diff options
Diffstat (limited to 'kernel/power/process.c')
| -rw-r--r-- | kernel/power/process.c | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/kernel/power/process.c b/kernel/power/process.c index 4ac9ce12679a..a7e8a3f17375 100644 --- a/kernel/power/process.c +++ b/kernel/power/process.c @@ -17,7 +17,7 @@ #include <linux/delay.h> #include <linux/workqueue.h> #include <linux/kmod.h> - +#include <linux/wakeup_reason.h> /* * Timeout for stopping processes */ @@ -34,6 +34,7 @@ static int try_to_freeze_tasks(bool user_only) unsigned int elapsed_msecs; bool wakeup = false; int sleep_usecs = USEC_PER_MSEC; + char suspend_abort[MAX_SUSPEND_ABORT_LEN]; do_gettimeofday(&start); @@ -63,6 +64,9 @@ static int try_to_freeze_tasks(bool user_only) break; if (pm_wakeup_pending()) { + pm_get_active_wakeup_sources(suspend_abort, + MAX_SUSPEND_ABORT_LEN); + log_suspend_abort_reason(suspend_abort); wakeup = true; break; } @@ -82,23 +86,24 @@ static int try_to_freeze_tasks(bool user_only) do_div(elapsed_msecs64, NSEC_PER_MSEC); elapsed_msecs = elapsed_msecs64; - if (todo) { + if (wakeup) { + printk("\n"); + printk(KERN_ERR "Freezing of tasks aborted after %d.%03d seconds", + elapsed_msecs / 1000, elapsed_msecs % 1000); + } else if (todo) { printk("\n"); - printk(KERN_ERR "Freezing of tasks %s after %d.%03d seconds " - "(%d tasks refusing to freeze, wq_busy=%d):\n", - wakeup ? "aborted" : "failed", + printk(KERN_ERR "Freezing of tasks failed after %d.%03d seconds" + " (%d tasks refusing to freeze, wq_busy=%d):\n", elapsed_msecs / 1000, elapsed_msecs % 1000, todo - wq_busy, wq_busy); - if (!wakeup) { - read_lock(&tasklist_lock); - do_each_thread(g, p) { - if (p != current && !freezer_should_skip(p) - && freezing(p) && !frozen(p)) - sched_show_task(p); - } while_each_thread(g, p); - read_unlock(&tasklist_lock); - } + read_lock(&tasklist_lock); + do_each_thread(g, p) { + if (p != current && !freezer_should_skip(p) + && freezing(p) && !frozen(p)) + sched_show_task(p); + } while_each_thread(g, p); + read_unlock(&tasklist_lock); } else { printk("(elapsed %d.%03d seconds) ", elapsed_msecs / 1000, elapsed_msecs % 1000); |