From a7d212fc6c89d1619b9441f4c801cbff8ca34197 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Thu, 9 Sep 2021 15:55:07 +0300 Subject: [PATCH] perf tools: Factor out copy_config_terms() and free_config_terms() Factor out copy_config_terms() and free_config_terms() so that they can be reused. Signed-off-by: Adrian Hunter Acked-by: Jiri Olsa Cc: Jin Yao Cc: Kan Liang Link: https //lore.kernel.org/r/20210909125508.28693-2-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evsel.c | 20 +++++++++++++++----- tools/perf/util/evsel.h | 3 +++ tools/perf/util/parse-events.c | 9 +-------- 3 files changed, 19 insertions(+), 13 deletions(-) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 54d2513..dbfeceb 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -333,11 +333,11 @@ error_free: goto out; } -static int evsel__copy_config_terms(struct evsel *dst, struct evsel *src) +int copy_config_terms(struct list_head *dst, struct list_head *src) { struct evsel_config_term *pos, *tmp; - list_for_each_entry(pos, &src->config_terms, list) { + list_for_each_entry(pos, src, list) { tmp = malloc(sizeof(*tmp)); if (tmp == NULL) return -ENOMEM; @@ -350,11 +350,16 @@ static int evsel__copy_config_terms(struct evsel *dst, struct evsel *src) return -ENOMEM; } } - list_add_tail(&tmp->list, &dst->config_terms); + list_add_tail(&tmp->list, dst); } return 0; } +static int evsel__copy_config_terms(struct evsel *dst, struct evsel *src) +{ + return copy_config_terms(&dst->config_terms, &src->config_terms); +} + /** * evsel__clone - create a new evsel copied from @orig * @orig: original evsel @@ -1385,11 +1390,11 @@ int evsel__disable(struct evsel *evsel) return err; } -static void evsel__free_config_terms(struct evsel *evsel) +void free_config_terms(struct list_head *config_terms) { struct evsel_config_term *term, *h; - list_for_each_entry_safe(term, h, &evsel->config_terms, list) { + list_for_each_entry_safe(term, h, config_terms, list) { list_del_init(&term->list); if (term->free_str) zfree(&term->val.str); @@ -1397,6 +1402,11 @@ static void evsel__free_config_terms(struct evsel *evsel) } } +static void evsel__free_config_terms(struct evsel *evsel) +{ + free_config_terms(&evsel->config_terms); +} + void evsel__exit(struct evsel *evsel) { assert(list_empty(&evsel->core.node)); diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 1b3eeab5..1f7edfa 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -213,6 +213,9 @@ static inline struct evsel *evsel__new(struct perf_event_attr *attr) struct evsel *evsel__clone(struct evsel *orig); struct evsel *evsel__newtp_idx(const char *sys, const char *name, int idx); +int copy_config_terms(struct list_head *dst, struct list_head *src); +void free_config_terms(struct list_head *config_terms); + /* * Returns pointer with encoded error via interface. */ diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index e5eae23..ded5808 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -1608,14 +1608,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state, } if (!parse_state->fake_pmu && perf_pmu__config(pmu, &attr, head_config, parse_state->error)) { - struct evsel_config_term *pos, *tmp; - - list_for_each_entry_safe(pos, tmp, &config_terms, list) { - list_del_init(&pos->list); - if (pos->free_str) - zfree(&pos->val.str); - free(pos); - } + free_config_terms(&config_terms); return -EINVAL; } -- 2.7.4