1028f12eeSStephane Eranian #include "builtin.h" 2028f12eeSStephane Eranian #include "perf.h" 3028f12eeSStephane Eranian 44b6ab94eSJosh Poimboeuf #include <subcmd/parse-options.h> 5028f12eeSStephane Eranian #include "util/trace-event.h" 6028f12eeSStephane Eranian #include "util/tool.h" 7028f12eeSStephane Eranian #include "util/session.h" 8f5fc1412SJiri Olsa #include "util/data.h" 9acbe613eSJiri Olsa #include "util/mem-events.h" 10ce1e22b0SJiri Olsa #include "util/debug.h" 11028f12eeSStephane Eranian 1267121f85SStephane Eranian #define MEM_OPERATION_LOAD 0x1 1367121f85SStephane Eranian #define MEM_OPERATION_STORE 0x2 14028f12eeSStephane Eranian 15028f12eeSStephane Eranian struct perf_mem { 16028f12eeSStephane Eranian struct perf_tool tool; 17028f12eeSStephane Eranian char const *input_name; 18028f12eeSStephane Eranian bool hide_unresolved; 19028f12eeSStephane Eranian bool dump_raw; 2062a1a63aSYunlong Song bool force; 2166024122SArnaldo Carvalho de Melo int operation; 22028f12eeSStephane Eranian const char *cpu_list; 23028f12eeSStephane Eranian DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 24028f12eeSStephane Eranian }; 25028f12eeSStephane Eranian 26ce1e22b0SJiri Olsa static int parse_record_events(const struct option *opt, 27ce1e22b0SJiri Olsa const char *str, int unset __maybe_unused) 28ce1e22b0SJiri Olsa { 29ce1e22b0SJiri Olsa struct perf_mem *mem = *(struct perf_mem **)opt->value; 30ce1e22b0SJiri Olsa int j; 31ce1e22b0SJiri Olsa 32ce1e22b0SJiri Olsa if (strcmp(str, "list")) { 33ce1e22b0SJiri Olsa if (!perf_mem_events__parse(str)) { 34ce1e22b0SJiri Olsa mem->operation = 0; 35ce1e22b0SJiri Olsa return 0; 36ce1e22b0SJiri Olsa } 37ce1e22b0SJiri Olsa exit(-1); 38ce1e22b0SJiri Olsa } 39ce1e22b0SJiri Olsa 40ce1e22b0SJiri Olsa for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { 41ce1e22b0SJiri Olsa struct perf_mem_event *e = &perf_mem_events[j]; 42ce1e22b0SJiri Olsa 4354fbad54SJiri Olsa fprintf(stderr, "%-13s%-*s%s\n", 4454fbad54SJiri Olsa e->tag, 4554fbad54SJiri Olsa verbose ? 25 : 0, 462ba7ac58SJiri Olsa verbose ? perf_mem_events__name(j) : "", 4754fbad54SJiri Olsa e->supported ? ": available" : ""); 48ce1e22b0SJiri Olsa } 49ce1e22b0SJiri Olsa exit(0); 50ce1e22b0SJiri Olsa } 51ce1e22b0SJiri Olsa 52ce1e22b0SJiri Olsa static const char * const __usage[] = { 53ce1e22b0SJiri Olsa "perf mem record [<options>] [<command>]", 54ce1e22b0SJiri Olsa "perf mem record [<options>] -- <command> [<options>]", 55ce1e22b0SJiri Olsa NULL 56ce1e22b0SJiri Olsa }; 57ce1e22b0SJiri Olsa 58ce1e22b0SJiri Olsa static const char * const *record_mem_usage = __usage; 59ce1e22b0SJiri Olsa 6066024122SArnaldo Carvalho de Melo static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) 61028f12eeSStephane Eranian { 62028f12eeSStephane Eranian int rec_argc, i = 0, j; 63028f12eeSStephane Eranian const char **rec_argv; 64028f12eeSStephane Eranian int ret; 65ad16511bSJiri Olsa bool all_user = false, all_kernel = false; 66ce1e22b0SJiri Olsa struct option options[] = { 67ce1e22b0SJiri Olsa OPT_CALLBACK('e', "event", &mem, "event", 68ce1e22b0SJiri Olsa "event selector. use 'perf mem record -e list' to list available events", 69ce1e22b0SJiri Olsa parse_record_events), 70b0d745b3SJiri Olsa OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), 