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Code Issues Releases Wiki Activity

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 <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Link: https //lore.kernel.org/r/20210909125508.28693-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2021-09-09 15:55:07 +03:00 committed by Arnaldo Carvalho de Melo
parent eb34363ae1
commit a7d212fc6c
3 changed files with 19 additions and 13 deletions
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20
tools/perf/util/evsel.c
View File

@ -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));

3
tools/perf/util/evsel.h
View File

@ -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 <linux/err.h> interface.
*/

9
tools/perf/util/parse-events.c
View File

@ -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;
}