diff options
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/debugfs.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/main.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/pm.c | 20 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/wil6210/wil6210.h | 5 |
4 files changed, 40 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 21b661158b1a..d4e88652fcc6 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1617,6 +1617,8 @@ static ssize_t wil_write_suspend_stats(struct file *file, struct wil6210_priv *wil = file->private_data; memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); + wil->suspend_stats.min_suspend_time = ULONG_MAX; + wil->suspend_stats.collection_start = ktime_get(); return len; } @@ -1628,18 +1630,27 @@ static ssize_t wil_read_suspend_stats(struct file *file, struct wil6210_priv *wil = file->private_data; static char text[400]; int n; + unsigned long long stats_collection_time = + ktime_to_us(ktime_sub(ktime_get(), + wil->suspend_stats.collection_start)); n = snprintf(text, sizeof(text), "Suspend statistics:\n" "successful suspends:%ld failed suspends:%ld\n" "successful resumes:%ld failed resumes:%ld\n" - "rejected by host:%ld rejected by device:%ld\n", + "rejected by host:%ld rejected by device:%ld\n" + "total suspend time:%lld min suspend time:%lld\n" + "max suspend time:%lld stats collection time: %lld\n", wil->suspend_stats.successful_suspends, wil->suspend_stats.failed_suspends, wil->suspend_stats.successful_resumes, wil->suspend_stats.failed_resumes, wil->suspend_stats.rejected_by_host, - wil->suspend_stats.rejected_by_device); + wil->suspend_stats.rejected_by_device, + wil->suspend_stats.total_suspend_time, + wil->suspend_stats.min_suspend_time, + wil->suspend_stats.max_suspend_time, + stats_collection_time); n = min_t(int, n, sizeof(text)); @@ -1795,6 +1806,8 @@ int wil6210_debugfs_init(struct wil6210_priv *wil) wil6210_debugfs_create_ITR_CNT(wil, dbg); + wil->suspend_stats.collection_start = ktime_get(); + return 0; } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index daf944a71901..8968c2c51a1b 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -578,6 +578,8 @@ int wil_priv_init(struct wil6210_priv *wil) wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | WMI_WAKEUP_TRIGGER_BCAST; + memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); + wil->suspend_stats.min_suspend_time = ULONG_MAX; return 0; diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c index 45488292a8fc..820ed17ae2d4 100644 --- a/drivers/net/wireless/ath/wil6210/pm.c +++ b/drivers/net/wireless/ath/wil6210/pm.c @@ -300,6 +300,9 @@ int wil_suspend(struct wil6210_priv *wil, bool is_runtime) wil_dbg_pm(wil, "suspend: %s => %d\n", is_runtime ? "runtime" : "system", rc); + if (!rc) + wil->suspend_stats.suspend_start_time = ktime_get(); + return rc; } @@ -309,6 +312,7 @@ int wil_resume(struct wil6210_priv *wil, bool is_runtime) struct net_device *ndev = wil_to_ndev(wil); bool keep_radio_on = ndev->flags & IFF_UP && wil->keep_radio_on_during_sleep; + unsigned long long suspend_time_usec = 0; wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system"); @@ -326,8 +330,20 @@ int wil_resume(struct wil6210_priv *wil, bool is_runtime) else rc = wil_resume_radio_off(wil); + if (rc) + goto out; + + suspend_time_usec = + ktime_to_us(ktime_sub(ktime_get(), + wil->suspend_stats.suspend_start_time)); + wil->suspend_stats.total_suspend_time += suspend_time_usec; + if (suspend_time_usec < wil->suspend_stats.min_suspend_time) + wil->suspend_stats.min_suspend_time = suspend_time_usec; + if (suspend_time_usec > wil->suspend_stats.max_suspend_time) + wil->suspend_stats.max_suspend_time = suspend_time_usec; + out: - wil_dbg_pm(wil, "resume: %s => %d\n", - is_runtime ? "runtime" : "system", rc); + wil_dbg_pm(wil, "resume: %s => %d, suspend time %lld usec\n", + is_runtime ? "runtime" : "system", rc, suspend_time_usec); return rc; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index d085ccfc7228..45d9385e8a0f 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -90,6 +90,11 @@ struct wil_suspend_stats { unsigned long failed_resumes; unsigned long rejected_by_device; unsigned long rejected_by_host; + unsigned long long total_suspend_time; + unsigned long long min_suspend_time; + unsigned long long max_suspend_time; + ktime_t collection_start; + ktime_t suspend_start_time; }; /* Calculate MAC buffer size for the firmware. It includes all overhead, |