71ce1e22b0SJiri Olsa OPT_INCR('v', "verbose", &verbose, 72ce1e22b0SJiri Olsa "be more verbose (show counter open errors, etc)"), 73ad16511bSJiri Olsa OPT_BOOLEAN('U', "--all-user", &all_user, "collect only user level data"), 74ad16511bSJiri Olsa OPT_BOOLEAN('K', "--all-kernel", &all_kernel, "collect only kernel level data"), 75ce1e22b0SJiri Olsa OPT_END() 76ce1e22b0SJiri Olsa }; 77ce1e22b0SJiri Olsa 78ce1e22b0SJiri Olsa argc = parse_options(argc, argv, options, record_mem_usage, 79ce1e22b0SJiri Olsa PARSE_OPT_STOP_AT_NON_OPTION); 80028f12eeSStephane Eranian 81ad16511bSJiri Olsa rec_argc = argc + 9; /* max number of arguments */ 82028f12eeSStephane Eranian rec_argv = calloc(rec_argc + 1, sizeof(char *)); 83028f12eeSStephane Eranian if (!rec_argv) 84028f12eeSStephane Eranian return -1; 85028f12eeSStephane Eranian 8667121f85SStephane Eranian rec_argv[i++] = "record"; 87028f12eeSStephane Eranian 88ce1e22b0SJiri Olsa if (mem->operation & MEM_OPERATION_LOAD) 89acbe613eSJiri Olsa perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true; 90ce1e22b0SJiri Olsa 91ce1e22b0SJiri Olsa if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record) 9267121f85SStephane Eranian rec_argv[i++] = "-W"; 93028f12eeSStephane Eranian 9467121f85SStephane Eranian rec_argv[i++] = "-d"; 9567121f85SStephane Eranian 96acbe613eSJiri Olsa for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) { 97acbe613eSJiri Olsa if (!perf_mem_events[j].record) 98acbe613eSJiri Olsa continue; 9967121f85SStephane Eranian 10054fbad54SJiri Olsa if (!perf_mem_events[j].supported) { 10154fbad54SJiri Olsa pr_err("failed: event '%s' not supported\n", 1022ba7ac58SJiri Olsa perf_mem_events__name(j)); 10354fbad54SJiri Olsa return -1; 10454fbad54SJiri Olsa } 10554fbad54SJiri Olsa 10667121f85SStephane Eranian rec_argv[i++] = "-e"; 1072ba7ac58SJiri Olsa rec_argv[i++] = perf_mem_events__name(j); 108acbe613eSJiri Olsa }; 10967121f85SStephane Eranian 110ad16511bSJiri Olsa if (all_user) 111ad16511bSJiri Olsa rec_argv[i++] = "--all-user"; 112ad16511bSJiri Olsa 113ad16511bSJiri Olsa if (all_kernel) 114ad16511bSJiri Olsa rec_argv[i++] = "--all-kernel"; 115ad16511bSJiri Olsa 116ce1e22b0SJiri Olsa for (j = 0; j < argc; j++, i++) 117028f12eeSStephane Eranian rec_argv[i] = argv[j]; 118028f12eeSStephane Eranian 119ce1e22b0SJiri Olsa if (verbose > 0) { 120ce1e22b0SJiri Olsa pr_debug("calling: record "); 121ce1e22b0SJiri Olsa 122ce1e22b0SJiri Olsa while (rec_argv[j]) { 123ce1e22b0SJiri Olsa pr_debug("%s ", rec_argv[j]); 124ce1e22b0SJiri Olsa j++; 125ce1e22b0SJiri Olsa } 126ce1e22b0SJiri Olsa pr_debug("\n"); 127ce1e22b0SJiri Olsa } 128ce1e22b0SJiri Olsa 129028f12eeSStephane Eranian ret = cmd_record(i, rec_argv, NULL); 130028f12eeSStephane Eranian free(rec_argv); 131028f12eeSStephane Eranian return ret; 132028f12eeSStephane Eranian } 133028f12eeSStephane Eranian 134028f12eeSStephane Eranian static int 135028f12eeSStephane Eranian dump_raw_samples(struct perf_tool *tool, 136028f12eeSStephane Eranian union perf_event *event, 137028f12eeSStephane Eranian struct perf_sample *sample, 138028f12eeSStephane Eranian struct machine *machine) 139028f12eeSStephane Eranian { 140028f12eeSStephane Eranian struct perf_mem *mem = container_of(tool, struct perf_mem, tool); 141028f12eeSStephane Eranian struct addr_location al; 142028f12eeSStephane Eranian const char *fmt; 143028f12eeSStephane Eranian 144bb3eb566SArnaldo Carvalho de Melo if (machine__resolve(machine, &al, sample) < 0) { 145028f12eeSStephane Eranian fprintf(stderr, "problem processing %d event, skipping it.