From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Matt Merhar <mattmerhar@protonmail.com>, Peter Geis <pgwipeout@gmail.com>, Nicolas Chauvet <kwizart@gmail.com> Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH v13 2/2] drm/tegra: dc: Extend debug stats with total number of events Date: Tue, 2 Mar 2021 15:44:45 +0300 [thread overview] Message-ID: <20210302124445.29444-3-digetx@gmail.com> (raw) In-Reply-To: <20210302124445.29444-1-digetx@gmail.com> It's useful to know the total number of underflow events and currently the debug stats are getting reset each time CRTC is being disabled. Let's account the overall number of events that doesn't get a reset. Tested-by: Peter Geis <pgwipeout@gmail.com> Tested-by: Nicolas Chauvet <kwizart@gmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/gpu/drm/tegra/dc.c | 10 ++++++++++ drivers/gpu/drm/tegra/dc.h | 5 +++++ 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 7c6079984906..1399e4032701 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1539,6 +1539,11 @@ static int tegra_dc_show_stats(struct seq_file *s, void *data) seq_printf(s, "underflow: %lu\n", dc->stats.underflow); seq_printf(s, "overflow: %lu\n", dc->stats.overflow); + seq_printf(s, "frames total: %lu\n", dc->stats.frames_total); + seq_printf(s, "vblank total: %lu\n", dc->stats.vblank_total); + seq_printf(s, "underflow total: %lu\n", dc->stats.underflow_total); + seq_printf(s, "overflow total: %lu\n", dc->stats.overflow_total); + return 0; } @@ -2310,6 +2315,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) /* dev_dbg(dc->dev, "%s(): frame end\n", __func__); */ + dc->stats.frames_total++; dc->stats.frames++; } @@ -2318,6 +2324,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) dev_dbg(dc->dev, "%s(): vertical blank\n", __func__); */ drm_crtc_handle_vblank(&dc->base); + dc->stats.vblank_total++; dc->stats.vblank++; } @@ -2325,6 +2332,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) /* dev_dbg(dc->dev, "%s(): underflow\n", __func__); */ + dc->stats.underflow_total++; dc->stats.underflow++; } @@ -2332,11 +2340,13 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) /* dev_dbg(dc->dev, "%s(): overflow\n", __func__); */ + dc->stats.overflow_total++; dc->stats.overflow++; } if (status & HEAD_UF_INT) { dev_dbg_ratelimited(dc->dev, "%s(): head underflow\n", __func__); + dc->stats.underflow_total++; dc->stats.underflow++; } diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h index 0d7bdf66a1ec..ba4ed35139fb 100644 --- a/drivers/gpu/drm/tegra/dc.h +++ b/drivers/gpu/drm/tegra/dc.h @@ -48,6 +48,11 @@ struct tegra_dc_stats { unsigned long vblank; unsigned long underflow; unsigned long overflow; + + unsigned long frames_total; + unsigned long vblank_total; + unsigned long underflow_total; + unsigned long overflow_total; }; struct tegra_windowgroup_soc { -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: Dmitry Osipenko <digetx@gmail.com> To: Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Matt Merhar <mattmerhar@protonmail.com>, Peter Geis <pgwipeout@gmail.com>, Nicolas Chauvet <kwizart@gmail.com> Cc: linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-pm@vger.kernel.org Subject: [PATCH v13 2/2] drm/tegra: dc: Extend debug stats with total number of events Date: Tue, 2 Mar 2021 15:44:45 +0300 [thread overview] Message-ID: <20210302124445.29444-3-digetx@gmail.com> (raw) In-Reply-To: <20210302124445.29444-1-digetx@gmail.com> It's useful to know the total number of underflow events and currently the debug stats are getting reset each time CRTC is being disabled. Let's account the overall number of events that doesn't get a reset. Tested-by: Peter Geis <pgwipeout@gmail.com> Tested-by: Nicolas Chauvet <kwizart@gmail.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> --- drivers/gpu/drm/tegra/dc.c | 10 ++++++++++ drivers/gpu/drm/tegra/dc.h | 5 +++++ 2 files changed, 15 insertions(+) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 7c6079984906..1399e4032701 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1539,6 +1539,11 @@ static int tegra_dc_show_stats(struct seq_file *s, void *data) seq_printf(s, "underflow: %lu\n", dc->stats.underflow); seq_printf(s, "overflow: %lu\n", dc->stats.overflow); + seq_printf(s, "frames total: %lu\n", dc->stats.frames_total); + seq_printf(s, "vblank total: %lu\n", dc->stats.vblank_total); + seq_printf(s, "underflow total: %lu\n", dc->stats.underflow_total); + seq_printf(s, "overflow total: %lu\n", dc->stats.overflow_total); + return 0; } @@ -2310,6 +2315,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) /* dev_dbg(dc->dev, "%s(): frame end\n", __func__); */ + dc->stats.frames_total++; dc->stats.frames++; } @@ -2318,6 +2324,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) dev_dbg(dc->dev, "%s(): vertical blank\n", __func__); */ drm_crtc_handle_vblank(&dc->base); + dc->stats.vblank_total++; dc->stats.vblank++; } @@ -2325,6 +2332,7 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) /* dev_dbg(dc->dev, "%s(): underflow\n", __func__); */ + dc->stats.underflow_total++; dc->stats.underflow++; } @@ -2332,11 +2340,13 @@ static irqreturn_t tegra_dc_irq(int irq, void *data) /* dev_dbg(dc->dev, "%s(): overflow\n", __func__); */ + dc->stats.overflow_total++; dc->stats.overflow++; } if (status & HEAD_UF_INT) { dev_dbg_ratelimited(dc->dev, "%s(): head underflow\n", __func__); + dc->stats.underflow_total++; dc->stats.underflow++; } diff --git a/drivers/gpu/drm/tegra/dc.h b/drivers/gpu/drm/tegra/dc.h index 0d7bdf66a1ec..ba4ed35139fb 100644 --- a/drivers/gpu/drm/tegra/dc.h +++ b/drivers/gpu/drm/tegra/dc.h @@ -48,6 +48,11 @@ struct tegra_dc_stats { unsigned long vblank; unsigned long underflow; unsigned long overflow; + + unsigned long frames_total; + unsigned long vblank_total; + unsigned long underflow_total; + unsigned long overflow_total; }; struct tegra_windowgroup_soc { -- 2.29.2 _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2021-03-03 3:36 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-02 12:44 [PATCH v13 0/2] Add memory bandwidth management to NVIDIA Tegra DRM driver Dmitry Osipenko 2021-03-02 12:44 ` Dmitry Osipenko 2021-03-02 12:44 ` [PATCH v13 1/2] drm/tegra: dc: Support memory bandwidth management Dmitry Osipenko 2021-03-02 12:44 ` Dmitry Osipenko 2021-03-03 23:08 ` Michał Mirosław 2021-03-03 23:08 ` Michał Mirosław 2021-03-04 21:45 ` Dmitry Osipenko 2021-03-04 21:45 ` Dmitry Osipenko 2021-03-05 23:02 ` Michał Mirosław 2021-03-05 23:02 ` Michał Mirosław 2021-03-08 14:20 ` Dmitry Osipenko 2021-03-08 14:20 ` Dmitry Osipenko 2021-03-02 12:44 ` Dmitry Osipenko [this message] 2021-03-02 12:44 ` [PATCH v13 2/2] drm/tegra: dc: Extend debug stats with total number of events Dmitry Osipenko
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