name, .desc = _desc, .fn.memcpy = _fn},
# include "mem-memcpy-x86-64-asm-def.h"
# undef MEMCPY_FN
#endif
{ NULL, }
};
static const char * const bench_mem_memcpy_usage[] = {
"perf bench mem memcpy <options>",
NULL
};
int bench_mem_memcpy(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct bench_mem_info info = {