\n", 146028f12eeSStephane Eranian event->header.type); 147028f12eeSStephane Eranian return -1; 148028f12eeSStephane Eranian } 149028f12eeSStephane Eranian 150028f12eeSStephane Eranian if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) 151b91fc39fSArnaldo Carvalho de Melo goto out_put; 152028f12eeSStephane Eranian 153028f12eeSStephane Eranian if (al.map != NULL) 154028f12eeSStephane Eranian al.map->dso->hit = 1; 155028f12eeSStephane Eranian 156028f12eeSStephane Eranian if (symbol_conf.field_sep) { 157028f12eeSStephane Eranian fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 158028f12eeSStephane Eranian "%s0x%"PRIx64"%s%s:%s\n"; 159028f12eeSStephane Eranian } else { 160028f12eeSStephane Eranian fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 161028f12eeSStephane Eranian "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; 162028f12eeSStephane Eranian symbol_conf.field_sep = " "; 163028f12eeSStephane Eranian } 164028f12eeSStephane Eranian 165028f12eeSStephane Eranian printf(fmt, 166028f12eeSStephane Eranian sample->pid, 167028f12eeSStephane Eranian symbol_conf.field_sep, 168028f12eeSStephane Eranian sample->tid, 169028f12eeSStephane Eranian symbol_conf.field_sep, 170ef89325fSAdrian Hunter sample->ip, 171028f12eeSStephane Eranian symbol_conf.field_sep, 172028f12eeSStephane Eranian sample->addr, 173028f12eeSStephane Eranian symbol_conf.field_sep, 174028f12eeSStephane Eranian sample->weight, 175028f12eeSStephane Eranian symbol_conf.field_sep, 176028f12eeSStephane Eranian sample->data_src, 177028f12eeSStephane Eranian symbol_conf.field_sep, 178028f12eeSStephane Eranian al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", 179028f12eeSStephane Eranian al.sym ? al.sym->name : "???"); 180b91fc39fSArnaldo Carvalho de Melo out_put: 181b91fc39fSArnaldo Carvalho de Melo addr_location__put(&al); 182028f12eeSStephane Eranian return 0; 183028f12eeSStephane Eranian } 184028f12eeSStephane Eranian 185028f12eeSStephane Eranian static int process_sample_event(struct perf_tool *tool, 186028f12eeSStephane Eranian union perf_event *event, 187028f12eeSStephane Eranian struct perf_sample *sample, 1888b640cc4SArnaldo Carvalho de Melo struct perf_evsel *evsel __maybe_unused, 189028f12eeSStephane Eranian struct machine *machine) 190028f12eeSStephane Eranian { 1918b640cc4SArnaldo Carvalho de Melo return dump_raw_samples(tool, event, sample, machine); 192028f12eeSStephane Eranian } 193028f12eeSStephane Eranian 194028f12eeSStephane Eranian static int report_raw_events(struct perf_mem *mem) 195028f12eeSStephane Eranian { 196f5fc1412SJiri Olsa struct perf_data_file file = { 197f5fc1412SJiri Olsa .path = input_name, 198f5fc1412SJiri Olsa .mode = PERF_DATA_MODE_READ, 19962a1a63aSYunlong Song .force = mem->force, 200f5fc1412SJiri Olsa }; 201028f12eeSStephane Eranian int ret; 202f5fc1412SJiri Olsa struct perf_session *session = perf_session__new(&file, false, 203f5fc1412SJiri Olsa &mem->tool); 204028f12eeSStephane Eranian 205028f12eeSStephane Eranian