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perf bench mem: Rename 'routine' to 'function'

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So right now there's a somewhat inconsistent mess of the benchmarking
code and options sometimes calling benchmarked functions 'functions',
sometimes calling them 'routines'.

Name them 'functions' consistently.

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/1445241870-24854-14-git-send-email-mingo@kernel.org
[ Updated perf-bench man page, pointed out by David Ahern ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ingo Molnar 2015-10-19 10:04:29 +02:00 committed by Arnaldo Carvalho de Melo
parent b0d22e52e3
commit 2f211c84ad
2 changed files with 38 additions and 38 deletions
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16
tools/perf/Documentation/perf-bench.txt
View File

@ -143,10 +143,10 @@ Options of *memcpy*
Specify size of memory to copy (default: 1MB).
Available units are B, KB, MB, GB and TB (case insensitive).
-r::
--routine::
Specify routine to copy (default: default).
Available routines are depend on the architecture.
-f::
--function::
Specify function to copy (default: default).
Available functions are depend on the architecture.
On x86-64, x86-64-unrolled, x86-64-movsq and x86-64-movsb are supported.
-l::
@ -167,10 +167,10 @@ Options of *memset*
Specify size of memory to set (default: 1MB).
Available units are B, KB, MB, GB and TB (case insensitive).
-r::
--routine::
Specify routine to set (default: default).
Available routines are depend on the architecture.
-f::
--function::
Specify function to set (default: default).
Available functions are depend on the architecture.
On x86-64, x86-64-unrolled, x86-64-stosq and x86-64-stosb are supported.
-l::

