129 lines
2.4 KiB
C
129 lines
2.4 KiB
C
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/*
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*
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* builtin-bench.c
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*
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* General benchmarking subsystem provided by perf
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*
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* Copyright (C) 2009, Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
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*
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*/
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/*
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*
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* Available subsystem list:
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* sched ... scheduler and IPC mechanism
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*
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*/
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#include "perf.h"
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#include "util/util.h"
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#include "util/parse-options.h"
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#include "builtin.h"
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#include "bench/bench.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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struct bench_suite {
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const char *name;
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const char *summary;
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int (*fn)(int, const char **, const char *);
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};
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static struct bench_suite sched_suites[] = {
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{ "messaging",
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"Benchmark for scheduler and IPC mechanisms",
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bench_sched_messaging },
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{ "pipe",
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"Flood of communication over pipe() between two processes",
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bench_sched_pipe },
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{ NULL,
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NULL,
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NULL }
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};
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struct bench_subsys {
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const char *name;
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const char *summary;
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struct bench_suite *suites;
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};
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static struct bench_subsys subsystems[] = {
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{ "sched",
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"scheduler and IPC mechanism",
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sched_suites },
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{ NULL,
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NULL,
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NULL }
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};
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static void dump_suites(int subsys_index)
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{
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int i;
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printf("List of available suites for %s...\n\n",
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subsystems[subsys_index].name);
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for (i = 0; subsystems[subsys_index].suites[i].name; i++)
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printf("\t%s: %s\n",
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subsystems[subsys_index].suites[i].name,
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subsystems[subsys_index].suites[i].summary);
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printf("\n");
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return;
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}
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int cmd_bench(int argc, const char **argv, const char *prefix __used)
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{
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int i, j, status = 0;
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if (argc < 2) {
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/* No subsystem specified. */
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printf("Usage: perf bench <subsystem> <suite> [<options>]\n\n");
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printf("List of available subsystems...\n\n");
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for (i = 0; subsystems[i].name; i++)
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printf("\t%s: %s\n",
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subsystems[i].name, subsystems[i].summary);
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printf("\n");
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goto end;
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}
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for (i = 0; subsystems[i].name; i++) {
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if (strcmp(subsystems[i].name, argv[1]))
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continue;
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if (argc < 3) {
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/* No suite specified. */
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dump_suites(i);
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goto end;
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}
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for (j = 0; subsystems[i].suites[j].name; j++) {
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if (strcmp(subsystems[i].suites[j].name, argv[2]))
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continue;
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status = subsystems[i].suites[j].fn(argc - 2,
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argv + 2, prefix);
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goto end;
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}
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if (!strcmp(argv[2], "-h") || !strcmp(argv[2], "--help")) {
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dump_suites(i);
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goto end;
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}
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printf("Unknown suite:%s for %s\n", argv[2], argv[1]);
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status = 1;
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goto end;
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}
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printf("Unknown subsystem:%s\n", argv[1]);
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status = 1;
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end:
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return status;
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}
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