if (session == NULL) 20652e02834STaeung Song return -1; 207028f12eeSStephane Eranian 208028f12eeSStephane Eranian if (mem->cpu_list) { 209028f12eeSStephane Eranian ret = perf_session__cpu_bitmap(session, mem->cpu_list, 210028f12eeSStephane Eranian mem->cpu_bitmap); 2111df9fadeSTaeung Song if (ret < 0) 212028f12eeSStephane Eranian goto out_delete; 213028f12eeSStephane Eranian } 214028f12eeSStephane Eranian 2151df9fadeSTaeung Song ret = symbol__init(&session->header.env); 2161df9fadeSTaeung Song if (ret < 0) 2171df9fadeSTaeung Song goto out_delete; 218028f12eeSStephane Eranian 219028f12eeSStephane Eranian printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); 220028f12eeSStephane Eranian 2211df9fadeSTaeung Song ret = perf_session__process_events(session); 222028f12eeSStephane Eranian 223028f12eeSStephane Eranian out_delete: 224028f12eeSStephane Eranian perf_session__delete(session); 2251df9fadeSTaeung Song return ret; 226028f12eeSStephane Eranian } 227028f12eeSStephane Eranian 228028f12eeSStephane Eranian static int report_events(int argc, const char **argv, struct perf_mem *mem) 229028f12eeSStephane Eranian { 230028f12eeSStephane Eranian const char **rep_argv; 231028f12eeSStephane Eranian int ret, i = 0, j, rep_argc; 232028f12eeSStephane Eranian 233028f12eeSStephane Eranian if (mem->dump_raw) 234028f12eeSStephane Eranian return report_raw_events(mem); 235028f12eeSStephane Eranian 236028f12eeSStephane Eranian rep_argc = argc + 3; 237028f12eeSStephane Eranian rep_argv = calloc(rep_argc + 1, sizeof(char *)); 238028f12eeSStephane Eranian if (!rep_argv) 239028f12eeSStephane Eranian return -1; 240028f12eeSStephane Eranian 24167121f85SStephane Eranian rep_argv[i++] = "report"; 24267121f85SStephane Eranian rep_argv[i++] = "--mem-mode"; 24367121f85SStephane Eranian rep_argv[i++] = "-n"; /* display number of samples */ 244028f12eeSStephane Eranian 245028f12eeSStephane Eranian /* 246028f12eeSStephane Eranian * there is no weight (cost) associated with stores, so don't print 247028f12eeSStephane Eranian * the column 248028f12eeSStephane Eranian */ 24966024122SArnaldo Carvalho de Melo if (!(mem->operation & MEM_OPERATION_LOAD)) 25067121f85SStephane Eranian rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," 25167121f85SStephane Eranian "dso_daddr,tlb,locked"; 252028f12eeSStephane Eranian 253028f12eeSStephane Eranian for (j = 1; j < argc; j++, i++) 254028f12eeSStephane Eranian rep_argv[i] = argv[j]; 255028f12eeSStephane Eranian 256028f12eeSStephane Eranian ret = cmd_report(i, rep_argv, NULL); 257028f12eeSStephane Eranian free(rep_argv); 258028f12eeSStephane Eranian return ret; 259028f12eeSStephane Eranian } 260028f12eeSStephane Eranian 26167121f85SStephane Eranian struct mem_mode { 26267121f85SStephane Eranian const char *name; 26367121f85SStephane Eranian int mode; 26467121f85SStephane Eranian }; 26567121f85SStephane Eranian 26667121f85SStephane Eranian #define MEM_OPT(n, m) \ 26767121f85SStephane Eranian { .name = n, .mode = (m) } 26867121f85SStephane Eranian 26967121f85SStephane Eranian #define MEM_END { .name = NULL } 27067121f85SStephane Eranian 27167121f85SStephane Eranian static const struct mem_mode mem_modes[]={ 27267121f85SStephane Eranian MEM_OPT("load", MEM_OPERATION_LOAD), 27367121f85SStephane Eranian