Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Arnaldo Carvalho de Melo | fd20e81 | 2017-04-17 15:23:08 -0300 | [diff] [blame] | 2 | #include <inttypes.h> |
Arnaldo Carvalho de Melo | 7a8ef4c | 2017-04-19 20:57:47 -0300 | [diff] [blame] | 3 | #include <sys/types.h> |
| 4 | #include <sys/stat.h> |
| 5 | #include <unistd.h> |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 6 | #include "builtin.h" |
| 7 | #include "perf.h" |
| 8 | |
Josh Poimboeuf | 4b6ab94 | 2015-12-15 09:39:39 -0600 | [diff] [blame] | 9 | #include <subcmd/parse-options.h> |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 10 | #include "util/trace-event.h" |
| 11 | #include "util/tool.h" |
| 12 | #include "util/session.h" |
Jiri Olsa | f5fc1412 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 13 | #include "util/data.h" |
Jiri Olsa | acbe613 | 2016-02-15 09:34:34 +0100 | [diff] [blame] | 14 | #include "util/mem-events.h" |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 15 | #include "util/debug.h" |
Arnaldo Carvalho de Melo | e7ff892 | 2017-04-19 21:34:35 -0300 | [diff] [blame] | 16 | #include "util/symbol.h" |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 17 | |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 18 | #define MEM_OPERATION_LOAD 0x1 |
| 19 | #define MEM_OPERATION_STORE 0x2 |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 20 | |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 21 | struct perf_mem { |
| 22 | struct perf_tool tool; |
| 23 | char const *input_name; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 24 | bool hide_unresolved; |
| 25 | bool dump_raw; |
Yunlong Song | 62a1a63 | 2015-04-02 21:47:15 +0800 | [diff] [blame] | 26 | bool force; |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 27 | bool phys_addr; |
Arnaldo Carvalho de Melo | 6602412 | 2014-12-17 13:53:27 -0300 | [diff] [blame] | 28 | int operation; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 29 | const char *cpu_list; |
| 30 | DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
| 31 | }; |
| 32 | |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 33 | static int parse_record_events(const struct option *opt, |
| 34 | const char *str, int unset __maybe_unused) |
| 35 | { |
| 36 | struct perf_mem *mem = *(struct perf_mem **)opt->value; |
| 37 | int j; |
| 38 | |
| 39 | if (strcmp(str, "list")) { |
| 40 | if (!perf_mem_events__parse(str)) { |
| 41 | mem->operation = 0; |
| 42 | return 0; |
| 43 | } |
| 44 | exit(-1); |
| 45 | } |
| 46 | |
| 47 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { |
| 48 | struct perf_mem_event *e = &perf_mem_events[j]; |
| 49 | |
Jiri Olsa | 54fbad5 | 2016-02-24 09:46:42 +0100 | [diff] [blame] | 50 | fprintf(stderr, "%-13s%-*s%s\n", |
| 51 | e->tag, |
Namhyung Kim | bb963e1 | 2017-02-17 17:17:38 +0900 | [diff] [blame] | 52 | verbose > 0 ? 25 : 0, |
| 53 | verbose > 0 ? perf_mem_events__name(j) : "", |
Jiri Olsa | 54fbad5 | 2016-02-24 09:46:42 +0100 | [diff] [blame] | 54 | e->supported ? ": available" : ""); |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 55 | } |
| 56 | exit(0); |
| 57 | } |
| 58 | |
| 59 | static const char * const __usage[] = { |
| 60 | "perf mem record [<options>] [<command>]", |
| 61 | "perf mem record [<options>] -- <command> [<options>]", |
| 62 | NULL |
| 63 | }; |
| 64 | |
| 65 | static const char * const *record_mem_usage = __usage; |
| 66 | |
Arnaldo Carvalho de Melo | 6602412 | 2014-12-17 13:53:27 -0300 | [diff] [blame] | 67 | static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 68 | { |
| 69 | int rec_argc, i = 0, j; |
| 70 | const char **rec_argv; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 71 | int ret; |
