1028f12eeSStephane Eranian #include "builtin.h" 2028f12eeSStephane Eranian #include "perf.h" 3028f12eeSStephane Eranian 4028f12eeSStephane Eranian #include "util/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" 9028f12eeSStephane Eranian 1067121f85SStephane Eranian #define MEM_OPERATION_LOAD 0x1 1167121f85SStephane Eranian #define MEM_OPERATION_STORE 0x2 12028f12eeSStephane Eranian 13028f12eeSStephane Eranian struct perf_mem { 14028f12eeSStephane Eranian struct perf_tool tool; 15028f12eeSStephane Eranian char const *input_name; 16028f12eeSStephane Eranian bool hide_unresolved; 17028f12eeSStephane Eranian bool dump_raw; 1866024122SArnaldo Carvalho de Melo int operation; 19028f12eeSStephane Eranian const char *cpu_list; 20028f12eeSStephane Eranian DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); 21028f12eeSStephane Eranian }; 22028f12eeSStephane Eranian 2366024122SArnaldo Carvalho de Melo static int __cmd_record(int argc, const char **argv, struct perf_mem *mem) 24028f12eeSStephane Eranian { 25028f12eeSStephane Eranian int rec_argc, i = 0, j; 26028f12eeSStephane Eranian const char **rec_argv; 27028f12eeSStephane Eranian int ret; 28028f12eeSStephane Eranian 2967121f85SStephane Eranian rec_argc = argc + 7; /* max number of arguments */ 30028f12eeSStephane Eranian rec_argv = calloc(rec_argc + 1, sizeof(char *)); 31028f12eeSStephane Eranian if (!rec_argv) 32028f12eeSStephane Eranian return -1; 33028f12eeSStephane Eranian 3467121f85SStephane Eranian rec_argv[i++] = "record"; 35028f12eeSStephane Eranian 3666024122SArnaldo Carvalho de Melo if (mem->operation & MEM_OPERATION_LOAD) 3767121f85SStephane Eranian rec_argv[i++] = "-W"; 38028f12eeSStephane Eranian 3967121f85SStephane Eranian rec_argv[i++] = "-d"; 4067121f85SStephane Eranian 4166024122SArnaldo Carvalho de Melo if (mem->operation & MEM_OPERATION_LOAD) { 4267121f85SStephane Eranian rec_argv[i++] = "-e"; 4367121f85SStephane Eranian rec_argv[i++] = "cpu/mem-loads/pp"; 4467121f85SStephane Eranian } 4567121f85SStephane Eranian 4666024122SArnaldo Carvalho de Melo if (mem->operation & MEM_OPERATION_STORE) { 4767121f85SStephane Eranian rec_argv[i++] = "-e"; 4867121f85SStephane Eranian rec_argv[i++] = "cpu/mem-stores/pp"; 4967121f85SStephane Eranian } 5067121f85SStephane Eranian 51028f12eeSStephane Eranian for (j = 1; j < argc; j++, i++) 52028f12eeSStephane Eranian rec_argv[i] = argv[j]; 53028f12eeSStephane Eranian 54028f12eeSStephane Eranian ret = cmd_record(i, rec_argv, NULL); 55028f12eeSStephane Eranian free(rec_argv); 56028f12eeSStephane Eranian return ret; 57028f12eeSStephane Eranian } 58028f12eeSStephane Eranian 59028f12eeSStephane Eranian static int 60028f12eeSStephane Eranian dump_raw_samples(struct perf_tool *tool, 61028f12eeSStephane Eranian union perf_event *event, 62028f12eeSStephane Eranian struct perf_sample *sample, 63028f12eeSStephane Eranian struct machine *machine) 64028f12eeSStephane Eranian { 65028f12eeSStephane Eranian struct perf_mem *mem = container_of(tool, struct perf_mem, tool); 66028f12eeSStephane Eranian struct addr_location al; 67028f12eeSStephane Eranian const char *fmt; 68028f12eeSStephane Eranian 69e44baa3eSAdrian Hunter if (perf_event__preprocess_sample(event, machine, &al, sample) < 0) { 70028f12eeSStephane Eranian fprintf(stderr, "problem processing %d event, skipping it.\n", 71028f12eeSStephane Eranian event->header.type); 72028f12eeSStephane Eranian return -1; 73028f12eeSStephane Eranian } 74028f12eeSStephane Eranian 75028f12eeSStephane Eranian if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) 76028f12eeSStephane Eranian return 0; 77028f12eeSStephane Eranian 78028f12eeSStephane Eranian if (al.map != NULL) 79028f12eeSStephane Eranian al.map->dso->hit = 1; 80028f12eeSStephane Eranian 81028f12eeSStephane Eranian if (symbol_conf.field_sep) { 82028f12eeSStephane Eranian fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 83028f12eeSStephane Eranian "%s0x%"PRIx64"%s%s:%s\n"; 84028f12eeSStephane Eranian } else { 85028f12eeSStephane Eranian fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 86028f12eeSStephane Eranian "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; 87028f12eeSStephane Eranian symbol_conf.field_sep = " "; 88028f12eeSStephane Eranian } 89028f12eeSStephane Eranian 90028f12eeSStephane Eranian printf(fmt, 91028f12eeSStephane Eranian sample->pid, 92028f12eeSStephane Eranian symbol_conf.field_sep, 93028f12eeSStephane Eranian sample->tid, 94028f12eeSStephane Eranian symbol_conf.field_sep, 95ef89325fSAdrian Hunter sample->ip, 96028f12eeSStephane Eranian symbol_conf.field_sep, 97028f12eeSStephane Eranian sample->addr, 98028f12eeSStephane Eranian symbol_conf.field_sep, 99028f12eeSStephane Eranian sample->weight, 100028f12eeSStephane Eranian symbol_conf.field_sep, 101028f12eeSStephane Eranian sample->data_src, 102028f12eeSStephane Eranian symbol_conf.field_sep, 103028f12eeSStephane Eranian al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", 104028f12eeSStephane Eranian al.sym ? al.sym->name : "???"); 105028f12eeSStephane Eranian 106028f12eeSStephane Eranian return 0; 107028f12eeSStephane Eranian } 108028f12eeSStephane Eranian 109028f12eeSStephane Eranian static int process_sample_event(struct perf_tool *tool, 110028f12eeSStephane Eranian union perf_event *event, 111028f12eeSStephane Eranian struct perf_sample *sample, 1128b640cc4SArnaldo Carvalho de Melo struct perf_evsel *evsel __maybe_unused, 113028f12eeSStephane Eranian struct machine *machine) 114028f12eeSStephane Eranian { 1158b640cc4SArnaldo Carvalho de Melo return dump_raw_samples(tool, event, sample, machine); 116028f12eeSStephane Eranian } 117028f12eeSStephane Eranian 118028f12eeSStephane Eranian static int report_raw_events(struct perf_mem *mem) 119028f12eeSStephane Eranian { 120f5fc1412SJiri Olsa struct perf_data_file file = { 121f5fc1412SJiri Olsa .path = input_name, 122f5fc1412SJiri Olsa .mode = PERF_DATA_MODE_READ, 123f5fc1412SJiri Olsa }; 124028f12eeSStephane Eranian int err = -EINVAL; 125028f12eeSStephane Eranian int ret; 126f5fc1412SJiri Olsa struct perf_session *session = perf_session__new(&file, false, 127f5fc1412SJiri Olsa &mem->tool); 128028f12eeSStephane Eranian 129028f12eeSStephane Eranian if (session == NULL) 13052e02834STaeung Song return -1; 131028f12eeSStephane Eranian 132028f12eeSStephane Eranian if (mem->cpu_list) { 133028f12eeSStephane Eranian ret = perf_session__cpu_bitmap(session, mem->cpu_list, 134028f12eeSStephane Eranian mem->cpu_bitmap); 135028f12eeSStephane Eranian if (ret) 136028f12eeSStephane Eranian goto out_delete; 137028f12eeSStephane Eranian } 138028f12eeSStephane Eranian 1390a7e6d1bSNamhyung Kim if (symbol__init(&session->header.env) < 0) 140028f12eeSStephane Eranian return -1; 141028f12eeSStephane Eranian 142028f12eeSStephane Eranian printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); 143028f12eeSStephane Eranian 144028f12eeSStephane Eranian err = perf_session__process_events(session, &mem->tool); 145028f12eeSStephane Eranian if (err) 146028f12eeSStephane Eranian return err; 147028f12eeSStephane Eranian 148028f12eeSStephane Eranian return 0; 149028f12eeSStephane Eranian 150028f12eeSStephane Eranian out_delete: 151028f12eeSStephane Eranian perf_session__delete(session); 152028f12eeSStephane Eranian return err; 153028f12eeSStephane Eranian } 154028f12eeSStephane Eranian 155028f12eeSStephane Eranian static int report_events(int argc, const char **argv, struct perf_mem *mem) 156028f12eeSStephane Eranian { 157028f12eeSStephane Eranian const char **rep_argv; 158028f12eeSStephane Eranian int ret, i = 0, j, rep_argc; 159028f12eeSStephane Eranian 160028f12eeSStephane Eranian if (mem->dump_raw) 161028f12eeSStephane Eranian return report_raw_events(mem); 162028f12eeSStephane Eranian 163028f12eeSStephane Eranian rep_argc = argc + 3; 164028f12eeSStephane Eranian rep_argv = calloc(rep_argc + 1, sizeof(char *)); 165028f12eeSStephane Eranian if (!rep_argv) 166028f12eeSStephane Eranian return -1; 167028f12eeSStephane Eranian 16867121f85SStephane Eranian rep_argv[i++] = "report"; 16967121f85SStephane Eranian rep_argv[i++] = "--mem-mode"; 17067121f85SStephane Eranian rep_argv[i++] = "-n"; /* display number of samples */ 171028f12eeSStephane Eranian 172028f12eeSStephane Eranian /* 173028f12eeSStephane Eranian * there is no weight (cost) associated with stores, so don't print 174028f12eeSStephane Eranian * the column 175028f12eeSStephane Eranian */ 17666024122SArnaldo Carvalho de Melo if (!