src/intel/vulkan/anv_perf.c

   1 /*
   2  * Copyright © 2018 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 #include <assert.h>
  25 #include <stdbool.h>
  26 #include <stdint.h>
  27
  28 #include "anv_private.h"
  29
  30 #include "perf/gen_perf.h"
  31 #include "perf/gen_perf_mdapi.h"
  32
  33 struct gen_perf_config *
  34 anv_get_perf(const struct gen_device_info *devinfo, int fd)
  35 {
  36    struct gen_perf_config *perf = gen_perf_new(NULL);
  37
  38    gen_perf_init_metrics(perf, devinfo, fd);
  39
  40    /* We need DRM_I915_PERF_PROP_HOLD_PREEMPTION support, only available in
  41     * perf revision 2.
  42     */
  43    if (anv_gem_get_param(fd, I915_PARAM_PERF_REVISION) < 3)
  44       goto err;
  45
  46    return perf;
  47
  48  err:
  49    ralloc_free(perf);
  50    return NULL;
  51 }
  52
  53 void
  54 anv_device_perf_init(struct anv_device *device)
  55 {
  56    device->perf_fd = -1;
  57 }
  58
  59 static int
  60 anv_device_perf_open(struct anv_device *device, uint64_t metric_id)
  61 {
  62    uint64_t properties[DRM_I915_PERF_PROP_MAX * 2];
  63    struct drm_i915_perf_open_param param;
  64    int p = 0, stream_fd;
  65
  66    properties[p++] = DRM_I915_PERF_PROP_SAMPLE_OA;
  67    properties[p++] = true;
  68
  69    properties[p++] = DRM_I915_PERF_PROP_OA_METRICS_SET;
  70    properties[p++] = metric_id;
  71
  72    properties[p++] = DRM_I915_PERF_PROP_OA_FORMAT;
  73    properties[p++] = device->info.gen >= 8 ?
  74       I915_OA_FORMAT_A32u40_A4u32_B8_C8 :
  75       I915_OA_FORMAT_A45_B8_C8;
  76
  77    properties[p++] = DRM_I915_PERF_PROP_OA_EXPONENT;
  78    properties[p++] = 31; /* slowest sampling period */
  79
  80    properties[p++] = DRM_I915_PERF_PROP_CTX_HANDLE;
  81    properties[p++] = device->context_id;
  82
  83    properties[p++] = DRM_I915_PERF_PROP_HOLD_PREEMPTION;
  84    properties[p++] = true;
  85
  86    memset(&param, 0, sizeof(param));
  87    param.flags = 0;
  88    param.flags |= I915_PERF_FLAG_FD_CLOEXEC | I915_PERF_FLAG_FD_NONBLOCK;
  89    param.properties_ptr = (uintptr_t)properties;
  90    param.num_properties = p / 2;
  91
  92    stream_fd = gen_ioctl(device->fd, DRM_IOCTL_I915_PERF_OPEN, &param);
  93    return stream_fd;
  94 }
  95
  96 VkResult anv_InitializePerformanceApiINTEL(
  97     VkDevice                                    _device,
  98     const VkInitializePerformanceApiInfoINTEL*  pInitializeInfo)
  99 {
 100    ANV_FROM_HANDLE(anv_device, device, _device);
 101    const struct anv_physical_device *pdevice = &device->instance->physicalDevice;
 102
 103    if (!pdevice->perf)
 104       return VK_ERROR_EXTENSION_NOT_PRESENT;
 105
 106    /* Not much to do here */
 107    return VK_SUCCESS;
 108 }
 109
 110 VkResult anv_GetPerformanceParameterINTEL(
 111     VkDevice                                    _device,
 112     VkPerformanceParameterTypeINTEL             parameter,
 113     VkPerformanceValueINTEL*                    pValue)
 114 {
 115       ANV_FROM_HANDLE(anv_device, device, _device);
 116       const struct anv_physical_device *pdevice = &device->instance->physicalDevice;
 117
 118       if (!pdevice->perf)
 119          return VK_ERROR_EXTENSION_NOT_PRESENT;
 120
 121       VkResult result = VK_SUCCESS;
 122       switch (parameter) {
 123       case VK_PERFORMANCE_PARAMETER_TYPE_HW_COUNTERS_SUPPORTED_INTEL:
 124          pValue->type = VK_PERFORMANCE_VALUE_TYPE_BOOL_INTEL;
 125          pValue->data.valueBool = VK_TRUE;