MEM_OPT("store", MEM_OPERATION_STORE), 27467121f85SStephane Eranian MEM_END 27567121f85SStephane Eranian }; 27667121f85SStephane Eranian 27767121f85SStephane Eranian static int 27867121f85SStephane Eranian parse_mem_ops(const struct option *opt, const char *str, int unset) 27967121f85SStephane Eranian { 28067121f85SStephane Eranian int *mode = (int *)opt->value; 28167121f85SStephane Eranian const struct mem_mode *m; 28267121f85SStephane Eranian char *s, *os = NULL, *p; 28367121f85SStephane Eranian int ret = -1; 28467121f85SStephane Eranian 28567121f85SStephane Eranian if (unset) 28667121f85SStephane Eranian return 0; 28767121f85SStephane Eranian 28867121f85SStephane Eranian /* str may be NULL in case no arg is passed to -t */ 28967121f85SStephane Eranian if (str) { 29067121f85SStephane Eranian /* because str is read-only */ 29167121f85SStephane Eranian s = os = strdup(str); 29267121f85SStephane Eranian if (!s) 29367121f85SStephane Eranian return -1; 29467121f85SStephane Eranian 29567121f85SStephane Eranian /* reset mode */ 29667121f85SStephane Eranian *mode = 0; 29767121f85SStephane Eranian 29867121f85SStephane Eranian for (;;) { 29967121f85SStephane Eranian p = strchr(s, ','); 30067121f85SStephane Eranian if (p) 30167121f85SStephane Eranian *p = '\0'; 30267121f85SStephane Eranian 30367121f85SStephane Eranian for (m = mem_modes; m->name; m++) { 30467121f85SStephane Eranian if (!strcasecmp(s, m->name)) 30567121f85SStephane Eranian break; 30667121f85SStephane Eranian } 30767121f85SStephane Eranian if (!m->name) { 30867121f85SStephane Eranian fprintf(stderr, "unknown sampling op %s," 30967121f85SStephane Eranian " check man page\n", s); 31067121f85SStephane Eranian goto error; 31167121f85SStephane Eranian } 31267121f85SStephane Eranian 31367121f85SStephane Eranian *mode |= m->mode; 31467121f85SStephane Eranian 31567121f85SStephane Eranian if (!p) 31667121f85SStephane Eranian break; 31767121f85SStephane Eranian 31867121f85SStephane Eranian s = p + 1; 31967121f85SStephane Eranian } 32067121f85SStephane Eranian } 32167121f85SStephane Eranian ret = 0; 32267121f85SStephane Eranian 32367121f85SStephane Eranian if (*mode == 0) 32467121f85SStephane Eranian *mode = MEM_OPERATION_LOAD; 32567121f85SStephane Eranian error: 32667121f85SStephane Eranian free(os); 32767121f85SStephane Eranian return ret; 32867121f85SStephane Eranian } 32967121f85SStephane Eranian 330028f12eeSStephane Eranian int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) 331028f12eeSStephane Eranian { 332028f12eeSStephane Eranian struct stat st; 333028f12eeSStephane Eranian struct perf_mem mem = { 334028f12eeSStephane Eranian .tool = { 335028f12eeSStephane Eranian .sample = process_sample_event, 336028f12eeSStephane Eranian .mmap = perf_event__process_mmap, 3375c5e854bSStephane Eranian .mmap2 = perf_event__process_mmap2, 338028f12eeSStephane Eranian .comm = perf_event__process_comm, 339028f12eeSStephane Eranian .lost = perf_event__process_lost, 340028f12eeSStephane Eranian .fork = perf_event__process_fork, 341028f12eeSStephane Eranian .build_id = perf_event__process_build_id, 3420a8cb85cSJiri Olsa .ordered_events = true, 343028f12eeSStephane Eranian }, 344028f12eeSStephane Eranian .input_name = "perf.data", 34566024122SArnaldo Carvalho de Melo /* 34666024122SArnaldo Carvalho de Melo * default to both load an store sampling 34766024122SArnaldo Carvalho de Melo */ 34866024122SArnaldo Carvalho de Melo .