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Message-Id: <1445241870-24854-12-git-send-email-mingo@kernel.org>
Date: Mon, 19 Oct 2015 10:04:27 +0200
From: Ingo Molnar <mingo@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Peter Zijlstra <peterz@...radead.org>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
Hitoshi Mitake <mitake@....info.waseda.ac.jp>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Thomas Gleixner <tglx@...utronix.de>
Subject: [PATCH 11/14] 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.
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
tools/perf/bench/mem-functions.c | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index 34faeccdce34..f701b5b56079 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -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 = {
--
2.1.4
--
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