lkml.org 
[lkml]   [2021]   [Oct]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
Subject[PATCH v2 03/21] perf pmu: Make pmu_sys_event_tables const.
From
Make lookup nature of data structures clearer through their type.

Acked-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/pmu-events/jevents.c | 2 +-
tools/perf/pmu-events/pmu-events.h | 2 +-
tools/perf/tests/pmu-events.c | 2 +-
tools/perf/util/pmu.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index 5624a37d6f93..a31de0f77097 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -832,7 +832,7 @@ static void print_mapping_test_table(FILE *outfp)

static void print_system_event_mapping_table_prefix(FILE *outfp)
{
- fprintf(outfp, "\nstruct pmu_sys_events pmu_sys_event_tables[] = {");
+ fprintf(outfp, "\nconst struct pmu_sys_events pmu_sys_event_tables[] = {");
}

static void print_system_event_mapping_table_suffix(FILE *outfp)
diff --git a/tools/perf/pmu-events/pmu-events.h b/tools/perf/pmu-events/pmu-events.h
index 42c6db6bedec..f6c9c9fc4ab2 100644
--- a/tools/perf/pmu-events/pmu-events.h
+++ b/tools/perf/pmu-events/pmu-events.h
@@ -54,6 +54,6 @@ struct pmu_sys_events {
* table of PMU events.
*/
extern const struct pmu_events_map pmu_events_map[];
-extern struct pmu_sys_events pmu_sys_event_tables[];
+extern const struct pmu_sys_events pmu_sys_event_tables[];

#endif
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 8a1fdcd072f5..c0f8b61871c8 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -258,7 +258,7 @@ static const struct pmu_events_map *__test_pmu_get_events_map(void)

static struct pmu_event *__test_pmu_get_sys_events_table(void)
{
- struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
+ const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];

for ( ; tables->name; tables++) {
if (!strcmp("pme_test_soc_sys", tables->name))
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 4bcdc595ce5e..c04a89cc7cef 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -873,7 +873,7 @@ void pmu_for_each_sys_event(pmu_sys_event_iter_fn fn, void *data)
int i = 0;

while (1) {
- struct pmu_sys_events *event_table;
+ const struct pmu_sys_events *event_table;
int j = 0;

event_table = &pmu_sys_event_tables[i++];
--
2.33.0.1079.g6e70778dc9-goog
\
 
 \ /
  Last update: 2021-10-15 19:25    [W:0.186 / U:0.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site