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, 349028f12eeSStephane Eranian }; 350028f12eeSStephane Eranian const struct option mem_options[] = { 35166024122SArnaldo Carvalho de Melo OPT_CALLBACK('t', "type", &mem.operation, 35267121f85SStephane Eranian "type", "memory operations(load,store) Default load,store", 35367121f85SStephane Eranian parse_mem_ops), 354028f12eeSStephane Eranian OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, 355028f12eeSStephane Eranian "dump raw samples in ASCII"), 356028f12eeSStephane Eranian OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, 357028f12eeSStephane Eranian "Only display entries resolved to a symbol"), 358028f12eeSStephane Eranian OPT_STRING('i', "input", &input_name, "file", 359028f12eeSStephane Eranian "input file name"), 360028f12eeSStephane Eranian OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", 361028f12eeSStephane Eranian "list of cpus to profile"), 3628b8ca6e1SWang Nan OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, 363028f12eeSStephane Eranian "separator", 364028f12eeSStephane Eranian "separator for columns, no spaces will be added" 365028f12eeSStephane Eranian " between columns '.' is reserved."), 36662a1a63aSYunlong Song OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), 367028f12eeSStephane Eranian OPT_END() 368028f12eeSStephane Eranian }; 3698d2a2a1dSRamkumar Ramachandra const char *const mem_subcommands[] = { "record", "report", NULL }; 3708d2a2a1dSRamkumar Ramachandra const char *mem_usage[] = { 3718d2a2a1dSRamkumar Ramachandra NULL, 3728d2a2a1dSRamkumar Ramachandra NULL 3738d2a2a1dSRamkumar Ramachandra }; 374028f12eeSStephane Eranian 37554fbad54SJiri Olsa if (perf_mem_events__init()) { 37654fbad54SJiri Olsa pr_err("failed: memory events not supported\n"); 37754fbad54SJiri Olsa return -1; 37854fbad54SJiri Olsa } 37954fbad54SJiri Olsa 3808d2a2a1dSRamkumar Ramachandra argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, 3818d2a2a1dSRamkumar Ramachandra mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); 382028f12eeSStephane Eranian 38366024122SArnaldo Carvalho de Melo if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) 384028f12eeSStephane Eranian usage_with_options(mem_usage, mem_options); 385028f12eeSStephane Eranian 386028f12eeSStephane Eranian if (!mem.input_name || !strlen(mem.input_name)) { 387028f12eeSStephane Eranian if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 388028f12eeSStephane Eranian mem.input_name = "-"; 389028f12eeSStephane Eranian else 390028f12eeSStephane Eranian mem.input_name = "perf.data"; 391028f12eeSStephane Eranian } 392028f12eeSStephane Eranian 393028f12eeSStephane Eranian if (!strncmp(argv[0], "rec", 3)) 39466024122SArnaldo Carvalho de Melo return __cmd_record(argc, argv, &mem); 395028f12eeSStephane Eranian else if (!strncmp(argv[0], "rep", 3)) 396028f12eeSStephane Eranian return report_events(argc, argv, &mem); 397028f12eeSStephane Eranian else 398028f12eeSStephane Eranian usage_with_options(mem_usage, mem_options); 399028f12eeSStephane Eranian 400028f12eeSStephane Eranian return 0; 401028f12eeSStephane Eranian } 402