1430 lines
48 KiB
C
1430 lines
48 KiB
C
/*
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* Copyright © 2018 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <dirent.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <errno.h>
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#ifndef HAVE_DIRENT_D_TYPE
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#include <limits.h> // PATH_MAX
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#endif
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#include <drm-uapi/i915_drm.h>
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#include "common/intel_gem.h"
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#include "dev/intel_debug.h"
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#include "dev/intel_device_info.h"
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#include "perf/intel_perf.h"
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#include "perf/intel_perf_regs.h"
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#include "perf/intel_perf_mdapi.h"
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#include "perf/intel_perf_metrics.h"
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#include "perf/intel_perf_private.h"
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#include "util/bitscan.h"
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#include "util/macros.h"
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#include "util/mesa-sha1.h"
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#include "util/u_math.h"
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#define FILE_DEBUG_FLAG DEBUG_PERFMON
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static bool
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is_dir_or_link(const struct dirent *entry, const char *parent_dir)
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{
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#ifdef HAVE_DIRENT_D_TYPE
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return entry->d_type == DT_DIR || entry->d_type == DT_LNK;
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#else
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struct stat st;
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char path[PATH_MAX + 1];
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snprintf(path, sizeof(path), "%s/%s", parent_dir, entry->d_name);
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lstat(path, &st);
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return S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode);
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#endif
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}
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static bool
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get_sysfs_dev_dir(struct intel_perf_config *perf, int fd)
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{
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struct stat sb;
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int min, maj;
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DIR *drmdir;
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struct dirent *drm_entry;
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int len;
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perf->sysfs_dev_dir[0] = '\0';
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if (INTEL_DEBUG(DEBUG_NO_OACONFIG))
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return true;
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if (fstat(fd, &sb)) {
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DBG("Failed to stat DRM fd\n");
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return false;
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}
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maj = major(sb.st_rdev);
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min = minor(sb.st_rdev);
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if (!S_ISCHR(sb.st_mode)) {
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DBG("DRM fd is not a character device as expected\n");
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return false;
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}
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len = snprintf(perf->sysfs_dev_dir,
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sizeof(perf->sysfs_dev_dir),
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"/sys/dev/char/%d:%d/device/drm", maj, min);
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if (len < 0 || len >= sizeof(perf->sysfs_dev_dir)) {
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DBG("Failed to concatenate sysfs path to drm device\n");
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return false;
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}
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drmdir = opendir(perf->sysfs_dev_dir);
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if (!drmdir) {
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DBG("Failed to open %s: %m\n", perf->sysfs_dev_dir);
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return false;
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}
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while ((drm_entry = readdir(drmdir))) {
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if (is_dir_or_link(drm_entry, perf->sysfs_dev_dir) &&
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strncmp(drm_entry->d_name, "card", 4) == 0)
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{
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len = snprintf(perf->sysfs_dev_dir,
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sizeof(perf->sysfs_dev_dir),
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"/sys/dev/char/%d:%d/device/drm/%s",
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maj, min, drm_entry->d_name);
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closedir(drmdir);
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if (len < 0 || len >= sizeof(perf->sysfs_dev_dir))
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return false;
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else
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return true;
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}
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}
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closedir(drmdir);
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DBG("Failed to find cardX directory under /sys/dev/char/%d:%d/device/drm\n",
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maj, min);
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return false;
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}
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static bool
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read_file_uint64(const char *file, uint64_t *val)
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{
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char buf[32];
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int fd, n;
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fd = open(file, 0);
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if (fd < 0)
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return false;
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while ((n = read(fd, buf, sizeof (buf) - 1)) < 0 &&
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errno == EINTR);
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close(fd);
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if (n < 0)
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return false;
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buf[n] = '\0';
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*val = strtoull(buf, NULL, 0);
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return true;
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}
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static bool
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read_sysfs_drm_device_file_uint64(struct intel_perf_config *perf,
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const char *file,
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uint64_t *value)
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{
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char buf[512];
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int len;
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len = snprintf(buf, sizeof(buf), "%s/%s", perf->sysfs_dev_dir, file);
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if (len < 0 || len >= sizeof(buf)) {
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DBG("Failed to concatenate sys filename to read u64 from\n");
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return false;
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}
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return read_file_uint64(buf, value);
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}
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static void
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register_oa_config(struct intel_perf_config *perf,
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const struct intel_device_info *devinfo,
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const struct intel_perf_query_info *query,
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uint64_t config_id)
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{
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struct intel_perf_query_info *registered_query =
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intel_perf_append_query_info(perf, 0);
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*registered_query = *query;
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registered_query->oa_metrics_set_id = config_id;
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DBG("metric set registered: id = %" PRIu64", guid = %s\n",
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registered_query->oa_metrics_set_id, query->guid);
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}
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static void
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enumerate_sysfs_metrics(struct intel_perf_config *perf,
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const struct intel_device_info *devinfo)
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{
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DIR *metricsdir = NULL;
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struct dirent *metric_entry;
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char buf[256];
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int len;
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len = snprintf(buf, sizeof(buf), "%s/metrics", perf->sysfs_dev_dir);
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if (len < 0 || len >= sizeof(buf)) {
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DBG("Failed to concatenate path to sysfs metrics/ directory\n");
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return;
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}
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metricsdir = opendir(buf);
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if (!metricsdir) {
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DBG("Failed to open %s: %m\n", buf);
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return;
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}
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while ((metric_entry = readdir(metricsdir))) {
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struct hash_entry *entry;
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if (!is_dir_or_link(metric_entry, buf) ||
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metric_entry->d_name[0] == '.')
