samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Forka 0
Codice Problemi Pull Requests Actions Pacchetti Progetti Rilasci Wiki Attività

qcacmn: Dump WMI work queue stack for watchdog bite

Sfoglia il codice sorgente 
In the event of an WMI work queue watchdog bite, dump the stack
trace to aid in debugging.

Change-Id: I7f3df5a56904748fb80afb1aef1aed90d20fbbc0
CRs-Fixed: 2145913
This commit is contained in:
Govind Singh
2017-11-21 10:53:40 +05:30
committato da snandini
parent 8942686c5e
commit c646e102cf
1 ha cambiato i file con 13 aggiunte e 5 eliminazioni
Scarica il file Patch Scarica il file Diff Expand all files Collapse all files

18
wmi_unified.c
Vedi File

@@ -1883,7 +1883,11 @@ static inline void wmi_workqueue_watchdog_warn(uint16_t msg_type_id)
#ifdef CONFIG_SLUB_DEBUG_ON
static void wmi_workqueue_watchdog_bite(void *arg)
{
wmi_workqueue_watchdog_warn(*(uint16_t *)arg);
struct wmi_wq_dbg_info *info = arg;
wmi_workqueue_watchdog_warn(info->wd_msg_type_id);
qdf_print_thread_trace(info->task);
QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_ERROR,
"%s: Going down for WMI WQ Watchdog Bite!", __func__);
QDF_BUG(0);
@@ -1891,7 +1895,9 @@ static void wmi_workqueue_watchdog_bite(void *arg)
#else
static inline void wmi_workqueue_watchdog_bite(void *arg)
{
wmi_workqueue_watchdog_warn(*(uint16_t *)arg);
struct wmi_wq_dbg_info *info = arg;
wmi_workqueue_watchdog_warn(info->wd_msg_type_id);
}
#endif
@@ -1908,18 +1914,20 @@ static void wmi_rx_event_work(void *arg)
wmi_buf_t buf;
struct wmi_unified *wmi = arg;
qdf_timer_t wd_timer;
uint16_t wd_msg_type_id;
struct wmi_wq_dbg_info info;
/* initialize WMI workqueue watchdog timer */
qdf_timer_init(NULL, &wd_timer, &wmi_workqueue_watchdog_bite,
&wd_msg_type_id, QDF_TIMER_TYPE_SW);
&info, QDF_TIMER_TYPE_SW);
qdf_spin_lock_bh(&wmi->eventq_lock);
buf = qdf_nbuf_queue_remove(&wmi->event_queue);
qdf_spin_unlock_bh(&wmi->eventq_lock);
while (buf) {
qdf_timer_start(&wd_timer, WMI_WQ_WD_TIMEOUT);
wd_msg_type_id =
info.wd_msg_type_id =
WMI_GET_FIELD(qdf_nbuf_data(buf), WMI_CMD_HDR, COMMANDID);
info.wmi_wq = wmi->wmi_rx_work_queue;
info.task = qdf_get_current_task();
__wmi_control_rx(wmi, buf);
qdf_timer_stop(&wd_timer);
qdf_spin_lock_bh(&wmi->eventq_lock);