aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/lockdep_proc.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/lockdep_proc.c')
-rw-r--r--kernel/lockdep_proc.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index 20dbcbf9c7dd..13716b813896 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -470,11 +470,12 @@ static void seq_line(struct seq_file *m, char c, int offset, int length)
470 470
471static void snprint_time(char *buf, size_t bufsiz, s64 nr) 471static void snprint_time(char *buf, size_t bufsiz, s64 nr)
472{ 472{
473 unsigned long rem; 473 s64 div;
474 s32 rem;
474 475
475 nr += 5; /* for display rounding */ 476 nr += 5; /* for display rounding */
476 rem = do_div(nr, 1000); /* XXX: do_div_signed */ 477 div = div_s64_rem(nr, 1000, &rem);
477 snprintf(buf, bufsiz, "%lld.%02d", (long long)nr, (int)rem/10); 478 snprintf(buf, bufsiz, "%lld.%02d", (long long)div, (int)rem/10);
478} 479}
479 480
480static void seq_time(struct seq_file *m, s64 time) 481static void seq_time(struct seq_file *m, s64 time)
@@ -556,7 +557,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
556 if (stats->read_holdtime.nr) 557 if (stats->read_holdtime.nr)
557 namelen += 2; 558 namelen += 2;
558 559
559 for (i = 0; i < ARRAY_SIZE(class->contention_point); i++) { 560 for (i = 0; i < LOCKSTAT_POINTS; i++) {
560 char sym[KSYM_SYMBOL_LEN]; 561 char sym[KSYM_SYMBOL_LEN];
561 char ip[32]; 562 char ip[32];
562 563
@@ -573,6 +574,23 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
573 stats->contention_point[i], 574 stats->contention_point[i],
574 ip, sym); 575 ip, sym);
575 } 576 }
577 for (i = 0; i < LOCKSTAT_POINTS; i++) {
578 char sym[KSYM_SYMBOL_LEN];
579 char ip[32];
580
581 if (class->contending_point[i] == 0)
582 break;
583
584 if (!i)
585 seq_line(m, '-', 40-namelen, namelen);
586
587 sprint_symbol(sym, class->contending_point[i]);
588 snprintf(ip, sizeof(ip), "[<%p>]",
589 (void *)class->contending_point[i]);
590 seq_printf(m, "%40s %14lu %29s %s\n", name,
591 stats->contending_point[i],
592 ip, sym);
593 }
576 if (i) { 594 if (i) {
577 seq_puts(m, "\n"); 595 seq_puts(m, "\n");
578 seq_line(m, '.', 0, 40 + 1 + 10 * (14 + 1)); 596 seq_line(m, '.', 0, 40 + 1 + 10 * (14 + 1));
@@ -582,7 +600,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
582 600
583static void seq_header(struct seq_file *m) 601static void seq_header(struct seq_file *m)
584{ 602{
585 seq_printf(m, "lock_stat version 0.2\n"); 603 seq_printf(m, "lock_stat version 0.3\n");
586 seq_line(m, '-', 0, 40 + 1 + 10 * (14 + 1)); 604 seq_line(m, '-', 0, 40 + 1 + 10 * (14 + 1));
587 seq_printf(m, "%40s %14s %14s %14s %14s %14s %14s %14s %14s " 605 seq_printf(m, "%40s %14s %14s %14s %14s %14s %14s %14s %14s "
588 "%14s %14s\n", 606 "%14s %14s\n",