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continue;
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DBG("metric set: %s\n", metric_entry->d_name);
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entry = _mesa_hash_table_search(perf->oa_metrics_table,
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metric_entry->d_name);
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if (entry) {
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uint64_t id;
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if (!intel_perf_load_metric_id(perf, metric_entry->d_name, &id)) {
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DBG("Failed to read metric set id from %s: %m", buf);
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continue;
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}
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register_oa_config(perf, devinfo,
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(const struct intel_perf_query_info *)entry->data, id);
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} else
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DBG("metric set not known by mesa (skipping)\n");
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}
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closedir(metricsdir);
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}
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static void
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add_all_metrics(struct intel_perf_config *perf,
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const struct intel_device_info *devinfo)
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{
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hash_table_foreach(perf->oa_metrics_table, entry) {
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const struct intel_perf_query_info *query = entry->data;
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register_oa_config(perf, devinfo, query, 0);
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}
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}
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static bool
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kernel_has_dynamic_config_support(struct intel_perf_config *perf, int fd)
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{
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uint64_t invalid_config_id = UINT64_MAX;
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return intel_ioctl(fd, DRM_IOCTL_I915_PERF_REMOVE_CONFIG,
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&invalid_config_id) < 0 && errno == ENOENT;
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}
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static bool
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i915_query_perf_config_supported(struct intel_perf_config *perf, int fd)
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{
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int32_t length = 0;
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return !intel_i915_query_flags(fd, DRM_I915_QUERY_PERF_CONFIG,
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DRM_I915_QUERY_PERF_CONFIG_LIST,
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NULL, &length);
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}
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static bool
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i915_query_perf_config_data(struct intel_perf_config *perf,
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int fd, const char *guid,
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struct drm_i915_perf_oa_config *config)
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{
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char data[sizeof(struct drm_i915_query_perf_config) +
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sizeof(struct drm_i915_perf_oa_config)] = {};
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struct drm_i915_query_perf_config *query = (void *)data;
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memcpy(query->uuid, guid, sizeof(query->uuid));
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memcpy(query->data, config, sizeof(*config));
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int32_t item_length = sizeof(data);
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if (intel_i915_query_flags(fd, DRM_I915_QUERY_PERF_CONFIG,
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DRM_I915_QUERY_PERF_CONFIG_DATA_FOR_UUID,
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query, &item_length))
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return false;
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memcpy(config, query->data, sizeof(*config));
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return true;
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}
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bool
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intel_perf_load_metric_id(struct intel_perf_config *perf_cfg,
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const char *guid,
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uint64_t *metric_id)
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{
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char config_path[280];
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snprintf(config_path, sizeof(config_path), "%s/metrics/%s/id",
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perf_cfg->sysfs_dev_dir, guid);
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/* Don't recreate already loaded configs. */
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return read_file_uint64(config_path, metric_id);
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}
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static uint64_t
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i915_add_config(struct intel_perf_config *perf, int fd,
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const struct intel_perf_registers *config,
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const char *guid)
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{
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struct drm_i915_perf_oa_config i915_config = { 0, };
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memcpy(i915_config.uuid, guid, sizeof(i915_config.uuid));
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i915_config.n_mux_regs = config->n_mux_regs;
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i915_config.mux_regs_ptr = to_const_user_pointer(config->mux_regs);
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i915_config.n_boolean_regs = config->n_b_counter_regs;
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i915_config.boolean_regs_ptr = to_const_user_pointer(config->b_counter_regs);
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i915_config.n_flex_regs = config->n_flex_regs;
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i915_config.flex_regs_ptr = to_const_user_pointer(config->flex_regs);
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int ret = intel_ioctl(fd, DRM_IOCTL_I915_PERF_ADD_CONFIG, &i915_config);
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return ret > 0 ? ret : 0;
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}
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static void
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init_oa_configs(struct intel_perf_config *perf, int fd,
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const struct intel_device_info *devinfo)
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{
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hash_table_foreach(perf->oa_metrics_table, entry) {
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const struct intel_perf_query_info *query = entry->data;
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uint64_t config_id;
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if (intel_perf_load_metric_id(perf, query->guid, &config_id)) {
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DBG("metric set: %s (already loaded)\n", query->guid);
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register_oa_config(perf, devinfo, query, config_id);
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continue;
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}
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int ret = i915_add_config(perf, fd, &query->config, query->guid);
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if (ret < 0) {
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DBG("Failed to load \"%s\" (%s) metrics set in kernel: %s\n",
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query->name, query->guid, strerror(errno));
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continue;
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}
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register_oa_config(perf, devinfo, query, ret);
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DBG("metric set: %s (added)\n", query->guid);
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}
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}
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static void
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compute_topology_builtins(struct intel_perf_config *perf)
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{
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const struct intel_device_info *devinfo = &perf->devinfo;
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perf->sys_vars.slice_mask = devinfo->slice_masks;
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perf->sys_vars.n_eu_slices = devinfo->num_slices;
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perf->sys_vars.n_eu_slice0123 = 0;
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for (int s = 0; s < MIN2(4, devinfo->max_slices); s++) {
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if (!intel_device_info_slice_available(devinfo, s))
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continue;
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for (int ss = 0; ss < devinfo->max_subslices_per_slice; ss++) {
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if (!intel_device_info_subslice_available(devinfo, s, ss))
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continue;
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for (int eu = 0; eu < devinfo->max_eus_per_subslice; eu++) {
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if (intel_device_info_eu_available(devinfo, s, ss, eu))
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perf->sys_vars.n_eu_slice0123++;
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}
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}
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}
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for (int i = 0; i < sizeof(devinfo->subslice_masks[i]); i++) {
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perf->sys_vars.n_eu_sub_slices +=
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util_bitcount(devinfo->subslice_masks[i]);
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}
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for (int i = 0; i < sizeof(devinfo->eu_masks); i++)
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perf->sys_vars.n_eus += util_bitcount(devinfo->eu_masks[i]);
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/* The subslice mask builtin contains bits for all slices. Prior to Gfx11
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* it had groups of 3bits for each slice, on Gfx11 and above it's 8bits for
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* each slice.
