| #include <linux/hw_breakpoint.h> |
| #include "util.h" |
| #include "../perf.h" |
| #include "evlist.h" |
| #include "evsel.h" |
| #include "parse-options.h" |
| #include "parse-events.h" |
| #include "exec_cmd.h" |
| #include "string.h" |
| #include "symbol.h" |
| #include "cache.h" |
| #include "header.h" |
| #include "debug.h" |
| #include <api/fs/debugfs.h> |
| #include "parse-events-bison.h" |
| #define YY_EXTRA_TYPE int |
| #include "parse-events-flex.h" |
| #include "pmu.h" |
| #include "thread_map.h" |
| #include "cpumap.h" |
| #include "asm/bug.h" |
| |
| #define MAX_NAME_LEN 100 |
| |
| #ifdef PARSER_DEBUG |
| extern int parse_events_debug; |
| #endif |
| int parse_events_parse(void *data, void *scanner); |
| |
| static struct perf_pmu_event_symbol *perf_pmu_events_list; |
| /* |
| * The variable indicates the number of supported pmu event symbols. |
| * 0 means not initialized and ready to init |
| * -1 means failed to init, don't try anymore |
| * >0 is the number of supported pmu event symbols |
| */ |
| static int perf_pmu_events_list_num; |
| |
| struct event_symbol event_symbols_hw[PERF_COUNT_HW_MAX] = { |
| [PERF_COUNT_HW_CPU_CYCLES] = { |
| .symbol = "cpu-cycles", |
| .alias = "cycles", |
| }, |
| [PERF_COUNT_HW_INSTRUCTIONS] = { |
| .symbol = "instructions", |
| .alias = "", |
| }, |
| [PERF_COUNT_HW_CACHE_REFERENCES] = { |
| .symbol = "cache-references", |
| .alias = "", |
| }, |
| [PERF_COUNT_HW_CACHE_MISSES] = { |
| .symbol = "cache-misses", |
| .alias = "", |
| }, |
| [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = { |
| .symbol = "branch-instructions", |
| .alias = "branches", |
| }, |
| [PERF_COUNT_HW_BRANCH_MISSES] = { |
| .symbol = "branch-misses", |
| .alias = "", |
| }, |
| [PERF_COUNT_HW_BUS_CYCLES] = { |
| .symbol = "bus-cycles", |
| .alias = "", |
| }, |
| [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = { |
| .symbol = "stalled-cycles-frontend", |
| .alias = "idle-cycles-frontend", |
| }, |
| [PERF_COUNT_HW_STALLED_CYCLES_BACKEND] = { |
| .symbol = "stalled-cycles-backend", |
| .alias = "idle-cycles-backend", |
| }, |
| [PERF_COUNT_HW_REF_CPU_CYCLES] = { |
| .symbol = "ref-cycles", |
| .alias = "", |
| }, |
| }; |
| |
| struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] = { |
| [PERF_COUNT_SW_CPU_CLOCK] = { |
| .symbol = "cpu-clock", |
| .alias = "", |
| }, |
| [PERF_COUNT_SW_TASK_CLOCK] = { |
| .symbol = "task-clock", |
| .alias = "", |
| }, |
| [PERF_COUNT_SW_PAGE_FAULTS] = { |
| .symbol = "page-faults", |
| .alias = "faults", |
| }, |
| [PERF_COUNT_SW_CONTEXT_SWITCHES] = { |
| .symbol = "context-switches", |
| .alias = "cs", |
| }, |
| [PERF_COUNT_SW_CPU_MIGRATIONS] = { |
| .symbol = "cpu-migrations", |
| .alias = "migrations", |
| }, |
| [PERF_COUNT_SW_PAGE_FAULTS_MIN] = { |
| .symbol = "minor-faults", |
| .alias = "", |
| }, |
| [PERF_COUNT_SW_PAGE_FAULTS_MAJ] = { |
| .symbol = "major-faults", |
| .alias = "", |
| }, |
| [PERF_COUNT_SW_ALIGNMENT_FAULTS] = { |
| .symbol = "alignment-faults", |
| .alias = "", |
| }, |
| [PERF_COUNT_SW_EMULATION_FAULTS] = { |
| .symbol = "emulation-faults", |
| .alias = "", |
| }, |
| [PERF_COUNT_SW_DUMMY] = { |
| .symbol = "dummy", |
| .alias = "", |
| }, |
| }; |
| |
| #define __PERF_EVENT_FIELD(config, name) \ |
| ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT) |
| |
| #define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW) |
| #define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG) |
| #define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE) |
| #define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT) |
| |
| #define for_each_subsystem(sys_dir, sys_dirent, sys_next) \ |
| while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \ |
| if (sys_dirent.d_type == DT_DIR && \ |
| (strcmp(sys_dirent.d_name, ".")) && \ |
| (strcmp(sys_dirent.d_name, ".."))) |
| |
| static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir) |
| { |
| char evt_path[MAXPATHLEN]; |
| int fd; |
| |
| snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path, |
| sys_dir->d_name, evt_dir->d_name); |
| fd = open(evt_path, O_RDONLY); |
| if (fd < 0) |
| return -EINVAL; |
| close(fd); |
| |
| return 0; |
| } |
| |
| #define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \ |
| while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \ |
| if (evt_dirent.d_type == DT_DIR && \ |
| (strcmp(evt_dirent.d_name, ".")) && \ |
| (strcmp(evt_dirent.d_name, "..")) && \ |
| (!tp_event_has_id(&sys_dirent, &evt_dirent))) |
| |
| #define MAX_EVENT_LENGTH 512 |
| |
| |
| struct tracepoint_path *tracepoint_id_to_path(u64 config) |
| { |
| struct tracepoint_path *path = NULL; |
| DIR *sys_dir, *evt_dir; |
| struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; |
| char id_buf[24]; |
| int fd; |
| u64 id; |
| char evt_path[MAXPATHLEN]; |
| char dir_path[MAXPATHLEN]; |
| |
| sys_dir = opendir(tracing_events_path); |
| if (!sys_dir) |
| return NULL; |
| |
| for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
| |
| snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
| sys_dirent.d_name); |
| evt_dir = opendir(dir_path); |
| if (!evt_dir) |
| continue; |
| |
| for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
| |
| snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path, |
| evt_dirent.d_name); |
| fd = open(evt_path, O_RDONLY); |
| if (fd < 0) |
| continue; |
| if (read(fd, id_buf, sizeof(id_buf)) < 0) { |
| close(fd); |
| continue; |
| } |
| close(fd); |
| id = atoll(id_buf); |
| if (id == config) { |
| closedir(evt_dir); |
| closedir(sys_dir); |
| path = zalloc(sizeof(*path)); |
| path->system = malloc(MAX_EVENT_LENGTH); |
| if (!path->system) { |
| free(path); |
| return NULL; |
| } |
| path->name = malloc(MAX_EVENT_LENGTH); |
| if (!path->name) { |
| zfree(&path->system); |
| free(path); |
| return NULL; |
| } |
| strncpy(path->system, sys_dirent.d_name, |
| MAX_EVENT_LENGTH); |
| strncpy(path->name, evt_dirent.d_name, |
| MAX_EVENT_LENGTH); |
| return path; |
| } |
| } |
| closedir(evt_dir); |
| } |
| |
| closedir(sys_dir); |
| return NULL; |
| } |
| |
| struct tracepoint_path *tracepoint_name_to_path(const char *name) |
| { |
| struct tracepoint_path *path = zalloc(sizeof(*path)); |
| char *str = strchr(name, ':'); |
| |
| if (path == NULL || str == NULL) { |
| free(path); |
| return NULL; |
| } |
| |
| path->system = strndup(name, str - name); |
| path->name = strdup(str+1); |
| |
| if (path->system == NULL || path->name == NULL) { |
| zfree(&path->system); |
| zfree(&path->name); |
| free(path); |
| path = NULL; |
| } |
| |
| return path; |
| } |
| |
| const char *event_type(int type) |
| { |
| switch (type) { |
| case PERF_TYPE_HARDWARE: |
| return "hardware"; |
| |
| case PERF_TYPE_SOFTWARE: |
| return "software"; |
| |
| case PERF_TYPE_TRACEPOINT: |
| return "tracepoint"; |
| |
| case PERF_TYPE_HW_CACHE: |
| return "hardware-cache"; |
| |
| default: |
| break; |
| } |
| |
| return "unknown"; |
| } |
| |
| |
| |
| static struct perf_evsel * |
| __add_event(struct list_head *list, int *idx, |
| struct perf_event_attr *attr, |
| char *name, struct cpu_map *cpus) |
| { |
| struct perf_evsel *evsel; |
| |
| event_attr_init(attr); |
| |
| evsel = perf_evsel__new_idx(attr, (*idx)++); |
| if (!evsel) |
| return NULL; |
| |
| if (cpus) |
| evsel->cpus = cpu_map__get(cpus); |
| |
| if (name) |
| evsel->name = strdup(name); |
| list_add_tail(&evsel->node, list); |
| return evsel; |
| } |
| |
| static int add_event(struct list_head *list, int *idx, |
| struct perf_event_attr *attr, char *name) |
| { |
| return __add_event(list, idx, attr, name, NULL) ? 0 : -ENOMEM; |
| } |
| |
| static int parse_aliases(char *str, const char *names[][PERF_EVSEL__MAX_ALIASES], int size) |
| { |
| int i, j; |
| int n, longest = -1; |
| |
| for (i = 0; i < size; i++) { |
| for (j = 0; j < PERF_EVSEL__MAX_ALIASES && names[i][j]; j++) { |
| n = strlen(names[i][j]); |
| if (n > longest && !strncasecmp(str, names[i][j], n)) |
| longest = n; |
| } |
| if (longest > 0) |
| return i; |
| } |
| |
| return -1; |
| } |
| |
| int parse_events_add_cache(struct list_head *list, int *idx, |
| char *type, char *op_result1, char *op_result2) |
| { |
| struct perf_event_attr attr; |
| char name[MAX_NAME_LEN]; |
| int cache_type = -1, cache_op = -1, cache_result = -1; |
| char *op_result[2] = { op_result1, op_result2 }; |
| int i, n; |
| |
| /* |
| * No fallback - if we cannot get a clear cache type |
| * then bail out: |
| */ |
| cache_type = parse_aliases(type, perf_evsel__hw_cache, |
| PERF_COUNT_HW_CACHE_MAX); |
| if (cache_type == -1) |
| return -EINVAL; |
| |
| n = snprintf(name, MAX_NAME_LEN, "%s", type); |
| |
| for (i = 0; (i < 2) && (op_result[i]); i++) { |
| char *str = op_result[i]; |
| |
| n += snprintf(name + n, MAX_NAME_LEN - n, "-%s", str); |
| |
| if (cache_op == -1) { |
| cache_op = parse_aliases(str, perf_evsel__hw_cache_op, |
| PERF_COUNT_HW_CACHE_OP_MAX); |
| if (cache_op >= 0) { |
| if (!perf_evsel__is_cache_op_valid(cache_type, cache_op)) |
| return -EINVAL; |
| continue; |
| } |
| } |
| |
| if (cache_result == -1) { |
| cache_result = parse_aliases(str, perf_evsel__hw_cache_result, |
| PERF_COUNT_HW_CACHE_RESULT_MAX); |
| if (cache_result >= 0) |
| continue; |
| } |
| } |
| |
| /* |
| * Fall back to reads: |
| */ |
| if (cache_op == -1) |
| cache_op = PERF_COUNT_HW_CACHE_OP_READ; |
| |
| /* |
| * Fall back to accesses: |
| */ |
| if (cache_result == -1) |
| cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; |
| |
| memset(&attr, 0, sizeof(attr)); |
| attr.config = cache_type | (cache_op << 8) | (cache_result << 16); |
| attr.type = PERF_TYPE_HW_CACHE; |
| return add_event(list, idx, &attr, name); |
| } |
| |
| static int add_tracepoint(struct list_head *list, int *idx, |
| char *sys_name, char *evt_name) |
| { |
| struct perf_evsel *evsel; |
| |
| evsel = perf_evsel__newtp_idx(sys_name, evt_name, (*idx)++); |
| if (!evsel) |
| return -ENOMEM; |
| |
| list_add_tail(&evsel->node, list); |
| |
| return 0; |
| } |
| |
| static int add_tracepoint_multi_event(struct list_head *list, int *idx, |
| char *sys_name, char *evt_name) |
| { |
| char evt_path[MAXPATHLEN]; |
| struct dirent *evt_ent; |
| DIR *evt_dir; |
| int ret = 0; |
| |
| snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); |
| evt_dir = opendir(evt_path); |
| if (!evt_dir) { |
| perror("Can't open event dir"); |
| return -1; |
| } |
| |
| while (!ret && (evt_ent = readdir(evt_dir))) { |
