Lines Matching refs:perfmon
12 void v3d_perfmon_get(struct v3d_perfmon *perfmon) in v3d_perfmon_get() argument
14 if (perfmon) in v3d_perfmon_get()
15 refcount_inc(&perfmon->refcnt); in v3d_perfmon_get()
18 void v3d_perfmon_put(struct v3d_perfmon *perfmon) in v3d_perfmon_put() argument
20 if (perfmon && refcount_dec_and_test(&perfmon->refcnt)) in v3d_perfmon_put()
21 kfree(perfmon); in v3d_perfmon_put()
24 void v3d_perfmon_start(struct v3d_dev *v3d, struct v3d_perfmon *perfmon) in v3d_perfmon_start() argument
28 u8 ncounters = perfmon->ncounters; in v3d_perfmon_start()
30 if (WARN_ON_ONCE(!perfmon || v3d->active_perfmon)) in v3d_perfmon_start()
37 u32 channel = V3D_SET_FIELD(perfmon->counters[i], V3D_PCTR_S0); in v3d_perfmon_start()
40 channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0, in v3d_perfmon_start()
43 channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0, in v3d_perfmon_start()
46 channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0, in v3d_perfmon_start()
55 v3d->active_perfmon = perfmon; in v3d_perfmon_start()
58 void v3d_perfmon_stop(struct v3d_dev *v3d, struct v3d_perfmon *perfmon, in v3d_perfmon_stop() argument
63 if (!perfmon || !v3d->active_perfmon) in v3d_perfmon_stop()
66 mutex_lock(&perfmon->lock); in v3d_perfmon_stop()
67 if (perfmon != v3d->active_perfmon) { in v3d_perfmon_stop()
68 mutex_unlock(&perfmon->lock); in v3d_perfmon_stop()
73 for (i = 0; i < perfmon->ncounters; i++) in v3d_perfmon_stop()
74 perfmon->values[i] += V3D_CORE_READ(0, V3D_PCTR_0_PCTRX(i)); in v3d_perfmon_stop()
79 mutex_unlock(&perfmon->lock); in v3d_perfmon_stop()
84 struct v3d_perfmon *perfmon; in v3d_perfmon_find() local
86 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_find()
87 perfmon = idr_find(&v3d_priv->perfmon.idr, id); in v3d_perfmon_find()
88 v3d_perfmon_get(perfmon); in v3d_perfmon_find()
89 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_find()
91 return perfmon; in v3d_perfmon_find()
96 mutex_init(&v3d_priv->perfmon.lock); in v3d_perfmon_open_file()
97 idr_init(&v3d_priv->perfmon.idr); in v3d_perfmon_open_file()
102 struct v3d_perfmon *perfmon = elem; in v3d_perfmon_idr_del() local
104 v3d_perfmon_put(perfmon); in v3d_perfmon_idr_del()
111 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_close_file()
112 idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, NULL); in v3d_perfmon_close_file()
113 idr_destroy(&v3d_priv->perfmon.idr); in v3d_perfmon_close_file()
114 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_close_file()
122 struct v3d_perfmon *perfmon; in v3d_perfmon_create_ioctl() local
137 perfmon = kzalloc(struct_size(perfmon, values, req->ncounters), in v3d_perfmon_create_ioctl()
139 if (!perfmon) in v3d_perfmon_create_ioctl()
143 perfmon->counters[i] = req->counters[i]; in v3d_perfmon_create_ioctl()
145 perfmon->ncounters = req->ncounters; in v3d_perfmon_create_ioctl()
147 refcount_set(&perfmon->refcnt, 1); in v3d_perfmon_create_ioctl()
148 mutex_init(&perfmon->lock); in v3d_perfmon_create_ioctl()
150 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_create_ioctl()
151 ret = idr_alloc(&v3d_priv->perfmon.idr, perfmon, V3D_PERFMONID_MIN, in v3d_perfmon_create_ioctl()
153 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_create_ioctl()
156 kfree(perfmon); in v3d_perfmon_create_ioctl()
170 struct v3d_perfmon *perfmon; in v3d_perfmon_destroy_ioctl() local
172 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_destroy_ioctl()
173 perfmon = idr_remove(&v3d_priv->perfmon.idr, req->id); in v3d_perfmon_destroy_ioctl()
174 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_destroy_ioctl()
176 if (!perfmon) in v3d_perfmon_destroy_ioctl()
179 v3d_perfmon_put(perfmon); in v3d_perfmon_destroy_ioctl()
190 struct v3d_perfmon *perfmon; in v3d_perfmon_get_values_ioctl() local
196 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_get_values_ioctl()
197 perfmon = idr_find(&v3d_priv->perfmon.idr, req->id); in v3d_perfmon_get_values_ioctl()
198 v3d_perfmon_get(perfmon); in v3d_perfmon_get_values_ioctl()
199 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_get_values_ioctl()
201 if (!perfmon) in v3d_perfmon_get_values_ioctl()
204 v3d_perfmon_stop(v3d, perfmon, true); in v3d_perfmon_get_values_ioctl()
206 if (copy_to_user(u64_to_user_ptr(req->values_ptr), perfmon->values, in v3d_perfmon_get_values_ioctl()
207 perfmon->ncounters * sizeof(u64))) in v3d_perfmon_get_values_ioctl()
210 v3d_perfmon_put(perfmon); in v3d_perfmon_get_values_ioctl()