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*
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* Ideally equations would be updated to have a slice/subslice query
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* function/operator.
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*/
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perf->sys_vars.subslice_mask = 0;
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int bits_per_subslice = devinfo->ver >= 11 ? 8 : 3;
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for (int s = 0; s < util_last_bit(devinfo->slice_masks); s++) {
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for (int ss = 0; ss < (devinfo->subslice_slice_stride * 8); ss++) {
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if (intel_device_info_subslice_available(devinfo, s, ss))
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perf->sys_vars.subslice_mask |= 1ULL << (s * bits_per_subslice + ss);
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}
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}
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}
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static bool
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init_oa_sys_vars(struct intel_perf_config *perf,
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bool use_register_snapshots)
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{
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uint64_t min_freq_mhz = 0, max_freq_mhz = 0;
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if (!INTEL_DEBUG(DEBUG_NO_OACONFIG)) {
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if (!read_sysfs_drm_device_file_uint64(perf, "gt_min_freq_mhz", &min_freq_mhz))
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return false;
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if (!read_sysfs_drm_device_file_uint64(perf, "gt_max_freq_mhz", &max_freq_mhz))
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return false;
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} else {
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min_freq_mhz = 300;
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max_freq_mhz = 1000;
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}
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memset(&perf->sys_vars, 0, sizeof(perf->sys_vars));
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perf->sys_vars.gt_min_freq = min_freq_mhz * 1000000;
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perf->sys_vars.gt_max_freq = max_freq_mhz * 1000000;
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perf->sys_vars.query_mode = use_register_snapshots;
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compute_topology_builtins(perf);
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return true;
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}
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typedef void (*perf_register_oa_queries_t)(struct intel_perf_config *);
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static perf_register_oa_queries_t
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get_register_queries_function(const struct intel_device_info *devinfo)
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{
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switch (devinfo->platform) {
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case INTEL_PLATFORM_HSW:
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return intel_oa_register_queries_hsw;
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case INTEL_PLATFORM_CHV:
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return intel_oa_register_queries_chv;
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case INTEL_PLATFORM_BDW:
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return intel_oa_register_queries_bdw;
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case INTEL_PLATFORM_BXT:
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return intel_oa_register_queries_bxt;
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case INTEL_PLATFORM_SKL:
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if (devinfo->gt == 2)
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return intel_oa_register_queries_sklgt2;
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if (devinfo->gt == 3)
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return intel_oa_register_queries_sklgt3;
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if (devinfo->gt == 4)
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return intel_oa_register_queries_sklgt4;
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return NULL;
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case INTEL_PLATFORM_KBL:
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if (devinfo->gt == 2)
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return intel_oa_register_queries_kblgt2;
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if (devinfo->gt == 3)
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return intel_oa_register_queries_kblgt3;
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return NULL;
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case INTEL_PLATFORM_GLK:
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return intel_oa_register_queries_glk;
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case INTEL_PLATFORM_CFL:
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if (devinfo->gt == 2)
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return intel_oa_register_queries_cflgt2;
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if (devinfo->gt == 3)
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return intel_oa_register_queries_cflgt3;
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return NULL;
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case INTEL_PLATFORM_ICL:
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return intel_oa_register_queries_icl;
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case INTEL_PLATFORM_EHL:
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return intel_oa_register_queries_ehl;
