diff options
Diffstat (limited to 'etnaviv/etnaviv_perfmon.c')
| -rw-r--r-- | etnaviv/etnaviv_perfmon.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/etnaviv/etnaviv_perfmon.c b/etnaviv/etnaviv_perfmon.c new file mode 100644 index 0000000..f6576b8 --- /dev/null +++ b/etnaviv/etnaviv_perfmon.c @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2017 Etnaviv Project + * Copyright (C) 2017 Zodiac Inflight Innovations + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors: + * Christian Gmeiner <christian.gmeiner@gmail.com> + */ + +#include "etnaviv_priv.h" + +static int etna_perfmon_query_signals(struct etna_perfmon *pm, struct etna_perfmon_domain *dom) +{ + struct etna_device *dev = pm->pipe->gpu->dev; + struct drm_etnaviv_pm_signal req = { + .pipe = pm->pipe->id, + .domain = dom->id + }; + + do { + struct etna_perfmon_signal *sig; + int ret; + + ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_PM_QUERY_SIG, &req, sizeof(req)); + if (ret) + break; + + sig = calloc(1, sizeof(*sig)); + if (!sig) + return -ENOMEM; + + INFO_MSG("perfmon signal:"); + INFO_MSG("id = %d", req.id); + INFO_MSG("name = %s", req.name); + + sig->domain = dom; + sig->signal = req.id; + strncpy(sig->name, req.name, sizeof(sig->name)); + list_addtail(&sig->head, &dom->signals); + } while (req.iter != 0xffff); + + return 0; +} + +static int etna_perfmon_query_domains(struct etna_perfmon *pm) +{ + struct etna_device *dev = pm->pipe->gpu->dev; + struct drm_etnaviv_pm_domain req = { + .pipe = pm->pipe->id + }; + + do { + struct etna_perfmon_domain *dom; + int ret; + + ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_PM_QUERY_DOM, &req, sizeof(req)); + if (ret) + break; + + dom = calloc(1, sizeof(*dom)); + if (!dom) + return -ENOMEM; + + list_inithead(&dom->signals); + dom->id = req.id; + strncpy(dom->name, req.name, sizeof(dom->name)); + list_addtail(&dom->head, &pm->domains); + + INFO_MSG("perfmon domain:"); + INFO_MSG("id = %d", req.id); + INFO_MSG("name = %s", req.name); + INFO_MSG("nr_signals = %d", req.nr_signals); + + /* Query all available signals for this domain. */ + if (req.nr_signals > 0) { + ret = etna_perfmon_query_signals(pm, dom); + if (ret) + return ret; + } + } while (req.iter != 0xff); + + return 0; +} + +static void etna_perfmon_free_signals(struct etna_perfmon_domain *dom) +{ + struct etna_perfmon_signal *sig, *next; + + LIST_FOR_EACH_ENTRY_SAFE(sig, next, &dom->signals, head) { + list_del(&sig->head); + free(sig); + } +} + +static void etna_perfmon_free_domains(struct etna_perfmon *pm) +{ + struct etna_perfmon_domain *dom, *next; + + LIST_FOR_EACH_ENTRY_SAFE(dom, next, &pm->domains, head) { + etna_perfmon_free_signals(dom); + list_del(&dom->head); + free(dom); + } +} + +drm_public struct etna_perfmon *etna_perfmon_create(struct etna_pipe *pipe) +{ + struct etna_perfmon *pm; + int ret; + + pm = calloc(1, sizeof(*pm)); + if (!pm) { + ERROR_MSG("allocation failed"); + return NULL; + } + + list_inithead(&pm->domains); + pm->pipe = pipe; + + /* query all available domains and sources for this device */ + ret = etna_perfmon_query_domains(pm); + if (ret) + goto fail; + + return pm; + +fail: + etna_perfmon_del(pm); + return NULL; +} + +drm_public void etna_perfmon_del(struct etna_perfmon *pm) +{ + if (!pm) + return; + + etna_perfmon_free_domains(pm); + free(pm); +} + +drm_public struct etna_perfmon_domain *etna_perfmon_get_dom_by_name(struct etna_perfmon *pm, const char *name) +{ + struct etna_perfmon_domain *dom; + + if (pm) { + LIST_FOR_EACH_ENTRY(dom, &pm->domains, head) { + if (!strcmp(dom->name, name)) + return dom; + } + } + + return NULL; +} + +drm_public struct etna_perfmon_signal *etna_perfmon_get_sig_by_name(struct etna_perfmon_domain *dom, const char *name) +{ + struct etna_perfmon_signal *signal; + + if (dom) { + LIST_FOR_EACH_ENTRY(signal, &dom->signals, head) { + if (!strcmp(signal->name, name)) + return signal; + } + } + + return NULL; +} |