diff options
| -rw-r--r-- | tools/perf/Documentation/perf-bench.txt | 16 | ||||
| -rw-r--r-- | tools/perf/bench/mem-functions.c | 60 |
2 files changed, 38 insertions, 38 deletions
diff --git a/tools/perf/Documentation/perf-bench.txt b/tools/perf/Documentation/perf-bench.txt index ddfb3e10e88c..34750fc32714 100644 --- a/tools/perf/Documentation/perf-bench.txt +++ b/tools/perf/Documentation/perf-bench.txt @@ -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:: diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c index c5dfabdbd8d0..d1de9c4a7ddf 100644 --- a/tools/perf/bench/mem-functions.c +++ b/tools/perf/bench/mem-functions.c @@ -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, |