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case INTEL_PLATFORM_TGL:
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if (devinfo->gt == 1)
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return intel_oa_register_queries_tglgt1;
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if (devinfo->gt == 2)
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return intel_oa_register_queries_tglgt2;
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return NULL;
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case INTEL_PLATFORM_RKL:
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return intel_oa_register_queries_rkl;
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case INTEL_PLATFORM_DG1:
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return intel_oa_register_queries_dg1;
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case INTEL_PLATFORM_ADL:
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return intel_oa_register_queries_adl;
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default:
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return NULL;
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}
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}
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static int
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intel_perf_compare_counter_names(const void *v1, const void *v2)
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{
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const struct intel_perf_query_counter *c1 = v1;
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const struct intel_perf_query_counter *c2 = v2;
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return strcmp(c1->name, c2->name);
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}
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static void
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sort_query(struct intel_perf_query_info *q)
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{
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qsort(q->counters, q->n_counters, sizeof(q->counters[0]),
|
|
intel_perf_compare_counter_names);
|
|
}
|
|
|
|
static void
|
|
load_pipeline_statistic_metrics(struct intel_perf_config *perf_cfg,
|
|
const struct intel_device_info *devinfo)
|
|
{
|
|
struct intel_perf_query_info *query =
|
|
intel_perf_append_query_info(perf_cfg, MAX_STAT_COUNTERS);
|
|
|
|
query->kind = INTEL_PERF_QUERY_TYPE_PIPELINE;
|
|
query->name = "Pipeline Statistics Registers";
|
|
|
|
intel_perf_query_add_basic_stat_reg(query, IA_VERTICES_COUNT,
|
|
"N vertices submitted");
|
|
intel_perf_query_add_basic_stat_reg(query, IA_PRIMITIVES_COUNT,
|
|
"N primitives submitted");
|
|
intel_perf_query_add_basic_stat_reg(query, VS_INVOCATION_COUNT,
|
|
"N vertex shader invocations");
|
|
|
|
if (devinfo->ver == 6) {
|
|
intel_perf_query_add_stat_reg(query, GFX6_SO_PRIM_STORAGE_NEEDED, 1, 1,
|
|
"SO_PRIM_STORAGE_NEEDED",
|
|
"N geometry shader stream-out primitives (total)");
|
|
intel_perf_query_add_stat_reg(query, GFX6_SO_NUM_PRIMS_WRITTEN, 1, 1,
|
|
"SO_NUM_PRIMS_WRITTEN",
|
|
"N geometry shader stream-out primitives (written)");
|
|
} else {
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_PRIM_STORAGE_NEEDED(0), 1, 1,
|
|
"SO_PRIM_STORAGE_NEEDED (Stream 0)",
|
|
"N stream-out (stream 0) primitives (total)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_PRIM_STORAGE_NEEDED(1), 1, 1,
|
|
"SO_PRIM_STORAGE_NEEDED (Stream 1)",
|
|
"N stream-out (stream 1) primitives (total)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_PRIM_STORAGE_NEEDED(2), 1, 1,
|
|
"SO_PRIM_STORAGE_NEEDED (Stream 2)",
|
|
"N stream-out (stream 2) primitives (total)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_PRIM_STORAGE_NEEDED(3), 1, 1,
|
|
"SO_PRIM_STORAGE_NEEDED (Stream 3)",
|
|
"N stream-out (stream 3) primitives (total)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_NUM_PRIMS_WRITTEN(0), 1, 1,
|
|
"SO_NUM_PRIMS_WRITTEN (Stream 0)",
|
|
"N stream-out (stream 0) primitives (written)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_NUM_PRIMS_WRITTEN(1), 1, 1,
|
|
"SO_NUM_PRIMS_WRITTEN (Stream 1)",
|
|
"N stream-out (stream 1) primitives (written)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_NUM_PRIMS_WRITTEN(2), 1, 1,
|
|
"SO_NUM_PRIMS_WRITTEN (Stream 2)",
|
|
"N stream-out (stream 2) primitives (written)");
|
|
intel_perf_query_add_stat_reg(query, GFX7_SO_NUM_PRIMS_WRITTEN(3), 1, 1,
|
|
"SO_NUM_PRIMS_WRITTEN (Stream 3)",
|
|
"N stream-out (stream 3) primitives (written)");
|
|
}
|
|
|
|
intel_perf_query_add_basic_stat_reg(query, HS_INVOCATION_COUNT,
|
|
"N TCS shader invocations");
|
|
intel_perf_query_add_basic_stat_reg(query, DS_INVOCATION_COUNT,
|
|
"N TES shader invocations");
|
|
|
|
intel_perf_query_add_basic_stat_reg(query, GS_INVOCATION_COUNT,
|
|
"N geometry shader invocations");
|
|
intel_perf_query_add_basic_stat_reg(query, GS_PRIMITIVES_COUNT,
|
|
"N geometry shader primitives emitted");
|
|
|
|
intel_perf_query_add_basic_stat_reg(query, CL_INVOCATION_COUNT,
|
|
"N primitives entering clipping");
|
|
intel_perf_query_add_basic_stat_reg(query, CL_PRIMITIVES_COUNT,
|
|
"N primitives leaving clipping");
|
|
|
|
if (devinfo->verx10 == 75 || devinfo->ver == 8) {
|
|
intel_perf_query_add_stat_reg(query, PS_INVOCATION_COUNT, 1, 4,
|
|
"N fragment shader invocations",
|
|
"N fragment shader invocations");
|
|
} else {
|
|
intel_perf_query_add_basic_stat_reg(query, PS_INVOCATION_COUNT,
|
|
"N fragment shader invocations");
|
|
}
|
|
|
|
intel_perf_query_add_basic_stat_reg(query, PS_DEPTH_COUNT,
|
|
"N z-pass fragments");
|
|
|
|
if (devinfo->ver >= 7) {
|
|
intel_perf_query_add_basic_stat_reg(query, CS_INVOCATION_COUNT,
|
|
"N compute shader invocations");
|
|
}
|
|
|
|
query->data_size = sizeof(uint64_t) * query->n_counters;
|
|
|
|
sort_query(query);
|
|
}
|
|
|
|
static int
|
|
i915_perf_version(int drm_fd)
|
|
{
|
|
int tmp;
|
|
drm_i915_getparam_t gp = {
|
|
.param = I915_PARAM_PERF_REVISION,
|
|
.value = &tmp,
|
|
};
|
|
|
|
int ret = intel_ioctl(drm_fd, DRM_IOCTL_I915_GETPARAM, &gp);
|
|
|
|
/* Return 0 if this getparam is not supported, the first version supported
|
|
* is 1.