 126          break;
 127
 128       case VK_PERFORMANCE_PARAMETER_TYPE_STREAM_MARKER_VALID_BITS_INTEL:
 129          pValue->type = VK_PERFORMANCE_VALUE_TYPE_UINT32_INTEL;
 130          pValue->data.value32 = 25;
 131          break;
 132
 133       default:
 134          result = VK_ERROR_FEATURE_NOT_PRESENT;
 135          break;
 136       }
 137
 138       return result;
 139 }
 140
 141 VkResult anv_CmdSetPerformanceMarkerINTEL(
 142     VkCommandBuffer                             commandBuffer,
 143     const VkPerformanceMarkerInfoINTEL*         pMarkerInfo)
 144 {
 145    ANV_FROM_HANDLE(anv_cmd_buffer, cmd_buffer, commandBuffer);
 146
 147    cmd_buffer->intel_perf_marker = pMarkerInfo->marker;
 148
 149    return VK_SUCCESS;
 150 }
 151
 152 VkResult anv_AcquirePerformanceConfigurationINTEL(
 153     VkDevice                                    _device,
 154     const VkPerformanceConfigurationAcquireInfoINTEL* pAcquireInfo,
 155     VkPerformanceConfigurationINTEL*            pConfiguration)
 156 {
 157    ANV_FROM_HANDLE(anv_device, device, _device);
 158    const struct anv_physical_device *pdevice = &device->instance->physicalDevice;
 159
 160    struct gen_perf_registers *perf_config =
 161       gen_perf_load_configuration(pdevice->perf, device->fd,
 162                                   GEN_PERF_QUERY_GUID_MDAPI);
 163    if (!perf_config)
 164       return VK_INCOMPLETE;
 165
 166    int ret = gen_perf_store_configuration(pdevice->perf, device->fd,
 167                                           perf_config, NULL /* guid */);
 168    if (ret < 0) {
 169       ralloc_free(perf_config);
 170       return VK_INCOMPLETE;
 171    }
 172
 173    *pConfiguration = (VkPerformanceConfigurationINTEL) (uint64_t) ret;
 174
 175    return VK_SUCCESS;
 176 }
 177
 178 VkResult anv_ReleasePerformanceConfigurationINTEL(
 179     VkDevice                                    _device,
 180     VkPerformanceConfigurationINTEL             _configuration)
 181 {
 182    ANV_FROM_HANDLE(anv_device, device, _device);
 183    uint64_t config = (uint64_t) _configuration;
 184
 185    gen_ioctl(device->fd, DRM_IOCTL_I915_PERF_REMOVE_CONFIG, &config);
 186
 187    return VK_SUCCESS;
 188 }
 189
 190 VkResult anv_QueueSetPerformanceConfigurationINTEL(
 191     VkQueue                                     _queue,
 192     VkPerformanceConfigurationINTEL             _configuration)
 193 {
 194    ANV_FROM_HANDLE(anv_queue, queue, _queue);
 195    struct anv_device *device = queue->device;
 196    uint64_t configuration = (uint64_t) _configuration;
 197
 198    if (device->perf_fd < 0) {
 199       device->perf_fd = anv_device_perf_open(device, configuration);
 200       if (device->perf_fd < 0)
 201          return VK_ERROR_INITIALIZATION_FAILED;
 202    } else {
 203       int ret = gen_ioctl(device->perf_fd, I915_PERF_IOCTL_CONFIG,
 204                           (void *)(uintptr_t) _configuration);
 205       if (ret < 0) {
 206          return anv_device_set_lost(device,
 207                                     "i915-perf config failed: %s",
 208                                     strerror(ret));
 209       }
 210    }
 211
 212    return VK_SUCCESS;
 213 }
 214
 215 void anv_UninitializePerformanceApiINTEL(
 216     VkDevice                                    _device)
 217 {
 218    ANV_FROM_HANDLE(anv_device, device, _device);
 219
 220    if (device->perf_fd >= 0) {
 221       close(device->perf_fd);
 222       device->perf_fd = -1;
 223    }
 224 }