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perf lock contention: Factor out lock_type_table

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Move it out of get_type_str() so that we can reuse the table for others
later.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Blake Jones <blakejones@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20221219201732.460111-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2022-12-19 12:17:27 -08:00 committed by Arnaldo Carvalho de Melo
parent 8b269b7555
commit 59119c09ae
1 changed files with 24 additions and 24 deletions
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48
tools/perf/builtin-lock.c
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@ -1437,30 +1437,30 @@ static void sort_result(void)
}
}
static const char *get_type_str(struct lock_stat *st)
{
static const struct {
unsigned int flags;
const char *name;
} table[] = {
{ 0, "semaphore" },
{ LCB_F_SPIN, "spinlock" },
{ LCB_F_SPIN | LCB_F_READ, "rwlock:R" },
{ LCB_F_SPIN | LCB_F_WRITE, "rwlock:W"},
{ LCB_F_READ, "rwsem:R" },
{ LCB_F_WRITE, "rwsem:W" },
{ LCB_F_RT, "rtmutex" },
{ LCB_F_RT | LCB_F_READ, "rwlock-rt:R" },
{ LCB_F_RT | LCB_F_WRITE, "rwlock-rt:W"},
{ LCB_F_PERCPU | LCB_F_READ, "pcpu-sem:R" },
{ LCB_F_PERCPU | LCB_F_WRITE, "pcpu-sem:W" },
{ LCB_F_MUTEX, "mutex" },
{ LCB_F_MUTEX | LCB_F_SPIN, "mutex" },
};
static const struct {
unsigned int flags;
const char *name;
} lock_type_table[] = {
{ 0, "semaphore" },
{ LCB_F_SPIN, "spinlock" },
{ LCB_F_SPIN | LCB_F_READ, "rwlock:R" },
{ LCB_F_SPIN | LCB_F_WRITE, "rwlock:W"},
{ LCB_F_READ, "rwsem:R" },
{ LCB_F_WRITE, "rwsem:W" },
{ LCB_F_RT, "rtmutex" },
{ LCB_F_RT | LCB_F_READ, "rwlock-rt:R" },
{ LCB_F_RT | LCB_F_WRITE, "rwlock-rt:W"},
{ LCB_F_PERCPU | LCB_F_READ, "pcpu-sem:R" },
{ LCB_F_PERCPU | LCB_F_WRITE, "pcpu-sem:W" },
{ LCB_F_MUTEX, "mutex" },
{ LCB_F_MUTEX | LCB_F_SPIN, "mutex" },
};
for (unsigned int i = 0; i < ARRAY_SIZE(table); i++) {
if (table[i].flags == st->flags)
return table[i].name;
static const char *get_type_str(unsigned int flags)
{
for (unsigned int i = 0; i < ARRAY_SIZE(lock_type_table); i++) {
if (lock_type_table[i].flags == flags)
return lock_type_table[i].name;
}
return "unknown";
}
@ -1514,7 +1514,7 @@ static void print_contention_result(struct lock_contention *con)
switch (aggr_mode) {
case LOCK_AGGR_CALLER:
pr_info(" %10s %s\n", get_type_str(st), st->name);
pr_info(" %10s %s\n", get_type_str(st->flags), st->name);
break;
case LOCK_AGGR_TASK:
pid = st->addr;