|
|
*/
|
|
return ret < 0 ? 0 : tmp;
|
|
}
|
|
|
|
static void
|
|
i915_get_sseu(int drm_fd, struct drm_i915_gem_context_param_sseu *sseu)
|
|
{
|
|
struct drm_i915_gem_context_param arg = {
|
|
.param = I915_CONTEXT_PARAM_SSEU,
|
|
.size = sizeof(*sseu),
|
|
.value = to_user_pointer(sseu)
|
|
};
|
|
|
|
intel_ioctl(drm_fd, DRM_IOCTL_I915_GEM_CONTEXT_GETPARAM, &arg);
|
|
}
|
|
|
|
static inline int
|
|
compare_str_or_null(const char *s1, const char *s2)
|
|
{
|
|
if (s1 == NULL && s2 == NULL)
|
|
return 0;
|
|
if (s1 == NULL)
|
|
return -1;
|
|
if (s2 == NULL)
|
|
return 1;
|
|
|
|
return strcmp(s1, s2);
|
|
}
|
|
|
|
static int
|
|
compare_counter_categories_and_names(const void *_c1, const void *_c2)
|
|
{
|
|
const struct intel_perf_query_counter_info *c1 = (const struct intel_perf_query_counter_info *)_c1;
|
|
const struct intel_perf_query_counter_info *c2 = (const struct intel_perf_query_counter_info *)_c2;
|
|
|
|
/* pipeline counters don't have an assigned category */
|
|
int r = compare_str_or_null(c1->counter->category, c2->counter->category);
|
|
if (r)
|
|
return r;
|
|
|
|
return strcmp(c1->counter->name, c2->counter->name);
|
|
}
|
|
|
|
static void
|
|
build_unique_counter_list(struct intel_perf_config *perf)
|
|
{
|
|
assert(perf->n_queries < 64);
|
|
|
|
size_t max_counters = 0;
|
|
|
|
for (int q = 0; q < perf->n_queries; q++)
|
|
max_counters += perf->queries[q].n_counters;
|
|
|
|
/*
|
|
* Allocate big enough array to hold maximum possible number of counters.
|
|
* We can't alloc it small and realloc when needed because the hash table
|
|
* below contains pointers to this array.
|
|
*/
|
|
struct intel_perf_query_counter_info *counter_infos =
|
|
ralloc_array_size(perf, sizeof(counter_infos[0]), max_counters);
|
|
|
|
perf->n_counters = 0;
|
|
|
|
struct hash_table *counters_table =
|
|
_mesa_hash_table_create(perf,
|
|
_mesa_hash_string,
|
|
_mesa_key_string_equal);
|
|
struct hash_entry *entry;
|
|
for (int q = 0; q < perf->n_queries ; q++) {
|
|
struct intel_perf_query_info *query = &perf->queries[q];
|
|
|
|
for (int c = 0; c < query->n_counters; c++) {
|
|
struct intel_perf_query_counter *counter;
|
|
struct intel_perf_query_counter_info *counter_info;
|
|
|
|
counter = &query->counters[c];
|
|
entry = _mesa_hash_table_search(counters_table, counter->symbol_name);
|
|
|
|
if (entry) {
|
|
counter_info = entry->data;
|
|
counter_info->query_mask |= BITFIELD64_BIT(q);
|
|
continue;
|
|
}
|
|
assert(perf->n_counters < max_counters);
|
|
|
|
counter_info = &counter_infos[perf->n_counters++];
|
|
counter_info->counter = counter;
|
|
counter_info->query_mask = BITFIELD64_BIT(q);
|
|
|
|
counter_info->location.group_idx = q;
|
|
counter_info->location.counter_idx = c;
|
|
|
|
_mesa_hash_table_insert(counters_table, counter->symbol_name, counter_info);
|
|
}
|
|
}
|
|
|
|
_mesa_hash_table_destroy(counters_table, NULL);
|
|
|
|
/* Now we can realloc counter_infos array because hash table doesn't exist. */
|
|
perf->counter_infos = reralloc_array_size(perf, counter_infos,
|
|
sizeof(counter_infos[0]), perf->n_counters);
|
|
|
|
qsort(perf->counter_infos, perf->n_counters, sizeof(perf->counter_infos[0]),
|
|
compare_counter_categories_and_names);
|
|
}
|
|
|
|
static bool
|
|
oa_metrics_available(struct intel_perf_config *perf, int fd,
|
|
const struct intel_device_info *devinfo,
|
|
bool use_register_snapshots)
|
|
{
|
|
perf_register_oa_queries_t oa_register = get_register_queries_function(devinfo);
|
|
bool i915_perf_oa_available = false;
|
|
struct stat sb;
|
|
|
|
perf->devinfo = *devinfo;
|
|
perf->i915_query_supported = i915_query_perf_config_supported(perf, fd);
|
|
perf->i915_perf_version = i915_perf_version(fd);
|
|
|
|
/* TODO: We should query this from i915 */
|
|
if (intel_device_info_is_dg2(devinfo))
|
|
perf->oa_timestamp_shift = 1;
|
|
|
|
perf->oa_timestamp_mask =
|
|
0xffffffffffffffffull >> (32 + perf->oa_timestamp_shift);
|
|
|
|
/* Record the default SSEU configuration. */
|
|
i915_get_sseu(fd, &perf->sseu);
|
|
|
|
/* The existence of this sysctl parameter implies the kernel supports
|
|
* the i915 perf interface.
|
|
*/
|
|
if (stat("/proc/sys/dev/i915/perf_stream_paranoid", &sb) == 0) {
|
|
|
|
/* If _paranoid == 1 then on Gfx8+ we won't be able to access OA
|
|
* metrics unless running as root.
