Message ID | 1466437993-21573-3-git-send-email-gustavo@padovan.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Op 20-06-16 om 17:53 schreef Gustavo Padovan: > From: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > > When creating a sync_pt the name received wasn't used anywhere. > Now we add it to the sync info debug output to make it easier to indetify > the userspace name of that sync pt. > > Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > --- > drivers/staging/android/sw_sync.c | 16 ++++------------ > drivers/staging/android/sync_debug.c | 5 +++-- > drivers/staging/android/sync_debug.h | 9 +++++++++ > 3 files changed, 16 insertions(+), 14 deletions(-) > > diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c > index b4ae092..ea27512 100644 > --- a/drivers/staging/android/sw_sync.c > +++ b/drivers/staging/android/sw_sync.c > @@ -37,15 +37,6 @@ struct sw_sync_create_fence_data { > struct sw_sync_create_fence_data) > #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) > > -static const struct fence_ops timeline_fence_ops; > - > -static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) > -{ > - if (fence->ops != &timeline_fence_ops) > - return NULL; > - return container_of(fence, struct sync_pt, base); > -} > - > struct sync_timeline *sync_timeline_create(const char *name) > { > struct sync_timeline *obj; > @@ -108,7 +99,7 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) > } > > static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, > - unsigned int value) > + unsigned int value, char *name) > { > unsigned long flags; > struct sync_pt *pt; > @@ -120,6 +111,7 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, > if (!pt) > return NULL; > > + strlcpy(pt->name, name, sizeof(pt->name)); > spin_lock_irqsave(&obj->child_list_lock, flags); > sync_timeline_get(obj); > fence_init(&pt->base, &timeline_fence_ops, &obj->child_list_lock, > @@ -191,7 +183,7 @@ static void timeline_fence_timeline_value_str(struct fence *fence, > snprintf(str, size, "%d", parent->value); > } > > -static const struct fence_ops timeline_fence_ops = { > +const struct fence_ops timeline_fence_ops = { > .get_driver_name = timeline_fence_get_driver_name, > .get_timeline_name = timeline_fence_get_timeline_name, > .enable_signaling = timeline_fence_enable_signaling, > @@ -252,7 +244,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj, > goto err; > } > > - pt = sync_pt_create(obj, sizeof(*pt), data.value); > + pt = sync_pt_create(obj, sizeof(*pt), data.value, data.name); > if (!pt) { > err = -ENOMEM; > goto err; > diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c > index 4c5a855..b732ea3 100644 > --- a/drivers/staging/android/sync_debug.c > +++ b/drivers/staging/android/sync_debug.c > @@ -75,13 +75,14 @@ static void sync_print_fence(struct seq_file *s, struct fence *fence, bool show) > { > int status = 1; > struct sync_timeline *parent = fence_parent(fence); > + struct sync_pt *pt = fence_to_sync_pt(fence); > > if (fence_is_signaled_locked(fence)) > status = fence->status; > > - seq_printf(s, " %s%sfence %s", > + seq_printf(s, " %s%sfence %s %s", > show ? parent->name : "", > - show ? "_" : "", > + show ? "_" : "", pt->name, > sync_status_str(status)); > NAK, A fence in sync_print_fence can be of any type. If you want to print the name, use the fence_value_str callback. ~Maarten
2016-08-08 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>: > Op 20-06-16 om 17:53 schreef Gustavo Padovan: > > From: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > > > > When creating a sync_pt the name received wasn't used anywhere. > > Now we add it to the sync info debug output to make it easier to indetify > > the userspace name of that sync pt. > > > > Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > > --- > > drivers/staging/android/sw_sync.c | 16 ++++------------ > > drivers/staging/android/sync_debug.c | 5 +++-- > > drivers/staging/android/sync_debug.h | 9 +++++++++ > > 3 files changed, 16 insertions(+), 14 deletions(-) > > > > diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c > > index b4ae092..ea27512 100644 > > --- a/drivers/staging/android/sw_sync.c > > +++ b/drivers/staging/android/sw_sync.c > > @@ -37,15 +37,6 @@ struct sw_sync_create_fence_data { > > struct sw_sync_create_fence_data) > > #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) > > > > -static const struct fence_ops timeline_fence_ops; > > - > > -static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) > > -{ > > - if (fence->ops != &timeline_fence_ops) > > - return NULL; > > - return container_of(fence, struct sync_pt, base); > > -} > > - > > struct sync_timeline *sync_timeline_create(const char *name) > > { > > struct sync_timeline *obj; > > @@ -108,7 +99,7 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) > > } > > > > static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, > > - unsigned int value) > > + unsigned int value, char *name) > > { > > unsigned long flags; > > struct sync_pt *pt; > > @@ -120,6 +111,7 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, > > if (!pt) > > return NULL; > > > > + strlcpy(pt->name, name, sizeof(pt->name)); > > spin_lock_irqsave(&obj->child_list_lock, flags); > > sync_timeline_get(obj); > > fence_init(&pt->base, &timeline_fence_ops, &obj->child_list_lock, > > @@ -191,7 +183,7 @@ static void timeline_fence_timeline_value_str(struct fence *fence, > > snprintf(str, size, "%d", parent->value); > > } > > > > -static const struct fence_ops timeline_fence_ops = { > > +const struct fence_ops timeline_fence_ops = { > > .get_driver_name = timeline_fence_get_driver_name, > > .get_timeline_name = timeline_fence_get_timeline_name, > > .enable_signaling = timeline_fence_enable_signaling, > > @@ -252,7 +244,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj, > > goto err; > > } > > > > - pt = sync_pt_create(obj, sizeof(*pt), data.value); > > + pt = sync_pt_create(obj, sizeof(*pt), data.value, data.name); > > if (!pt) { > > err = -ENOMEM; > > goto err; > > diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c > > index 4c5a855..b732ea3 100644 > > --- a/drivers/staging/android/sync_debug.c > > +++ b/drivers/staging/android/sync_debug.c > > @@ -75,13 +75,14 @@ static void sync_print_fence(struct seq_file *s, struct fence *fence, bool show) > > { > > int status = 1; > > struct sync_timeline *parent = fence_parent(fence); > > + struct sync_pt *pt = fence_to_sync_pt(fence); > > > > if (fence_is_signaled_locked(fence)) > > status = fence->status; > > > > - seq_printf(s, " %s%sfence %s", > > + seq_printf(s, " %s%sfence %s %s", > > show ? parent->name : "", > > - show ? "_" : "", > > + show ? "_" : "", pt->name, > > sync_status_str(status)); > > > NAK, > A fence in sync_print_fence can be of any type. If you want to print the name, use the fence_value_str callback. Indeed. But fence_value_str doesn't return the sync_pt name, but the seqno of that fence. I'll keep this change out for the de-staging and then try to come with something that works better. Gustavo
Op 08-08-16 om 21:59 schreef Gustavo Padovan: > 2016-08-08 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>: > >> Op 20-06-16 om 17:53 schreef Gustavo Padovan: >>> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk> >>> >>> When creating a sync_pt the name received wasn't used anywhere. >>> Now we add it to the sync info debug output to make it easier to indetify >>> the userspace name of that sync pt. >>> >>> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> >>> --- >>> drivers/staging/android/sw_sync.c | 16 ++++------------ >>> drivers/staging/android/sync_debug.c | 5 +++-- >>> drivers/staging/android/sync_debug.h | 9 +++++++++ >>> 3 files changed, 16 insertions(+), 14 deletions(-) >>> >>> diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c >>> index b4ae092..ea27512 100644 >>> --- a/drivers/staging/android/sw_sync.c >>> +++ b/drivers/staging/android/sw_sync.c >>> @@ -37,15 +37,6 @@ struct sw_sync_create_fence_data { >>> struct sw_sync_create_fence_data) >>> #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) >>> >>> -static const struct fence_ops timeline_fence_ops; >>> - >>> -static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) >>> -{ >>> - if (fence->ops != &timeline_fence_ops) >>> - return NULL; >>> - return container_of(fence, struct sync_pt, base); >>> -} >>> - >>> struct sync_timeline *sync_timeline_create(const char *name) >>> { >>> struct sync_timeline *obj; >>> @@ -108,7 +99,7 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) >>> } >>> >>> static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, >>> - unsigned int value) >>> + unsigned int value, char *name) >>> { >>> unsigned long flags; >>> struct sync_pt *pt; >>> @@ -120,6 +111,7 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, >>> if (!pt) >>> return NULL; >>> >>> + strlcpy(pt->name, name, sizeof(pt->name)); >>> spin_lock_irqsave(&obj->child_list_lock, flags); >>> sync_timeline_get(obj); >>> fence_init(&pt->base, &timeline_fence_ops, &obj->child_list_lock, >>> @@ -191,7 +183,7 @@ static void timeline_fence_timeline_value_str(struct fence *fence, >>> snprintf(str, size, "%d", parent->value); >>> } >>> >>> -static const struct fence_ops timeline_fence_ops = { >>> +const struct fence_ops timeline_fence_ops = { >>> .get_driver_name = timeline_fence_get_driver_name, >>> .get_timeline_name = timeline_fence_get_timeline_name, >>> .enable_signaling = timeline_fence_enable_signaling, >>> @@ -252,7 +244,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj, >>> goto err; >>> } >>> >>> - pt = sync_pt_create(obj, sizeof(*pt), data.value); >>> + pt = sync_pt_create(obj, sizeof(*pt), data.value, data.name); >>> if (!pt) { >>> err = -ENOMEM; >>> goto err; >>> diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c >>> index 4c5a855..b732ea3 100644 >>> --- a/drivers/staging/android/sync_debug.c >>> +++ b/drivers/staging/android/sync_debug.c >>> @@ -75,13 +75,14 @@ static void sync_print_fence(struct seq_file *s, struct fence *fence, bool show) >>> { >>> int status = 1; >>> struct sync_timeline *parent = fence_parent(fence); >>> + struct sync_pt *pt = fence_to_sync_pt(fence); >>> >>> if (fence_is_signaled_locked(fence)) >>> status = fence->status; >>> >>> - seq_printf(s, " %s%sfence %s", >>> + seq_printf(s, " %s%sfence %s %s", >>> show ? parent->name : "", >>> - show ? "_" : "", >>> + show ? "_" : "", pt->name, >>> sync_status_str(status)); >>> >> NAK, >> A fence in sync_print_fence can be of any type. If you want to print the name, use the fence_value_str callback. > Indeed. But fence_value_str doesn't return the sync_pt name, but the > seqno of that fence. I'll keep this change out for the de-staging and > then try to come with something that works better. > > Gustavo This will probably cause a kernel panic if you keep it like it is and you look at debugfs for non sync_pt fences, it should definitely be fixed before destaging. Ignoring sync_pt name would be better than crashing. ~Maarten
2016-08-09 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>: > Op 08-08-16 om 21:59 schreef Gustavo Padovan: > > 2016-08-08 Maarten Lankhorst <maarten.lankhorst@linux.intel.com>: > > > >> Op 20-06-16 om 17:53 schreef Gustavo Padovan: > >>> From: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > >>> > >>> When creating a sync_pt the name received wasn't used anywhere. > >>> Now we add it to the sync info debug output to make it easier to indetify > >>> the userspace name of that sync pt. > >>> > >>> Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> > >>> --- > >>> drivers/staging/android/sw_sync.c | 16 ++++------------ > >>> drivers/staging/android/sync_debug.c | 5 +++-- > >>> drivers/staging/android/sync_debug.h | 9 +++++++++ > >>> 3 files changed, 16 insertions(+), 14 deletions(-) > >>> > >>> diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c > >>> index b4ae092..ea27512 100644 > >>> --- a/drivers/staging/android/sw_sync.c > >>> +++ b/drivers/staging/android/sw_sync.c > >>> @@ -37,15 +37,6 @@ struct sw_sync_create_fence_data { > >>> struct sw_sync_create_fence_data) > >>> #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) > >>> > >>> -static const struct fence_ops timeline_fence_ops; > >>> - > >>> -static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) > >>> -{ > >>> - if (fence->ops != &timeline_fence_ops) > >>> - return NULL; > >>> - return container_of(fence, struct sync_pt, base); > >>> -} > >>> - > >>> struct sync_timeline *sync_timeline_create(const char *name) > >>> { > >>> struct sync_timeline *obj; > >>> @@ -108,7 +99,7 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) > >>> } > >>> > >>> static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, > >>> - unsigned int value) > >>> + unsigned int value, char *name) > >>> { > >>> unsigned long flags; > >>> struct sync_pt *pt; > >>> @@ -120,6 +111,7 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, > >>> if (!pt) > >>> return NULL; > >>> > >>> + strlcpy(pt->name, name, sizeof(pt->name)); > >>> spin_lock_irqsave(&obj->child_list_lock, flags); > >>> sync_timeline_get(obj); > >>> fence_init(&pt->base, &timeline_fence_ops, &obj->child_list_lock, > >>> @@ -191,7 +183,7 @@ static void timeline_fence_timeline_value_str(struct fence *fence, > >>> snprintf(str, size, "%d", parent->value); > >>> } > >>> > >>> -static const struct fence_ops timeline_fence_ops = { > >>> +const struct fence_ops timeline_fence_ops = { > >>> .get_driver_name = timeline_fence_get_driver_name, > >>> .get_timeline_name = timeline_fence_get_timeline_name, > >>> .enable_signaling = timeline_fence_enable_signaling, > >>> @@ -252,7 +244,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj, > >>> goto err; > >>> } > >>> > >>> - pt = sync_pt_create(obj, sizeof(*pt), data.value); > >>> + pt = sync_pt_create(obj, sizeof(*pt), data.value, data.name); > >>> if (!pt) { > >>> err = -ENOMEM; > >>> goto