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qcacmn: Add debug timestamp for wlan_logging_thread

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Add more log for wlan_logging_thread to monitor
thread start/exit.
and also add memory barrier wmb to make sure exit
flag/shutdown_comp have been set done.

Change-Id: I6549f344f50bdd9df3a29c4ab724ea67213670de
CRs-Fixed: 3320274
This commit is contained in:
Jingxiang Ge
2022-10-25 15:03:21 +08:00
committed by Madan Koyyalamudi
parent 4960c64911
commit 7d007034fb
1 changed files with 15 additions and 1 deletions
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16
utils/logging/src/wlan_logging_sock_svc.c
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@@ -215,8 +215,12 @@ struct wlan_logging {
bool is_flush_timer_initialized; bool is_flush_timer_initialized;
uint32_t flush_timer_period; uint32_t flush_timer_period;
qdf_spinlock_t flush_timer_lock; qdf_spinlock_t flush_timer_lock;
qdf_event_t flush_log_completion; qdf_event_t flush_log_completion;
uint64_t wakup_ts;
uint64_t start_ts;
uint64_t reinitcompletion_ts;
uint64_t set_exit_ts;
uint64_t exit_ts;
}; };
/* This global variable is intentionally not marked static because it /* This global variable is intentionally not marked static because it
@@ -843,6 +847,8 @@ static int wlan_logging_thread(void *Arg)
int ret = 0; int ret = 0;
unsigned long flags; unsigned long flags;
gwlan_logging.start_ts = qdf_get_log_timestamp();
while (!gwlan_logging.exit) { while (!gwlan_logging.exit) {
setup_flush_timer(); setup_flush_timer();
ret_wait_status = ret_wait_status =
@@ -932,6 +938,7 @@ static int wlan_logging_thread(void *Arg)
&gwlan_logging.eventFlag); &gwlan_logging.eventFlag);
} }
gwlan_logging.exit_ts = qdf_get_log_timestamp();
kthread_complete_and_exit(&gwlan_logging.shutdown_comp, 0); kthread_complete_and_exit(&gwlan_logging.shutdown_comp, 0);
return 0; return 0;
@@ -1213,6 +1220,8 @@ int wlan_logging_sock_init_svc(void)
goto err3; goto err3;
} }
wake_up_process(gwlan_logging.thread); wake_up_process(gwlan_logging.thread);
gwlan_logging.wakup_ts = qdf_get_log_timestamp();
gwlan_logging.is_active = true; gwlan_logging.is_active = true;
gwlan_logging.is_flush_complete = false; gwlan_logging.is_flush_complete = false;
@@ -1255,8 +1264,13 @@ int wlan_logging_sock_deinit_svc(void)
qdf_event_destroy(&gwlan_logging.flush_log_completion); qdf_event_destroy(&gwlan_logging.flush_log_completion);
gwlan_logging.reinitcompletion_ts = qdf_get_log_timestamp();
INIT_COMPLETION(gwlan_logging.shutdown_comp); INIT_COMPLETION(gwlan_logging.shutdown_comp);
qdf_wmb();
gwlan_logging.exit = true; gwlan_logging.exit = true;
qdf_wmb();
gwlan_logging.set_exit_ts = qdf_get_log_timestamp();
gwlan_logging.is_active = false; gwlan_logging.is_active = false;
#if defined(FEATURE_FW_LOG_PARSING) || defined(FEATURE_WLAN_DIAG_SUPPORT) #if defined(FEATURE_FW_LOG_PARSING) || defined(FEATURE_WLAN_DIAG_SUPPORT)
cds_set_multicast_logging(0); cds_set_multicast_logging(0);