| if (!strcmp(evt_ent->d_name, ".") |
| || !strcmp(evt_ent->d_name, "..") |
| || !strcmp(evt_ent->d_name, "enable") |
| || !strcmp(evt_ent->d_name, "filter")) |
| continue; |
| |
| if (!strglobmatch(evt_ent->d_name, evt_name)) |
| continue; |
| |
| ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); |
| } |
| |
| closedir(evt_dir); |
| return ret; |
| } |
| |
| static int add_tracepoint_event(struct list_head *list, int *idx, |
| char *sys_name, char *evt_name) |
| { |
| return strpbrk(evt_name, "*?") ? |
| add_tracepoint_multi_event(list, idx, sys_name, evt_name) : |
| add_tracepoint(list, idx, sys_name, evt_name); |
| } |
| |
| static int add_tracepoint_multi_sys(struct list_head *list, int *idx, |
| char *sys_name, char *evt_name) |
| { |
| struct dirent *events_ent; |
| DIR *events_dir; |
| int ret = 0; |
| |
| events_dir = opendir(tracing_events_path); |
| if (!events_dir) { |
| perror("Can't open event dir"); |
| return -1; |
| } |
| |
| while (!ret && (events_ent = readdir(events_dir))) { |
| if (!strcmp(events_ent->d_name, ".") |
| || !strcmp(events_ent->d_name, "..") |
| || !strcmp(events_ent->d_name, "enable") |
| || !strcmp(events_ent->d_name, "header_event") |
| || !strcmp(events_ent->d_name, "header_page")) |
| continue; |
| |
| if (!strglobmatch(events_ent->d_name, sys_name)) |
| continue; |
| |
| ret = add_tracepoint_event(list, idx, events_ent->d_name, |
| evt_name); |
| } |
| |
| closedir(events_dir); |
| return ret; |
| } |
| |
| int parse_events_add_tracepoint(struct list_head *list, int *idx, |
| char *sys, char *event) |
| { |
| if (strpbrk(sys, "*?")) |
| return add_tracepoint_multi_sys(list, idx, sys, event); |
| else |
| return add_tracepoint_event(list, idx, sys, event); |
| } |
| |
| static int |
| parse_breakpoint_type(const char *type, struct perf_event_attr *attr) |
| { |
| int i; |
| |
| for (i = 0; i < 3; i++) { |
| if (!type || !type[i]) |
| break; |
| |
| #define CHECK_SET_TYPE(bit) \ |
| do { \ |
| if (attr->bp_type & bit) \ |
| return -EINVAL; \ |
| else \ |
| attr->bp_type |= bit; \ |
| } while (0) |
| |
| switch (type[i]) { |
| case 'r': |
| CHECK_SET_TYPE(HW_BREAKPOINT_R); |
| break; |
| case 'w': |
| CHECK_SET_TYPE(HW_BREAKPOINT_W); |
| break; |
| case 'x': |
| CHECK_SET_TYPE(HW_BREAKPOINT_X); |
| break; |
| default: |
| return -EINVAL; |
| } |
| } |
| |
| #undef CHECK_SET_TYPE |
| |
| if (!attr->bp_type) /* Default */ |
| attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; |
| |
| return 0; |
| } |
| |
| int parse_events_add_breakpoint(struct list_head *list, int *idx, |
| void *ptr, char *type, u64 len) |
| { |
| struct perf_event_attr attr; |
| |
| memset(&attr, 0, sizeof(attr)); |
| attr.bp_addr = (unsigned long) ptr; |
| |
| if (parse_breakpoint_type(type, &attr)) |
| return -EINVAL; |
| |
| /* Provide some defaults if len is not specified */ |
| if (!len) { |
| if (attr.bp_type == HW_BREAKPOINT_X) |
| len = sizeof(long); |
| else |
| len = HW_BREAKPOINT_LEN_4; |
| } |
| |
| attr.bp_len = len; |
| |
| attr.type = PERF_TYPE_BREAKPOINT; |
| attr.sample_period = 1; |
| |
| return add_event(list, idx, &attr, NULL); |
| } |
| |
| static int check_type_val(struct parse_events_term *term, |
| struct parse_events_error *err, |
| int type) |
| { |
| if (type == term->type_val) |
| return 0; |
| |
| if (err) { |
| err->idx = term->err_val; |
| if (type == PARSE_EVENTS__TERM_TYPE_NUM) |
| err->str = strdup("expected numeric value"); |
| else |
| err->str = strdup("expected string value"); |
| } |
| return -EINVAL; |
| } |
| |
| static int config_term(struct perf_event_attr *attr, |
| struct parse_events_term *term, |
| struct parse_events_error *err) |
| { |
| #define CHECK_TYPE_VAL(type) \ |
| do { \ |
| if (check_type_val(term, err, PARSE_EVENTS__TERM_TYPE_ ## type)) \ |
| return -EINVAL; \ |
| } while (0) |
| |
| switch (term->type_term) { |
| case PARSE_EVENTS__TERM_TYPE_USER: |
| /* |
| * Always succeed for sysfs terms, as we dont know |
| * at this point what type they need to have. |
| */ |
| return 0; |
| case PARSE_EVENTS__TERM_TYPE_CONFIG: |
| CHECK_TYPE_VAL(NUM); |
| attr->config = term->val.num; |
| break; |
| case PARSE_EVENTS__TERM_TYPE_CONFIG1: |
| CHECK_TYPE_VAL(NUM); |
| attr->config1 = term->val.num; |
| break; |
| case PARSE_EVENTS__TERM_TYPE_CONFIG2: |
| CHECK_TYPE_VAL(NUM); |
| attr->config2 = term->val.num; |
| break; |
| case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: |
| CHECK_TYPE_VAL(NUM); |
| attr->sample_period = term->val.num; |
| break; |
| case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: |
| /* |
| * TODO uncomment when the field is available |
| * attr->branch_sample_type = term->val.num; |
| */ |
| break; |
| case PARSE_EVENTS__TERM_TYPE_NAME: |
| CHECK_TYPE_VAL(STR); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| #undef CHECK_TYPE_VAL |
| } |
| |
| static int config_attr(struct perf_event_attr *attr, |
| struct list_head *head, |
| struct parse_events_error *err) |
| { |
| struct parse_events_term *term; |
| |
| list_for_each_entry(term, head, list) |
| if (config_term(attr, term, err)) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| int parse_events_add_numeric(struct parse_events_evlist *data, |
| struct list_head *list, |
