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From: Christian Gmeiner <christian.gmeiner@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: cphealy@gmail.com,
	Christian Gmeiner <christian.gmeiner@gmail.com>,
	Lucas Stach <l.stach@pengutronix.de>,
	Russell King <linux+etnaviv@armlinux.org.uk>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: [PATCH 3/4] drm/etnaviv: show loadavg in debugfs
Date: Fri, 10 Jul 2020 09:41:26 +0200	[thread overview]
Message-ID: <20200710074143.306787-4-christian.gmeiner@gmail.com> (raw)
In-Reply-To: <20200710074143.306787-1-christian.gmeiner@gmail.com>

Might be helpful to see the loadavg in debugfs.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 1f0eb7e00657..82fe4aafed57 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -884,7 +884,7 @@ int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
 {
 	struct dma_debug debug;
 	u32 dma_lo, dma_hi, axi, idle;
-	int ret;
+	int ret, i;
 
 	seq_printf(m, "%s Status:\n", dev_name(gpu->dev));
 
@@ -1002,6 +1002,16 @@ int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
 	if (idle & VIVS_HI_IDLE_STATE_AXI_LP)
 		seq_puts(m, "\t AXI low power mode\n");
 
+	seq_printf(m, "\tload:\n");
+	spin_lock_bh(&gpu->loadavg_spinlock);
+
+	for (i = 0; i < ARRAY_SIZE(etna_idle_module_names); i++)
+		seq_printf(m, "\t %s: %u%%\n",
+				  etna_idle_module_names[i].name,
+				  gpu->loadavg_percentage[i]);
+
+	spin_unlock_bh(&gpu->loadavg_spinlock);
+
 	if (gpu->identity.features & chipFeatures_DEBUG_MODE) {
 		u32 read0 = gpu_read(gpu, VIVS_MC_DEBUG_READ0);
 		u32 read1 = gpu_read(gpu, VIVS_MC_DEBUG_READ1);
-- 
2.26.2


WARNING: multiple messages have this Message-ID (diff)
From: Christian Gmeiner <christian.gmeiner@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: David Airlie <airlied@linux.ie>,
	etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
	Russell King <linux+etnaviv@armlinux.org.uk>,
	cphealy@gmail.com
Subject: [PATCH 3/4] drm/etnaviv: show loadavg in debugfs
Date: Fri, 10 Jul 2020 09:41:26 +0200	[thread overview]
Message-ID: <20200710074143.306787-4-christian.gmeiner@gmail.com> (raw)
In-Reply-To: <20200710074143.306787-1-christian.gmeiner@gmail.com>

Might be helpful to see the loadavg in debugfs.

Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 1f0eb7e00657..82fe4aafed57 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -884,7 +884,7 @@ int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
 {
 	struct dma_debug debug;
 	u32 dma_lo, dma_hi, axi, idle;
-	int ret;
+	int ret, i;
 
 	seq_printf(m, "%s Status:\n", dev_name(gpu->dev));
 
@@ -1002,6 +1002,16 @@ int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m)
 	if (idle & VIVS_HI_IDLE_STATE_AXI_LP)
 		seq_puts(m, "\t AXI low power mode\n");
 
+	seq_printf(m, "\tload:\n");
+	spin_lock_bh(&gpu->loadavg_spinlock);
+
+	for (i = 0; i < ARRAY_SIZE(etna_idle_module_names); i++)
+		seq_printf(m, "\t %s: %u%%\n",
+				  etna_idle_module_names[i].name,
+				  gpu->loadavg_percentage[i]);
+
+	spin_unlock_bh(&gpu->loadavg_spinlock);
+
 	if (gpu->identity.features & chipFeatures_DEBUG_MODE) {
 		u32 read0 = gpu_read(gpu, VIVS_MC_DEBUG_READ0);
 		u32 read1 = gpu_read(gpu, VIVS_MC_DEBUG_READ1);
-- 
2.26.2

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  parent reply	other threads:[~2020-07-10  7:42 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-10  7:41 [PATCH 0/4] Add support for GPU load values Christian Gmeiner
2020-07-10  7:41 ` Christian Gmeiner
2020-07-10  7:41 ` [PATCH 1/4] drm/etnaviv: add simple moving average (SMA) Christian Gmeiner
2020-07-10  7:41   ` Christian Gmeiner
2020-07-10  7:41 ` [PATCH 2/4] drm/etnaviv: add loadavg accounting Christian Gmeiner
2020-07-10  7:41   ` Christian Gmeiner
2020-07-10  8:19   ` Lucas Stach
2020-07-10  8:19     ` Lucas Stach
2020-07-10  8:50     ` Christian Gmeiner
2020-07-10  8:50       ` Christian Gmeiner
2020-07-10  7:41 ` Christian Gmeiner [this message]
2020-07-10  7:41   ` [PATCH 3/4] drm/etnaviv: show loadavg in debugfs Christian Gmeiner
2020-07-10  7:41 ` [PATCH 4/4] drm/etnaviv: export loadavg via perfmon Christian Gmeiner
2020-07-10  7:41   ` Christian Gmeiner
2020-07-10  8:31 ` [PATCH 0/4] Add support for GPU load values Lucas Stach
2020-07-10  8:31   ` Lucas Stach
2020-07-10  8:44   ` Christian Gmeiner
2020-07-10  8:44     ` Christian Gmeiner
2020-07-10 12:21     ` Christian Gmeiner
2020-07-10 12:21       ` Christian Gmeiner

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