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629cc356 HM |
1 | /* |
2 | * | |
3 | * builtin-bench.c | |
4 | * | |
5 | * General benchmarking subsystem provided by perf | |
6 | * | |
7 | * Copyright (C) 2009, Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> | |
8 | * | |
9 | */ | |
10 | ||
11 | /* | |
12 | * | |
13 | * Available subsystem list: | |
14 | * sched ... scheduler and IPC mechanism | |
827f3b49 | 15 | * mem ... memory access performance |
629cc356 HM |
16 | * |
17 | */ | |
18 | ||
19 | #include "perf.h" | |
20 | #include "util/util.h" | |
21 | #include "util/parse-options.h" | |
22 | #include "builtin.h" | |
23 | #include "bench/bench.h" | |
24 | ||
25 | #include <stdio.h> | |
26 | #include <stdlib.h> | |
27 | #include <string.h> | |
28 | ||
29 | struct bench_suite { | |
30 | const char *name; | |
31 | const char *summary; | |
32 | int (*fn)(int, const char **, const char *); | |
33 | }; | |
2044279d HM |
34 | \ |
35 | /* sentinel: easy for help */ | |
08942f6d | 36 | #define suite_all { "all", "Test all benchmark suites", NULL } |
629cc356 | 37 | |
79d824e3 | 38 | #ifdef LIBNUMA_SUPPORT |
1c13f3c9 IM |
39 | static struct bench_suite numa_suites[] = { |
40 | { "mem", | |
41 | "Benchmark for NUMA workloads", | |
42 | bench_numa }, | |
43 | suite_all, | |
44 | { NULL, | |
45 | NULL, | |
46 | NULL } | |
47 | }; | |
79d824e3 | 48 | #endif |
1c13f3c9 | 49 | |
629cc356 HM |
50 | static struct bench_suite sched_suites[] = { |
51 | { "messaging", | |
52 | "Benchmark for scheduler and IPC mechanisms", | |
53 | bench_sched_messaging }, | |
54 | { "pipe", | |
55 | "Flood of communication over pipe() between two processes", | |
56 | bench_sched_pipe }, | |
2044279d | 57 | suite_all, |
629cc356 HM |
58 | { NULL, |
59 | NULL, | |
60 | NULL } | |
61 | }; | |
62 | ||
827f3b49 HM |
63 | static struct bench_suite mem_suites[] = { |
64 | { "memcpy", | |
65 | "Simple memory copy in various ways", | |
66 | bench_mem_memcpy }, | |
be3de80d JB |
67 | { "memset", |
68 | "Simple memory set in various ways", | |
69 | bench_mem_memset }, | |
2044279d | 70 | suite_all, |
827f3b49 HM |
71 | { NULL, |
72 | NULL, | |
73 | NULL } | |
74 | }; | |
75 | ||
629cc356 HM |
76 | struct bench_subsys { |
77 | const char *name; | |
78 | const char *summary; | |
79 | struct bench_suite *suites; | |
80 | }; | |
81 | ||
82 | static struct bench_subsys subsystems[] = { | |
79d824e3 | 83 | #ifdef LIBNUMA_SUPPORT |
1c13f3c9 IM |
84 | { "numa", |
85 | "NUMA scheduling and MM behavior", | |
86 | numa_suites }, | |
79d824e3 | 87 | #endif |
629cc356 HM |
88 | { "sched", |
89 | "scheduler and IPC mechanism", | |
90 | sched_suites }, | |
827f3b49 HM |
91 | { "mem", |
92 | "memory access performance", | |
93 | mem_suites }, | |
2044279d | 94 | { "all", /* sentinel: easy for help */ |
08942f6d | 95 | "all benchmark subsystem", |
2044279d | 96 | NULL }, |
629cc356 HM |
97 | { NULL, |
98 | NULL, | |
827f3b49 | 99 | NULL } |
629cc356 HM |
100 | }; |
101 | ||
102 | static void dump_suites(int subsys_index) | |
103 | { | |
104 | int i; | |
105 | ||
2044279d | 106 | printf("# List of available suites for %s...\n\n", |
629cc356 HM |
107 | subsystems[subsys_index].name); |
108 | ||
109 | for (i = 0; subsystems[subsys_index].suites[i].name; i++) | |
2044279d | 110 | printf("%14s: %s\n", |
629cc356 HM |
111 | subsystems[subsys_index].suites[i].name, |
112 | subsystems[subsys_index].suites[i].summary); | |
113 | ||
114 | printf("\n"); | |
115 | return; | |
116 | } | |
117 | ||
edb7c60e | 118 | static const char *bench_format_str; |
386d7e9e HM |
119 | int bench_format = BENCH_FORMAT_DEFAULT; |
120 | ||
121 | static const struct option bench_options[] = { | |
122 | OPT_STRING('f', "format", &bench_format_str, "default", | |
123 | "Specify format style"), | |
124 | OPT_END() | |
125 | }; | |
126 | ||
127 | static const char * const bench_usage[] = { | |
128 | "perf bench [<common options>] <subsystem> <suite> [<options>]", | |
129 | NULL | |
130 | }; | |
131 | ||
132 | static void print_usage(void) | |
133 | { | |
134 | int i; | |
135 | ||
136 | printf("Usage: \n"); | |
