Lines Matching refs:perfmon
215 void v3d_perfmon_get(struct v3d_perfmon *perfmon) in v3d_perfmon_get() argument
217 if (perfmon) in v3d_perfmon_get()
218 refcount_inc(&perfmon->refcnt); in v3d_perfmon_get()
221 void v3d_perfmon_put(struct v3d_perfmon *perfmon) in v3d_perfmon_put() argument
223 if (perfmon && refcount_dec_and_test(&perfmon->refcnt)) { in v3d_perfmon_put()
224 mutex_destroy(&perfmon->lock); in v3d_perfmon_put()
225 kfree(perfmon); in v3d_perfmon_put()
229 void v3d_perfmon_start(struct v3d_dev *v3d, struct v3d_perfmon *perfmon) in v3d_perfmon_start() argument
235 if (WARN_ON_ONCE(!perfmon || v3d->active_perfmon)) in v3d_perfmon_start()
238 ncounters = perfmon->ncounters; in v3d_perfmon_start()
243 u32 channel = V3D_SET_FIELD_VER(perfmon->counters[i], V3D_PCTR_S0, in v3d_perfmon_start()
247 channel |= V3D_SET_FIELD_VER(i < ncounters ? perfmon->counters[i] : 0, in v3d_perfmon_start()
250 channel |= V3D_SET_FIELD_VER(i < ncounters ? perfmon->counters[i] : 0, in v3d_perfmon_start()
253 channel |= V3D_SET_FIELD_VER(i < ncounters ? perfmon->counters[i] : 0, in v3d_perfmon_start()
262 v3d->active_perfmon = perfmon; in v3d_perfmon_start()
265 void v3d_perfmon_stop(struct v3d_dev *v3d, struct v3d_perfmon *perfmon, in v3d_perfmon_stop() argument
270 if (!perfmon || !v3d->active_perfmon) in v3d_perfmon_stop()
273 mutex_lock(&perfmon->lock); in v3d_perfmon_stop()
274 if (perfmon != v3d->active_perfmon) { in v3d_perfmon_stop()
275 mutex_unlock(&perfmon->lock); in v3d_perfmon_stop()
280 for (i = 0; i < perfmon->ncounters; i++) in v3d_perfmon_stop()
281 perfmon->values[i] += V3D_CORE_READ(0, V3D_PCTR_0_PCTRX(i)); in v3d_perfmon_stop()
286 mutex_unlock(&perfmon->lock); in v3d_perfmon_stop()
291 struct v3d_perfmon *perfmon; in v3d_perfmon_find() local
293 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_find()
294 perfmon = idr_find(&v3d_priv->perfmon.idr, id); in v3d_perfmon_find()
295 v3d_perfmon_get(perfmon); in v3d_perfmon_find()
296 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_find()
298 return perfmon; in v3d_perfmon_find()
303 mutex_init(&v3d_priv->perfmon.lock); in v3d_perfmon_open_file()
304 idr_init_base(&v3d_priv->perfmon.idr, 1); in v3d_perfmon_open_file()
309 struct v3d_perfmon *perfmon = elem; in v3d_perfmon_idr_del() local
313 if (perfmon == v3d->active_perfmon) in v3d_perfmon_idr_del()
314 v3d_perfmon_stop(v3d, perfmon, false); in v3d_perfmon_idr_del()
317 cmpxchg(&v3d->global_perfmon, perfmon, NULL); in v3d_perfmon_idr_del()
319 v3d_perfmon_put(perfmon); in v3d_perfmon_idr_del()
328 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_close_file()
329 idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, v3d); in v3d_perfmon_close_file()
330 idr_destroy(&v3d_priv->perfmon.idr); in v3d_perfmon_close_file()
331 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_close_file()
332 mutex_destroy(&v3d_priv->perfmon.lock); in v3d_perfmon_close_file()
341 struct v3d_perfmon *perfmon; in v3d_perfmon_create_ioctl() local
356 perfmon = kzalloc(struct_size(perfmon, values, req->ncounters), in v3d_perfmon_create_ioctl()
358 if (!perfmon) in v3d_perfmon_create_ioctl()
362 perfmon->counters[i] = req->counters[i]; in v3d_perfmon_create_ioctl()
364 perfmon->ncounters = req->ncounters; in v3d_perfmon_create_ioctl()
366 refcount_set(&perfmon->refcnt, 1); in v3d_perfmon_create_ioctl()
367 mutex_init(&perfmon->lock); in v3d_perfmon_create_ioctl()
369 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_create_ioctl()
370 ret = idr_alloc(&v3d_priv->perfmon.idr, perfmon, V3D_PERFMONID_MIN, in v3d_perfmon_create_ioctl()
372 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_create_ioctl()
375 mutex_destroy(&perfmon->lock); in v3d_perfmon_create_ioctl()
376 kfree(perfmon); in v3d_perfmon_create_ioctl()
391 struct v3d_perfmon *perfmon; in v3d_perfmon_destroy_ioctl() local
393 mutex_lock(&v3d_priv->perfmon.lock); in v3d_perfmon_destroy_ioctl()
394 perfmon = idr_remove(&v3d_priv->perfmon.idr, req->id); in v3d_perfmon_destroy_ioctl()
395 mutex_unlock(&v3d_priv->perfmon.lock); in v3d_perfmon_destroy_ioctl()
397 if (!perfmon) in v3d_perfmon_destroy_ioctl()
401 if (perfmon == v3d->active_perfmon) in v3d_perfmon_destroy_ioctl()
402 v3d_perfmon_stop(v3d, perfmon, false); in v3d_perfmon_destroy_ioctl()
405 cmpxchg(&v3d->global_perfmon, perfmon, NULL); in v3d_perfmon_destroy_ioctl()
407 v3d_perfmon_put(perfmon); in v3d_perfmon_destroy_ioctl()
418 struct v3d_perfmon *perfmon; in v3d_perfmon_get_values_ioctl() local
424 perfmon = v3d_perfmon_find(v3d_priv, req->id); in v3d_perfmon_get_values_ioctl()
425 if (!perfmon) in v3d_perfmon_get_values_ioctl()
428 v3d_perfmon_stop(v3d, perfmon, true); in v3d_perfmon_get_values_ioctl()
430 if (copy_to_user(u64_to_user_ptr(req->values_ptr), perfmon->values, in v3d_perfmon_get_values_ioctl()
431 perfmon->ncounters * sizeof(u64))) in v3d_perfmon_get_values_ioctl()
434 v3d_perfmon_put(perfmon); in v3d_perfmon_get_values_ioctl()
473 struct v3d_perfmon *perfmon; in v3d_perfmon_set_global_ioctl() local
478 perfmon = v3d_perfmon_find(v3d_priv, req->id); in v3d_perfmon_set_global_ioctl()
479 if (!perfmon) in v3d_perfmon_set_global_ioctl()
492 if (cmpxchg(&v3d->global_perfmon, NULL, perfmon)) in v3d_perfmon_set_global_ioctl()