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From: Janusz Dziedzic <janusz.dziedzic@tieto.com>
To: linux-wireless@vger.kernel.org
Cc: ath9k-devel@lists.ath9k.org, Janusz Dziedzic <janusz.dziedzic@tieto.com>
Subject: [PATCH 12/12] ath9k: MCC, print time elapsed between events
Date: Thu, 12 Nov 2015 14:15:49 +0100	[thread overview]
Message-ID: <1447334149-15507-12-git-send-email-janusz.dziedzic@tieto.com> (raw)
In-Reply-To: <1447334149-15507-1-git-send-email-janusz.dziedzic@tieto.com>

This is useful for MCC debugging and bug fixing.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h   |  1 +
 drivers/net/wireless/ath/ath9k/channel.c | 19 +++++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 4616229..952a467 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -983,6 +983,7 @@ struct ath_softc {
 	struct ath_offchannel offchannel;
 	struct ath_chanctx *next_chan;
 	struct completion go_beacon;
+	struct timespec last_event_time;
 #endif
 
 	unsigned long driver_data;
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index b0d74f0..d6b1076 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -226,6 +226,20 @@ static const char *chanctx_state_string(enum ath_chanctx_state state)
 	}
 }
 
+static const u32 chanctx_event_delta(struct ath_softc *sc)
+{
+	u64 ms;
+	struct timespec ts, *old;
+
+	getrawmonotonic(&ts);
+	old = &sc->last_event_time;
+	ms = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+	ms -= old->tv_sec * 1000 + old->tv_nsec / 1000000;
+	sc->last_event_time = ts;
+
+	return (u32)ms;
+}
+
 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -507,10 +521,11 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
 
 	spin_lock_bh(&sc->chan_lock);
 
-	ath_dbg(common, CHAN_CTX, "cur_chan: %d MHz, event: %s, state: %s\n",
+	ath_dbg(common, CHAN_CTX, "cur_chan: %d MHz, event: %s, state: %s, delta: %u ms\n",
 		sc->cur_chan->chandef.center_freq1,
 		chanctx_event_string(ev),
-		chanctx_state_string(sc->sched.state));
+		chanctx_state_string(sc->sched.state),
+		chanctx_event_delta(sc));
 
 	switch (ev) {
 	case ATH_CHANCTX_EVENT_BEACON_PREPARE:
-- 
1.9.1


WARNING: multiple messages have this Message-ID (diff)
From: Janusz Dziedzic <janusz.dziedzic@tieto.com>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] [PATCH 12/12] ath9k: MCC, print time elapsed between events
Date: Thu, 12 Nov 2015 14:15:49 +0100	[thread overview]
Message-ID: <1447334149-15507-12-git-send-email-janusz.dziedzic@tieto.com> (raw)
In-Reply-To: <1447334149-15507-1-git-send-email-janusz.dziedzic@tieto.com>

This is useful for MCC debugging and bug fixing.

Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
---
 drivers/net/wireless/ath/ath9k/ath9k.h   |  1 +
 drivers/net/wireless/ath/ath9k/channel.c | 19 +++++++++++++++++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 4616229..952a467 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -983,6 +983,7 @@ struct ath_softc {
 	struct ath_offchannel offchannel;
 	struct ath_chanctx *next_chan;
 	struct completion go_beacon;
+	struct timespec last_event_time;
 #endif
 
 	unsigned long driver_data;
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index b0d74f0..d6b1076 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -226,6 +226,20 @@ static const char *chanctx_state_string(enum ath_chanctx_state state)
 	}
 }
 
+static const u32 chanctx_event_delta(struct ath_softc *sc)
+{
+	u64 ms;
+	struct timespec ts, *old;
+
+	getrawmonotonic(&ts);
+	old = &sc->last_event_time;
+	ms = ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
+	ms -= old->tv_sec * 1000 + old->tv_nsec / 1000000;
+	sc->last_event_time = ts;
+
+	return (u32)ms;
+}
+
 void ath_chanctx_check_active(struct ath_softc *sc, struct ath_chanctx *ctx)
 {
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
@@ -507,10 +521,11 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
 
 	spin_lock_bh(&sc->chan_lock);
 
-	ath_dbg(common, CHAN_CTX, "cur_chan: %d MHz, event: %s, state: %s\n",
+	ath_dbg(common, CHAN_CTX, "cur_chan: %d MHz, event: %s, state: %s, delta: %u ms\n",
 		sc->cur_chan->chandef.center_freq1,
 		chanctx_event_string(ev),
-		chanctx_state_string(sc->sched.state));
+		chanctx_state_string(sc->sched.state),
+		chanctx_event_delta(sc));
 
 	switch (ev) {
 	case ATH_CHANCTX_EVENT_BEACON_PREPARE:
-- 
1.9.1

  parent reply	other threads:[~2015-11-12 13:16 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12 13:15 [PATCH 01/12] ath9k: add debug messages to aggr/chanctx funcs Janusz Dziedzic
2015-11-12 13:15 ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 02/12] ath9k: print real timer value Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 03/12] ath9k: queue null frames in case of MCC Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 04/12] ath9k: P2P_CLIENT, send frames after 1ms AP/GO will aprear Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 05/12] ath9k: use u32 when calculate tsf Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 19:51   ` Kalle Valo
2015-11-12 19:51     ` [ath9k-devel] " Kalle Valo
2015-11-12 13:15 ` [PATCH 06/12] ath9k: setup correct skb priority for nullfunc Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 07/12] ath9k: MCC enable Opportunistic Power Save Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 08/12] ath9k: P2P_CLIENT, get/set NOA correctly Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 09/12] ath9k: request NOA update when chanctx active Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:59   ` kbuild test robot
2015-11-12 14:09     ` [ath9k-devel] " kbuild test robot
2015-11-12 13:15 ` [PATCH 10/12] ath9k: MCC, add NOA also in case of an AP Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` [PATCH 11/12] ath9k: MCC add sta_ap_ratio module param Janusz Dziedzic
2015-11-12 13:15   ` [ath9k-devel] " Janusz Dziedzic
2015-11-12 13:15 ` Janusz Dziedzic [this message]
2015-11-12 13:15   ` [ath9k-devel] [PATCH 12/12] ath9k: MCC, print time elapsed between events Janusz Dziedzic

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