Return-path: Received: from sabertooth01.qualcomm.com ([65.197.215.72]:54362 "EHLO sabertooth01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755383AbdKNN0H (ORCPT ); Tue, 14 Nov 2017 08:26:07 -0500 Cc: Lazar Alexei , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com, Maya Erez From: Maya Erez To: Kalle Valo Subject: [PATCH v3 11/12] wil6210: remove suspend time statistics Date: Tue, 14 Nov 2017 15:25:43 +0200 Message-Id: <1510665944-30198-12-git-send-email-qca_merez@qca.qualcomm.com> (sfid-20171114_142617_701562_877C6CA1) In-Reply-To: <1510665944-30198-1-git-send-email-qca_merez@qca.qualcomm.com> References: <1510665944-30198-1-git-send-email-qca_merez@qca.qualcomm.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Lazar Alexei Currently suspend time statistics are showed through debugfs. Remove time statistics in suspend state since the timing may not be accurate in that state. Signed-off-by: Lazar Alexei Signed-off-by: Maya Erez --- drivers/net/wireless/ath/wil6210/debugfs.c | 17 ++--------------- drivers/net/wireless/ath/wil6210/main.c | 1 - drivers/net/wireless/ath/wil6210/pm.c | 20 ++------------------ drivers/net/wireless/ath/wil6210/wil6210.h | 5 ----- 4 files changed, 4 insertions(+), 39 deletions(-) diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 06b9c56..edaab0f 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1632,8 +1632,6 @@ 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; } @@ -1645,27 +1643,18 @@ 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" - "total suspend time:%lld min suspend time:%lld\n" - "max suspend time:%lld stats collection time: %lld\n", + "rejected by host:%ld rejected by device:%ld\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.total_suspend_time, - wil->suspend_stats.min_suspend_time, - wil->suspend_stats.max_suspend_time, - stats_collection_time); + wil->suspend_stats.rejected_by_device); n = min_t(int, n, sizeof(text)); @@ -1836,8 +1825,6 @@ 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 e92fd35..1b53cd3 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -579,7 +579,6 @@ 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; wil->vring_idle_trsh = 16; return 0; diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c index 6fd5420..9fba237 100644 --- a/drivers/net/wireless/ath/wil6210/pm.c +++ b/drivers/net/wireless/ath/wil6210/pm.c @@ -323,16 +323,12 @@ int wil_suspend(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on) 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; } int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on) { int rc = 0; - unsigned long long suspend_time_usec = 0; wil_dbg_pm(wil, "resume: %s\n", is_runtime ? "runtime" : "system"); @@ -350,21 +346,9 @@ int wil_resume(struct wil6210_priv *wil, bool is_runtime, bool keep_radio_on) 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, suspend time %lld usec\n", - is_runtime ? "runtime" : "system", rc, suspend_time_usec); + wil_dbg_pm(wil, "resume: %s => %d\n", is_runtime ? "runtime" : "system", + rc); return rc; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 7e017b1..ea04117 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -89,11 +89,6 @@ 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, -- 1.9.1