From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> To: Intel-gfx@lists.freedesktop.org Cc: Chris Wilson <chris@chris-wilson.co.uk>, Aravind Iddamsetty <aravind.iddamsetty@intel.com>, dri-devel@lists.freedesktop.org, Tvrtko Ursulin <tvrtko.ursulin@intel.com> Subject: [RFC 5/7] drm/i915: Track all user contexts per client Date: Thu, 20 May 2021 16:12:52 +0100 [thread overview] Message-ID: <20210520151254.959958-6-tvrtko.ursulin@linux.intel.com> (raw) In-Reply-To: <20210520151254.959958-1-tvrtko.ursulin@linux.intel.com> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com> We soon want to start answering questions like how much GPU time is the context belonging to a client which exited still using. To enable this we start tracking all context belonging to a client on a separate list. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 12 ++++++++++++ drivers/gpu/drm/i915/gem/i915_gem_context_types.h | 3 +++ drivers/gpu/drm/i915/i915_drm_client.c | 3 +++ drivers/gpu/drm/i915/i915_drm_client.h | 5 +++++ 4 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index b8d8366a2cce..1595a608de92 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -573,6 +573,7 @@ static void set_closed_name(struct i915_gem_context *ctx) static void context_close(struct i915_gem_context *ctx) { struct i915_address_space *vm; + struct i915_drm_client *client; /* Flush any concurrent set_engines() */ mutex_lock(&ctx->engines_mutex); @@ -601,6 +602,13 @@ static void context_close(struct i915_gem_context *ctx) list_del(&ctx->link); spin_unlock(&ctx->i915->gem.contexts.lock); + client = ctx->client; + if (client) { + spin_lock(&client->ctx_lock); + list_del_rcu(&ctx->client_link); + spin_unlock(&client->ctx_lock); + } + mutex_unlock(&ctx->mutex); /* @@ -943,6 +951,10 @@ static int gem_context_register(struct i915_gem_context *ctx, ctx->client = client; + spin_lock(&client->ctx_lock); + list_add_tail_rcu(&ctx->client_link, &client->ctx_list); + spin_unlock(&client->ctx_lock); + spin_lock(&i915->gem.contexts.lock); list_add_tail(&ctx->link, &i915->gem.contexts.list); spin_unlock(&i915->gem.contexts.lock); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index eb098f2896c5..8ea3fe3e7414 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -102,6 +102,9 @@ struct i915_gem_context { /** client: struct i915_drm_client */ struct i915_drm_client *client; + /** link: &drm_client.context_list */ + struct list_head client_link; + /** * @ref: reference count * diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c index 0b7a70ed61d0..1e5db7753276 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -100,6 +100,9 @@ i915_drm_client_add(struct i915_drm_clients *clients, struct task_struct *task) kref_init(&client->kref); mutex_init(&client->update_lock); + spin_lock_init(&client->ctx_lock); + INIT_LIST_HEAD(&client->ctx_list); + client->clients = clients; INIT_RCU_WORK(&client->rcu, __rcu_i915_drm_client_free); diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h index db82180f5859..b2b69d6985e4 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.h +++ b/drivers/gpu/drm/i915/i915_drm_client.h @@ -7,10 +7,12 @@ #define __I915_DRM_CLIENT_H__ #include <linux/kref.h> +#include <linux/list.h> #include <linux/mutex.h> #include <linux/pid.h> #include <linux/rcupdate.h> #include <linux/sched.h> +#include <linux/spinlock.h> #include <linux/xarray.h> #include "gt/intel_engine_types.h" @@ -42,6 +44,9 @@ struct i915_drm_client { struct i915_drm_client_name __rcu *name; bool closed; + spinlock_t ctx_lock; /* For add/remove from ctx_list. */ + struct list_head ctx_list; /* List of contexts belonging to client. */ + struct i915_drm_clients *clients; /** -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> To: Intel-gfx@lists.freedesktop.org Cc: Chris Wilson <chris@chris-wilson.co.uk>, dri-devel@lists.freedesktop.org Subject: [Intel-gfx] [RFC 5/7] drm/i915: Track all user contexts per client Date: Thu, 20 May 2021 16:12:52 +0100 [thread overview] Message-ID: <20210520151254.959958-6-tvrtko.ursulin@linux.intel.com> (raw) In-Reply-To: <20210520151254.959958-1-tvrtko.ursulin@linux.intel.com> From: Tvrtko Ursulin <tvrtko.ursulin@intel.com> We soon want to start answering questions like how much GPU time is the context belonging to a client which exited still using. To enable this we start tracking all context belonging to a client on a separate list. Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 12 ++++++++++++ drivers/gpu/drm/i915/gem/i915_gem_context_types.h | 3 +++ drivers/gpu/drm/i915/i915_drm_client.c | 3 +++ drivers/gpu/drm/i915/i915_drm_client.h | 5 +++++ 4 files changed, 23 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index b8d8366a2cce..1595a608de92 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -573,6 +573,7 @@ static void set_closed_name(struct i915_gem_context *ctx) static void context_close(struct i915_gem_context *ctx) { struct i915_address_space *vm; + struct i915_drm_client *client; /* Flush any concurrent set_engines() */ mutex_lock(&ctx->engines_mutex); @@ -601,6 +602,13 @@ static void context_close(struct i915_gem_context *ctx) list_del(&ctx->link); spin_unlock(&ctx->i915->gem.contexts.lock); + client = ctx->client; + if (client) { + spin_lock(&client->ctx_lock); + list_del_rcu(&ctx->client_link); + spin_unlock(&client->ctx_lock); + } + mutex_unlock(&ctx->mutex); /* @@ -943,6 +951,10 @@ static int gem_context_register(struct i915_gem_context *ctx, ctx->client = client; + spin_lock(&client->ctx_lock); + list_add_tail_rcu(&ctx->client_link, &client->ctx_list); + spin_unlock(&client->ctx_lock); + spin_lock(&i915->gem.contexts.lock); list_add_tail(&ctx->link, &i915->gem.contexts.list); spin_unlock(&i915->gem.contexts.lock); diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h index eb098f2896c5..8ea3fe3e7414 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context_types.h +++ b/drivers/gpu/drm/i915/gem/i915_gem_context_types.h @@ -102,6 +102,9 @@ struct i915_gem_context { /** client: struct i915_drm_client */ struct i915_drm_client *client; + /** link: &drm_client.context_list */ + struct list_head client_link; + /** * @ref: reference count * diff --git a/drivers/gpu/drm/i915/i915_drm_client.c b/drivers/gpu/drm/i915/i915_drm_client.c index 0b7a70ed61d0..1e5db7753276 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.c +++ b/drivers/gpu/drm/i915/i915_drm_client.c @@ -100,6 +100,9 @@ i915_drm_client_add(struct i915_drm_clients *clients, struct task_struct *task) kref_init(&client->kref); mutex_init(&client->update_lock); + spin_lock_init(&client->ctx_lock); + INIT_LIST_HEAD(&client->ctx_list); + client->clients = clients; INIT_RCU_WORK(&client->rcu, __rcu_i915_drm_client_free); diff --git a/drivers/gpu/drm/i915/i915_drm_client.h b/drivers/gpu/drm/i915/i915_drm_client.h index db82180f5859..b2b69d6985e4 100644 --- a/drivers/gpu/drm/i915/i915_drm_client.h +++ b/drivers/gpu/drm/i915/i915_drm_client.h @@ -7,10 +7,12 @@ #define __I915_DRM_CLIENT_H__ #include <linux/kref.h> +#include <linux/list.h> #include <linux/mutex.h> #include <linux/pid.h> #include <linux/rcupdate.h> #include <linux/sched.h> +#include <linux/spinlock.h> #include <linux/xarray.h> #include "gt/intel_engine_types.h" @@ -42,6 +44,9 @@ struct i915_drm_client { struct i915_drm_client_name __rcu *name; bool closed; + spinlock_t ctx_lock; /* For add/remove from ctx_list. */ + struct list_head ctx_list; /* List of contexts belonging to client. */ + struct i915_drm_clients *clients; /** -- 2.30.2 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2021-05-20 15:13 UTC|newest] Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-20 15:12 [RFC 0/7] Per client engine busyness Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 15:12 ` [RFC 1/7] drm/i915: Explicitly track DRM clients Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 15:12 ` [RFC 2/7] drm/i915: Update client name on context create Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 15:12 ` [RFC 3/7] drm/i915: Make GEM contexts track DRM clients Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 15:12 ` [RFC 4/7] drm/i915: Track runtime spent in closed and unreachable GEM contexts Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 15:12 ` Tvrtko Ursulin [this message] 2021-05-20 15:12 ` [Intel-gfx] [RFC 5/7] drm/i915: Track all user contexts per client Tvrtko Ursulin 2021-05-20 15:12 ` [RFC 6/7] drm/i915: Track context current active time Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 15:12 ` [RFC 7/7] drm/i915: Expose client engine utilisation via fdinfo Tvrtko Ursulin 2021-05-20 15:12 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-20 16:26 ` Nieto, David M 2021-05-20 16:26 ` [Intel-gfx] " Nieto, David M 2021-05-20 16:31 ` Christian König 2021-05-20 16:31 ` [Intel-gfx] " Christian König 2021-05-20 17:47 ` Daniel Vetter 2021-05-20 17:47 ` [Intel-gfx] " Daniel Vetter 2021-05-21 12:26 ` Tvrtko Ursulin 2021-05-21 12:26 ` [Intel-gfx] " Tvrtko Ursulin 2021-05-21 12:32 ` Christian König 2021-05-21 12:32 ` [Intel-gfx] " Christian König 2021-05-20 15:55 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Per client engine busyness Patchwork 2021-05-20 15:56 ` [Intel-gfx] ✗ Fi.CI.SPARSE: " Patchwork 2021-05-20 16:26 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork 2021-05-22 0:22 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
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