|
|
*/
|
|
if (devinfo->platform == INTEL_PLATFORM_HSW)
|
|
i915_perf_oa_available = true;
|
|
else {
|
|
uint64_t paranoid = 1;
|
|
|
|
read_file_uint64("/proc/sys/dev/i915/perf_stream_paranoid", ¶noid);
|
|
|
|
if (paranoid == 0 || geteuid() == 0)
|
|
i915_perf_oa_available = true;
|
|
}
|
|
|
|
perf->platform_supported = oa_register != NULL;
|
|
}
|
|
|
|
return i915_perf_oa_available &&
|
|
oa_register &&
|
|
get_sysfs_dev_dir(perf, fd) &&
|
|
init_oa_sys_vars(perf, use_register_snapshots);
|
|
}
|
|
|
|
static void
|
|
load_oa_metrics(struct intel_perf_config *perf, int fd,
|
|
const struct intel_device_info *devinfo)
|
|
{
|
|
int existing_queries = perf->n_queries;
|
|
|
|
perf_register_oa_queries_t oa_register = get_register_queries_function(devinfo);
|
|
|
|
perf->oa_metrics_table =
|
|
_mesa_hash_table_create(perf, _mesa_hash_string,
|
|
_mesa_key_string_equal);
|
|
|
|
/* Index all the metric sets mesa knows about before looking to see what
|
|
* the kernel is advertising.
|
|
*/
|
|
oa_register(perf);
|
|
|
|
if (!INTEL_DEBUG(DEBUG_NO_OACONFIG)) {
|
|
if (kernel_has_dynamic_config_support(perf, fd))
|
|
init_oa_configs(perf, fd, devinfo);
|
|
else
|
|
enumerate_sysfs_metrics(perf, devinfo);
|
|
} else {
|
|
add_all_metrics(perf, devinfo);
|
|
}
|
|
|
|
/* sort counters in each individual group created by this function by name */
|
|
for (int i = existing_queries; i < perf->n_queries; ++i)
|
|
sort_query(&perf->queries[i]);
|
|
|
|
/* Select a fallback OA metric. Look for the TestOa metric or use the last
|
|
* one if no present (on HSW).
|
|
*/
|
|
for (int i = existing_queries; i < perf->n_queries; i++) {
|
|
if (perf->queries[i].symbol_name &&
|
|
strcmp(perf->queries[i].symbol_name, "TestOa") == 0) {
|
|
perf->fallback_raw_oa_metric = perf->queries[i].oa_metrics_set_id;
|
|
break;
|
|
}
|
|
}
|
|
if (perf->fallback_raw_oa_metric == 0 && perf->n_queries > 0)
|
|
perf->fallback_raw_oa_metric = perf->queries[perf->n_queries - 1].oa_metrics_set_id;
|
|
}
|
|
|
|
struct intel_perf_registers *
|
|
intel_perf_load_configuration(struct intel_perf_config *perf_cfg, int fd, const char *guid)
|
|
{
|
|
if (!perf_cfg->i915_query_supported)
|
|
return NULL;
|
|
|
|
struct drm_i915_perf_oa_config i915_config = { 0, };
|
|
if (!i915_query_perf_config_data(perf_cfg, fd, guid, &i915_config))
|
|
return NULL;
|
|
|
|
struct intel_perf_registers *config = rzalloc(NULL, struct intel_perf_registers);
|
|
config->n_flex_regs = i915_config.n_flex_regs;
|
|
config->flex_regs = rzalloc_array(config, struct intel_perf_query_register_prog, config->n_flex_regs);
|
|
config->n_mux_regs = i915_config.n_mux_regs;
|
|
config->mux_regs = rzalloc_array(config, struct intel_perf_query_register_prog, config->n_mux_regs);
|
|
config->n_b_counter_regs = i915_config.n_boolean_regs;
|
|
config->b_counter_regs = rzalloc_array(config, struct intel_perf_query_register_prog, config->n_b_counter_regs);
|
|
|
|
/*
|
|
* struct intel_perf_query_register_prog maps exactly to the tuple of
|
|
* (register offset, register value) returned by the i915.
|
|
*/
|
|
i915_config.flex_regs_ptr = to_const_user_pointer(config->flex_regs);
|
|
i915_config.mux_regs_ptr = to_const_user_pointer(config->mux_regs);
|
|
i915_config.boolean_regs_ptr = to_const_user_pointer(config->b_counter_regs);
|
|
if (!i915_query_perf_config_data(perf_cfg, fd, guid, &i915_config)) {
|
|
ralloc_free(config);
|
|
return NULL;
|
|
}
|
|
|
|
return config;
|
|
}
|
|
|
|
uint64_t
|
|
intel_perf_store_configuration(struct intel_perf_config *perf_cfg, int fd,
|
|
const struct intel_perf_registers *config,
|
|
const char *guid)
|
|
{
|
|
if (guid)
|
|
return i915_add_config(perf_cfg, fd, config, guid);
|
|
|
|
struct mesa_sha1 sha1_ctx;
|
|
_mesa_sha1_init(&sha1_ctx);
|
|
|
|
if (config->flex_regs) {
|
|
_mesa_sha1_update(&sha1_ctx, config->flex_regs,
|
|
sizeof(config->flex_regs[0]) *
|
|
config->n_flex_regs);
|
|
}
|
|
if (config->mux_regs) {
|
|
_mesa_sha1_update(&sha1_ctx, config->mux_regs,
|
|
sizeof(config->mux_regs[0]) *
|
|
config->n_mux_regs);
|
|
}
|
|
if (config->b_counter_regs) {
|
|
_mesa_sha1_update(&sha1_ctx, config->b_counter_regs,
|
|
sizeof(config->b_counter_regs[0]) *
|
|
config->n_b_counter_regs);
|
|
}
|
|
|
|
uint8_t hash[20];
|
|
_mesa_sha1_final(&sha1_ctx, hash);
|
|
|
|
char formatted_hash[41];
|
|
_mesa_sha1_format(formatted_hash, hash);
|
|
|
|
char generated_guid[37];
|
|
snprintf(generated_guid, sizeof(generated_guid),
|
|
"%.8s-%.4s-%.4s-%.4s-%.12s",
|
|
&formatted_hash[0], &formatted_hash[8],
|
|
&formatted_hash[8 + 4], &formatted_hash[8 + 4 + 4],
|
|
&formatted_hash[8 + 4 + 4 + 4]);
|
|
|
|
/* Check if already present. */
|
|
uint64_t id;
|
|
if (intel_perf_load_metric_id(perf_cfg, generated_guid, &id))
|
|
return id;
|
|
|
|
return i915_add_config(perf_cfg, fd, config, generated_guid);
|
|
}
|
|
|
|
static uint64_t
|
|
get_passes_mask(struct intel_perf_config *perf,
|
|
const uint32_t *counter_indices,
|
|
uint32_t counter_indices_count)
|
|
{
|
|
uint64_t queries_mask = 0;
|
|
|
|
assert(perf->n_queries < 64);
|
|
|
|
/* Compute the number of passes by going through all counters N times (with
|
|
* N the number of queries) to make sure we select the most constraining
|
|
* counters first and look at the more flexible ones (that could be
|
|
* obtained from multiple queries) later. That way we minimize the number
|
|
* of passes required.