(mem->operation & MEM_OPERATION_LOAD)) 17767121f85SStephane Eranian rep_argv[i++] = "--sort=mem,sym,dso,symbol_daddr," 17867121f85SStephane Eranian "dso_daddr,tlb,locked"; 179028f12eeSStephane Eranian 180028f12eeSStephane Eranian for (j = 1; j < argc; j++, i++) 181028f12eeSStephane Eranian rep_argv[i] = argv[j]; 182028f12eeSStephane Eranian 183028f12eeSStephane Eranian ret = cmd_report(i, rep_argv, NULL); 184028f12eeSStephane Eranian free(rep_argv); 185028f12eeSStephane Eranian return ret; 186028f12eeSStephane Eranian } 187028f12eeSStephane Eranian 18867121f85SStephane Eranian struct mem_mode { 18967121f85SStephane Eranian const char *name; 19067121f85SStephane Eranian int mode; 19167121f85SStephane Eranian }; 19267121f85SStephane Eranian 19367121f85SStephane Eranian #define MEM_OPT(n, m) \ 19467121f85SStephane Eranian { .name = n, .mode = (m) } 19567121f85SStephane Eranian 19667121f85SStephane Eranian #define MEM_END { .name = NULL } 19767121f85SStephane Eranian 19867121f85SStephane Eranian static const struct mem_mode mem_modes[]={ 19967121f85SStephane Eranian MEM_OPT("load", MEM_OPERATION_LOAD), 20067121f85SStephane Eranian MEM_OPT("store", MEM_OPERATION_STORE), 20167121f85SStephane Eranian MEM_END 20267121f85SStephane Eranian }; 20367121f85SStephane Eranian 20467121f85SStephane Eranian static int 20567121f85SStephane Eranian parse_mem_ops(const struct option *opt, const char *str, int unset) 20667121f85SStephane Eranian { 20767121f85SStephane Eranian int *mode = (int *)opt->value; 20867121f85SStephane Eranian const struct mem_mode *m; 20967121f85SStephane Eranian char *s, *os = NULL, *p; 21067121f85SStephane Eranian int ret = -1; 21167121f85SStephane Eranian 21267121f85SStephane Eranian if (unset) 21367121f85SStephane Eranian return 0; 21467121f85SStephane Eranian 21567121f85SStephane Eranian /* str may be NULL in case no arg is passed to -t */ 21667121f85SStephane Eranian if (str) { 21767121f85SStephane Eranian /* because str is read-only */ 21867121f85SStephane Eranian s = os = strdup(str); 21967121f85SStephane Eranian if (!s) 22067121f85SStephane Eranian return -1; 22167121f85SStephane Eranian 22267121f85SStephane Eranian /* reset mode */ 22367121f85SStephane Eranian *mode = 0; 22467121f85SStephane Eranian 22567121f85SStephane Eranian for (;;) { 22667121f85SStephane Eranian p = strchr(s, ','); 22767121f85SStephane Eranian if (p) 22867121f85SStephane Eranian *p = '\0'; 22967121f85SStephane Eranian 23067121f85SStephane Eranian for (m = mem_modes; m->name; m++) { 23167121f85SStephane Eranian if (!strcasecmp(s, m->name)) 23267121f85SStephane Eranian break; 23367121f85SStephane Eranian } 23467121f85SStephane Eranian if (!m->name) { 23567121f85SStephane Eranian fprintf(stderr, "unknown sampling op %s," 23667121f85SStephane Eranian " check man page\n", s); 23767121f85SStephane Eranian goto error; 23867121f85SStephane Eranian } 23967121f85SStephane Eranian 24067121f85SStephane Eranian *mode |= m->mode; 24167121f85SStephane Eranian 24267121f85SStephane Eranian if (!p) 24367121f85SStephane Eranian break; 24467121f85SStephane Eranian 24567121f85SStephane Eranian s = p + 1; 24667121f85SStephane Eranian } 24767121f85SStephane Eranian } 24867121f85SStephane Eranian ret = 0; 24967121f85SStephane Eranian 25067121f85SStephane Eranian if (*mode == 0) 25167121f85SStephane Eranian *mode = MEM_OPERATION_LOAD; 25267121f85SStephane Eranian error: 25367121f85SStephane Eranian free(os); 25467121f85SStephane Eranian return ret; 