| u32 type, u64 config, |
| struct list_head *head_config) |
| { |
| struct perf_event_attr attr; |
| |
| memset(&attr, 0, sizeof(attr)); |
| attr.type = type; |
| attr.config = config; |
| |
| if (head_config && |
| config_attr(&attr, head_config, data->error)) |
| return -EINVAL; |
| |
| return add_event(list, &data->idx, &attr, NULL); |
| } |
| |
| static int parse_events__is_name_term(struct parse_events_term *term) |
| { |
| return term->type_term == PARSE_EVENTS__TERM_TYPE_NAME; |
| } |
| |
| static char *pmu_event_name(struct list_head *head_terms) |
| { |
| struct parse_events_term *term; |
| |
| list_for_each_entry(term, head_terms, list) |
| if (parse_events__is_name_term(term)) |
| return term->val.str; |
| |
| return NULL; |
| } |
| |
| int parse_events_add_pmu(struct parse_events_evlist *data, |
| struct list_head *list, char *name, |
| struct list_head *head_config) |
| { |
| struct perf_event_attr attr; |
| struct perf_pmu_info info; |
| struct perf_pmu *pmu; |
| struct perf_evsel *evsel; |
| |
| pmu = perf_pmu__find(name); |
| if (!pmu) |
| return -EINVAL; |
| |
| if (pmu->default_config) { |
| memcpy(&attr, pmu->default_config, |
| sizeof(struct perf_event_attr)); |
| } else { |
| memset(&attr, 0, sizeof(attr)); |
| } |
| |
| if (!head_config) { |
| attr.type = pmu->type; |
| evsel = __add_event(list, &data->idx, &attr, NULL, pmu->cpus); |
| return evsel ? 0 : -ENOMEM; |
| } |
| |
| if (perf_pmu__check_alias(pmu, head_config, &info)) |
| return -EINVAL; |
| |
| /* |
| * Configure hardcoded terms first, no need to check |
| * return value when called with fail == 0 ;) |
| */ |
| if (config_attr(&attr, head_config, data->error)) |
| return -EINVAL; |
| |
| if (perf_pmu__config(pmu, &attr, head_config, data->error)) |
| return -EINVAL; |
| |
| evsel = __add_event(list, &data->idx, &attr, |
| pmu_event_name(head_config), pmu->cpus); |
| if (evsel) { |
| evsel->unit = info.unit; |
| evsel->scale = info.scale; |
| evsel->per_pkg = info.per_pkg; |
| evsel->snapshot = info.snapshot; |
| } |
| |
| return evsel ? 0 : -ENOMEM; |
| } |
| |
| int parse_events__modifier_group(struct list_head *list, |
| char *event_mod) |
| { |
| return parse_events__modifier_event(list, event_mod, true); |
| } |
| |
| void parse_events__set_leader(char *name, struct list_head *list) |
| { |
| struct perf_evsel *leader; |
| |
| __perf_evlist__set_leader(list); |
| leader = list_entry(list->next, struct perf_evsel, node); |
| leader->group_name = name ? strdup(name) : NULL; |
| } |
| |
| /* list_event is assumed to point to malloc'ed memory */ |
| void parse_events_update_lists(struct list_head *list_event, |
| struct list_head *list_all) |
| { |
| /* |
| * Called for single event definition. Update the |
| * 'all event' list, and reinit the 'single event' |
| * list, for next event definition. |
| */ |
| list_splice_tail(list_event, list_all); |
| free(list_event); |
| } |
| |
| struct event_modifier { |
| int eu; |
| int ek; |
| int eh; |
| int eH; |
| int eG; |
| int eI; |
| int precise; |
| int exclude_GH; |
| int sample_read; |
| int pinned; |
| }; |
| |
| static int get_event_modifier(struct event_modifier *mod, char *str, |
| struct perf_evsel *evsel) |
| { |
| int eu = evsel ? evsel->attr.exclude_user : 0; |
| int ek = evsel ? evsel->attr.exclude_kernel : 0; |
| int eh = evsel ? evsel->attr.exclude_hv : 0; |
| int eH = evsel ? evsel->attr.exclude_host : 0; |
| int eG = evsel ? evsel->attr.exclude_guest : 0; |
| int eI = evsel ? evsel->attr.exclude_idle : 0; |
| int precise = evsel ? evsel->attr.precise_ip : 0; |
| int sample_read = 0; |
| int pinned = evsel ? evsel->attr.pinned : 0; |
| |
| int exclude = eu | ek | eh; |
| int exclude_GH = evsel ? evsel->exclude_GH : 0; |
| |
| memset(mod, 0, sizeof(*mod)); |
| |
| while (*str) { |
| if (*str == 'u') { |
| if (!exclude) |
| exclude = eu = ek = eh = 1; |
| eu = 0; |
| } else if (*str == 'k') { |
| if (!exclude) |
| exclude = eu = ek = eh = 1; |
| ek = 0; |
| } else if (*str == 'h') { |
| if (!exclude) |
| exclude = eu = ek = eh = 1; |
| eh = 0; |
| } else if (*str == 'G') { |
| if (!exclude_GH) |
| exclude_GH = eG = eH = 1; |
| eG = 0; |
| } else if (*str == 'H') { |
| if (!exclude_GH) |
| exclude_GH = eG = eH = 1; |
| eH = 0; |
| } else if (*str == 'I') { |
| eI = 1; |
| } else if (*str == 'p') { |
| precise++; |
| /* use of precise requires exclude_guest */ |
| if (!exclude_GH) |
| eG = 1; |
| } else if (*str == 'S') { |
| sample_read = 1; |
| } else if (*str == 'D') { |
| pinned = 1; |
| } else |
| break; |
| |
| ++str; |
| } |
| |
| /* |
| * precise ip: |
| * |
| * 0 - SAMPLE_IP can have arbitrary skid |
| * 1 - SAMPLE_IP must have constant skid |
| * 2 - SAMPLE_IP requested to have 0 skid |
| * 3 - SAMPLE_IP must have 0 skid |
| * |
| * See also PERF_RECORD_MISC_EXACT_IP |
| */ |
| if (precise > 3) |
| return -EINVAL; |
| |
| mod->eu = eu; |
| mod->ek = ek; |
| mod->eh = eh; |
| mod->eH = eH; |
| mod->eG = eG; |
| mod->eI = eI; |
| mod->precise = precise; |
| mod->exclude_GH = exclude_GH; |
| mod->sample_read = sample_read; |
| mod->pinned = pinned; |
| |
| return 0; |
| } |
| |
| /* |
| * Basic modifier sanity check to validate it contains only one |
| * instance of any modifier (apart from 'p') present. |