Jiri Olsa | ad16511 | 2016-03-24 13:52:16 +0100 | [diff] [blame] | 72 | bool all_user = false, all_kernel = false; |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 73 | struct option options[] = { |
| 74 | OPT_CALLBACK('e', "event", &mem, "event", |
| 75 | "event selector. use 'perf mem record -e list' to list available events", |
| 76 | parse_record_events), |
Jiri Olsa | b0d745b | 2016-06-14 20:19:11 +0200 | [diff] [blame] | 77 | OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 78 | OPT_INCR('v', "verbose", &verbose, |
| 79 | "be more verbose (show counter open errors, etc)"), |
Jiri Olsa | 631ac41 | 2016-12-12 11:35:39 +0100 | [diff] [blame] | 80 | OPT_BOOLEAN('U', "all-user", &all_user, "collect only user level data"), |
| 81 | OPT_BOOLEAN('K', "all-kernel", &all_kernel, "collect only kernel level data"), |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 82 | OPT_END() |
| 83 | }; |
| 84 | |
| 85 | argc = parse_options(argc, argv, options, record_mem_usage, |
Andi Kleen | a7e9eab | 2018-04-06 13:38:09 -0700 | [diff] [blame^] | 86 | PARSE_OPT_KEEP_UNKNOWN); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 87 | |
Jiri Olsa | ad16511 | 2016-03-24 13:52:16 +0100 | [diff] [blame] | 88 | rec_argc = argc + 9; /* max number of arguments */ |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 89 | rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| 90 | if (!rec_argv) |
| 91 | return -1; |
| 92 | |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 93 | rec_argv[i++] = "record"; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 94 | |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 95 | if (mem->operation & MEM_OPERATION_LOAD) |
Jiri Olsa | acbe613 | 2016-02-15 09:34:34 +0100 | [diff] [blame] | 96 | perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 97 | |
Jiri Olsa | 33da54f | 2016-08-11 10:50:57 +0200 | [diff] [blame] | 98 | if (mem->operation & MEM_OPERATION_STORE) |
| 99 | perf_mem_events[PERF_MEM_EVENTS__STORE].record = true; |
| 100 | |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 101 | if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 102 | rec_argv[i++] = "-W"; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 103 | |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 104 | rec_argv[i++] = "-d"; |
| 105 | |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 106 | if (mem->phys_addr) |
| 107 | rec_argv[i++] = "--phys-data"; |
| 108 | |
Jiri Olsa | acbe613 | 2016-02-15 09:34:34 +0100 | [diff] [blame] | 109 | for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { |
| 110 | if (!perf_mem_events[j].record) |
| 111 | continue; |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 112 | |
Jiri Olsa | 54fbad5 | 2016-02-24 09:46:42 +0100 | [diff] [blame] | 113 | if (!perf_mem_events[j].supported) { |
| 114 | pr_err("failed: event '%s' not supported\n", |
Jiri Olsa | 2ba7ac5 | 2016-02-24 09:46:43 +0100 | [diff] [blame] | 115 | perf_mem_events__name(j)); |
Martin Kepplinger | c896f85 | 2017-09-13 21:14:19 +0200 | [diff] [blame] | 116 | free(rec_argv); |
Jiri Olsa | 54fbad5 | 2016-02-24 09:46:42 +0100 | [diff] [blame] | 117 | return -1; |
| 118 | } |
| 119 | |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 120 | rec_argv[i++] = "-e"; |
Jiri Olsa | 2ba7ac5 | 2016-02-24 09:46:43 +0100 | [diff] [blame] | 121 | rec_argv[i++] = perf_mem_events__name(j); |
Jiri Olsa | acbe613 | 2016-02-15 09:34:34 +0100 | [diff] [blame] | 122 | }; |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 123 | |
Jiri Olsa | ad16511 | 2016-03-24 13:52:16 +0100 | [diff] [blame] | 124 | if (all_user) |
| 125 | rec_argv[i++] = "--all-user"; |
