[PATCH v2 12/13] perf parse-events: Improve location for add pmu

From: Ian Rogers
Date: Tue Jun 27 2023 - 14:11:58 EST


Improve the location for add PMU for cases when PMUs aren't found.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/parse-events.c | 12 +++++++-----
tools/perf/util/parse-events.h | 4 ++--
tools/perf/util/parse-events.y | 8 ++++----
3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index fdd304fbed7c..58fcfff99ec4 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1567,13 +1567,14 @@ static bool config_term_percore(struct list_head *config_terms)
int parse_events_add_pmu(struct parse_events_state *parse_state,
struct list_head *list, char *name,
struct list_head *head_config,
- bool auto_merge_stats)
+ bool auto_merge_stats, void *loc_)
{
struct perf_event_attr attr;
struct perf_pmu_info info;
struct perf_pmu *pmu;
struct evsel *evsel;
struct parse_events_error *err = parse_state->error;
+ YYLTYPE *loc = loc_;
LIST_HEAD(config_terms);

pmu = parse_state->fake_pmu ?: perf_pmus__find(name);
@@ -1597,7 +1598,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
if (asprintf(&err_str,
"Cannot find PMU `%s'. Missing kernel support?",
name) >= 0)
- parse_events_error__handle(err, 0, err_str, NULL);
+ parse_events_error__handle(err, loc->first_column, err_str, NULL);
return -EINVAL;
}
if (head_config)
@@ -1683,12 +1684,13 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,

int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
char *str, struct list_head *head,
- struct list_head **listp)
+ struct list_head **listp, void *loc_)
{
struct parse_events_term *term;
struct list_head *list = NULL;
struct list_head *orig_head = NULL;
struct perf_pmu *pmu = NULL;
+ YYLTYPE *loc = loc_;
int ok = 0;
char *config;

@@ -1735,7 +1737,7 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
parse_events_copy_term_list(head, &orig_head);
if (!parse_events_add_pmu(parse_state, list,
pmu->name, orig_head,
- auto_merge_stats)) {
+ auto_merge_stats, loc)) {
pr_debug("%s -> %s/%s/\n", str,
pmu->name, alias->str);
parse_state->wild_card_pmus = true;
@@ -1748,7 +1750,7 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,

if (parse_state->fake_pmu) {
if (!parse_events_add_pmu(parse_state, list, str, head,
- /*auto_merge_stats=*/true)) {
+ /*auto_merge_stats=*/true, loc)) {
pr_debug("%s -> %s/%s/\n", str, "fake_pmu", str);
ok++;
}
diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h
index cabbe70adb82..e59b33805886 100644
--- a/tools/perf/util/parse-events.h
+++ b/tools/perf/util/parse-events.h
@@ -202,7 +202,7 @@ int parse_events_add_breakpoint(struct parse_events_state *parse_state,
int parse_events_add_pmu(struct parse_events_state *parse_state,
struct list_head *list, char *name,
struct list_head *head_config,
- bool auto_merge_stats);
+ bool auto_merge_stats, void *loc);

struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr,
const char *name, const char *metric_id,
@@ -211,7 +211,7 @@ struct evsel *parse_events__add_event(int idx, struct perf_event_attr *attr,
int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
char *str,
struct list_head *head_config,
- struct list_head **listp);
+ struct list_head **listp, void *loc);

int parse_events_copy_term_list(struct list_head *old,
struct list_head **new);
diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y
index 50f5b819de37..844646752462 100644
--- a/tools/perf/util/parse-events.y
+++ b/tools/perf/util/parse-events.y
@@ -313,7 +313,7 @@ PE_NAME opt_pmu_config
YYNOMEM;
}
/* Attempt to add to list assuming $1 is a PMU name. */
- if (parse_events_add_pmu(parse_state, list, $1, $2, /*auto_merge_stats=*/false)) {
+ if (parse_events_add_pmu(parse_state, list, $1, $2, /*auto_merge_stats=*/false, &@1)) {
struct perf_pmu *pmu = NULL;
int ok = 0;

@@ -341,7 +341,7 @@ PE_NAME opt_pmu_config
YYNOMEM;
}
if (!parse_events_add_pmu(parse_state, list, pmu->name, terms,
- auto_merge_stats)) {
+ auto_merge_stats, &@1)) {
ok++;
parse_state->wild_card_pmus = true;
}
@@ -352,7 +352,7 @@ PE_NAME opt_pmu_config
if (!ok) {
/* Failure to add, assume $1 is an event name. */
zfree(&list);
- ok = !parse_events_multi_pmu_add(parse_state, $1, $2, &list);
+ ok = !parse_events_multi_pmu_add(parse_state, $1, $2, &list, &@1);
$2 = NULL;
}
if (!ok) {
@@ -379,7 +379,7 @@ PE_NAME sep_dc
struct list_head *list;
int err;

- err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list);
+ err = parse_events_multi_pmu_add(_parse_state, $1, NULL, &list, &@1);
if (err < 0) {
struct parse_events_state *parse_state = _parse_state;
struct parse_events_error *error = parse_state->error;
--
2.41.0.162.gfafddb0af9-goog