| */ |
| static int check_modifier(char *str) |
| { |
| char *p = str; |
| |
| /* The sizeof includes 0 byte as well. */ |
| if (strlen(str) > (sizeof("ukhGHpppSDI") - 1)) |
| return -1; |
| |
| while (*p) { |
| if (*p != 'p' && strchr(p + 1, *p)) |
| return -1; |
| p++; |
| } |
| |
| return 0; |
| } |
| |
| int parse_events__modifier_event(struct list_head *list, char *str, bool add) |
| { |
| struct perf_evsel *evsel; |
| struct event_modifier mod; |
| |
| if (str == NULL) |
| return 0; |
| |
| if (check_modifier(str)) |
| return -EINVAL; |
| |
| if (!add && get_event_modifier(&mod, str, NULL)) |
| return -EINVAL; |
| |
| __evlist__for_each(list, evsel) { |
| if (add && get_event_modifier(&mod, str, evsel)) |
| return -EINVAL; |
| |
| evsel->attr.exclude_user = mod.eu; |
| evsel->attr.exclude_kernel = mod.ek; |
| evsel->attr.exclude_hv = mod.eh; |
| evsel->attr.precise_ip = mod.precise; |
| evsel->attr.exclude_host = mod.eH; |
| evsel->attr.exclude_guest = mod.eG; |
| evsel->attr.exclude_idle = mod.eI; |
| evsel->exclude_GH = mod.exclude_GH; |
| evsel->sample_read = mod.sample_read; |
| |
| if (perf_evsel__is_group_leader(evsel)) |
| evsel->attr.pinned = mod.pinned; |
| } |
| |
| return 0; |
| } |
| |
| int parse_events_name(struct list_head *list, char *name) |
| { |
| struct perf_evsel *evsel; |
| |
| __evlist__for_each(list, evsel) { |
| if (!evsel->name) |
| evsel->name = strdup(name); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| comp_pmu(const void *p1, const void *p2) |
| { |
| struct perf_pmu_event_symbol *pmu1 = (struct perf_pmu_event_symbol *) p1; |
| struct perf_pmu_event_symbol *pmu2 = (struct perf_pmu_event_symbol *) p2; |
| |
| return strcmp(pmu1->symbol, pmu2->symbol); |
| } |
| |
| static void perf_pmu__parse_cleanup(void) |
| { |
| if (perf_pmu_events_list_num > 0) { |
| struct perf_pmu_event_symbol *p; |
| int i; |
| |
| for (i = 0; i < perf_pmu_events_list_num; i++) { |
| p = perf_pmu_events_list + i; |
| free(p->symbol); |
| } |
| free(perf_pmu_events_list); |
| perf_pmu_events_list = NULL; |
| perf_pmu_events_list_num = 0; |
| } |
| } |
| |
| #define SET_SYMBOL(str, stype) \ |
| do { \ |
| p->symbol = str; \ |
| if (!p->symbol) \ |
| goto err; \ |
| p->type = stype; \ |
| } while (0) |
| |
| /* |
| * Read the pmu events list from sysfs |
| * Save it into perf_pmu_events_list |
| */ |
| static void perf_pmu__parse_init(void) |
| { |
| |
| struct perf_pmu *pmu = NULL; |
| struct perf_pmu_alias *alias; |
| int len = 0; |
| |
| pmu = perf_pmu__find("cpu"); |
| if ((pmu == NULL) || list_empty(&pmu->aliases)) { |
| perf_pmu_events_list_num = -1; |
| return; |
| } |
| list_for_each_entry(alias, &pmu->aliases, list) { |
| if (strchr(alias->name, '-')) |
| len++; |
| len++; |
| } |
| perf_pmu_events_list = malloc(sizeof(struct perf_pmu_event_symbol) * len); |
| if (!perf_pmu_events_list) |
| return; |
| perf_pmu_events_list_num = len; |
| |
| len = 0; |
| list_for_each_entry(alias, &pmu->aliases, list) { |
| struct perf_pmu_event_symbol *p = perf_pmu_events_list + len; |
| char *tmp = strchr(alias->name, '-'); |
| |
| if (tmp != NULL) { |
| SET_SYMBOL(strndup(alias->name, tmp - alias->name), |
| PMU_EVENT_SYMBOL_PREFIX); |
| p++; |
| SET_SYMBOL(strdup(++tmp), PMU_EVENT_SYMBOL_SUFFIX); |
| len += 2; |
| } else { |
| SET_SYMBOL(strdup(alias->name), PMU_EVENT_SYMBOL); |
| len++; |
| } |
| } |
| qsort(perf_pmu_events_list, len, |
| sizeof(struct perf_pmu_event_symbol), comp_pmu); |
| |
| return; |
| err: |
| perf_pmu__parse_cleanup(); |
| } |
| |
| enum perf_pmu_event_symbol_type |
| perf_pmu__parse_check(const char *name) |
| { |
| struct perf_pmu_event_symbol p, *r; |
| |
| /* scan kernel pmu events from sysfs if needed */ |
| if (perf_pmu_events_list_num == 0) |
| perf_pmu__parse_init(); |
| /* |
| * name "cpu" could be prefix of cpu-cycles or cpu// events. |
| * cpu-cycles has been handled by hardcode. |
| * So it must be cpu// events, not kernel pmu event. |
| */ |
| if ((perf_pmu_events_list_num <= 0) || !strcmp(name, "cpu")) |
| return PMU_EVENT_SYMBOL_ERR; |
| |
| p.symbol = strdup(name); |
| r = bsearch(&p, perf_pmu_events_list, |
| (size_t) perf_pmu_events_list_num, |
| sizeof(struct perf_pmu_event_symbol), comp_pmu); |
| free(p.symbol); |
| return r ? r->type : PMU_EVENT_SYMBOL_ERR; |
| } |
| |
| static int parse_events__scanner(const char *str, void *data, int start_token) |
| { |
| YY_BUFFER_STATE buffer; |
| void *scanner; |
| int ret; |
| |
| ret = parse_events_lex_init_extra(start_token, &scanner); |
| if (ret) |
| return ret; |
| |
| buffer = parse_events__scan_string(str, scanner); |
| |
| #ifdef PARSER_DEBUG |
| parse_events_debug = 1; |
| #endif |
| ret = parse_events_parse(data, scanner); |
| |
| parse_events__flush_buffer(buffer, scanner); |
| parse_events__delete_buffer(buffer, scanner); |
| parse_events_lex_destroy(scanner); |
| return ret; |
| } |
| |
| /* |
| * parse event config string, return a list of event terms. |
| */ |
| int parse_events_terms(struct list_head *terms, const char *str) |
| { |
| struct parse_events_terms data = { |
| .terms = NULL, |
| }; |
| int ret; |
| |
| ret = parse_events__scanner(str, &data, PE_START_TERMS); |
| if (!ret) { |