| 126 | |
| 127 | if (all_kernel) |
| 128 | rec_argv[i++] = "--all-kernel"; |
| 129 | |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 130 | for (j = 0; j < argc; j++, i++) |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 131 | rec_argv[i] = argv[j]; |
| 132 | |
Jiri Olsa | ce1e22b | 2016-02-15 09:34:35 +0100 | [diff] [blame] | 133 | if (verbose > 0) { |
| 134 | pr_debug("calling: record "); |
| 135 | |
| 136 | while (rec_argv[j]) { |
| 137 | pr_debug("%s ", rec_argv[j]); |
| 138 | j++; |
| 139 | } |
| 140 | pr_debug("\n"); |
| 141 | } |
| 142 | |
Arnaldo Carvalho de Melo | b0ad8ea | 2017-03-27 11:47:20 -0300 | [diff] [blame] | 143 | ret = cmd_record(i, rec_argv); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 144 | free(rec_argv); |
| 145 | return ret; |
| 146 | } |
| 147 | |
| 148 | static int |
| 149 | dump_raw_samples(struct perf_tool *tool, |
| 150 | union perf_event *event, |
| 151 | struct perf_sample *sample, |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 152 | struct machine *machine) |
| 153 | { |
| 154 | struct perf_mem *mem = container_of(tool, struct perf_mem, tool); |
| 155 | struct addr_location al; |
| 156 | const char *fmt; |
| 157 | |
Arnaldo Carvalho de Melo | bb3eb56 | 2016-03-22 18:39:09 -0300 | [diff] [blame] | 158 | if (machine__resolve(machine, &al, sample) < 0) { |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 159 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
| 160 | event->header.type); |
| 161 | return -1; |
| 162 | } |
| 163 | |
| 164 | if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) |
Arnaldo Carvalho de Melo | b91fc39 | 2015-04-06 20:43:22 -0300 | [diff] [blame] | 165 | goto out_put; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 166 | |
| 167 | if (al.map != NULL) |
| 168 | al.map->dso->hit = 1; |
| 169 | |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 170 | if (mem->phys_addr) { |
| 171 | if (symbol_conf.field_sep) { |
| 172 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s0x%016"PRIx64 |
| 173 | "%s%"PRIu64"%s0x%"PRIx64"%s%s:%s\n"; |
| 174 | } else { |
| 175 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 |
| 176 | "%s0x%016"PRIx64"%s%5"PRIu64"%s0x%06"PRIx64 |
| 177 | "%s%s:%s\n"; |
| 178 | symbol_conf.field_sep = " "; |
| 179 | } |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 180 | |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 181 | printf(fmt, |
| 182 | sample->pid, |
| 183 | symbol_conf.field_sep, |
| 184 | sample->tid, |
| 185 | symbol_conf.field_sep, |
| 186 | sample->ip, |
| 187 | symbol_conf.field_sep, |
| 188 | sample->addr, |
| 189 | symbol_conf.field_sep, |
| 190 | sample->phys_addr, |
| 191 | symbol_conf.field_sep, |
| 192 | sample->weight, |
| 193 | symbol_conf.field_sep, |
| 194 | sample->data_src, |
| 195 | symbol_conf.field_sep, |
| 196 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", |
| 197 | al.sym ? al.sym->name : "???"); |
| 198 | } else { |
| 199 | if (symbol_conf.field_sep) { |
| 200 | fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 |
| 201 | "%s0x%"PRIx64"%s%s:%s\n"; |
| 202 | } else { |
| 203 | fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 |
| 204 | "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; |
| 205 | symbol_conf.field_sep = " "; |
| 206 | } |
| 207 | |
| 208 | printf(fmt, |
| 209 | sample->pid, |
| 210 | symbol_conf.field_sep, |
| 211 | sample->tid, |
| 212 | symbol_conf.field_sep, |
| 213 | sample->ip, |
| 214 | symbol_conf.field_sep, |
| 215 | sample->addr, |
| 216 | symbol_conf.field_sep, |
| 217 | sample->weight, |
| 218 | symbol_conf.field_sep, |
| 219 | sample->data_src, |
