diff options
Diffstat (limited to 'tools/perf/builtin-mem.c')
| -rw-r--r-- | tools/perf/builtin-mem.c | 510 |
1 files changed, 411 insertions, 99 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c index a8ff6d264e50..d43500b92a7b 100644 --- a/tools/perf/builtin-mem.c +++ b/tools/perf/builtin-mem.c @@ -1,161 +1,379 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <errno.h> +#include <inttypes.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> #include "builtin.h" #include "perf.h" -#include "util/parse-options.h" +#include <subcmd/parse-options.h> +#include "util/auxtrace.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; +#include "util/data.h" +#include "util/map_symbol.h" +#include "util/mem-events.h" +#include "util/debug.h" +#include "util/dso.h" +#include "util/map.h" +#include "util/symbol.h" +#include "util/pmus.h" +#include "util/sample.h" +#include "util/sort.h" +#include "util/string2.h" +#include "util/util.h" +#include <linux/err.h> + +#define MEM_OPERATION_LOAD 0x1 +#define MEM_OPERATION_STORE 0x2 struct perf_mem { struct perf_tool tool; - char const *input_name; - symbol_filter_t annotate_init; + const char *input_name; + const char *sort_key; bool hide_unresolved; bool dump_raw; + bool force; + bool phys_addr; + bool data_page_size; + bool all_kernel; + bool all_user; + bool data_type; + int operation; 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 parse_record_events(const struct option *opt, + const char *str, int unset __maybe_unused) +{ + struct perf_mem *mem = (struct perf_mem *)opt->value; + struct perf_pmu *pmu; + + pmu = perf_mem_events_find_pmu(); + if (!pmu) { + pr_err("failed: there is no PMU that supports perf mem\n"); + exit(-1); + } + + if (!strcmp(str, "list")) { + perf_pmu__mem_events_list(pmu); + exit(0); + } + if (perf_pmu__mem_events_parse(pmu, str)) + exit(-1); + + mem->operation = 0; + return 0; +} -static int __cmd_record(int argc, const char **argv) +static int __cmd_record(int argc, const char **argv, struct perf_mem *mem, + const struct option *options) { int rec_argc, i = 0, j; + int start, end; const char **rec_argv; - char event[64]; + char *event_name_storage = NULL; int ret; + struct perf_mem_event *e; + struct perf_pmu *pmu; + const char * const record_usage[] = { + "perf mem record [<options>] [<command>]", + "perf mem record [<options>] -- <command> [<options>]", + NULL + }; + + pmu = perf_mem_events_find_pmu(); + if (!pmu) { + pr_err("failed: no PMU supports the memory events\n"); + return -1; + } + + if (perf_pmu__mem_events_init()) { + pr_err("failed: memory events not supported\n"); + return -1; + } + + argc = parse_options(argc, argv, options, record_usage, + PARSE_OPT_KEEP_UNKNOWN); + + /* Max number of arguments multiplied by number of PMUs that can support them. */ + rec_argc = argc + 9 * (perf_pmu__mem_events_num_mem_pmus(pmu) + 1); + + if (mem->cpu_list) + rec_argc += 2; - 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"); + rec_argv[i++] = "record"; - if (strcmp(mem_operation, MEM_OPERATION_LOAD)) - sprintf(event, "cpu/mem-stores/pp"); - else - sprintf(event, "cpu/mem-loads/pp"); + e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE); + + /* + * The load and store operations are required, use the event + * PERF_MEM_EVENTS__LOAD_STORE if it is supported. + */ + if (e->tag && + (mem->operation & MEM_OPERATION_LOAD) && + (mem->operation & MEM_OPERATION_STORE)) { + perf_mem_record[PERF_MEM_EVENTS__LOAD_STORE] = true; + rec_argv[i++] = "-W"; + } else { + if (mem->operation & MEM_OPERATION_LOAD) + perf_mem_record[PERF_MEM_EVENTS__LOAD] = true; + + if (mem->operation & MEM_OPERATION_STORE) + perf_mem_record[PERF_MEM_EVENTS__STORE] = true; + } - rec_argv[i++] = strdup(event); - for (j = 1; j < argc; j++, i++) + if (perf_mem_record[PERF_MEM_EVENTS__LOAD]) + rec_argv[i++] = "-W"; + + rec_argv[i++] = "-d"; + + if (mem->phys_addr) + rec_argv[i++] = "--phys-data"; + + if (mem->data_page_size) + rec_argv[i++] = "--data-page-size"; + + start = i; + ret = perf_mem_events__record_args(rec_argv, &i, &event_name_storage); + if (ret) + goto out; + end = i; + + if (mem->all_user) + rec_argv[i++] = "--all-user"; + + if (mem->all_kernel) + rec_argv[i++] = "--all-kernel"; + + if (mem->cpu_list) { + rec_argv[i++] = "-C"; + rec_argv[i++] = mem->cpu_list; + } + + for (j = 0; j < argc; j++, i++) rec_argv[i] = argv[j]; - ret = cmd_record(i, rec_argv, NULL); + if (verbose > 0) { + pr_debug("calling: record "); + + for (j = start; j < end; j++) + pr_debug("%s ", rec_argv[j]); + + pr_debug("\n"); + } + + ret = cmd_record(i, rec_argv); +out: + free(event_name_storage); free(rec_argv); return ret; } static int -dump_raw_samples(struct perf_tool *tool, +dump_raw_samples(const 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; + const char *fmt, *field_sep; + char str[PAGE_SIZE_NAME_LEN]; + struct dso *dso = NULL; - if (perf_event__preprocess_sample(event, machine, &al, sample, - mem->annotate_init) < 0) { + addr_location__init(&al); + if (machine__resolve(machine, &al, sample) < 0) { fprintf(stderr, "problem processing %d event, skipping it.\n", event->header.type); + addr_location__exit(&al); return -1; } if (al.filtered || (mem->hide_unresolved && al.sym == NULL)) - return 0; + goto out_put; - if (al.map != NULL) - al.map->dso->hit = 1; + if (al.map != NULL) { + dso = map__dso(al.map); + if (dso) + dso__set_hit(dso); + } - if (symbol_conf.field_sep) { - fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64 - "%s0x%"PRIx64"%s%s:%s\n"; + field_sep = symbol_conf.field_sep; + if (field_sep) { + fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s"; } else { - fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64 - "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; + fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64"%s"; symbol_conf.field_sep = " "; } - printf(fmt, sample->pid, symbol_conf.field_sep, sample->tid, symbol_conf.field_sep, - event->ip.ip, + sample->ip, symbol_conf.field_sep, sample->addr, - symbol_conf.field_sep, + symbol_conf.field_sep); + + if (mem->phys_addr) { + printf("0x%016"PRIx64"%s", + sample->phys_addr, + symbol_conf.field_sep); + } + + if (mem->data_page_size) { + printf("%s%s", + get_page_size_name(sample->data_page_size, str), + symbol_conf.field_sep); + } + + if (field_sep) + fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n"; + else + fmt = "%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n"; + + printf(fmt, sample->weight, symbol_conf.field_sep, sample->data_src, symbol_conf.field_sep, - al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???", + dso ? dso__long_name(dso) : "???", al.sym ? al.sym->name : "???"); - +out_put: + addr_location__exit(&al); return 0; } -static int process_sample_event(struct perf_tool *tool, +static int process_sample_event(const struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, - struct perf_evsel *evsel, + struct evsel *evsel __maybe_unused, struct machine *machine) { - return dump_raw_samples(tool, event, sample, evsel, machine); + return dump_raw_samples(tool, event, sample, machine); } static int report_raw_events(struct perf_mem *mem) { - int err = -EINVAL; + struct itrace_synth_opts itrace_synth_opts = { + .set = true, + .mem = true, /* Only enable memory event */ + .default_no_sample = true, + }; + + struct perf_data data = { + .path = input_name, + .mode = PERF_DATA_MODE_READ, + .force = mem->force, + }; int ret; - struct perf_session *session = perf_session__new(input_name, O_RDONLY, - 0, false, &mem->tool); + struct perf_session *session; + + perf_tool__init(&mem->tool, /*ordered_events=*/true); + mem->tool.sample = process_sample_event; + mem->tool.mmap = perf_event__process_mmap; + mem->tool.mmap2 = perf_event__process_mmap2; + mem->tool.comm = perf_event__process_comm; + mem->tool.lost = perf_event__process_lost; + mem->tool.fork = perf_event__process_fork; + mem->tool.attr = perf_event__process_attr; + mem->tool.build_id = perf_event__process_build_id; + mem->tool.namespaces = perf_event__process_namespaces; + mem->tool.auxtrace_info = perf_event__process_auxtrace_info; + mem->tool.auxtrace = perf_event__process_auxtrace; + mem->tool.auxtrace_error = perf_event__process_auxtrace_error; - if (session == NULL) - return -ENOMEM; + session = perf_session__new(&data, &mem->tool); + + if (IS_ERR(session)) + return PTR_ERR(session); + + session->itrace_synth_opts = &itrace_synth_opts; if (mem->cpu_list) { ret = perf_session__cpu_bitmap(session, mem->cpu_list, mem->cpu_bitmap); - if (ret) + if (ret < 0) goto out_delete; } - if (symbol__init() < 0) - return -1; + ret = symbol__init(perf_session__env(session)); + if (ret < 0) + goto out_delete; - printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n"); + printf("# PID, TID, IP, ADDR, "); - err = perf_session__process_events(session, &mem->tool); - if (err) - return err; + if (mem->phys_addr) + printf("PHYS ADDR, "); - return 0; + if (mem->data_page_size) + printf("DATA PAGE SIZE, "); + + printf("LOCAL WEIGHT, DSRC, SYMBOL\n"); + + ret = perf_session__process_events(session); out_delete: perf_session__delete(session); - return err; + return ret; } -static int report_events(int argc, const char **argv, struct perf_mem *mem) +static char *get_sort_order(struct perf_mem *mem) +{ + bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false; + char sort[128]; + + if (mem->sort_key) + scnprintf(sort, sizeof(sort), "--sort=%s", mem->sort_key); + else if (mem->data_type) + strcpy(sort, "--sort=mem,snoop,tlb,type"); + /* + * there is no weight (cost) associated with stores, so don't print + * the column + */ + else if (!(mem->operation & MEM_OPERATION_LOAD)) { + strcpy(sort, "--sort=mem,sym,dso,symbol_daddr," + "dso_daddr,tlb,locked"); + } else if (has_extra_options) { + strcpy(sort, "--sort=local_weight,mem,sym,dso,symbol_daddr," + "dso_daddr,snoop,tlb,locked,blocked"); + } else + return NULL; + + if (mem->phys_addr) + strcat(sort, ",phys_daddr"); + + if (mem->data_page_size) + strcat(sort, ",data_page_size"); + + /* make sure it has 'type' sort key even -s option is used */ + if (mem->data_type && !strstr(sort, "type")) + strcat(sort, ",type"); + + return strdup(sort); +} + +static int __cmd_report(int argc, const char **argv, struct perf_mem *mem, + const struct option *options) { const char **rep_argv; int ret, i = 0, j, rep_argc; + char *new_sort_order; + const char * const report_usage[] = { + "perf mem report [<options>]", + NULL + }; + + argc = parse_options(argc, argv, options, report_usage, + PARSE_OPT_KEEP_UNKNOWN); if (mem->dump_raw) return report_raw_events(mem); @@ -165,63 +383,153 @@ static int report_events(int argc, const char **argv, struct perf_mem *mem) 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 */ + rep_argv[i++] = "report"; + rep_argv[i++] = "--mem-mode"; + rep_argv[i++] = "-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"); + new_sort_order = get_sort_order(mem); + if (new_sort_order) + rep_argv[i++] = new_sort_order; - for (j = 1; j < argc; j++, i++) + for (j = 0; j < argc; j++, i++) rep_argv[i] = argv[j]; - ret = cmd_report(i, rep_argv, NULL); + ret = cmd_report(i, rep_argv); + free(new_sort_order); free(rep_argv); return ret; } -int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) +struct mem_mode { + const char *name; + int mode; +}; + +#define MEM_OPT(n, m) \ + { .name = n, .mode = (m) } + +#define MEM_END { .name = NULL } + +static const struct mem_mode