| list_splice(data.terms, terms); |
| zfree(&data.terms); |
| return 0; |
| } |
| |
| if (data.terms) |
| parse_events__free_terms(data.terms); |
| return ret; |
| } |
| |
| int parse_events(struct perf_evlist *evlist, const char *str, |
| struct parse_events_error *err) |
| { |
| struct parse_events_evlist data = { |
| .list = LIST_HEAD_INIT(data.list), |
| .idx = evlist->nr_entries, |
| .error = err, |
| }; |
| int ret; |
| |
| ret = parse_events__scanner(str, &data, PE_START_EVENTS); |
| perf_pmu__parse_cleanup(); |
| if (!ret) { |
| int entries = data.idx - evlist->nr_entries; |
| perf_evlist__splice_list_tail(evlist, &data.list, entries); |
| evlist->nr_groups += data.nr_groups; |
| return 0; |
| } |
| |
| /* |
| * There are 2 users - builtin-record and builtin-test objects. |
| * Both call perf_evlist__delete in case of error, so we dont |
| * need to bother. |
| */ |
| return ret; |
| } |
| |
| #define MAX_WIDTH 1000 |
| static int get_term_width(void) |
| { |
| struct winsize ws; |
| |
| get_term_dimensions(&ws); |
| return ws.ws_col > MAX_WIDTH ? MAX_WIDTH : ws.ws_col; |
| } |
| |
| static void parse_events_print_error(struct parse_events_error *err, |
| const char *event) |
| { |
| const char *str = "invalid or unsupported event: "; |
| char _buf[MAX_WIDTH]; |
| char *buf = (char *) event; |
| int idx = 0; |
| |
| if (err->str) { |
| /* -2 for extra '' in the final fprintf */ |
| int width = get_term_width() - 2; |
| int len_event = strlen(event); |
| int len_str, max_len, cut = 0; |
| |
| /* |
| * Maximum error index indent, we will cut |
| * the event string if it's bigger. |
| */ |
| int max_err_idx = 10; |
| |
| /* |
| * Let's be specific with the message when |
| * we have the precise error. |
| */ |
| str = "event syntax error: "; |
| len_str = strlen(str); |
| max_len = width - len_str; |
| |
| buf = _buf; |
| |
| /* We're cutting from the beggining. */ |
| if (err->idx > max_err_idx) |
| cut = err->idx - max_err_idx; |
| |
| strncpy(buf, event + cut, max_len); |
| |
| /* Mark cut parts with '..' on both sides. */ |
| if (cut) |
| buf[0] = buf[1] = '.'; |
| |
| if ((len_event - cut) > max_len) { |
| buf[max_len - 1] = buf[max_len - 2] = '.'; |
| buf[max_len] = 0; |
| } |
| |
| idx = len_str + err->idx - cut; |
| } |
| |
| fprintf(stderr, "%s'%s'\n", str, buf); |
| if (idx) { |
| fprintf(stderr, "%*s\\___ %s\n", idx + 1, "", err->str); |
| if (err->help) |
| fprintf(stderr, "\n%s\n", err->help); |
| free(err->str); |
| free(err->help); |
| } |
| |
| fprintf(stderr, "Run 'perf list' for a list of valid events\n"); |
| } |
| |
| #undef MAX_WIDTH |
| |
| int parse_events_option(const struct option *opt, const char *str, |
| int unset __maybe_unused) |
| { |
| struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
| struct parse_events_error err = { .idx = 0, }; |
| int ret = parse_events(evlist, str, &err); |
| |
| if (ret) |
| parse_events_print_error(&err, str); |
| |
| return ret; |
| } |
| |
| int parse_filter(const struct option *opt, const char *str, |
| int unset __maybe_unused) |
| { |
| struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; |
| struct perf_evsel *last = NULL; |
| |
| if (evlist->nr_entries > 0) |
| last = perf_evlist__last(evlist); |
| |
| if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) { |
| fprintf(stderr, |
| "--filter option should follow a -e tracepoint option\n"); |
| return -1; |
| } |
| |
| last->filter = strdup(str); |
| if (last->filter == NULL) { |
| fprintf(stderr, "not enough memory to hold filter string\n"); |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static const char * const event_type_descriptors[] = { |
| "Hardware event", |
| "Software event", |
| "Tracepoint event", |
| "Hardware cache event", |
| "Raw hardware event descriptor", |
| "Hardware breakpoint", |
| }; |
| |
| static int cmp_string(const void *a, const void *b) |
| { |
| const char * const *as = a; |
| const char * const *bs = b; |
| |
| return strcmp(*as, *bs); |
| } |
| |
| /* |
| * Print the events from <debugfs_mount_point>/tracing/events |
| */ |
| |
| void print_tracepoint_events(const char *subsys_glob, const char *event_glob, |
| bool name_only) |
| { |
| DIR *sys_dir, *evt_dir; |
| struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; |
| char evt_path[MAXPATHLEN]; |
| char dir_path[MAXPATHLEN]; |
| char **evt_list = NULL; |
| unsigned int evt_i = 0, evt_num = 0; |
| bool evt_num_known = false; |
| |
| restart: |
| sys_dir = opendir(tracing_events_path); |
| if (!sys_dir) |
| return; |
| |
| if (evt_num_known) { |
| evt_list = zalloc(sizeof(char *) * evt_num); |
| if (!evt_list) |
| goto out_close_sys_dir; |
| } |
| |
| for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
| if (subsys_glob != NULL && |
| !strglobmatch(sys_dirent.d_name, subsys_glob)) |
| continue; |
| |
| snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
| sys_dirent.d_name); |
| evt_dir = opendir(dir_path); |
| if (!evt_dir) |
| continue; |
| |
| for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
| if (event_glob != NULL && |
| !strglobmatch(evt_dirent.d_name, event_glob)) |
| continue; |
| |
| if (!evt_num_known) { |
| evt_num++; |
| continue; |
| } |
| |
| snprintf(evt_path, MAXPATHLEN, "%s:%s", |