| 220 | symbol_conf.field_sep, |
| 221 | al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", |
| 222 | al.sym ? al.sym->name : "???"); |
| 223 | } |
Arnaldo Carvalho de Melo | b91fc39 | 2015-04-06 20:43:22 -0300 | [diff] [blame] | 224 | out_put: |
| 225 | addr_location__put(&al); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 226 | return 0; |
| 227 | } |
| 228 | |
| 229 | static int process_sample_event(struct perf_tool *tool, |
| 230 | union perf_event *event, |
| 231 | struct perf_sample *sample, |
Arnaldo Carvalho de Melo | 8b640cc | 2013-12-19 17:00:45 -0300 | [diff] [blame] | 232 | struct perf_evsel *evsel __maybe_unused, |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 233 | struct machine *machine) |
| 234 | { |
Arnaldo Carvalho de Melo | 8b640cc | 2013-12-19 17:00:45 -0300 | [diff] [blame] | 235 | return dump_raw_samples(tool, event, sample, machine); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | static int report_raw_events(struct perf_mem *mem) |
| 239 | { |
Jiri Olsa | 8ceb41d | 2017-01-23 22:07:59 +0100 | [diff] [blame] | 240 | struct perf_data data = { |
Jiri Olsa | eae8ad8 | 2017-01-23 22:25:41 +0100 | [diff] [blame] | 241 | .file = { |
| 242 | .path = input_name, |
| 243 | }, |
| 244 | .mode = PERF_DATA_MODE_READ, |
| 245 | .force = mem->force, |
Jiri Olsa | f5fc1412 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 246 | }; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 247 | int ret; |
Jiri Olsa | 8ceb41d | 2017-01-23 22:07:59 +0100 | [diff] [blame] | 248 | struct perf_session *session = perf_session__new(&data, false, |
Jiri Olsa | f5fc1412 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 249 | &mem->tool); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 250 | |
| 251 | if (session == NULL) |
Taeung Song | 52e02834 | 2014-09-24 10:33:37 +0900 | [diff] [blame] | 252 | return -1; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 253 | |
| 254 | if (mem->cpu_list) { |
| 255 | ret = perf_session__cpu_bitmap(session, mem->cpu_list, |
| 256 | mem->cpu_bitmap); |
Taeung Song | 1df9fade | 2015-07-01 21:08:19 +0900 | [diff] [blame] | 257 | if (ret < 0) |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 258 | goto out_delete; |
| 259 | } |
| 260 | |
Taeung Song | 1df9fade | 2015-07-01 21:08:19 +0900 | [diff] [blame] | 261 | ret = symbol__init(&session->header.env); |
| 262 | if (ret < 0) |
| 263 | goto out_delete; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 264 | |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 265 | if (mem->phys_addr) |
| 266 | printf("# PID, TID, IP, ADDR, PHYS ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); |
| 267 | else |
| 268 | printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 269 | |
Taeung Song | 1df9fade | 2015-07-01 21:08:19 +0900 | [diff] [blame] | 270 | ret = perf_session__process_events(session); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 271 | |
| 272 | out_delete: |
| 273 | perf_session__delete(session); |
Taeung Song | 1df9fade | 2015-07-01 21:08:19 +0900 | [diff] [blame] | 274 | return ret; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 275 | } |
| 276 | |
| 277 | static int report_events(int argc, const char **argv, struct perf_mem *mem) |
| 278 | { |
| 279 | const char **rep_argv; |
| 280 | int ret, i = 0, j, rep_argc; |
| 281 | |
| 282 | if (mem->dump_raw) |
| 283 | return report_raw_events(mem); |
| 284 | |
| 285 | rep_argc = argc + 3; |
| 286 | rep_argv = calloc(rep_argc + 1, sizeof(char *)); |
| 287 | if (!rep_argv) |
| 288 | return -1; |
| 289 | |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 290 | rep_argv[i++] = "report"; |