err; > >>> diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c > >>> index 4c5a855..b732ea3 100644 > >>> --- a/drivers/staging/android/sync_debug.c > >>> +++ b/drivers/staging/android/sync_debug.c > >>> @@ -75,13 +75,14 @@ static void sync_print_fence(struct seq_file *s, struct fence *fence, bool show) > >>> { > >>> int status = 1; > >>> struct sync_timeline *parent = fence_parent(fence); > >>> + struct sync_pt *pt = fence_to_sync_pt(fence); > >>> > >>> if (fence_is_signaled_locked(fence)) > >>> status = fence->status; > >>> > >>> - seq_printf(s, " %s%sfence %s", > >>> + seq_printf(s, " %s%sfence %s %s", > >>> show ? parent->name : "", > >>> - show ? "_" : "", > >>> + show ? "_" : "", pt->name, > >>> sync_status_str(status)); > >>> > >> NAK, > >> A fence in sync_print_fence can be of any type. If you want to print the name, use the fence_value_str callback. > > Indeed. But fence_value_str doesn't return the sync_pt name, but the > > seqno of that fence. I'll keep this change out for the de-staging and > > then try to come with something that works better. > > > > Gustavo > > This will probably cause a kernel panic if you keep it like it is and you look at > debugfs for non sync_pt fences, it should definitely be fixed before destaging. > Ignoring sync_pt name would be better than crashing. No, I meant ignoring sync_pt name for now. I've already sent v2 without it. Gustavo
diff --git a/drivers/staging/android/sw_sync.c b/drivers/staging/android/sw_sync.c index b4ae092..ea27512 100644 --- a/drivers/staging/android/sw_sync.c +++ b/drivers/staging/android/sw_sync.c @@ -37,15 +37,6 @@ struct sw_sync_create_fence_data { struct sw_sync_create_fence_data) #define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32) -static const struct fence_ops timeline_fence_ops; - -static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) -{ - if (fence->ops != &timeline_fence_ops) - return NULL; - return container_of(fence, struct sync_pt, base); -} - struct sync_timeline *sync_timeline_create(const char *name) { struct sync_timeline *obj; @@ -108,7 +99,7 @@ static void sync_timeline_signal(struct sync_timeline *obj, unsigned int inc) } static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, - unsigned int value) + unsigned int value, char *name) { unsigned long flags; struct sync_pt *pt; @@ -120,6 +111,7 @@ static struct sync_pt *sync_pt_create(struct sync_timeline *obj, int size, if (!pt) return NULL; + strlcpy(pt->name, name, sizeof(pt->name)); spin_lock_irqsave(&obj->child_list_lock, flags); sync_timeline_get(obj); fence_init(&pt->base, &timeline_fence_ops, &obj->child_list_lock, @@ -191,7 +183,7 @@ static void timeline_fence_timeline_value_str(struct fence *fence, snprintf(str, size, "%d", parent->value); } -static const struct fence_ops timeline_fence_ops = { +const struct fence_ops timeline_fence_ops = { .get_driver_name = timeline_fence_get_driver_name, .get_timeline_name = timeline_fence_get_timeline_name, .enable_signaling = timeline_fence_enable_signaling, @@ -252,7 +244,7 @@ static long sw_sync_ioctl_create_fence(struct sync_timeline *obj, goto err; } - pt = sync_pt_create(obj, sizeof(*pt), data.value); + pt = sync_pt_create(obj, sizeof(*pt), data.value, data.name); if (!pt) { err = -ENOMEM; goto err; diff --git a/drivers/staging/android/sync_debug.c b/drivers/staging/android/sync_debug.c index 4c5a855..b732ea3 100644 --- a/drivers/staging/android/sync_debug.c +++ b/drivers/staging/android/sync_debug.c @@ -75,13 +75,14 @@ static void sync_print_fence(struct seq_file *s, struct fence *fence, bool show) { int status = 1; struct sync_timeline *parent = fence_parent(fence); + struct sync_pt *pt = fence_to_sync_pt(fence); if (fence_is_signaled_locked(fence)) status = fence->status; - seq_printf(s, " %s%sfence %s", + seq_printf(s, " %s%sfence %s %s", show ? parent->name : "", - show ? "_" : "", + show ? "_" : "", pt->name, sync_status_str(status)); if (status <= 0) { diff --git a/drivers/staging/android/sync_debug.h b/drivers/staging/android/sync_debug.h index c44f447..c14587c 100644 --- a/drivers/staging/android/sync_debug.h +++ b/drivers/staging/android/sync_debug.h @@ -43,10 +43,19 @@ static inline struct sync_timeline *fence_parent(struct fence *fence) struct sync_pt { struct fence base; + char name[32]; struct list_head child_list; struct list_head active_list; }; +extern const struct fence_ops timeline_fence_ops; +static inline struct sync_pt *fence_to_sync_pt(struct fence *fence) +{ + if (fence->ops != &timeline_fence_ops) + return NULL; + return container_of(fence, struct sync_pt, base); +} + #ifdef CONFIG_SW_SYNC extern const struct file_operations sw_sync_debugfs_fops;