| sys_dirent.d_name, evt_dirent.d_name); |
| |
| evt_list[evt_i] = strdup(evt_path); |
| if (evt_list[evt_i] == NULL) |
| goto out_close_evt_dir; |
| evt_i++; |
| } |
| closedir(evt_dir); |
| } |
| closedir(sys_dir); |
| |
| if (!evt_num_known) { |
| evt_num_known = true; |
| goto restart; |
| } |
| qsort(evt_list, evt_num, sizeof(char *), cmp_string); |
| evt_i = 0; |
| while (evt_i < evt_num) { |
| if (name_only) { |
| printf("%s ", evt_list[evt_i++]); |
| continue; |
| } |
| printf(" %-50s [%s]\n", evt_list[evt_i++], |
| event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
| } |
| if (evt_num) |
| printf("\n"); |
| |
| out_free: |
| evt_num = evt_i; |
| for (evt_i = 0; evt_i < evt_num; evt_i++) |
| zfree(&evt_list[evt_i]); |
| zfree(&evt_list); |
| return; |
| |
| out_close_evt_dir: |
| closedir(evt_dir); |
| out_close_sys_dir: |
| closedir(sys_dir); |
| |
| printf("FATAL: not enough memory to print %s\n", |
| event_type_descriptors[PERF_TYPE_TRACEPOINT]); |
| if (evt_list) |
| goto out_free; |
| } |
| |
| /* |
| * Check whether event is in <debugfs_mount_point>/tracing/events |
| */ |
| |
| int is_valid_tracepoint(const char *event_string) |
| { |
| DIR *sys_dir, *evt_dir; |
| struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; |
| char evt_path[MAXPATHLEN]; |
| char dir_path[MAXPATHLEN]; |
| |
| sys_dir = opendir(tracing_events_path); |
| if (!sys_dir) |
| return 0; |
| |
| for_each_subsystem(sys_dir, sys_dirent, sys_next) { |
| |
| snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path, |
| sys_dirent.d_name); |
| evt_dir = opendir(dir_path); |
| if (!evt_dir) |
| continue; |
| |
| for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) { |
| snprintf(evt_path, MAXPATHLEN, "%s:%s", |
| sys_dirent.d_name, evt_dirent.d_name); |
| if (!strcmp(evt_path, event_string)) { |
| closedir(evt_dir); |
| closedir(sys_dir); |
| return 1; |
| } |
| } |
| closedir(evt_dir); |
| } |
| closedir(sys_dir); |
| return 0; |
| } |
| |
| static bool is_event_supported(u8 type, unsigned config) |
| { |
| bool ret = true; |
| int open_return; |
| struct perf_evsel *evsel; |
| struct perf_event_attr attr = { |
| .type = type, |
| .config = config, |
| .disabled = 1, |
| }; |
| struct { |
| struct thread_map map; |
| int threads[1]; |
| } tmap = { |
| .map.nr = 1, |
| .threads = { 0 }, |
| }; |
| |
| evsel = perf_evsel__new(&attr); |
| if (evsel) { |
| open_return = perf_evsel__open(evsel, NULL, &tmap.map); |
| ret = open_return >= 0; |
| |
| if (open_return == -EACCES) { |
| /* |
| * This happens if the paranoid value |
| * /proc/sys/kernel/perf_event_paranoid is set to 2 |
| * Re-run with exclude_kernel set; we don't do that |
| * by default as some ARM machines do not support it. |
| * |
| */ |
| evsel->attr.exclude_kernel = 1; |
| ret = perf_evsel__open(evsel, NULL, &tmap.map) >= 0; |
| } |
| perf_evsel__delete(evsel); |
| } |
| |
| return ret; |
| } |
| |
| int print_hwcache_events(const char *event_glob, bool name_only) |
| { |
| unsigned int type, op, i, evt_i = 0, evt_num = 0; |
| char name[64]; |
| char **evt_list = NULL; |
| bool evt_num_known = false; |
| |
| restart: |
| if (evt_num_known) { |
| evt_list = zalloc(sizeof(char *) * evt_num); |
| if (!evt_list) |
| goto out_enomem; |
| } |
| |
| for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { |
| for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { |
| /* skip invalid cache type */ |
| if (!perf_evsel__is_cache_op_valid(type, op)) |
| continue; |
| |
| for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { |
| __perf_evsel__hw_cache_type_op_res_name(type, op, i, |
| name, sizeof(name)); |
| if (event_glob != NULL && !strglobmatch(name, event_glob)) |
| continue; |
| |
| if (!is_event_supported(PERF_TYPE_HW_CACHE, |
| type | (op << 8) | (i << 16))) |
| continue; |
| |
| if (!evt_num_known) { |
| evt_num++; |
| continue; |
| } |
| |
| evt_list[evt_i] = strdup(name); |
| if (evt_list[evt_i] == NULL) |
| goto out_enomem; |
| evt_i++; |
| } |
| } |
| } |
| |
| if (!evt_num_known) { |
| evt_num_known = true; |
| goto restart; |
| } |
| qsort(evt_list, evt_num, sizeof(char *), cmp_string); |
| evt_i = 0; |
| while (evt_i < evt_num) { |
| if (name_only) { |
| printf("%s ", evt_list[evt_i++]); |
| continue; |
| } |
| printf(" %-50s [%s]\n", evt_list[evt_i++], |
| event_type_descriptors[PERF_TYPE_HW_CACHE]); |
| } |
| if (evt_num) |
| printf("\n"); |
| |
| out_free: |
| evt_num = evt_i; |
| for (evt_i = 0; evt_i < evt_num; evt_i++) |
| zfree(&evt_list[evt_i]); |
| zfree(&evt_list); |
| return evt_num; |
| |
| out_enomem: |
| printf("FATAL: not enough memory to print %s\n", event_type_descriptors[PERF_TYPE_HW_CACHE]); |
| if (evt_list) |
| goto out_free; |
| return evt_num; |
| } |
| |
| void print_symbol_events(const char *event_glob, unsigned type, |
| struct event_symbol *syms, unsigned max, |
| bool name_only) |
| { |
| unsigned int i, evt_i = 0, evt_num = 0; |
| char name[MAX_NAME_LEN]; |
| char **evt_list = NULL; |
| bool evt_num_known = false; |
| |
| restart: |
| if (evt_num_known) { |
| evt_list = zalloc(sizeof(char *) * evt_num); |
| if (!evt_list) |
| goto out_enomem; |
| syms -= max; |
| } |
| |
| for (i = 0; i < max; i++, syms++) { |
| |
