diff options
| -rw-r--r-- | tools/perf/builtin-list.c | 333 | ||||
| -rw-r--r-- | tools/perf/util/metricgroup.c | 243 | ||||
| -rw-r--r-- | tools/perf/util/metricgroup.h | 4 | ||||
| -rw-r--r-- | tools/perf/util/pmu.c | 145 | ||||
| -rw-r--r-- | tools/perf/util/pmu.h | 5 | ||||
| -rw-r--r-- | tools/perf/util/print-events.c | 364 | ||||
| -rw-r--r-- | tools/perf/util/print-events.h | 42 |
7 files changed, 624 insertions, 512 deletions
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index cc84ced6da26..0c84fdb3ad37 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -15,31 +15,240 @@ #include "util/pmu-hybrid.h" #include "util/debug.h" #include "util/metricgroup.h" +#include "util/string2.h" +#include "util/strlist.h" #include <subcmd/pager.h> #include <subcmd/parse-options.h> #include <stdio.h> -static bool desc_flag = true; -static bool details_flag; +/** + * struct print_state - State and configuration passed to the default_print + * functions. + */ +struct print_state { + /** + * @pmu_glob: Optionally restrict PMU and metric matching to PMU or + * debugfs subsystem name. + */ + char *pmu_glob; + /** @event_glob: Optional pattern matching glob. */ + char *event_glob; + /** @name_only: Print event or metric names only. */ + bool name_only; + /** @desc: Print the event or metric description. */ + bool desc; + /** @long_desc: Print longer event or metric description. */ + bool long_desc; + /** @deprecated: Print deprecated events or metrics. */ + bool deprecated; + /** + * @detailed: Print extra information on the perf event such as names + * and expressions used internally by events. + */ + bool detailed; + /** @metrics: Controls printing of metric and metric groups. */ + bool metrics; + /** @metricgroups: Controls printing of metric and metric groups. */ + bool metricgroups; + /** @last_topic: The last printed event topic. */ + char *last_topic; + /** @last_metricgroups: The last printed metric group. */ + char *last_metricgroups; + /** @visited_metrics: Metrics that are printed to avoid duplicates. */ + struct strlist *visited_metrics; +}; + +static void default_print_start(void *ps) +{ + struct print_state *print_state = ps; + + if (!print_state->name_only && pager_in_use()) + printf("\nList of pre-defined events (to be used in -e or -M):\n\n"); +} + +static void default_print_end(void *print_state __maybe_unused) {} + +static void wordwrap(const char *s, int start, int max, int corr) +{ + int column = start; + int n; + + while (*s) { + int wlen = strcspn(s, " \t"); + + if (column + wlen >= max && column > start) { + printf("\n%*s", start, ""); + column = start + corr; + } + n = printf("%s%.*s", column > start ? " " : "", wlen, s); + if (n <= 0) + break; + s += wlen; + column += n; + s = skip_spaces(s); + } +} + +static void default_print_event(void *ps, const char *pmu_name, const char *topic, + const char *event_name, const char *event_alias, + const char *scale_unit __maybe_unused, + bool deprecated, const char *event_type_desc, + const char *desc, const char *long_desc, + const char *encoding_desc, + const char *metric_name, const char *metric_expr) +{ + struct print_state *print_state = ps; + int pos; + + if (deprecated && !print_state->deprecated) + return; + + if (print_state->pmu_glob && pmu_name && !strglobmatch(pmu_name, print_state->pmu_glob)) + return; + + if (print_state->event_glob && + (!event_name || !strglobmatch(event_name, print_state->event_glob)) && + (!event_alias || !strglobmatch(event_alias, print_state->event_glob)) && + (!topic || !strglobmatch_nocase(topic, print_state->event_glob))) + return; + + if (print_state->name_only) { + if (event_alias && strlen(event_alias)) + printf("%s ", event_alias); + else + printf("%s ", event_name); + return; + } + + if (strcmp(print_state->last_topic, topic ?: "")) { + if (topic) + printf("\n%s:\n", topic); + free(print_state->last_topic); + print_state->last_topic = strdup(topic ?: ""); + } + + if (event_alias && strlen(event_alias)) + pos = printf(" %s OR %s", event_name, event_alias); + else + pos = printf(" %s", event_name); + + if (!topic && event_type_desc) { + for (; pos < 53; pos++) + putchar(' '); + printf("[%s]\n", event_type_desc); + } else + putchar('\n'); + + if (desc && print_state->desc) { + printf("%*s", 8, "["); + wordwrap(desc, 8, pager_get_columns(), 0); + printf("]\n"); + } + + if (long_desc && print_state->long_desc) { + printf("%*s", 8, "["); + wordwrap(long_desc, 8, pager_get_columns(), 0); + printf("]\n"); + } + + if (print_state->detailed && encoding_desc) { + printf("%*s%s", 8, "", encoding_desc); + if (metric_name) + printf(" MetricName: %s", metric_name); + if (metric_expr) + printf(" MetricExpr: %s", metric_expr); + putchar('\n'); + } +} + +static void default_print_metric(void *ps, + const char *group, + const char *name, + const char *desc, + const char *long_desc, + const char *expr, + const char *unit __maybe_unused) +{ + struct print_state *print_state = ps; + + if (print_state->event_glob && + (!print_state->metrics || !name || !strglobmatch(name, print_state->event_glob)) && + (!print_state->metricgroups || !group || !strglobmatch(group, print_state->event_glob))) + return; + + if (!print_state->name_only && !print_state->last_metricgroups) { + if (print_state->metricgroups) { + printf("\nMetric Groups:\n"); + if (!print_state->metrics) + putchar('\n'); + } else { + printf("\nMetrics:\n\n"); + } + } + if (!print_state->last_metricgroups || + strcmp(print_state->last_metricgroups, group ?: "")) { + if (group && print_state->metricgroups) { + if (print_state->name_only) + printf("%s ", group); + else if (print_state->metrics) + printf("\n%s:\n", group); + else + printf("%s\n", group); + } + free(print_state->last_metricgroups); + print_state->last_metricgroups = strdup(group ?: ""); + } + if (!print_state->metrics) + return; + + if (print_state->name_only) { + if (print_state->metrics && + !strlist__has_entry(print_state->visited_metrics, name)) { + printf("%s ", name); + strlist__add(print_state->visited_metrics, name); + } + return; + } + printf(" %s\n", name); + + if (desc && print_state->desc) { + printf("%*s", 8, "["); + wordwrap(desc, 8, pager_get_columns(), 0); + printf("]\n"); + } + if (long_desc && print_state->long_desc) { + printf("%*s", 8, "["); + wordwrap(long_desc, 8, pager_get_columns(), 0); + printf("]\n"); + } + if (expr && print_state->detailed) { + printf("%*s", 8, "["); + wordwrap(expr, 8, pager_get_columns(), 0); + printf("]\n"); + } +} int cmd_list(int argc, const char **argv) { int i, ret = 0; - bool raw_dump = false; - bool long_desc_flag = false; - bool deprecated = false; - char *pmu_name = NULL; + struct print_state ps = {}; + struct print_callbacks print_cb = { + .print_start = default_print_start, + .print_end = default_print_end, + .print_event = default_print_event, + .print_metric = default_print_metric, + }; const char *hybrid_name = NULL; const char *unit_name = NULL; struct option list_options[] = { - OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"), - OPT_BOOLEAN('d', "desc", &desc_flag, + OPT_BOOLEAN(0, "raw-dump", &ps.name_only, "Dump raw events"), + OPT_BOOLEAN('d', "desc", &ps.desc, "Print extra event descriptions. --no-desc to not print."), - OPT_BOOLEAN('v', "long-desc", &long_desc_flag, + OPT_BOOLEAN('v', "long-desc", &ps.long_desc, "Print longer event descriptions."), - OPT_BOOLEAN(0, "details", &details_flag, + OPT_BOOLEAN(0, "details", &ps.detailed, "Print information on the perf event names and expressions used internally by events."), - OPT_BOOLEAN(0, "deprecated", &deprecated, + OPT_BOOLEAN(0, "deprecated", &ps.deprecated, "Print deprecated events."), OPT_STRING(0, "cputype", &hybrid_name, "hybrid cpu type", "Limit PMU or metric printing to the given hybrid PMU (e.g. core or atom)."), @@ -63,20 +272,28 @@ int cmd_list(int argc, const char **argv) setup_pager(); - if (!raw_dump && pager_in_use()) - printf("\nList of pre-defined events (to be used in -e or -M):\n\n"); + if (!ps.name_only) + setup_pager(); + ps.desc = !ps.long_desc; + ps.last_topic = strdup(""); + assert(ps.last_topic); + ps.visited_metrics = strlist__new(NULL, NULL); + assert(ps.visited_metrics); if (unit_name) - pmu_name = strdup(unit_name); + ps.pmu_glob = strdup(unit_name); else if (hybrid_name) { - pmu_name = perf_pmu__hybrid_type_to_pmu(hybrid_name); - if (!pmu_name) + ps.pmu_glob = perf_pmu__hybrid_type_to_pmu(hybrid_name); + if (!ps.pmu_glob) pr_warning("WARNING: hybrid cputype is not supported!\n"); } + print_cb.print_start(&ps); + if (argc == 0) { - print_events(NULL, raw_dump, !desc_flag, long_desc_flag, - details_flag, deprecated, pmu_name); + ps.metrics = true; + ps.metricgroups = true; + print_events(&print_cb, &ps); goto out; } @@ -84,31 +301,35 @@ int cmd_list(int argc, const char **argv) char *sep, *s; if (strcmp(argv[i], "tracepoint") == 0) - print_tracepoint_events(NULL, NULL, raw_dump); + print_tracepoint_events(&print_cb, &ps); else if (strcmp(argv[i], "hw") == 0 || strcmp(argv[i], "hardware") == 0) - print_symbol_events(NULL, PERF_TYPE_HARDWARE, - event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump); + print_symbol_events(&print_cb, &ps, PERF_TYPE_HARDWARE, + event_symbols_hw, PERF_COUNT_HW_MAX); else if (strcmp(argv[i], "sw") == 0 || strcmp(argv[i], "software") == 0) { - print_symbol_events(NULL, PERF_TYPE_SOFTWARE, - event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump); - print_tool_events(NULL, raw_dump); + print_symbol_events(&print_cb, &ps, PERF_TYPE_SOFTWARE, + event_symbols_sw, PERF_COUNT_SW_MAX); + print_tool_events(&print_cb, &ps); } else if (strcmp(argv[i], "cache") == 0 || strcmp(argv[i], "hwcache") == 0) - print_hwcache_events(NULL, raw_dump); + print_hwcache_events(&print_cb, &ps); else if (strcmp(argv[i], "pmu") == 0) - print_pmu_events(NULL, raw_dump, !desc_flag, - long_desc_flag, details_flag, - deprecated, pmu_name); + print_pmu_events(&print_cb, &ps); else if (strcmp(argv[i], "sdt") == 0) - print_sdt_events(NULL, NULL, raw_dump); - else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0) - metricgroup__print(true, false, NULL, raw_dump, details_flag, pmu_name); - else if (strcmp(argv[i], "metricgroup") == 0 || strcmp(argv[i], "metricgroups") == 0) - metricgroup__print(false, true, NULL, raw_dump, details_flag, pmu_name); - else if ((sep = strchr(argv[i], ':')) != NULL) { + print_sdt_events(&print_cb, &ps); + else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0) { + ps.metricgroups = false; + ps.metrics = true; + metricgroup__print(&print_cb, &ps); + } else if (strcmp(argv[i], "metricgroup") == 0 || + strcmp(argv[i], "metricgroups") == 0) { + ps.metricgroups = true; + ps.metrics = false; + metricgroup__print(&print_cb, &ps); + } else if ((sep = strchr(argv[i], ':')) != NULL) { int sep_idx; + char *old_pmu_glob = ps.pmu_glob; sep_idx = sep - argv[i]; s = strdup(argv[i]); @@ -118,34 +339,42 @@ int cmd_list(int argc, const char **argv) } s[sep_idx] = '\0'; - print_tracepoint_events(s, s + sep_idx + 1, raw_dump); - print_sdt_events(s, s + sep_idx + 1, raw_dump); - metricgroup__print(true, true, s, raw_dump, details_flag, pmu_name); + ps.pmu_glob = s; + ps.event_glob = s + sep_idx + 1; + print_tracepoint_events(&print_cb, &ps); + print_sdt_events(&print_cb, &ps); + ps.metrics = true; + ps.metricgroups = true; + metricgroup__print(&print_cb, &ps); free(s); + ps.pmu_glob = old_pmu_glob; } else { if (asprintf(&s, "*%s*", argv[i]) < 0) { printf("Critical: Not enough memory! Trying to continue...