60
tools/perf/bench/mem-functions.c
View File

@ -24,7 +24,7 @@
#define K 1024
static const char *size_str = "1MB";
static const char *routine_str = "all";
static const char *function_str = "all";
static int nr_loops = 1;
static bool use_cycles;
static int cycles_fd;
@ -34,8 +34,8 @@ static const struct option options[] = {
"Specify the size of the memory buffers. "
"Available units: B, KB, MB, GB and TB (case insensitive)"),
OPT_STRING('r', "routine", &routine_str, "all",
"Specify the routine to run, \"all\" runs all available routines, \"help\" lists them"),
OPT_STRING('f', "function", &function_str, "all",
"Specify the function to run, \"all\" runs all available functions, \"help\" lists them"),
OPT_INTEGER('l', "nr_loops", &nr_loops,
"Specify the number of loops to run. (default: 1)"),
@ -49,7 +49,7 @@ static const struct option options[] = {
typedef void *(*memcpy_t)(void *, const void *, size_t);
typedef void *(*memset_t)(void *, int, size_t);
struct routine {
struct function {
const char *name;
const char *desc;
union {
@ -101,19 +101,19 @@ static double timeval2double(struct timeval *ts)
} while (0)
struct bench_mem_info {
const struct routine *routines;
u64 (*do_cycles)(const struct routine *r, size_t size);
double (*do_gettimeofday)(const struct routine *r, size_t size);
const struct function *functions;
u64 (*do_cycles)(const struct function *r, size_t size);
double (*do_gettimeofday)(const struct function *r, size_t size);
const char *const *usage;
};
static void __bench_mem_routine(struct bench_mem_info *info, int r_idx, size_t size, double size_total)
static void __bench_mem_function(struct bench_mem_info *info, int r_idx, size_t size, double size_total)
{
const struct routine *r = &info->routines[r_idx];
const struct function *r = &info->functions[r_idx];
double result_bps = 0.0;
u64 result_cycles = 0;
printf("# Routine '%s' (%s)\n", r->name, r->desc);
printf("# function '%s' (%s)\n", r->name, r->desc);
if (bench_format == BENCH_FORMAT_DEFAULT)
printf("# Copying %s bytes ...\n\n", size_str);
@ -166,28 +166,28 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *
return 1;
}
if (!strncmp(routine_str, "all", 3)) {
for (i = 0; info->routines[i].name; i++)
__bench_mem_routine(info, i, size, size_total);
if (!strncmp(function_str, "all", 3)) {
for (i = 0; info->functions[i].name; i++)
__bench_mem_function(info, i, size, size_total);
return 0;
}
for (i = 0; info->routines[i].name; i++) {
if (!strcmp(info->routines[i].name, routine_str))
for (i = 0; info->functions[i].name; i++) {
if (!strcmp(info->functions[i].name, function_str))
break;
}
if (!info->routines[i].name) {
if (strcmp(routine_str, "help") && strcmp(routine_str, "h"))
printf("Unknown routine: %s\n", routine_str);
printf("Available routines:\n");
for (i = 0; info->routines[i].name; i++) {
if (!info->functions[i].name) {
if (strcmp(function_str, "help") && strcmp(function_str, "h"))
printf("Unknown function: %s\n", function_str);
printf("Available functions:\n");
for (i = 0; info->functions[i].name; i++) {
printf("\t%s ... %s\n",
info->routines[i].name, info->routines[i].desc);
info->functions[i].name, info->functions[i].desc);
}
return 1;
}
__bench_mem_routine(info, i, size, size_total);
__bench_mem_function(info, i, size, size_total);
return 0;
}
@ -206,7 +206,7 @@ static void memcpy_alloc_mem(void **dst, void **src, size_t size)
memset(*src, 0, size);
}
static u64 do_memcpy_cycles(const struct routine *r, size_t size)
static u64 do_memcpy_cycles(const struct function *r, size_t size)
{
u64 cycle_start = 0ULL, cycle_end = 0ULL;
void *src = NULL, *dst = NULL;
@ -231,7 +231,7 @@ static u64 do_memcpy_cycles(const struct routine *r, size_t size)
return cycle_end - cycle_start;
}
static double do_memcpy_gettimeofday(const struct routine *r, size_t size)
static double do_memcpy_gettimeofday(const struct function *r, size_t size)
{
struct timeval tv_start, tv_end, tv_diff;
memcpy_t fn = r->fn.memcpy;
@ -259,7 +259,7 @@ static double do_memcpy_gettimeofday(const struct routine *r, size_t size)
return (double)(((double)size * nr_loops) / timeval2double(&tv_diff));
}
struct routine memcpy_routines[] = {
struct function memcpy_functions[] = {
{ .name = "default",
.desc = "Default memcpy() provided by glibc",
.fn.memcpy = memcpy },
@ -281,7 +281,7 @@ static const char * const bench_mem_memcpy_usage[] = {
int bench_mem_memcpy(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct bench_mem_info info = {
.routines = memcpy_routines,
.functions = memcpy_functions,
.do_cycles = do_memcpy_cycles,
.do_gettimeofday = do_memcpy_gettimeofday,
.usage = bench_mem_memcpy_usage,
@ -297,7 +297,7 @@ static void memset_alloc_mem(void **dst, size_t size)
die("memory allocation failed - maybe size is too large?\n");
}
static u64 do_memset_cycles(const struct routine *r, size_t size)
static u64 do_memset_cycles(const struct function *r, size_t size)
{
u64 cycle_start = 0ULL, cycle_end = 0ULL;
memset_t fn = r->fn.memset;
@ -321,7 +321,7 @@ static u64 do_memset_cycles(const struct routine *r, size_t size)
return cycle_end - cycle_start;
}
static double do_memset_gettimeofday(const struct routine *r, size_t size)
static double do_memset_gettimeofday(const struct function *r, size_t size)
{
struct timeval tv_start, tv_end, tv_diff;
memset_t fn = r->fn.memset;
@ -352,7 +352,7 @@ static const char * const bench_mem_memset_usage[] = {
NULL
};
static const struct routine memset_routines[] = {
static const struct function memset_functions[] = {
{ .name = "default",
.desc = "Default memset() provided by glibc",
.fn.memset = memset },
@ -369,7 +369,7 @@ static const struct routine memset_routines[] = {
int bench_mem_memset(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct bench_mem_info info = {
.routines = memset_routines,
.functions = memset_functions,
.do_cycles = do_memset_cycles,
.do_gettimeofday = do_memset_gettimeofday,
.usage = bench_mem_memset_usage,