| 291 | rep_argv[i++] = "--mem-mode"; |
| 292 | rep_argv[i++] = "-n"; /* display number of samples */ |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 293 | |
| 294 | /* |
| 295 | * there is no weight (cost) associated with stores, so don't print |
| 296 | * the column |
| 297 | */ |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 298 | if (!(mem->operation & MEM_OPERATION_LOAD)) { |
| 299 | if (mem->phys_addr) |
| 300 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," |
| 301 | "dso_daddr,tlb,locked,phys_daddr"; |
| 302 | else |
| 303 | rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," |
| 304 | "dso_daddr,tlb,locked"; |
| 305 | } else if (mem->phys_addr) |
| 306 | rep_argv[i++] = "--sort=local_weight,mem,sym,dso,symbol_daddr," |
| 307 | "dso_daddr,snoop,tlb,locked,phys_daddr"; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 308 | |
| 309 | for (j = 1; j < argc; j++, i++) |
| 310 | rep_argv[i] = argv[j]; |
| 311 | |
Arnaldo Carvalho de Melo | b0ad8ea | 2017-03-27 11:47:20 -0300 | [diff] [blame] | 312 | ret = cmd_report(i, rep_argv); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 313 | free(rep_argv); |
| 314 | return ret; |
| 315 | } |
| 316 | |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 317 | struct mem_mode { |
| 318 | const char *name; |
| 319 | int mode; |
| 320 | }; |
| 321 | |
| 322 | #define MEM_OPT(n, m) \ |
| 323 | { .name = n, .mode = (m) } |
| 324 | |
| 325 | #define MEM_END { .name = NULL } |
| 326 | |
| 327 | static const struct mem_mode mem_modes[]={ |
| 328 | MEM_OPT("load", MEM_OPERATION_LOAD), |
| 329 | MEM_OPT("store", MEM_OPERATION_STORE), |
| 330 | MEM_END |
| 331 | }; |
| 332 | |
| 333 | static int |
| 334 | parse_mem_ops(const struct option *opt, const char *str, int unset) |
| 335 | { |
| 336 | int *mode = (int *)opt->value; |
| 337 | const struct mem_mode *m; |
| 338 | char *s, *os = NULL, *p; |
| 339 | int ret = -1; |
| 340 | |
| 341 | if (unset) |
| 342 | return 0; |
| 343 | |
| 344 | /* str may be NULL in case no arg is passed to -t */ |
| 345 | if (str) { |
| 346 | /* because str is read-only */ |
| 347 | s = os = strdup(str); |
| 348 | if (!s) |
| 349 | return -1; |
| 350 | |
| 351 | /* reset mode */ |
| 352 | *mode = 0; |
| 353 | |
| 354 | for (;;) { |
| 355 | p = strchr(s, ','); |
| 356 | if (p) |
| 357 | *p = '\0'; |
| 358 | |
| 359 | for (m = mem_modes; m->name; m++) { |
| 360 | if (!strcasecmp(s, m->name)) |
| 361 | break; |
| 362 | } |
| 363 | if (!m->name) { |
| 364 | fprintf(stderr, "unknown sampling op %s," |
| 365 | " check man page\n", s); |
| 366 | goto error; |
| 367 | } |
| 368 | |
| 369 | *mode |= m->mode; |
| 370 | |
| 371 | if (!p) |
| 372 | break; |
| 373 | |
| 374 | s = p + 1; |
| 375 | } |
| 376 | } |
| 377 | ret = 0; |
| 378 | |
| 379 | if (*mode == 0) |
| 380 | *mode = MEM_OPERATION_LOAD; |
| 381 | error: |
| 382 | free(os); |
| 383 | return ret; |
| 384 | } |
| 385 | |
Arnaldo Carvalho de Melo | b0ad8ea | 2017-03-27 11:47:20 -0300 | [diff] [blame] | 386 | int cmd_mem(int argc, const char **argv) |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 387 | { |
| 388 | struct stat st; |
| 389 | struct perf_mem mem = { |
| 390 | .tool = { |
| 391 | .sample = process_sample_event, |
| 392 | .mmap = perf_event__process_mmap, |
Stephane Eranian | 5c5e854 | 2013-08-21 12:10:25 +0200 | [diff] [blame] | 393 | .mmap2 = perf_event__process_mmap2, |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 394 | .comm = perf_event__process_comm, |
| 395 | .lost = perf_event__process_lost, |
| 396 | .fork = perf_event__process_fork, |
| 397 | .build_id = perf_event__process_build_id, |
