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perf pmu: Make pmu_sys_event_tables const.

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Make lookup nature of data structures clearer through their type.

Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Antonov <alexander.antonov@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andrew Kilroy <andrew.kilroy@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Denys Zagorui <dzagorui@cisco.com>
Cc: Fabian Hemmer <copy@copy.sh>
Cc: Felix Fietkau <nbd@nbd.name>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kees Kook <keescook@chromium.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nicholas Fraser <nfraser@codeweavers.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Sami Tolvanen <samitolvanen@google.com>
Cc: ShihCheng Tu <mrtoastcheng@gmail.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Wan Jiabing <wanjiabing@vivo.com>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Link: https://lore.kernel.org/r/20211015172132.1162559-4-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2021-10-15 10:21:14 -07:00 committed by Arnaldo Carvalho de Melo
parent 0ec43c0837
commit 857974a642
4 changed files with 4 additions and 4 deletions
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2
tools/perf/pmu-events/jevents.c
View File

@ -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)

2
tools/perf/pmu-events/pmu-events.h
View File

@ -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

2
tools/perf/tests/pmu-events.c
View File

@ -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))

2
tools/perf/util/pmu.c
View File

@ -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++];