|
@@ -0,0 +1,128 @@
|
|
|
+/*
|
|
|
+ *
|
|
|
+ * 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
|
|
|
+ *
|
|
|
+ */
|
|
|
+
|
|
|
+#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 *);
|
|
|
+};
|
|
|
+
|
|
|
+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 },
|
|
|
+ { 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 },
|
|
|
+ { 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("\t%s: %s\n",
|
|
|
+ subsystems[subsys_index].suites[i].name,
|
|
|
+ subsystems[subsys_index].suites[i].summary);
|
|
|
+
|
|
|
+ printf("\n");
|
|
|
+ return;
|
|
|
+}
|
|
|
+
|
|
|
+int cmd_bench(int argc, const char **argv, const char *prefix __used)
|
|
|
+{
|
|
|
+ int i, j, status = 0;
|
|
|
+
|
|
|
+ if (argc < 2) {
|
|
|
+ /* No subsystem specified. */
|
|
|
+ printf("Usage: perf bench <subsystem> <suite> [<options>]\n\n");
|
|
|
+ printf("List of available subsystems...\n\n");
|
|
|
+
|
|
|
+ for (i = 0; subsystems[i].name; i++)
|
|
|
+ printf("\t%s: %s\n",
|
|
|
+ subsystems[i].name, subsystems[i].summary);
|
|
|
+ printf("\n");
|
|
|
+
|
|
|
+ goto end;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (i = 0; subsystems[i].name; i++) {
|
|
|
+ if (strcmp(subsystems[i].name, argv[1]))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ if (argc < 3) {
|
|
|
+ /* No suite specified. */
|
|
|
+ dump_suites(i);
|
|
|
+ goto end;
|
|
|
+ }
|
|
|
+
|
|
|
+ for (j = 0; subsystems[i].suites[j].name; j++) {
|
|
|
+ if (strcmp(subsystems[i].suites[j].name, argv[2]))
|
|
|
+ continue;
|
|
|
+
|
|
|
+ status = subsystems[i].suites[j].fn(argc - 2,
|
|
|
+ argv + 2, prefix);
|
|
|
+ goto end;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!strcmp(argv[2], "-h") || !strcmp(argv[2], "--help")) {
|
|
|
+ dump_suites(i);
|
|
|
+ goto end;
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("Unknown suite:%s for %s\n", argv[2], argv[1]);
|
|
|
+ status = 1;
|
|
|
+ goto end;
|
|
|
+ }
|
|
|
+
|
|
|
+ printf("Unknown subsystem:%s\n", argv[1]);
|
|
|
+ status = 1;
|
|
|
+
|
|
|
+end:
|
|
|
+ return status;
|
|
|
+}
|