Hari Bathini | f3b3614 | 2017-03-08 02:11:43 +0530 | [diff] [blame] | 398 | .namespaces = perf_event__process_namespaces, |
Jiri Olsa | 0a8cb85 | 2014-07-06 14:18:21 +0200 | [diff] [blame] | 399 | .ordered_events = true, |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 400 | }, |
| 401 | .input_name = "perf.data", |
Arnaldo Carvalho de Melo | 6602412 | 2014-12-17 13:53:27 -0300 | [diff] [blame] | 402 | /* |
| 403 | * default to both load an store sampling |
| 404 | */ |
| 405 | .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 406 | }; |
| 407 | const struct option mem_options[] = { |
Arnaldo Carvalho de Melo | 6602412 | 2014-12-17 13:53:27 -0300 | [diff] [blame] | 408 | OPT_CALLBACK('t', "type", &mem.operation, |
Stephane Eranian | 67121f8 | 2014-12-17 16:23:55 +0100 | [diff] [blame] | 409 | "type", "memory operations(load,store) Default load,store", |
| 410 | parse_mem_ops), |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 411 | OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, |
| 412 | "dump raw samples in ASCII"), |
| 413 | OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, |
| 414 | "Only display entries resolved to a symbol"), |
| 415 | OPT_STRING('i', "input", &input_name, "file", |
| 416 | "input file name"), |
| 417 | OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", |
| 418 | "list of cpus to profile"), |
Wang Nan | 8b8ca6e | 2015-03-20 02:57:52 +0000 | [diff] [blame] | 419 | OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 420 | "separator", |
| 421 | "separator for columns, no spaces will be added" |
| 422 | " between columns '.' is reserved."), |
Yunlong Song | 62a1a63 | 2015-04-02 21:47:15 +0800 | [diff] [blame] | 423 | OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), |
Kan Liang | c35aeb9 | 2017-08-29 13:11:10 -0400 | [diff] [blame] | 424 | OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"), |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 425 | OPT_END() |
| 426 | }; |
Ramkumar Ramachandra | 8d2a2a1 | 2014-03-14 23:17:52 -0400 | [diff] [blame] | 427 | const char *const mem_subcommands[] = { "record", "report", NULL }; |
| 428 | const char *mem_usage[] = { |
| 429 | NULL, |
| 430 | NULL |
| 431 | }; |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 432 | |
Jiri Olsa | 54fbad5 | 2016-02-24 09:46:42 +0100 | [diff] [blame] | 433 | if (perf_mem_events__init()) { |
| 434 | pr_err("failed: memory events not supported\n"); |
| 435 | return -1; |
| 436 | } |
| 437 | |
Ramkumar Ramachandra | 8d2a2a1 | 2014-03-14 23:17:52 -0400 | [diff] [blame] | 438 | argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, |
Andi Kleen | a7e9eab | 2018-04-06 13:38:09 -0700 | [diff] [blame^] | 439 | mem_usage, PARSE_OPT_KEEP_UNKNOWN); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 440 | |
Arnaldo Carvalho de Melo | 6602412 | 2014-12-17 13:53:27 -0300 | [diff] [blame] | 441 | if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 442 | usage_with_options(mem_usage, mem_options); |
| 443 | |
| 444 | if (!mem.input_name || !strlen(mem.input_name)) { |
| 445 | if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
| 446 | mem.input_name = "-"; |
| 447 | else |
| 448 | mem.input_name = "perf.data"; |
| 449 | } |
| 450 | |
| 451 | if (!strncmp(argv[0], "rec", 3)) |
Arnaldo Carvalho de Melo | 6602412 | 2014-12-17 13:53:27 -0300 | [diff] [blame] | 452 | return __cmd_record(argc, argv, &mem); |
Stephane Eranian | 028f12e | 2013-01-24 16:10:38 +0100 | [diff] [blame] | 453 | else if (!strncmp(argv[0], "rep", 3)) |
| 454 | return report_events(argc, argv, &mem); |
| 455 | else |
| 456 | usage_with_options(mem_usage, mem_options); |
| 457 | |
| 458 | return 0; |
| 459 | } |