| if (event_glob != NULL && |
| !(strglobmatch(syms->symbol, event_glob) || |
| (syms->alias && strglobmatch(syms->alias, event_glob)))) |
| continue; |
| |
| if (!is_event_supported(type, i)) |
| continue; |
| |
| if (!evt_num_known) { |
| evt_num++; |
| continue; |
| } |
| |
| if (!name_only && strlen(syms->alias)) |
| snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); |
| else |
| strncpy(name, syms->symbol, MAX_NAME_LEN); |
| |
| evt_list[evt_i] = strdup(name); |
| if (evt_list[evt_i] == NULL) |
| goto out_enomem; |
| evt_i++; |
| } |
| |
| if (!evt_num_known) { |
| evt_num_known = true; |
| goto restart; |
| } |
| qsort(evt_list, evt_num, sizeof(char *), cmp_string); |
| evt_i = 0; |
| while (evt_i < evt_num) { |
| if (name_only) { |
| printf("%s ", evt_list[evt_i++]); |
| continue; |
| } |
| printf(" %-50s [%s]\n", evt_list[evt_i++], event_type_descriptors[type]); |
| } |
| if (evt_num) |
| printf("\n"); |
| |
| out_free: |
| evt_num = evt_i; |
| for (evt_i = 0; evt_i < evt_num; evt_i++) |
| zfree(&evt_list[evt_i]); |
| zfree(&evt_list); |
| return; |
| |
| out_enomem: |
| printf("FATAL: not enough memory to print %s\n", event_type_descriptors[type]); |
| if (evt_list) |
| goto out_free; |
| } |
| |
| /* |
| * Print the help text for the event symbols: |
| */ |
| void print_events(const char *event_glob, bool name_only) |
| { |
| print_symbol_events(event_glob, PERF_TYPE_HARDWARE, |
| event_symbols_hw, PERF_COUNT_HW_MAX, name_only); |
| |
| print_symbol_events(event_glob, PERF_TYPE_SOFTWARE, |
| event_symbols_sw, PERF_COUNT_SW_MAX, name_only); |
| |
| print_hwcache_events(event_glob, name_only); |
| |
| print_pmu_events(event_glob, name_only); |
| |
| if (event_glob != NULL) |
| return; |
| |
| if (!name_only) { |
| printf(" %-50s [%s]\n", |
| "rNNN", |
| event_type_descriptors[PERF_TYPE_RAW]); |
| printf(" %-50s [%s]\n", |
| "cpu/t1=v1[,t2=v2,t3 ...]/modifier", |
| event_type_descriptors[PERF_TYPE_RAW]); |
| printf(" (see 'man perf-list' on how to encode it)\n"); |
| printf("\n"); |
| |
| printf(" %-50s [%s]\n", |
| "mem:<addr>[/len][:access]", |
| event_type_descriptors[PERF_TYPE_BREAKPOINT]); |
| printf("\n"); |
| } |
| |
| print_tracepoint_events(NULL, NULL, name_only); |
| } |
| |
| int parse_events__is_hardcoded_term(struct parse_events_term *term) |
| { |
| return term->type_term != PARSE_EVENTS__TERM_TYPE_USER; |
| } |
| |
| static int new_term(struct parse_events_term **_term, int type_val, |
| int type_term, char *config, |
| char *str, u64 num, int err_term, int err_val) |
| { |
| struct parse_events_term *term; |
| |
| term = zalloc(sizeof(*term)); |
| if (!term) |
| return -ENOMEM; |
| |
| INIT_LIST_HEAD(&term->list); |
| term->type_val = type_val; |
| term->type_term = type_term; |
| term->config = config; |
| term->err_term = err_term; |
| term->err_val = err_val; |
| |
| switch (type_val) { |
| case PARSE_EVENTS__TERM_TYPE_NUM: |
| term->val.num = num; |
| break; |
| case PARSE_EVENTS__TERM_TYPE_STR: |
| term->val.str = str; |
| break; |
| default: |
| free(term); |
| return -EINVAL; |
| } |
| |
| *_term = term; |
| return 0; |
| } |
| |
| int parse_events_term__num(struct parse_events_term **term, |
| int type_term, char *config, u64 num, |
| void *loc_term_, void *loc_val_) |
| { |
| YYLTYPE *loc_term = loc_term_; |
| YYLTYPE *loc_val = loc_val_; |
| |
| return new_term(term, PARSE_EVENTS__TERM_TYPE_NUM, type_term, |
| config, NULL, num, |
| loc_term ? loc_term->first_column : 0, |
| loc_val ? loc_val->first_column : 0); |
| } |
| |
| int parse_events_term__str(struct parse_events_term **term, |
| int type_term, char *config, char *str, |
| void *loc_term_, void *loc_val_) |
| { |
| YYLTYPE *loc_term = loc_term_; |
| YYLTYPE *loc_val = loc_val_; |
| |
| return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, type_term, |
| config, str, 0, |
| loc_term ? loc_term->first_column : 0, |
| loc_val ? loc_val->first_column : 0); |
| } |
| |
| int parse_events_term__sym_hw(struct parse_events_term **term, |
| char *config, unsigned idx) |
| { |
| struct event_symbol *sym; |
| |
| BUG_ON(idx >= PERF_COUNT_HW_MAX); |
| sym = &event_symbols_hw[idx]; |
| |
| if (config) |
| return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, |
| PARSE_EVENTS__TERM_TYPE_USER, config, |
| (char *) sym->symbol, 0, 0, 0); |
| else |
| return new_term(term, PARSE_EVENTS__TERM_TYPE_STR, |
| PARSE_EVENTS__TERM_TYPE_USER, |
| (char *) "event", (char *) sym->symbol, |
| 0, 0, 0); |
| } |
| |
| int parse_events_term__clone(struct parse_events_term **new, |
| struct parse_events_term *term) |
| { |
| return new_term(new, term->type_val, term->type_term, term->config, |
| term->val.str, term->val.num, |
| term->err_term, term->err_val); |
| } |
| |
| void parse_events__free_terms(struct list_head *terms) |
| { |
| struct parse_events_term *term, *h; |
| |
| list_for_each_entry_safe(term, h, terms, list) |
| free(term); |
| } |
| |
| void parse_events_evlist_error(struct parse_events_evlist *data, |
| int idx, const char *str) |
| { |
| struct parse_events_error *err = data->error; |
| |
| if (!err) |
| return; |
| err->idx = idx; |
| err->str = strdup(str); |
| WARN_ONCE(!err->str, "WARNING: failed to allocate error string"); |
| } |