From: Christian Gmeiner <christian.gmeiner@gmail.com> To: linux-kernel@vger.kernel.org Cc: 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 (moderated list:DRM DRIVERS FOR VIVANTE GPU IP), dri-devel@lists.freedesktop.org (open list:DRM DRIVERS FOR VIVANTE GPU IP) Subject: [PATCH v2 4/4] drm/etnaviv: export loadavg via perfmon Date: Tue, 21 Jun 2022 09:20:50 +0200 [thread overview] Message-ID: <20220621072050.76229-5-christian.gmeiner@gmail.com> (raw) In-Reply-To: <20220621072050.76229-1-christian.gmeiner@gmail.com> Make it possible to access the sub-GPU component load value from user space with the perfmon infrastructure. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> --- drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 79 +++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c index bafdfe49c1d8..d65d9af3a74a 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c @@ -120,6 +120,19 @@ static u32 hi_total_idle_cycle_read(struct etnaviv_gpu *gpu, return gpu_read(gpu, reg); } +static u32 load_read(struct etnaviv_gpu *gpu, + const struct etnaviv_pm_domain *domain, + const struct etnaviv_pm_signal *signal) +{ + u32 load; + + spin_lock_bh(&gpu->loadavg_spinlock); + load = gpu->loadavg_percentage[signal->data]; + spin_unlock_bh(&gpu->loadavg_spinlock); + + return load; +} + static const struct etnaviv_pm_domain doms_3d[] = { { .name = "HI", @@ -419,6 +432,72 @@ static const struct etnaviv_pm_domain doms_3d[] = { &perf_reg_read } } + }, + { + .name = "LOAD", + .nr_signals = 12, + .signal = (const struct etnaviv_pm_signal[]) { + { + "FE", + 0, + &load_read + }, + { + "DE", + 1, + &load_read + }, + { + "PE", + 2, + &load_read + }, + { + "SH", + 3, + &load_read + }, + { + "PA", + 4, + &load_read + }, + { + "SE", + 5, + &load_read + }, + { + "RA", + 6, + &load_read + }, + { + "TX", + 7, + &load_read + }, + { + "VG", + 8, + &load_read + }, + { + "IM", + 9, + &load_read + }, + { + "FP", + 10, + &load_read + }, + { + "TS", + 11, + &load_read + } + } } }; -- 2.36.1
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>, "moderated list:DRM DRIVERS FOR VIVANTE GPU IP" <etnaviv@lists.freedesktop.org>, "open list:DRM DRIVERS FOR VIVANTE GPU IP" <dri-devel@lists.freedesktop.org>, Russell King <linux+etnaviv@armlinux.org.uk> Subject: [PATCH v2 4/4] drm/etnaviv: export loadavg via perfmon Date: Tue, 21 Jun 2022 09:20:50 +0200 [thread overview] Message-ID: <20220621072050.76229-5-christian.gmeiner@gmail.com> (raw) In-Reply-To: <20220621072050.76229-1-christian.gmeiner@gmail.com> Make it possible to access the sub-GPU component load value from user space with the perfmon infrastructure. Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com> --- drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 79 +++++++++++++++++++++++ 1 file changed, 79 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c index bafdfe49c1d8..d65d9af3a74a 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c @@ -120,6 +120,19 @@ static u32 hi_total_idle_cycle_read(struct etnaviv_gpu *gpu, return gpu_read(gpu, reg); } +static u32 load_read(struct etnaviv_gpu *gpu, + const struct etnaviv_pm_domain *domain, + const struct etnaviv_pm_signal *signal) +{ + u32 load; + + spin_lock_bh(&gpu->loadavg_spinlock); + load = gpu->loadavg_percentage[signal->data]; + spin_unlock_bh(&gpu->loadavg_spinlock); + + return load; +} + static const struct etnaviv_pm_domain doms_3d[] = { { .name = "HI", @@ -419,6 +432,72 @@ static const struct etnaviv_pm_domain doms_3d[] = { &perf_reg_read } } + }, + { + .name = "LOAD", + .nr_signals = 12, + .signal = (const struct etnaviv_pm_signal[]) { + { + "FE", + 0, + &load_read + }, + { + "DE", + 1, + &load_read + }, + { + "PE", + 2, + &load_read + }, + { + "SH", + 3, + &load_read + }, + { + "PA", + 4, + &load_read + }, + { + "SE", + 5, + &load_read + }, + { + "RA", + 6, + &load_read + }, + { + "TX", + 7, + &load_read + }, + { + "VG", + 8, + &load_read + }, + { + "IM", + 9, + &load_read + }, + { + "FP", + 10, + &load_read + }, + { + "TS", + 11, + &load_read + } + } } }; -- 2.36.1
next prev parent reply other threads:[~2022-06-21 7:21 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-21 7:20 [PATCH v2 0/4] Add support for GPU load values Christian Gmeiner 2022-06-21 7:20 ` Christian Gmeiner 2022-06-21 7:20 ` [PATCH v2 1/4] drm/etnaviv: add simple moving average (SMA) Christian Gmeiner 2022-06-21 7:20 ` Christian Gmeiner 2022-06-24 9:22 ` Lucas Stach 2022-06-24 9:22 ` Lucas Stach 2022-07-02 11:41 ` Christian Gmeiner 2022-07-02 11:41 ` Christian Gmeiner 2022-06-21 7:20 ` [PATCH v2 2/4] drm/etnaviv: add loadavg accounting Christian Gmeiner 2022-06-21 7:20 ` Christian Gmeiner 2022-06-24 9:38 ` Lucas Stach 2022-06-24 9:38 ` Lucas Stach 2022-07-02 11:53 ` Christian Gmeiner 2022-07-02 11:53 ` Christian Gmeiner 2022-06-21 7:20 ` [PATCH v2 3/4] drm/etnaviv: show loadavg in debugfs Christian Gmeiner 2022-06-21 7:20 ` Christian Gmeiner 2022-06-21 7:20 ` Christian Gmeiner [this message] 2022-06-21 7:20 ` [PATCH v2 4/4] drm/etnaviv: export loadavg via perfmon Christian Gmeiner 2022-06-24 9:44 ` Lucas Stach 2022-06-24 9:44 ` Lucas Stach 2022-07-02 11:57 ` Christian Gmeiner 2022-07-02 11:57 ` Christian Gmeiner
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