[PATCH v1 05/51] perf pmu-events: Change deprecated to be a bool

From: Ian Rogers
Date: Sun Feb 19 2023 - 04:30:07 EST


Switch to a more natural bool rather than string encoding, where NULL
implicitly meant false.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/pmu-events/jevents.py | 2 +-
tools/perf/pmu-events/pmu-events.h | 4 +++-
tools/perf/tests/pmu-events.c | 4 ++--
tools/perf/util/pmu.c | 10 ++++------
4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 2b08d7c18f4b..35ca34eca74a 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -678,7 +678,7 @@ static void decompress_event(int offset, struct pmu_event *pe)
{
\tconst char *p = &big_c_string[offset];
""")
- enum_attributes = ['aggr_mode']
+ enum_attributes = ['aggr_mode', 'deprecated']
for attr in _json_event_attributes:
_args.output_file.write(f'\n\tpe->{attr} = ')
if attr in enum_attributes:
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
index 7225efc4e4df..2434bc7cf92d 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -2,6 +2,8 @@
#ifndef PMU_EVENTS_H
#define PMU_EVENTS_H

+#include <stdbool.h>
+
struct perf_pmu;

enum aggr_mode_class {
@@ -22,7 +24,7 @@ struct pmu_event {
const char *pmu;
const char *unit;
const char *perpkg;
- const char *deprecated;
+ bool deprecated;
};

struct pmu_metric {
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 9b4c94ba5460..937804c84e29 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -331,8 +331,8 @@ static int compare_pmu_events(const struct pmu_event *e1, const struct pmu_event
return -1;
}

- if (!is_same(e1->deprecated, e2->deprecated)) {
- pr_debug2("testing event e1 %s: mismatched deprecated, %s vs %s\n",
+ if (e1->deprecated != e2->deprecated) {
+ pr_debug2("testing event e1 %s: mismatched deprecated, %d vs %d\n",
e1->name, e1->deprecated, e2->deprecated);
return -1;
}
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index c256b29defad..80644e25a568 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -331,14 +331,15 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
int num;
char newval[256];
char *long_desc = NULL, *topic = NULL, *unit = NULL, *perpkg = NULL,
- *deprecated = NULL, *pmu_name = NULL;
+ *pmu_name = NULL;
+ bool deprecated = false;

if (pe) {
long_desc = (char *)pe->long_desc;
topic = (char *)pe->topic;
unit = (char *)pe->unit;
perpkg = (char *)pe->perpkg;
- deprecated = (char *)pe->deprecated;
+ deprecated = pe->deprecated;
pmu_name = (char *)pe->pmu;
}

@@ -351,7 +352,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
alias->unit[0] = '\0';
alias->per_pkg = false;
alias->snapshot = false;
- alias->deprecated = false;
+ alias->deprecated = deprecated;

ret = parse_events_terms(&alias->terms, val);
if (ret) {
@@ -405,9 +406,6 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
alias->str = strdup(newval);
alias->pmu_name = pmu_name ? strdup(pmu_name) : NULL;

- if (deprecated)
- alias->deprecated = true;
-
if (!perf_pmu_merge_alias(alias, list))
list_add_tail(&alias->list, list);

--
2.39.2.637.g21b0678d19-goog