[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/os/linux/linux-3.4.x/tools/perf/builtin-bench.c b/ap/os/linux/linux-3.4.x/tools/perf/builtin-bench.c
new file mode 100644
index 0000000..b0e74ab
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/tools/perf/builtin-bench.c
@@ -0,0 +1,248 @@
+/*
+ *
+ * builtin-bench.c
+ *
+ * General benchmarking subsystem provided by perf
+ *
+ * Copyright (C) 2009, Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
+ *
+ */
+
+/*
+ *
+ * Available subsystem list:
+ * sched ... scheduler and IPC mechanism
+ * mem ... memory access performance
+ *
+ */
+
+#include "perf.h"
+#include "util/util.h"
+#include "util/parse-options.h"
+#include "builtin.h"
+#include "bench/bench.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct bench_suite {
+ const char *name;
+ const char *summary;
+ int (*fn)(int, const char **, const char *);
+};
+ \
+/* sentinel: easy for help */
+#define suite_all { "all", "test all suite (pseudo suite)", NULL }
+
+static struct bench_suite sched_suites[] = {
+ { "messaging",
+ "Benchmark for scheduler and IPC mechanisms",
+ bench_sched_messaging },
+ { "pipe",
+ "Flood of communication over pipe() between two processes",
+ bench_sched_pipe },
+ suite_all,
+ { NULL,
+ NULL,
+ NULL }
+};
+
+static struct bench_suite mem_suites[] = {
+ { "memcpy",
+ "Simple memory copy in various ways",
+ bench_mem_memcpy },
+ { "memset",
+ "Simple memory set in various ways",
+ bench_mem_memset },
+ suite_all,
+ { NULL,
+ NULL,
+ NULL }
+};
+
+struct bench_subsys {
+ const char *name;
+ const char *summary;
+ struct bench_suite *suites;
+};
+
+static struct bench_subsys subsystems[] = {
+ { "sched",
+ "scheduler and IPC mechanism",
+ sched_suites },
+ { "mem",
+ "memory access performance",
+ mem_suites },
+ { "all", /* sentinel: easy for help */
+ "test all subsystem (pseudo subsystem)",
+ NULL },
+ { NULL,
+ NULL,
+ NULL }
+};
+
+static void dump_suites(int subsys_index)
+{
+ int i;
+
+ printf("# List of available suites for %s...\n\n",
+ subsystems[subsys_index].name);
+
+ for (i = 0; subsystems[subsys_index].suites[i].name; i++)
+ printf("%14s: %s\n",
+ subsystems[subsys_index].suites[i].name,
+ subsystems[subsys_index].suites[i].summary);
+
+ printf("\n");
+ return;
+}
+
+static const char *bench_format_str;
+int bench_format = BENCH_FORMAT_DEFAULT;
+
+static const struct option bench_options[] = {
+ OPT_STRING('f', "format", &bench_format_str, "default",
+ "Specify format style"),
+ OPT_END()
+};
+
+static const char * const bench_usage[] = {
+ "perf bench [<common options>] <subsystem> <suite> [<options>]",
+ NULL
+};
+
+static void print_usage(void)
+{
+ int i;
+
+ printf("Usage: \n");
+ for (i = 0; bench_usage[i]; i++)
+ printf("\t%s\n", bench_usage[i]);
+ printf("\n");
+
+ printf("# List of available subsystems...\n\n");
+
+ for (i = 0; subsystems[i].name; i++)
+ printf("%14s: %s\n",
+ subsystems[i].name, subsystems[i].summary);
+ printf("\n");
+}
+
+static int bench_str2int(const char *str)
+{
+ if (!str)
+ return BENCH_FORMAT_DEFAULT;
+
+ if (!strcmp(str, BENCH_FORMAT_DEFAULT_STR))
+ return BENCH_FORMAT_DEFAULT;
+ else if (!strcmp(str, BENCH_FORMAT_SIMPLE_STR))
+ return BENCH_FORMAT_SIMPLE;
+
+ return BENCH_FORMAT_UNKNOWN;
+}
+
+static void all_suite(struct bench_subsys *subsys) /* FROM HERE */
+{
+ int i;
+ const char *argv[2];
+ struct bench_suite *suites = subsys->suites;
+
+ argv[1] = NULL;
+ /*
+ * TODO:
+ * preparing preset parameters for
+ * embedded, ordinary PC, HPC, etc...
+ * will be helpful
+ */
+ for (i = 0; suites[i].fn; i++) {
+ printf("# Running %s/%s benchmark...\n",
+ subsys->name,
+ suites[i].name);
+
+ argv[1] = suites[i].name;
+ suites[i].fn(1, argv, NULL);
+ printf("\n");
+ }
+}
+
+static void all_subsystem(void)
+{
+ int i;
+ for (i = 0; subsystems[i].suites; i++)
+ all_suite(&subsystems[i]);
+}
+
+int cmd_bench(int argc, const char **argv, const char *prefix __used)
+{
+ int i, j, status = 0;
+
+ if (argc < 2) {
+ /* No subsystem specified. */
+ print_usage();
+ goto end;
+ }
+
+ argc = parse_options(argc, argv, bench_options, bench_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ bench_format = bench_str2int(bench_format_str);
+ if (bench_format == BENCH_FORMAT_UNKNOWN) {
+ printf("Unknown format descriptor:%s\n", bench_format_str);
+ goto end;
+ }
+
+ if (argc < 1) {
+ print_usage();
+ goto end;
+ }
+
+ if (!strcmp(argv[0], "all")) {
+ all_subsystem();
+ goto end;
+ }
+
+ for (i = 0; subsystems[i].name; i++) {
+ if (strcmp(subsystems[i].name, argv[0]))
+ continue;
+
+ if (argc < 2) {
+ /* No suite specified. */
+ dump_suites(i);
+ goto end;
+ }
+
+ if (!strcmp(argv[1], "all")) {
+ all_suite(&subsystems[i]);
+ goto end;
+ }
+
+ for (j = 0; subsystems[i].suites[j].name; j++) {
+ if (strcmp(subsystems[i].suites[j].name, argv[1]))
+ continue;
+
+ if (bench_format == BENCH_FORMAT_DEFAULT)
+ printf("# Running %s/%s benchmark...\n",
+ subsystems[i].name,
+ subsystems[i].suites[j].name);
+ status = subsystems[i].suites[j].fn(argc - 1,
+ argv + 1, prefix);
+ goto end;
+ }
+
+ if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) {
+ dump_suites(i);
+ goto end;
+ }
+
+ printf("Unknown suite:%s for %s\n", argv[1], argv[0]);
+ status = 1;
+ goto end;
+ }
+
+ printf("Unknown subsystem:%s\n", argv[0]);
+ status = 1;
+
+end:
+ return status;
+}