25567121f85SStephane Eranian } 25667121f85SStephane Eranian 257028f12eeSStephane Eranian int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) 258028f12eeSStephane Eranian { 259028f12eeSStephane Eranian struct stat st; 260028f12eeSStephane Eranian struct perf_mem mem = { 261028f12eeSStephane Eranian .tool = { 262028f12eeSStephane Eranian .sample = process_sample_event, 263028f12eeSStephane Eranian .mmap = perf_event__process_mmap, 2645c5e854bSStephane Eranian .mmap2 = perf_event__process_mmap2, 265028f12eeSStephane Eranian .comm = perf_event__process_comm, 266028f12eeSStephane Eranian .lost = perf_event__process_lost, 267028f12eeSStephane Eranian .fork = perf_event__process_fork, 268028f12eeSStephane Eranian .build_id = perf_event__process_build_id, 2690a8cb85cSJiri Olsa .ordered_events = true, 270028f12eeSStephane Eranian }, 271028f12eeSStephane Eranian .input_name = "perf.data", 27266024122SArnaldo Carvalho de Melo /* 27366024122SArnaldo Carvalho de Melo * default to both load an store sampling 27466024122SArnaldo Carvalho de Melo */ 27566024122SArnaldo Carvalho de Melo .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, 276028f12eeSStephane Eranian }; 277028f12eeSStephane Eranian const struct option mem_options[] = { 27866024122SArnaldo Carvalho de Melo OPT_CALLBACK('t', "type", &mem.operation, 27967121f85SStephane Eranian "type", "memory operations(load,store) Default load,store", 28067121f85SStephane Eranian parse_mem_ops), 281028f12eeSStephane Eranian OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, 282028f12eeSStephane Eranian "dump raw samples in ASCII"), 283028f12eeSStephane Eranian OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, 284028f12eeSStephane Eranian "Only display entries resolved to a symbol"), 285028f12eeSStephane Eranian OPT_STRING('i', "input", &input_name, "file", 286028f12eeSStephane Eranian "input file name"), 287028f12eeSStephane Eranian OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", 288028f12eeSStephane Eranian "list of cpus to profile"), 289028f12eeSStephane Eranian OPT_STRING('x', "field-separator", &symbol_conf.field_sep, 290028f12eeSStephane Eranian "separator", 291028f12eeSStephane Eranian "separator for columns, no spaces will be added" 292028f12eeSStephane Eranian " between columns '.' is reserved."), 293028f12eeSStephane Eranian OPT_END() 294028f12eeSStephane Eranian }; 2958d2a2a1dSRamkumar Ramachandra const char *const mem_subcommands[] = { "record", "report", NULL }; 2968d2a2a1dSRamkumar Ramachandra const char *mem_usage[] = { 2978d2a2a1dSRamkumar Ramachandra NULL, 2988d2a2a1dSRamkumar Ramachandra NULL 2998d2a2a1dSRamkumar Ramachandra }; 300028f12eeSStephane Eranian 3018d2a2a1dSRamkumar Ramachandra 3028d2a2a1dSRamkumar Ramachandra argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, 3038d2a2a1dSRamkumar Ramachandra mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); 304028f12eeSStephane Eranian 30566024122SArnaldo Carvalho de Melo if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) 306028f12eeSStephane Eranian usage_with_options(mem_usage, mem_options); 307028f12eeSStephane Eranian 308028f12eeSStephane Eranian if (!mem.input_name || !strlen(mem.input_name)) { 309028f12eeSStephane Eranian if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) 310028f12eeSStephane Eranian mem.input_name = "-"; 311028f12eeSStephane Eranian else 312028f12eeSStephane Eranian mem.input_name = "perf.data"; 313028f12eeSStephane Eranian } 314028f12eeSStephane Eranian 315028f12eeSStephane Eranian if (!strncmp(argv[0], "rec", 3)) 31666024122SArnaldo Carvalho de Melo return __cmd_record(argc, argv, &mem); 317028f12eeSStephane Eranian else if (!strncmp(argv[0], "rep", 3)) 318028f12eeSStephane Eranian return report_events(argc, argv, &mem); 319028f12eeSStephane Eranian else 320028f12eeSStephane Eranian usage_with_options(mem_usage, mem_options); 321028f12eeSStephane Eranian 322028f12eeSStephane Eranian return 0; 323028f12eeSStephane Eranian } 324