\n"); continue; } - print_symbol_events(s, PERF_TYPE_HARDWARE, - event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump); - print_symbol_events(s, PERF_TYPE_SOFTWARE, - event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump); - print_tool_events(s, raw_dump); - print_hwcache_events(s, raw_dump); - print_pmu_events(s, raw_dump, !desc_flag, - long_desc_flag, - details_flag, - deprecated, - pmu_name); - print_tracepoint_events(NULL, s, raw_dump); - print_sdt_events(NULL, s, raw_dump); - metricgroup__print(true, true, s, raw_dump, details_flag, pmu_name); + ps.event_glob = s; + print_symbol_events(&print_cb, &ps, PERF_TYPE_HARDWARE, + event_symbols_hw, PERF_COUNT_HW_MAX); + print_symbol_events(&print_cb, &ps, PERF_TYPE_SOFTWARE, + event_symbols_sw, PERF_COUNT_SW_MAX); + print_tool_events(&print_cb, &ps); + print_hwcache_events(&print_cb, &ps); + print_pmu_events(&print_cb, &ps); + print_tracepoint_events(&print_cb, &ps); + print_sdt_events(&print_cb, &ps); + ps.metrics = true; + ps.metricgroups = true; + metricgroup__print(&print_cb, &ps); free(s); } } out: - free(pmu_name); + print_cb.print_end(&ps); + free(ps.pmu_glob); + free(ps.last_topic); + free(ps.last_metricgroups); + strlist__delete(ps.visited_metrics); return ret; } diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index cf9e2452d322..6eac7a60ed27 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -12,6 +12,7 @@ #include "strbuf.h" #include "pmu.h" #include "pmu-hybrid.h" +#include "print-events.h" #include "expr.h" #include "rblist.h" #include <string.h> @@ -353,51 +354,65 @@ static bool match_pe_metric(const struct pmu_event *pe, const char *metric) match_metric(pe->metric_name, metric); } +/** struct mep - RB-tree node for building printing information. */ struct mep { + /** nd - RB-tree element. */ struct rb_node nd; - const char *name; - struct strlist *metrics; + /** @metric_group: Owned metric group name, separated others with ';'. */ + char *metric_group; + const char *metric_name; + const char *metric_desc; + const char *metric_long_desc; + const char *metric_expr; + const char *metric_unit; }; static int mep_cmp(struct rb_node *rb_node, const void *entry) { struct mep *a = container_of(rb_node, struct mep, nd); struct mep *b = (struct mep *)entry; + int ret; - return strcmp(a->name, b->name); + ret = strcmp(a->metric_group, b->metric_group); + if (ret) + return ret; + + return strcmp(a->metric_name, b->metric_name); } -static struct rb_node *mep_new(struct rblist *rl __maybe_unused, - const void *entry) +static struct rb_node *mep_new(struct rblist *rl __maybe_unused, const void *entry) { struct mep *me = malloc(sizeof(struct mep)); if (!me) return NULL; + memcpy(me, entry, sizeof(struct mep)); - me->name = strdup(me->name); - if (!me->name) - goto out_me; - me->metrics = strlist__new(NULL, NULL); - if (!me->metrics) - goto out_name; return &me->nd; -out_name: - zfree(&me->name); -out_me: +} + +static void mep_delete(struct rblist *rl __maybe_unused, + struct rb_node *nd) +{ + struct mep *me = container_of(nd, struct mep, nd); + + zfree(&me->metric_group); free(me); - return NULL; } -static struct mep *mep_lookup(struct rblist *groups, const char *name) +static struct mep *mep_lookup(struct rblist *groups, const char *metric_group, + const char *metric_name) { struct rb_node *nd; struct mep me = { - .name = name + .metric_group = strdup(metric_group), + .metric_name = metric_name, }; nd = rblist__find(groups, &me); - if (nd) + if (nd) { + free(me.metric_group); return container_of(nd, struct mep, nd); + } rblist__add_node(groups, &me); nd = rblist__find(groups, &me); if (nd) @@ -405,107 +420,37 @@ static struct mep *mep_lookup(struct rblist *groups, const char *name) return NULL; } -static void mep_delete(struct rblist *rl __maybe_unused, - struct rb_node *nd) -{ - struct mep *me = container_of(nd, struct mep, nd); - - strlist__delete(me->metrics); - zfree(&me->name); - free(me); -} - -static void metricgroup__print_strlist(struct strlist *metrics, bool raw) -{ - struct str_node *sn; - int n = 0; - - strlist__for_each_entry (sn, metrics) { - if (raw) - printf("%s%s", n > 0 ? " " : "", sn->s); - else - printf(" %s\n", sn->s); - n++; - } - if (raw) - putchar('\n'); -} - -static int metricgroup__print_pmu_event(const struct pmu_event *pe, - bool metricgroups, char *filter, - bool raw, bool details, - struct rblist *groups, - struct strlist *metriclist) +static int metricgroup__add_to_mep_groups(const struct pmu_event *pe, + struct rblist *groups) { const char *g; char *omg, *mg; - g = pe->metric_group; - if (!g && pe->metric_name) { - if (pe->name) - return 0; - g = "No_group"; - } - - if (!g) - return 0; - - mg = strdup(g); - + mg = strdup(pe->metric_group ?: "No_group"); if (!mg) return -ENOMEM; omg = mg; while ((g = strsep(&mg, ";")) != NULL) { struct mep *me; - char *s; g = skip_spaces(g); - if (*g == 0) - g = "No_group"; - if (filter && !strstr(g, filter)) - continue; - if (raw) - s = (char *)pe->metric_name; - else { - if (asprintf(&s, "%s\n%*s%s]", - pe->metric_name, 8, "[", pe->desc) < 0) - return -1; - if (details) { - if (asprintf(&s, "%s\n%*s%s]", - s, 8, "[", pe->metric_expr) < 0) - return -1; - } - } - - if (!s) - continue; + if (strlen(g)) + me = mep_lookup(groups, g, pe->metric_name); + else + me = mep_lookup(groups, "No_group", pe->metric_name); - if (!metricgroups) { - strlist__add(metriclist, s); - } else { - me = mep_lookup(groups, g); - if (!me) - continue; - strlist__add(me->metrics, s); + if (me) { + me->metric_desc = pe->desc; + me->metric_long_desc = pe->long_desc; + me->metric_expr = pe->metric_expr; + me->metric_unit = pe->unit; } - - if (!raw) - free(s); } free(omg); return 0; } -struct metricgroup_print_sys_idata { - struct strlist *metriclist; - char *filter; - struct rblist *groups; - bool metricgroups; - bool raw; - bool details; -}; - struct metricgroup_iter_data { pmu_event_iter_fn fn; void *data; @@ -528,61 +473,26 @@ static int metricgroup__sys_event_iter(const struct pmu_event *pe, return d->fn(pe, table, d->data); } - return 0; } -static int metricgroup__print_sys_event_iter(const struct pmu_event *pe, - const struct pmu_events_table *table __maybe_unused, - void *data) -{ - struct metricgroup_print_sys_idata *d = data; - - return metricgroup__print_pmu_event(pe, d->metricgroups, d->filter, d->raw, - d->details, d->groups, d->metriclist); -} - -struct metricgroup_print_data { - const char *pmu_name; - struct strlist *metriclist; - char *filter; - struct rblist *groups; - bool metricgroups; - bool raw; - bool details; -}; - -static int metricgroup__print_callback(const struct pmu_event *pe, - const struct pmu_events_table *table __maybe_unused, - void *vdata) +static int metricgroup__add_to_mep_groups_callback(const struct pmu_event *pe, + const struct pmu_events_table *table __maybe_unused, + void *vdata) { - struct metricgroup_print_data *data = vdata; - const char *pmu = pe->pmu ?: "cpu"; + struct rblist *groups = vdata; - if (!pe->metric_expr) - return 0; - - if (data->pmu_name && strcmp(data->pmu_name, pmu)) + if (!pe->metric_name) return 0; - return metricgroup__print_pmu_event(pe, data->metricgroups, data->filter, - data->raw, data->details, data->groups, - data->metriclist); + return metricgroup__add_to_mep_groups(pe, groups); } -void metricgroup__print(bool metrics, bool metricgroups, char *filter, - bool raw, bool details, const char *pmu_name) +void metricgroup__print(const struct print_callbacks *print_cb, void *print_state) { struct rblist groups; - struct rb_node *node, *next; - struct strlist *metriclist = NULL; const struct pmu_events_table *table; - - if (!metricgroups) { - metriclist = strlist__new(NULL, NULL); - if (!metriclist) - return; - } + struct rb_node *node, *next; rblist__init(&groups); groups.node_new = mep_new; @@ -590,56 +500,31 @@ void metricgroup__print(bool metrics, bool metricgroups, char *filter, groups.node_delete = mep_delete; table = pmu_events_table__find(); if (table) { - struct metricgroup_print_data data = { - .pmu_name = pmu_name, - .metriclist = metriclist, - .metricgroups = metricgroups, - .filter = filter, - .raw = raw, - .details = details, - .groups = &groups, - }; - pmu_events_table_for_each_event(table, - metricgroup__print_callback, - &data); + metricgroup__add_to_mep_groups_callback, + &groups); } { struct metricgroup_iter_data data = { - .fn = metricgroup__print_sys_event_iter, - .data = (void *) &(struct metricgroup_print_sys_idata){ - .metriclist = metriclist, - .metricgroups = metricgroups, - .filter = filter, - .raw = raw, - .details = details, - .groups = &groups, - }, + .fn = metricgroup__add_to_mep_groups_callback, + .data = &groups, }; - pmu_for_each_sys_event(metricgroup__sys_event_iter, &data); } - if (!filter || !rblist__empty(&groups)) { - if (metricgroups && !raw) - printf("\nMetric Groups:\n\n"); - else if (metrics && !raw) - printf("\nMetrics:\n\n"); - } - for (node = rb_first_cached(&groups.entries); node; node = next) { struct mep *me = container_of(node, struct mep, nd); - if (metricgroups) - printf("%s%s%s", me->name, metrics && !raw ? ":" : "", raw ? " " : "\n"); - if (metrics) - metricgroup__print_strlist(me->metrics, raw); + print_cb->print_metric(print_state, + me->metric_group, + me->metric_name, + me->metric_desc, + me->metric_long_desc, + me->metric_expr, + me->metric_unit); next = rb_next(node); rblist__remove_node(&groups, node); } - if (!metricgroups) - metricgroup__print_strlist(metriclist, raw); - strlist__delete(metriclist); } static const char *code_characters = ",-=@"; diff --git a/tools/perf/util/metricgroup.h b/tools/perf/util/metricgroup.h index 732d3a0d3334..0013cf582173 100644 --- a/tools/perf/util/metricgroup.h +++ b/tools/perf/util/metricgroup.h @@ -10,6 +10,7 @@ struct evlist; struct evsel; struct option; +struct print_callbacks; struct rblist; struct cgroup; @@ -78,8 +79,7 @@ int metricgroup__parse_groups_test(struct evlist *evlist, bool metric_no_merge, struct rblist *metric_events); -void metricgroup__print(bool metrics, bool groups, char *filter, - bool raw, bool details, const char *pmu_name); +void metricgroup__print(const struct print_callbacks *print_cb, void *print_state); bool