|
|
*/
|
|
for (uint32_t q = 0; q < perf->n_queries; q++) {
|
|
for (uint32_t i = 0; i < counter_indices_count; i++) {
|
|
assert(counter_indices[i] < perf->n_counters);
|
|
|
|
uint32_t idx = counter_indices[i];
|
|
if (util_bitcount64(perf->counter_infos[idx].query_mask) != (q + 1))
|
|
continue;
|
|
|
|
if (queries_mask & perf->counter_infos[idx].query_mask)
|
|
continue;
|
|
|
|
queries_mask |= BITFIELD64_BIT(ffsll(perf->counter_infos[idx].query_mask) - 1);
|
|
}
|
|
}
|
|
|
|
return queries_mask;
|
|
}
|
|
|
|
uint32_t
|
|
intel_perf_get_n_passes(struct intel_perf_config *perf,
|
|
const uint32_t *counter_indices,
|
|
uint32_t counter_indices_count,
|
|
struct intel_perf_query_info **pass_queries)
|
|
{
|
|
uint64_t queries_mask = get_passes_mask(perf, counter_indices, counter_indices_count);
|
|
|
|
if (pass_queries) {
|
|
uint32_t pass = 0;
|
|
for (uint32_t q = 0; q < perf->n_queries; q++) {
|
|
if ((1ULL << q) & queries_mask)
|
|
pass_queries[pass++] = &perf->queries[q];
|
|
}
|
|
}
|
|
|
|
return util_bitcount64(queries_mask);
|
|
}
|
|
|
|
void
|
|
intel_perf_get_counters_passes(struct intel_perf_config *perf,
|
|
const uint32_t *counter_indices,
|
|
uint32_t counter_indices_count,
|
|
struct intel_perf_counter_pass *counter_pass)
|
|
{
|
|
uint64_t queries_mask = get_passes_mask(perf, counter_indices, counter_indices_count);
|
|
ASSERTED uint32_t n_passes = util_bitcount64(queries_mask);
|
|
|
|
for (uint32_t i = 0; i < counter_indices_count; i++) {
|
|
assert(counter_indices[i] < perf->n_counters);
|
|
|
|
uint32_t idx = counter_indices[i];
|
|
counter_pass[i].counter = perf->counter_infos[idx].counter;
|
|
|
|
uint32_t query_idx = ffsll(perf->counter_infos[idx].query_mask & queries_mask) - 1;
|
|
counter_pass[i].query = &perf->queries[query_idx];
|
|
|
|
uint32_t clear_bits = 63 - query_idx;
|
|
counter_pass[i].pass = util_bitcount64((queries_mask << clear_bits) >> clear_bits) - 1;
|
|
assert(counter_pass[i].pass < n_passes);
|
|
}
|
|
}
|
|
|
|
/* Accumulate 32bits OA counters */
|
|
static inline void
|
|
accumulate_uint32(const uint32_t *report0,
|
|
const uint32_t *report1,
|
|
uint64_t *accumulator)
|
|
{
|
|
*accumulator += (uint32_t)(*report1 - *report0);
|
|
}
|
|
|
|
/* Accumulate 40bits OA counters */
|
|
static inline void
|
|
accumulate_uint40(int a_index,
|
|
const uint32_t *report0,
|
|
const uint32_t *report1,
|
|
uint64_t *accumulator)
|
|
{
|
|
const uint8_t *high_bytes0 = (uint8_t *)(report0 + 40);
|
|
const uint8_t *high_bytes1 = (uint8_t *)(report1 + 40);
|
|
uint64_t high0 = (uint64_t)(high_bytes0[a_index]) << 32;
|
|
uint64_t high1 = (uint64_t)(high_bytes1[a_index]) << 32;
|
|
uint64_t value0 = report0[a_index + 4] | high0;
|
|
uint64_t value1 = report1[a_index + 4] | high1;
|
|
uint64_t delta;
|
|
|
|
if (value0 > value1)
|
|
delta = (1ULL << 40) + value1 - value0;
|
|
else
|
|
delta = value1 - value0;
|
|
|
|
*accumulator += delta;
|
|
}
|
|
|
|
static void
|
|
gfx8_read_report_clock_ratios(const uint32_t *report,
|
|
uint64_t *slice_freq_hz,
|
|
uint64_t *unslice_freq_hz)
|
|
{
|
|
/* The lower 16bits of the RPT_ID field of the OA reports contains a
|
|
* snapshot of the bits coming from the RP_FREQ_NORMAL register and is
|
|
* divided this way :
|
|
*
|
|
* RPT_ID[31:25]: RP_FREQ_NORMAL[20:14] (low squashed_slice_clock_frequency)
|
|
* RPT_ID[10:9]: RP_FREQ_NORMAL[22:21] (high squashed_slice_clock_frequency)
|
|
* RPT_ID[8:0]: RP_FREQ_NORMAL[31:23] (squashed_unslice_clock_frequency)
|
|
*
|
|
* RP_FREQ_NORMAL[31:23]: Software Unslice Ratio Request
|
|
* Multiple of 33.33MHz 2xclk (16 MHz 1xclk)
|
|
*
|
|
