| #include "builtin.h" |
| #include "perf.h" |
| |
| #include "util/parse-options.h" |
| #include "util/trace-event.h" |
| #include "util/tool.h" |
| #include "util/session.h" |
| |
| #define MEM_OPERATION_LOAD "load" |
| #define MEM_OPERATION_STORE "store" |
| |
| static const char *mem_operation = MEM_OPERATION_LOAD; |
| |
| struct perf_mem { |
| struct perf_tool tool; |
| char const *input_name; |
| bool hide_unresolved; |
| bool dump_raw; |
| const char *cpu_list; |
| DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); |
| }; |
| |
| static const char * const mem_usage[] = { |
| "perf mem [<options>] {record <command> |report}", |
| NULL |
| }; |
| |
| static int __cmd_record(int argc, const char **argv) |
| { |
| int rec_argc, i = 0, j; |
| const char **rec_argv; |
| char event[64]; |
| int ret; |
| |
| rec_argc = argc + 4; |
| rec_argv = calloc(rec_argc + 1, sizeof(char *)); |
| if (!rec_argv) |
| return -1; |
| |
| rec_argv[i++] = strdup("record"); |
| if (!strcmp(mem_operation, MEM_OPERATION_LOAD)) |
| rec_argv[i++] = strdup("-W"); |
| rec_argv[i++] = strdup("-d"); |
| rec_argv[i++] = strdup("-e"); |
| |
| if (strcmp(mem_operation, MEM_OPERATION_LOAD)) |
| sprintf(event, "cpu/mem-stores/pp"); |
| else |
| sprintf(event, "cpu/mem-loads/pp"); |
| |
| rec_argv[i++] = strdup(event); |
| for (j = 1; j < argc; j++, i++) |
| rec_argv[i] = argv[j]; |
| |
| ret = cmd_record(i, rec_argv, NULL); |
| free(rec_argv); |
| return ret; |
| } |
| |
| static int |
| dump_raw_samples(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct perf_evsel *evsel __maybe_unused, |
| struct machine *machine) |
| { |
| struct perf_mem *mem = container_of(tool, struct perf_mem, tool); |
| struct addr_location al; |
| const char *fmt; |
| |
| if (perf_event__preprocess_sample(event, machine, &al, sample, |
| NULL) < 0) { |
| fprintf(stderr, "problem processing %d event, skipping it.\n", |
| event->header.type); |
| return -1; |
| } |
| |
| if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) |
| return 0; |
| |
| if (al.map != NULL) |
| al.map->dso->hit = 1; |
| |
| if (symbol_conf.field_sep) { |
| fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 |
| "%s0x%"PRIx64"%s%s:%s\n"; |
| } else { |
| fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 |
| "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; |
| symbol_conf.field_sep = " "; |
| } |
| |
| printf(fmt, |
| sample->pid, |
| symbol_conf.field_sep, |
| sample->tid, |
| symbol_conf.field_sep, |
| event->ip.ip, |
| symbol_conf.field_sep, |
| sample->addr, |
| symbol_conf.field_sep, |
| sample->weight, |
| symbol_conf.field_sep, |
| sample->data_src, |
| symbol_conf.field_sep, |
| al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", |
| al.sym ? al.sym->name : "???"); |
| |
| return 0; |
| } |
| |
| static int process_sample_event(struct perf_tool *tool, |
| union perf_event *event, |
| struct perf_sample *sample, |
| struct perf_evsel *evsel, |
| struct machine *machine) |
| { |
| return dump_raw_samples(tool, event, sample, evsel, machine); |
| } |
| |
| static int report_raw_events(struct perf_mem *mem) |
| { |
| int err = -EINVAL; |
| int ret; |
| struct perf_session *session = perf_session__new(input_name, O_RDONLY, |
| 0, false, &mem->tool); |
| |
| if (session == NULL) |
| return -ENOMEM; |
| |
| if (mem->cpu_list) { |
| ret = perf_session__cpu_bitmap(session, mem->cpu_list, |
| mem->cpu_bitmap); |
| if (ret) |
| goto out_delete; |
| } |
| |
| if (symbol__init() < 0) |
| return -1; |
| |
| printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); |
| |
| err = perf_session__process_events(session, &mem->tool); |
| if (err) |
| return err; |
| |
| return 0; |
| |
| out_delete: |
| perf_session__delete(session); |
| return err; |
| } |
| |
| static int report_events(int argc, const char **argv, struct perf_mem *mem) |
| { |
| const char **rep_argv; |
| int ret, i = 0, j, rep_argc; |
| |
| if (mem->dump_raw) |
| return report_raw_events(mem); |
| |
| rep_argc = argc + 3; |
| rep_argv = calloc(rep_argc + 1, sizeof(char *)); |
| if (!rep_argv) |
| return -1; |
| |
| rep_argv[i++] = strdup("report"); |
| rep_argv[i++] = strdup("--mem-mode"); |
| rep_argv[i++] = strdup("-n"); /* display number of samples */ |
| |
| /* |
| * there is no weight (cost) associated with stores, so don't print |
| * the column |
| */ |
| if (strcmp(mem_operation, MEM_OPERATION_LOAD)) |
| rep_argv[i++] = strdup("--sort=mem,sym,dso,symbol_daddr," |
| "dso_daddr,tlb,locked"); |
| |
| for (j = 1; j < argc; j++, i++) |
| rep_argv[i] = argv[j]; |
| |
| ret = cmd_report(i, rep_argv, NULL); |
| free(rep_argv); |
| return ret; |
| } |
| |
| int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) |
| { |
| struct stat st; |
| struct perf_mem mem = { |
| .tool = { |
| .sample = process_sample_event, |
| .mmap = perf_event__process_mmap, |
| .comm = perf_event__process_comm, |
| .lost = perf_event__process_lost, |
| .fork = perf_event__process_fork, |
| .build_id = perf_event__process_build_id, |
| .ordered_samples = true, |
| }, |
| .input_name = "perf.data", |
| }; |
| const struct option mem_options[] = { |
| OPT_STRING('t', "type", &mem_operation, |
| "type", "memory operations(load/store)"), |
| OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw, |
| "dump raw samples in ASCII"), |
| OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved, |
| "Only display entries resolved to a symbol"), |
| OPT_STRING('i', "input", &input_name, "file", |
| "input file name"), |
| OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", |
| "list of cpus to profile"), |
| OPT_STRING('x', "field-separator", &symbol_conf.field_sep, |
| "separator", |
| "separator for columns, no spaces will be added" |
| " between columns '.' is reserved."), |
| OPT_END() |
| }; |
| |
| argc = parse_options(argc, argv, mem_options, mem_usage, |
| PARSE_OPT_STOP_AT_NON_OPTION); |
| |
| if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation)) |
| usage_with_options(mem_usage, mem_options); |
| |
| if (!mem.input_name || !strlen(mem.input_name)) { |
| if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) |
| mem.input_name = "-"; |
| else |
| mem.input_name = "perf.data"; |
| } |
| |
| if (!strncmp(argv[0], "rec", 3)) |
| return __cmd_record(argc, argv); |
| else if (!strncmp(argv[0], "rep", 3)) |
| return report_events(argc, argv, &mem); |
| else |
| usage_with_options(mem_usage, mem_options); |
| |
| return 0; |
| } |