metricgroup__has_metric(const char *metric); int arch_get_runtimeparam(const struct pmu_event *pe __maybe_unused); void metricgroup__rblist_exit(struct rblist *metric_events); diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 075c82dd1347..e9a4f31926bf 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -23,6 +23,7 @@ #include "evsel.h" #include "pmu.h" #include "parse-events.h" +#include "print-events.h" #include "header.h" #include "string2.h" #include "strbuf.h" @@ -1579,13 +1580,6 @@ static char *format_alias(char *buf, int len, const struct perf_pmu *pmu, return buf; } -static char *format_alias_or(char *buf, int len, const struct perf_pmu *pmu, - const struct perf_pmu_alias *alias) -{ - snprintf(buf, len, "%s OR %s/%s/", alias->name, pmu->name, alias->name); - return buf; -} - /** Struct for ordering events as output in perf list. */ struct sevent { /** PMU for event. */ @@ -1629,7 +1623,7 @@ static int cmp_sevent(const void *a, const void *b) /* Order CPU core events to be first */ if (as->is_cpu != bs->is_cpu) - return bs->is_cpu - as->is_cpu; + return as->is_cpu ? -1 : 1; /* Order by PMU name. */ a_pmu_name = as->pmu->name ?: ""; @@ -1642,27 +1636,6 @@ static int cmp_sevent(const void *a, const void *b) return strcmp(a_name, b_name); } -static void wordwrap(char *s, int start, int max, int corr) -{ - int column = start; - int n; - - while (*s) { - int wlen = strcspn(s, " \t"); - - if (column + wlen >= max && column > start) { - printf("\n%*s", start, ""); - column = start + corr; - } - n = printf("%s%.*s", column > start ? " " : "", wlen, s); - if (n <= 0) - break; - s += wlen; - column += n; - s = skip_spaces(s); - } -} - bool is_pmu_core(const char *name) { return !strcmp(name, "cpu") || is_arm_pmu_core(name); @@ -1685,24 +1658,19 @@ static bool pmu_alias_is_duplicate(struct sevent *alias_a, return strcmp(a_pmu_name, b_pmu_name) == 0; } -void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, - bool long_desc, bool details_flag, bool deprecated, - const char *pmu_name) +void print_pmu_events(const struct print_callbacks *print_cb, void *print_state) { struct perf_pmu *pmu; - struct perf_pmu_alias *alias; + struct perf_pmu_alias *event; char buf[1024]; int printed = 0; int len, j; struct sevent *aliases; - int numdesc = 0; - int columns = pager_get_columns(); - char *topic = NULL; pmu = NULL; len = 0; while ((pmu = perf_pmu__scan(pmu)) != NULL) { - list_for_each_entry(alias, &pmu->aliases, list) + list_for_each_entry(event, &pmu->aliases, list) len++; if (pmu->selectable) len++; @@ -1715,32 +1683,15 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, pmu = NULL; j = 0; while ((pmu = perf_pmu__scan(pmu)) != NULL) { - bool is_cpu; + bool is_cpu = is_pmu_core(pmu->name) || perf_pmu__is_hybrid(pmu->name); - if (pmu_name && pmu->name && strcmp(pmu_name, pmu->name)) - continue; - - is_cpu = is_pmu_core(pmu->name) || perf_pmu__is_hybrid(pmu->name); - - list_for_each_entry(alias, &pmu->aliases, list) { - if (alias->deprecated && !deprecated) - continue; - - if (event_glob != NULL && - !(strglobmatch_nocase(alias->name, event_glob) || - (!is_cpu && - strglobmatch_nocase(alias->name, event_glob)) || - (alias->topic && - strglobmatch_nocase(alias->topic, event_glob)))) - continue; - - aliases[j].event = alias; + list_for_each_entry(event, &pmu->aliases, list) { + aliases[j].event = event; aliases[j].pmu = pmu; aliases[j].is_cpu = is_cpu; j++; } - if (pmu->selectable && - (event_glob == NULL || strglobmatch(pmu->name, event_glob))) { + if (pmu->selectable) { aliases[j].event = NULL; aliases[j].pmu = pmu; aliases[j].is_cpu = is_cpu; @@ -1750,7 +1701,12 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, len = j; qsort(aliases, len, sizeof(struct sevent), cmp_sevent); for (j = 0; j < len; j++) { - char *name, *desc; + const char *name, *alias = NULL, *scale_unit = NULL, + *desc = NULL, *long_desc = NULL, + *encoding_desc = NULL, *topic = NULL, + *metric_name = NULL, *metric_expr = NULL; + bool deprecated = false; + size_t buf_used; /* Skip duplicates */ if (j > 0 && pmu_alias_is_duplicate(&aliases[j], &aliases[j - 1])) @@ -1758,48 +1714,51 @@ void print_pmu_events(const char *event_glob, bool name_only, bool quiet_flag, if (!aliases[j].event) { /* A selectable event. */ - snprintf(buf, sizeof(buf), "%s//", aliases[j].pmu->name); + buf_used = snprintf(buf, sizeof(buf), "%s//", aliases[j].pmu->name) + 1; name = buf; - } else if (aliases[j].event->desc) { - name = aliases[j].event->name; } else { - if (!name_only && aliases[j].is_cpu) { - name = format_alias_or(buf, sizeof(buf), aliases[j].pmu, - aliases[j].event); + if (aliases[j].event->desc) { + name = aliases[j].event->name; + buf_used = 0; } else { name = format_alias(buf, sizeof(buf), aliases[j].pmu, aliases[j].event); + if (aliases[j].is_cpu) { + alias = name; + name = aliases[j].event->name; + } + buf_used = strlen(buf) + 1; } - } - if (name_only) { - printf("%s ", name); - continue; - } - printed++; - if (!aliases[j].event || !aliases[j].event->desc || quiet_flag) { - printf(" %-50s [Kernel PMU event]\n", name); - continue; - } - if (numdesc++ == 0) - printf("\n"); - if (aliases[j].event->topic && (!topic || - strcmp(topic, aliases[j].event->topic))) { - printf("%s%s:\n", topic ? "\n" : "", aliases[j].event->topic); + if (strlen(aliases[j].event->unit) || aliases[j].event->scale != 1.0) { + scale_unit = buf + buf_used; + buf_used += snprintf(buf + buf_used, sizeof(buf) - buf_used, + "%G%s", aliases[j].event->scale, + aliases[j].event->unit) + 1; + } + desc = aliases[j].event->desc; + long_desc = aliases[j].event->long_desc; topic = aliases[j].event->topic; + encoding_desc = buf + buf_used; + buf_used += snprintf(buf + buf_used, sizeof(buf) - buf_used, + "%s/%s/", aliases[j].pmu->name, + aliases[j].event->str) + 1; + metric_name = aliases[j].event->metric_name; + metric_expr = aliases[j].event->metric_expr; + deprecated = aliases[j].event->deprecated; } - printf(" %-50s\n", name); - printf("%*s", 8, "["); - desc = long_desc ? aliases[j].event->long_desc : aliases[j].event->desc; - wordwrap(desc, 8, columns, 0); - printf("]\n"); - if (details_flag) { - printf("%*s%s/%s/ ", 8, "", aliases[j].pmu->name, aliases[j].event->str); - if (aliases[j].event->metric_name) - printf(" MetricName: %s", aliases[j].event->metric_name); - if (aliases[j].event->metric_expr) - printf(" MetricExpr: %s", aliases[j].event->metric_expr); - putchar('\n'); - } + print_cb->print_event(print_state, + aliases[j].pmu->name, + topic, + name, + alias, + scale_unit, + deprecated, + "Kernel PMU event", + desc, + long_desc, + encoding_desc, + metric_name, + metric_expr); } if (printed && pager_in_use()) printf("\n"); diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index ee02e1ef9187..69ca0004f94f 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -12,6 +12,7 @@ struct evsel_config_term; struct perf_cpu_map; +struct print_callbacks; enum { PERF_PMU_FORMAT_VALUE_CONFIG, @@ -225,9 +226,7 @@ void perf_pmu__del_formats(struct list_head *formats); struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu); bool is_pmu_core(const char *name); -void print_pmu_events(const char *event_glob, bool name_only, bool quiet, - bool long_desc, bool details_flag, - bool deprecated, const char *pmu_name); +void print_pmu_events(const struct print_callbacks *print_cb, void *print_state); bool pmu_have_event(const char *pname, const char *name); int perf_pmu__scan_file(struct perf_pmu *pmu, const char *name, const char *fmt, ...) __scanf(3, 4); diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c index d53dba033597..2646ae18d9f9 100644 --- a/tools/perf/util/print-events.c +++ b/tools/perf/util/print-events.c @@ -28,6 +28,7 @@ #define MAX_NAME_LEN 100 +/** Strings corresponding to enum perf_type_id. */ static const char * const event_type_descriptors[] = { "Hardware event", "Software event", @@ -55,11 +56,9 @@ static const struct event_symbol event_symbols_tool[PERF_TOOL_MAX] = { /* * Print the events from <debugfs_mount_point>/tracing/events */ -void print_tracepoint_events(const char *subsys_glob, - const char *event_glob, bool name_only) +void print_tracepoint_events(const struct print_callbacks *print_cb, void *print_state) { struct dirent **sys_namelist = NULL; - bool printed = false; int sys_items = tracing_events__scandir_alphasort(&sys_namelist); for (int i = 0; i < sys_items; i++) { @@ -73,10 +72,6 @@ void print_tracepoint_events(const char *subsys_glob, !strcmp(sys_dirent->d_name, "..")) continue; - if (subsys_glob != NULL && - !strglobmatch(sys_dirent->d_name, subsys_glob)) - continue; - dir_path = get_events_file(sys_dirent->d_name); if (!dir_path) continue; @@ -94,41 +89,41 @@ void print_tracepoint_events(const char *subsys_glob, if (tp_event_has_id(dir_path, evt_dirent) != 0) continue; - if (event_glob != NULL && - !strglobmatch(evt_dirent->d_name, event_glob)) - continue; - snprintf(evt_path, MAXPATHLEN, "%s:%s", sys_dirent->d_name, evt_dirent->d_name); - if (name_only) - printf("%s ", evt_path); - else { - printf(" %-50s [%s]\n", evt_path, - event_type_descriptors[PERF_TYPE_TRACEPOINT]); - } - printed = true; + print_cb->print_event(print_state, + /*topic=*/NULL, + /*pmu_name=*/NULL, + evt_path, + /*event_alias=*/NULL, + /*scale_unit=*/NULL, + /*deprecated=*/false, + "Tracepoint event", + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); } free(dir_path); free(evt_namelist); } free(sys_namelist); - if (printed && pager_in_use()) - printf("\n"); } -void print_sdt_events(const char *subsys_glob, const char *event_glob, - bool name_only) +void print_sdt_events(const struct print_callbacks *print_cb, void *print_state) { - struct probe_cache *pcache; - struct probe_cache_entry *ent; struct strlist *bidlist, *sdtlist; - struct strlist_config cfg = {.dont_dupstr = true}; - struct str_node *nd, *nd2; - char *buf, *path, *ptr = NULL; - bool show_detail = false; - int ret; - - sdtlist = strlist__new(NULL, &cfg); + struct str_node *bid_nd, *sdt_name, *next_sdt_name; + const char *last_sdt_name = NULL; + + /* + * The implicitly sorted sdtlist will hold the tracepoint name followed + * by @<buildid>. If the tracepoint name is unique (determined by + * looking at the adjacent nodes) the @<buildid> is dropped otherwise + * the executable path and buildid are added to the name. + */ + sdtlist = strlist__new(NULL, NULL); if (!sdtlist) { pr_debug("Failed to allocate new strlist for SDT\n"); return; @@ -138,65 +133,78 @@ void print_sdt_events(const char *subsys_glob, const char *event_glob, pr_debug("Failed to get buildids: %d\n", errno); return; } - strlist__for_each_entry(nd, bidlist) { - pcache = probe_cache__new(nd->s, NULL); + strlist__for_each_entry(bid_nd, bidlist) { + struct probe_cache *pcache; + struct probe_cache_entry *ent; + + pcache = probe_cache__new(bid_nd->s, NULL); if (!pcache) continue; list_for_each_entry(ent, &pcache->entries, node) { - if (!ent->sdt) - continue; - if (subsys_glob && - !strglobmatch(ent->pev.group, subsys_glob)) - continue; - if (event_glob && - !strglobmatch(ent->pev.event, event_glob)) - continue; - ret = asprintf(&buf, "%s:%s@%s", ent->pev.group, - ent->pev.event, nd->s); - if (ret > 0) - strlist__add(sdtlist, buf); + char buf[1024]; + + snprintf(buf, sizeof(buf), "%s:%s@%s", + ent->pev.group, ent->pev.event, bid_nd->s); + strlist__add(sdtlist, buf); } probe_cache__delete(pcache); } strlist__delete(bidlist); - strlist__for_each_entry(nd, sdtlist) { - buf = strchr(nd->s, '@'); - if (buf) - *(buf++) = '\0'; - if (name_only) { - printf("%s ", nd->s); - continue; - } - nd2 = strlist__next(nd); - if (nd2) { - ptr = strchr(nd2->s, '@'); - if (ptr) - *ptr = '\0'; - if (strcmp(nd->s, nd2->s) == 0) - show_detail = true; + strlist__for_each_entry(sdt_name, sdtlist) { + bool show_detail = false; + char *bid = strchr(sdt_name->s, '@'); + char *evt_name = NULL; + + if (bid) + *(bid++) = '\0'; + + if (last_sdt_name && !strcmp(last_sdt_name, sdt_name->s)) { + show_detail = true; + } else { + next_sdt_name = strlist__next(sdt_name); + if (next_sdt_name) { + char *bid2 = strchr(next_sdt_name->s, '@'); + + if (bid2) + *bid2 = '\0'; + if (strcmp(sdt_name->s, next_sdt_name->s) == 0) + show_detail = true; + if (bid2) + *bid2 = '@'; + } } + last_sdt_name = sdt_name->s; + if (show_detail) { - path = build_id_cache__origname(buf); - ret = asprintf(&buf, "%s@%s(%.12s)", nd->s, path, buf); - if (ret > 0) { - printf(" %-50s [%s]\n", buf, "SDT event"); - free(buf); + char *path = build_id_cache__origname(bid); + + if (path) { + if (asprintf(&evt_name, "%s@%s(%.12s)", sdt_name->s, path, bid) < 0) + evt_name = NULL; + free(path); } - free(path); - } else - printf(" %-50s [%s]\n", nd->s, "SDT event"); - if (nd2) { - if (strcmp(nd->s, nd2->s) != 0) - show_detail = false; - if (ptr) - *ptr = '@'; } + print_cb->print_event(print_state, + /*topic=*/NULL, + /*pmu_name=*/NULL, + evt_name ?: sdt_name->s, + /*event_alias=*/NULL, + /*deprecated=*/false, + /*scale_unit=*/NULL, + "SDT event", + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); + + free(evt_name); } strlist__delete(sdtlist); } -int print_hwcache_events(const char *event_glob, bool name_only) +int print_hwcache_events(const struct print_callbacks *print_cb, void *print_state) { struct strlist *evt_name_list = strlist__new(NULL, NULL); struct str_node *nd; @@ -216,9 +224,6 @@ int print_hwcache_events(const char *event_glob, bool name_only) char name[64]; __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name)); - if (event_glob != NULL && !strglobmatch(name, event_glob)) - continue; - if (!perf_pmu__has_hybrid()) { if (is_event_supported(PERF_TYPE_HW_CACHE, type | (op << 8) | (i << 16))) @@ -240,55 +245,47 @@ int print_hwcache_events(const char *event_glob, bool name_only) } strlist__for_each_entry(nd, evt_name_list) { - if (name_only) { - printf("%s ", nd->s); - continue; - } - printf(" %-50s [%s]\n", nd->s, event_type_descriptors[PERF_TYPE_HW_CACHE]); + print_cb->print_event(print_state, + "cache", + /*pmu_name=*/NULL, + nd->s, + /*event_alias=*/NULL, + /*scale_unit=*/NULL, + /*deprecated=*/false, + event_type_descriptors[PERF_TYPE_HW_CACHE], + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); } - if (!strlist__empty(evt_name_list) && pager_in_use()) - printf("\n"); - strlist__delete(evt_name_list); return 0; } -static void print_tool_event(const struct event_symbol *syms, const char *event_glob, - bool name_only) -{ - if (syms->symbol == NULL) - return; - - if (event_glob && !(strglobmatch(syms->symbol, event_glob) || - (syms->alias && strglobmatch(syms->alias, event_glob)))) - return; - - if (name_only) - printf("%s ", syms->symbol); - else { - char name[MAX_NAME_LEN]; - - if (syms->alias && strlen(syms->alias)) - snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias); - else - strlcpy(name, syms->symbol, MAX_NAME_LEN); - printf(" %-50s [%s]\n", name, "Tool event"); - } -} - -void print_tool_events(const char *event_glob, bool name_only) +void print_tool_events(const struct print_callbacks *print_cb, void *print_state) { // Start at 1 because the first enum entry means no tool event. - for (int i = 1; i < PERF_TOOL_MAX; ++i) - print_tool_event(event_symbols_tool + i, event_glob, name_only); - - if (pager_in_use()) - printf("\n"); + for (int i = 1; i < PERF_TOOL_MAX; ++i) { + print_cb->print_event(print_state, + "tool", + /*pmu_name=*/NULL, + event_symbols_tool[i].symbol, + event_symbols_tool[i].alias, + /*scale_unit=*/NULL, + /*deprecated=*/false, + "Tool event", + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); + } } -void print_symbol_events(const char *event_glob, unsigned int type, - struct event_symbol *syms, unsigned int max, - bool name_only) +void print_symbol_events(const struct print_callbacks *print_cb, void *print_state, + unsigned int type, const struct event_symbol *syms, + unsigned int max) { struct strlist *evt_name_list = strlist__new(NULL, NULL); struct str_node *nd; @@ -305,10 +302,6 @@ void print_symbol_events(const char *event_glob, unsigned int type, if (syms[i].symbol == NULL) continue; - if (event_glob != NULL && !