Lines Matching refs:perfmon
12 void v3d_perfmon_get(struct v3d_perfmon *perfmon)
14 if (perfmon)
15 refcount_inc(&perfmon->refcnt);
18 void v3d_perfmon_put(struct v3d_perfmon *perfmon)
20 if (perfmon && refcount_dec_and_test(&perfmon->refcnt)) {
21 mutex_destroy(&perfmon->lock);
22 kfree(perfmon);
26 void v3d_perfmon_start(struct v3d_dev *v3d, struct v3d_perfmon *perfmon)
32 if (WARN_ON_ONCE(!perfmon || v3d->active_perfmon))
35 ncounters = perfmon->ncounters;
40 u32 channel = V3D_SET_FIELD(perfmon->counters[i], V3D_PCTR_S0);
43 channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,
46 channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,
49 channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,
58 v3d->active_perfmon = perfmon;
61 void v3d_perfmon_stop(struct v3d_dev *v3d, struct v3d_perfmon *perfmon,
66 if (!perfmon || !v3d->active_perfmon)
69 mutex_lock(&perfmon->lock);
70 if (perfmon != v3d->active_perfmon) {
71 mutex_unlock(&perfmon->lock);
76 for (i = 0; i < perfmon->ncounters; i++)
77 perfmon->values[i] += V3D_CORE_READ(0, V3D_PCTR_0_PCTRX(i));
82 mutex_unlock(&perfmon->lock);
87 struct v3d_perfmon *perfmon;
89 mutex_lock(&v3d_priv->perfmon.lock);
90 perfmon = idr_find(&v3d_priv->perfmon.idr, id);
91 v3d_perfmon_get(perfmon);
92 mutex_unlock(&v3d_priv->perfmon.lock);
94 return perfmon;
99 mutex_init(&v3d_priv->perfmon.lock);
100 idr_init_base(&v3d_priv->perfmon.idr, 1);
105 struct v3d_perfmon *perfmon = elem;
107 v3d_perfmon_put(perfmon);
114 mutex_lock(&v3d_priv->perfmon.lock);
115 idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, NULL);
116 idr_destroy(&v3d_priv->perfmon.idr);
117 mutex_unlock(&v3d_priv->perfmon.lock);
118 mutex_destroy(&v3d_priv->perfmon.lock);
126 struct v3d_perfmon *perfmon;
141 perfmon = kzalloc(struct_size(perfmon, values, req->ncounters),
143 if (!perfmon)
147 perfmon->counters[i] = req->counters[i];
149 perfmon->ncounters = req->ncounters;
151 refcount_set(&perfmon->refcnt, 1);
152 mutex_init(&perfmon->lock);
154 mutex_lock(&v3d_priv->perfmon.lock);
155 ret = idr_alloc(&v3d_priv->perfmon.idr, perfmon, V3D_PERFMONID_MIN,
157 mutex_unlock(&v3d_priv->perfmon.lock);
160 mutex_destroy(&perfmon->lock);
161 kfree(perfmon);
175 struct v3d_perfmon *perfmon;
177 mutex_lock(&v3d_priv->perfmon.lock);
178 perfmon = idr_remove(&v3d_priv->perfmon.idr, req->id);
179 mutex_unlock(&v3d_priv->perfmon.lock);
181 if (!perfmon)
184 v3d_perfmon_put(perfmon);
195 struct v3d_perfmon *perfmon;
201 mutex_lock(&v3d_priv->perfmon.lock);
202 perfmon = idr_find(&v3d_priv->perfmon.idr, req->id);
203 v3d_perfmon_get(perfmon);
204 mutex_unlock(&v3d_priv->perfmon.lock);
206 if (!perfmon)
209 v3d_perfmon_stop(v3d, perfmon, true);
211 if (copy_to_user(u64_to_user_ptr(req->values_ptr), perfmon->values,
212 perfmon->ncounters * sizeof(u64)))
215 v3d_perfmon_put(perfmon);