[PATCH v1 06/51] perf pmu-events: Change perpkg to be a bool

From: Ian Rogers
Date: Sun Feb 19 2023 - 04:30:31 EST


Switch to a more natural bool rather than string encoding, where NULL
implicitly meant false. The only value of 'PerPkg' in the event json
is '1'.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/pmu-events/jevents.py | 2 +-
tools/perf/pmu-events/pmu-events.h | 2 +-
tools/perf/tests/pmu-events.c | 4 ++--
tools/perf/util/pmu.c | 11 ++++-------
4 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 35ca34eca74a..2da55408398f 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', 'deprecated']
+ enum_attributes = ['aggr_mode', 'deprecated', 'perpkg']
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 2434bc7cf92d..4d236bb32fd3 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -23,7 +23,7 @@ struct pmu_event {
const char *long_desc;
const char *pmu;
const char *unit;
- const char *perpkg;
+ bool perpkg;
bool deprecated;
};

diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 937804c84e29..521557c396bc 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -325,8 +325,8 @@ static int compare_pmu_events(const struct pmu_event *e1, const struct pmu_event
return -1;
}

- if (!is_same(e1->perpkg, e2->perpkg)) {
- pr_debug2("testing event e1 %s: mismatched perpkg, %s vs %s\n",
+ if (e1->perpkg != e2->perpkg) {
+ pr_debug2("testing event e1 %s: mismatched perpkg, %d vs %d\n",
e1->name, e1->perpkg, e2->perpkg);
return -1;
}
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 80644e25a568..43b6182d96b7 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -328,17 +328,15 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
struct parse_events_term *term;
struct perf_pmu_alias *alias;
int ret;
- int num;
char newval[256];
- char *long_desc = NULL, *topic = NULL, *unit = NULL, *perpkg = NULL,
- *pmu_name = NULL;
- bool deprecated = false;
+ char *long_desc = NULL, *topic = NULL, *unit = NULL, *pmu_name = NULL;
+ bool deprecated = false, perpkg = false;

if (pe) {
long_desc = (char *)pe->long_desc;
topic = (char *)pe->topic;
unit = (char *)pe->unit;
- perpkg = (char *)pe->perpkg;
+ perpkg = pe->perpkg;
deprecated = pe->deprecated;
pmu_name = (char *)pe->pmu;
}
@@ -350,7 +348,7 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
INIT_LIST_HEAD(&alias->terms);
alias->scale = 1.0;
alias->unit[0] = '\0';
- alias->per_pkg = false;
+ alias->per_pkg = perpkg;
alias->snapshot = false;
alias->deprecated = deprecated;

@@ -402,7 +400,6 @@ static int __perf_pmu__new_alias(struct list_head *list, char *dir, char *name,
return -1;
snprintf(alias->unit, sizeof(alias->unit), "%s", unit);
}
- alias->per_pkg = perpkg && sscanf(perpkg, "%d", &num) == 1 && num == 1;
alias->str = strdup(newval);
alias->pmu_name = pmu_name ? strdup(pmu_name) : NULL;

--
2.39.2.637.g21b0678d19-goog