diff options
Diffstat (limited to 'kernel/hung_task.c')
-rw-r--r-- | kernel/hung_task.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/hung_task.c b/kernel/hung_task.c index 3e97fb126e6b..8807061ca004 100644 --- a/kernel/hung_task.c +++ b/kernel/hung_task.c | |||
@@ -16,11 +16,12 @@ | |||
16 | #include <linux/export.h> | 16 | #include <linux/export.h> |
17 | #include <linux/sysctl.h> | 17 | #include <linux/sysctl.h> |
18 | #include <linux/utsname.h> | 18 | #include <linux/utsname.h> |
19 | #include <trace/events/sched.h> | ||
19 | 20 | ||
20 | /* | 21 | /* |
21 | * The number of tasks checked: | 22 | * The number of tasks checked: |
22 | */ | 23 | */ |
23 | unsigned long __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT; | 24 | int __read_mostly sysctl_hung_task_check_count = PID_MAX_LIMIT; |
24 | 25 | ||
25 | /* | 26 | /* |
26 | * Limit number of tasks checked in a batch. | 27 | * Limit number of tasks checked in a batch. |
@@ -92,6 +93,9 @@ static void check_hung_task(struct task_struct *t, unsigned long timeout) | |||
92 | t->last_switch_count = switch_count; | 93 | t->last_switch_count = switch_count; |
93 | return; | 94 | return; |
94 | } | 95 | } |
96 | |||
97 | trace_sched_process_hang(t); | ||
98 | |||
95 | if (!sysctl_hung_task_warnings) | 99 | if (!sysctl_hung_task_warnings) |
96 | return; | 100 | return; |
97 | sysctl_hung_task_warnings--; | 101 | sysctl_hung_task_warnings--; |