(strglobmatch(syms[i].symbol, event_glob) || - (syms[i].alias && strglobmatch(syms[i].alias, event_glob)))) - continue; - if (!is_event_supported(type, i)) continue; @@ -322,63 +315,92 @@ void print_symbol_events(const char *event_glob, unsigned int type, } strlist__for_each_entry(nd, evt_name_list) { - if (name_only) { - printf("%s ", nd->s); - continue; + char *alias = strstr(nd->s, " OR "); + + if (alias) { + *alias = '\0'; + alias += 4; } - printf(" %-50s [%s]\n", nd->s, event_type_descriptors[type]); + print_cb->print_event(print_state, + /*topic=*/NULL, + /*pmu_name=*/NULL, + nd->s, + alias, + /*scale_unit=*/NULL, + /*deprecated=*/false, + event_type_descriptors[type], + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); } - if (!strlist__empty(evt_name_list) && pager_in_use()) - printf("\n"); - strlist__delete(evt_name_list); } /* * Print the help text for the event symbols: */ -void print_events(const char *event_glob, bool name_only, bool quiet_flag, - bool long_desc, bool details_flag, bool deprecated, - const char *pmu_name) +void print_events(const struct print_callbacks *print_cb, void *print_state) { - 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_tool_events(event_glob, name_only); - - print_hwcache_events(event_glob, name_only); - - print_pmu_events(event_glob, name_only, quiet_flag, long_desc, - details_flag, deprecated, pmu_name); - - 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]); - if (pager_in_use()) - printf(" (see 'man perf-list' on how to encode it)\n\n"); - - printf(" %-50s [%s]\n", - "mem:<addr>[/len][:access]", - event_type_descriptors[PERF_TYPE_BREAKPOINT]); - if (pager_in_use()) - printf("\n"); - } - - print_tracepoint_events(NULL, NULL, name_only); - - print_sdt_events(NULL, NULL, name_only); - - metricgroup__print(true, true, NULL, name_only, details_flag, - pmu_name); - - print_libpfm_events(name_only, long_desc); + print_symbol_events(print_cb, print_state, PERF_TYPE_HARDWARE, + event_symbols_hw, PERF_COUNT_HW_MAX); + print_symbol_events(print_cb, print_state, PERF_TYPE_SOFTWARE, + event_symbols_sw, PERF_COUNT_SW_MAX); + + print_tool_events(print_cb, print_state); + + print_hwcache_events(print_cb, print_state); + + print_pmu_events(print_cb, print_state); + + print_cb->print_event(print_state, + /*topic=*/NULL, + /*pmu_name=*/NULL, + "rNNN", + /*event_alias=*/NULL, + /*scale_unit=*/NULL, + /*deprecated=*/false, + event_type_descriptors[PERF_TYPE_RAW], + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); + + print_cb->print_event(print_state, + /*topic=*/NULL, + /*pmu_name=*/NULL, + "cpu/t1=v1[,t2=v2,t3 ...]/modifier", + /*event_alias=*/NULL, + /*scale_unit=*/NULL, + /*deprecated=*/false, + event_type_descriptors[PERF_TYPE_RAW], + "(see 'man perf-list' on how to encode it)", + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); + + print_cb->print_event(print_state, + /*topic=*/NULL, + /*pmu_name=*/NULL, + "mem:<addr>[/len][:access]", + /*scale_unit=*/NULL, + /*event_alias=*/NULL, + /*deprecated=*/false, + event_type_descriptors[PERF_TYPE_BREAKPOINT], + /*desc=*/NULL, + /*long_desc=*/NULL, + /*encoding_desc=*/NULL, + /*metric_name=*/NULL, + /*metric_expr=*/NULL); + + print_tracepoint_events(print_cb, print_state); + + print_sdt_events(print_cb, print_state); + + metricgroup__print(print_cb, print_state); + + print_libpfm_events(print_cb, print_state); } diff --git a/tools/perf/util/print-events.h b/tools/perf/util/print-events.h index 1da9910d83a6..c237e53c4487 100644 --- a/tools/perf/util/print-events.h +++ b/tools/perf/util/print-events.h @@ -2,21 +2,39 @@ #ifndef __PERF_PRINT_EVENTS_H #define __PERF_PRINT_EVENTS_H +#include <linux/perf_event.h> #include <stdbool.h> struct event_symbol; -void print_events(const char *event_glob, bool name_only, bool quiet_flag, - bool long_desc, bool details_flag, bool deprecated, - const char *pmu_name); -int print_hwcache_events(const char *event_glob, bool name_only); -void print_sdt_events(const char *subsys_glob, const char *event_glob, - bool name_only); -void print_symbol_events(const char *event_glob, unsigned int type, - struct event_symbol *syms, unsigned int max, - bool name_only); -void print_tool_events(const char *event_glob, bool name_only); -void print_tracepoint_events(const char *subsys_glob, const char *event_glob, - bool name_only); +struct print_callbacks { + void (*print_start)(void *print_state); + void (*print_end)(void *print_state); + void (*print_event)(void *print_state, const char *topic, + const char *pmu_name, + const char *event_name, const char *event_alias, + const char *scale_unit, + bool deprecated, const char *event_type_desc, + const char *desc, const char *long_desc, + const char *encoding_desc, + const char *metric_name, const char *metric_expr); + void (*print_metric)(void *print_state, + const char *group, + const char *name, + const char *desc, + const char *long_desc, + const char *expr, + const char *unit); +}; + +/** Print all events, the default when no options are specified. */ +void print_events(const struct print_callbacks *print_cb, void *print_state); +int print_hwcache_events(const struct print_callbacks *print_cb, void *print_state); +void print_sdt_events(const struct print_callbacks *print_cb, void *print_state); +void print_symbol_events(const struct print_callbacks *print_cb, void *print_state, + unsigned int type, const struct event_symbol *syms, + unsigned int max); +void print_tool_events(const struct print_callbacks *print_cb, void *print_state); +void print_tracepoint_events(const struct print_callbacks *print_cb, void *print_state); #endif /* __PERF_PRINT_EVENTS_H */ |