mem_modes[]={ + MEM_OPT("load", MEM_OPERATION_LOAD), + MEM_OPT("store", MEM_OPERATION_STORE), + MEM_END +}; + +static int +parse_mem_ops(const struct option *opt, const char *str, int unset) +{ + int *mode = (int *)opt->value; + const struct mem_mode *m; + char *s, *os = NULL, *p; + int ret = -1; + + if (unset) + return 0; + + /* str may be NULL in case no arg is passed to -t */ + if (str) { + /* because str is read-only */ + s = os = strdup(str); + if (!s) + return -1; + + /* reset mode */ + *mode = 0; + + for (;;) { + p = strchr(s, ','); + if (p) + *p = '\0'; + + for (m = mem_modes; m->name; m++) { + if (!strcasecmp(s, m->name)) + break; + } + if (!m->name) { + fprintf(stderr, "unknown sampling op %s," + " check man page\n", s); + goto error; + } + + *mode |= m->mode; + + if (!p) + break; + + s = p + 1; + } + } + ret = 0; + + if (*mode == 0) + *mode = MEM_OPERATION_LOAD; +error: + free(os); + return ret; +} + +int cmd_mem(int argc, const char **argv) { 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", + /* + * default to both load an store sampling + */ + .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE, }; + char *sort_order_help = sort_help("sort by key(s):", SORT_MODE__MEMORY); const struct option mem_options[] = { - OPT_STRING('t', "type", &mem_operation, - "type", "memory operations(load/store)"), + OPT_CALLBACK('t', "type", &mem.operation, + "type", "memory operations(load,store) Default load,store", + parse_mem_ops), + OPT_STRING('C', "cpu", &mem.cpu_list, "cpu", + "list of cpus to profile"), + OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"), + OPT_INCR('v', "verbose", &verbose, + "be more verbose (show counter open errors, etc)"), + OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"), + OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"), + OPT_END() + }; + const struct option record_options[] = { + OPT_CALLBACK('e', "event", &mem, "event", + "event selector. use 'perf mem record -e list' to list available events", + parse_record_events), + OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"), + OPT_BOOLEAN('U', "all-user", &mem.all_user, "collect only user level data"), + OPT_BOOLEAN('K', "all-kernel", &mem.all_kernel, "collect only kernel level data"), + OPT_PARENT(mem_options) + }; + const struct option report_options[] = { 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, + OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep, "separator", "separator for columns, no spaces will be added" " between columns '.' is reserved."), - OPT_END() + OPT_STRING('s', "sort", &mem.sort_key, "key[,key2...]", + sort_order_help), + OPT_BOOLEAN('T', "type-profile", &mem.data_type, + "Show data-type profile result"), + OPT_PARENT(mem_options) + }; + const char *const mem_subcommands[] = { "record", "report", NULL }; + const char *mem_usage[] = { + NULL, + NULL }; + int ret; - argc = parse_options(argc, argv, mem_options, mem_usage, - PARSE_OPT_STOP_AT_NON_OPTION); + argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands, + mem_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation)) + if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation)) usage_with_options(mem_usage, mem_options); if (!mem.input_name || !strlen(mem.input_name)) { @@ -231,12 +539,16 @@ int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused) 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); + if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) + ret = __cmd_record(argc, argv, &mem, record_options); + else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) + ret = __cmd_report(argc, argv, &mem, report_options); else usage_with_options(mem_usage, mem_options); - return 0; + /* free usage string allocated by parse_options_subcommand */ + free((void *)mem_usage[0]); + free(sort_order_help); + + return ret; } |