137 | for (i = 0; bench_usage[i]; i++) | |
138 | printf("\t%s\n", bench_usage[i]); | |
139 | printf("\n"); | |
140 | ||
2044279d | 141 | printf("# List of available subsystems...\n\n"); |
386d7e9e HM |
142 | |
143 | for (i = 0; subsystems[i].name; i++) | |
2044279d | 144 | printf("%14s: %s\n", |
386d7e9e HM |
145 | subsystems[i].name, subsystems[i].summary); |
146 | printf("\n"); | |
147 | } | |
148 | ||
edb7c60e | 149 | static int bench_str2int(const char *str) |
386d7e9e HM |
150 | { |
151 | if (!str) | |
152 | return BENCH_FORMAT_DEFAULT; | |
153 | ||
154 | if (!strcmp(str, BENCH_FORMAT_DEFAULT_STR)) | |
155 | return BENCH_FORMAT_DEFAULT; | |
156 | else if (!strcmp(str, BENCH_FORMAT_SIMPLE_STR)) | |
157 | return BENCH_FORMAT_SIMPLE; | |
158 | ||
159 | return BENCH_FORMAT_UNKNOWN; | |
160 | } | |
161 | ||
2044279d HM |
162 | static void all_suite(struct bench_subsys *subsys) /* FROM HERE */ |
163 | { | |
164 | int i; | |
165 | const char *argv[2]; | |
166 | struct bench_suite *suites = subsys->suites; | |
167 | ||
168 | argv[1] = NULL; | |
169 | /* | |
170 | * TODO: | |
171 | * preparing preset parameters for | |
172 | * embedded, ordinary PC, HPC, etc... | |
173 | * will be helpful | |
174 | */ | |
175 | for (i = 0; suites[i].fn; i++) { | |
176 | printf("# Running %s/%s benchmark...\n", | |
177 | subsys->name, | |
178 | suites[i].name); | |
9b494ea2 | 179 | fflush(stdout); |
2044279d HM |
180 | |
181 | argv[1] = suites[i].name; | |
182 | suites[i].fn(1, argv, NULL); | |
183 | printf("\n"); | |
184 | } | |
185 | } | |
186 | ||
187 | static void all_subsystem(void) | |
188 | { | |
189 | int i; | |
190 | for (i = 0; subsystems[i].suites; i++) | |
191 | all_suite(&subsystems[i]); | |
192 | } | |
193 | ||
1d037ca1 | 194 | int cmd_bench(int argc, const char **argv, const char *prefix __maybe_unused) |
629cc356 HM |
195 | { |
196 | int i, j, status = 0; | |
197 | ||
198 | if (argc < 2) { | |
199 | /* No subsystem specified. */ | |
386d7e9e HM |
200 | print_usage(); |
201 | goto end; | |
202 | } | |
629cc356 | 203 | |
386d7e9e HM |
204 | argc = parse_options(argc, argv, bench_options, bench_usage, |
205 | PARSE_OPT_STOP_AT_NON_OPTION); | |
206 | ||
207 | bench_format = bench_str2int(bench_format_str); | |
208 | if (bench_format == BENCH_FORMAT_UNKNOWN) { | |
209 | printf("Unknown format descriptor:%s\n", bench_format_str); | |
210 | goto end; | |
211 | } | |
629cc356 | 212 | |
386d7e9e HM |
213 | if (argc < 1) { |
214 | print_usage(); | |
629cc356 HM |
215 | goto end; |
216 | } | |
217 | ||
2044279d HM |
218 | if (!strcmp(argv[0], "all")) { |
219 | all_subsystem(); | |
220 | goto end; | |
221 | } | |
222 | ||
629cc356 | 223 | for (i = 0; subsystems[i].name; i++) { |
386d7e9e | 224 | if (strcmp(subsystems[i].name, argv[0])) |
629cc356 HM |
225 | continue; |
226 | ||
386d7e9e | 227 | if (argc < 2) { |
629cc356 HM |
228 | /* No suite specified. */ |
229 | dump_suites(i); | |
230 | goto end; | |
231 | } | |
232 | ||
2044279d HM |
233 | if (!strcmp(argv[1], "all")) { |
234 | all_suite(&subsystems[i]); | |
235 | goto end; | |
236 | } | |
237 | ||
629cc356 | 238 | for (j = 0; subsystems[i].suites[j].name; j++) { |
386d7e9e | 239 | if (strcmp(subsystems[i].suites[j].name, argv[1])) |
629cc356 HM |
240 | continue; |
241 | ||
79e295d4 HM |
242 | if (bench_format == BENCH_FORMAT_DEFAULT) |
243 | printf("# Running %s/%s benchmark...\n", | |
244 | subsystems[i].name, | |
245 | subsystems[i].suites[j].name); | |
9b494ea2 | 246 | fflush(stdout); |
386d7e9e HM |
247 | status = subsystems[i].suites[j].fn(argc - 1, |
248 | argv + 1, prefix); | |
629cc356 HM |
249 | goto end; |
250 | } | |
251 | ||
386d7e9e | 252 | if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) { |
629cc356 HM |
253 | dump_suites(i); |
254 | goto end; | |
255 | } | |
256 | ||
386d7e9e | 257 | printf("Unknown suite:%s for %s\n", argv[1], argv[0]); |
629cc356 HM |
258 | status = 1; |
259 | goto end; | |
260 | } | |
261 | ||
386d7e9e | 262 | printf("Unknown subsystem:%s\n", argv[0]); |
629cc356 HM |
263 | status = 1; |
264 | ||
265 | end: | |
266 | return status; | |
267 | } |