* RP_FREQ_NORMAL[22:14]: Software Slice Ratio Request
|
|
* Multiple of 33.33MHz 2xclk (16 MHz 1xclk)
|
|
*/
|
|
|
|
uint32_t unslice_freq = report[0] & 0x1ff;
|
|
uint32_t slice_freq_low = (report[0] >> 25) & 0x7f;
|
|
uint32_t slice_freq_high = (report[0] >> 9) & 0x3;
|
|
uint32_t slice_freq = slice_freq_low | (slice_freq_high << 7);
|
|
|
|
*slice_freq_hz = slice_freq * 16666667ULL;
|
|
*unslice_freq_hz = unslice_freq * 16666667ULL;
|
|
}
|
|
|
|
void
|
|
intel_perf_query_result_read_frequencies(struct intel_perf_query_result *result,
|
|
const struct intel_device_info *devinfo,
|
|
const uint32_t *start,
|
|
const uint32_t *end)
|
|
{
|
|
/* Slice/Unslice frequency is only available in the OA reports when the
|
|
* "Disable OA reports due to clock ratio change" field in
|
|
* OA_DEBUG_REGISTER is set to 1. This is how the kernel programs this
|
|
* global register (see drivers/gpu/drm/i915/i915_perf.c)
|
|
*
|
|
* Documentation says this should be available on Gfx9+ but experimentation
|
|
* shows that Gfx8 reports similar values, so we enable it there too.
|
|
*/
|
|
if (devinfo->ver < 8)
|
|
return;
|
|
|
|
gfx8_read_report_clock_ratios(start,
|
|
&result->slice_frequency[0],
|
|
&result->unslice_frequency[0]);
|
|
gfx8_read_report_clock_ratios(end,
|
|
&result->slice_frequency[1],
|
|
&result->unslice_frequency[1]);
|
|
}
|
|
|
|
static inline bool
|
|
can_use_mi_rpc_bc_counters(const struct intel_device_info *devinfo)
|
|
{
|
|
return devinfo->ver <= 11;
|
|
}
|
|
|
|
uint64_t
|
|
intel_perf_report_timestamp(const struct intel_perf_query_info *query,
|
|
const uint32_t *report)
|
|
{
|
|
return report[1] >> query->perf->oa_timestamp_shift;
|
|
}
|
|
|
|
void
|
|
intel_perf_query_result_accumulate(struct intel_perf_query_result *result,
|
|
const struct intel_perf_query_info *query,
|
|
const uint32_t *start,
|
|
const uint32_t *end)
|
|
{
|
|
int i;
|
|
|
|
if (result->hw_id == INTEL_PERF_INVALID_CTX_ID &&
|
|
start[2] != INTEL_PERF_INVALID_CTX_ID)
|
|
result->hw_id = start[2];
|
|
if (result->reports_accumulated == 0)
|
|
result->begin_timestamp = intel_perf_report_timestamp(query, start);
|
|
result->end_timestamp = intel_perf_report_timestamp(query, end);
|
|
result->reports_accumulated++;
|
|
|
|
switch (query->oa_format) {
|
|
case I915_OA_FORMAT_A32u40_A4u32_B8_C8:
|
|
result->accumulator[query->gpu_time_offset] =
|
|
intel_perf_report_timestamp(query, end) -
|
|
intel_perf_report_timestamp(query, start);
|
|
|
|
accumulate_uint32(start + 3, end + 3,
|
|
result->accumulator + query->gpu_clock_offset); /* clock */
|
|
|
|
/* 32x 40bit A counters... */
|
|
for (i = 0; i < 32; i++) {
|
|
accumulate_uint40(i, start, end,
|
|
result->accumulator + query->a_offset + i);
|
|
}
|
|
|
|
/* 4x 32bit A counters... */
|
|
for (i = 0; i < 4; i++) {
|
|
accumulate_uint32(start + 36 + i, end + 36 + i,
|
|
result->accumulator + query->a_offset + 32 + i);
|
|
}
|
|
|
|
if (can_use_mi_rpc_bc_counters(&query->perf->devinfo)) {
|
|
/* 8x 32bit B counters */
|
|
for (i = 0; i < 8; i++) {
|
|
accumulate_uint32(start + 48 + i, end + 48 + i,
|
|
result->accumulator + query->b_offset + i);
|
|
}
|
|
|
|
/* 8x 32bit C counters... */
|
|
for (i = 0; i < 8; i++) {
|
|
accumulate_uint32(start + 56 + i, end + 56 + i,
|
|
result->accumulator + query->c_offset + i);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case I915_OA_FORMAT_A45_B8_C8:
|
|
result->accumulator[query->gpu_time_offset] =
|
|
intel_perf_report_timestamp(query, end) -
|
|
intel_perf_report_timestamp(query, start);
|
|
|
|
for (i = 0; i < 61; i++) {
|
|
accumulate_uint32(start + 3 + i, end + 3 + i,
|
|
result->accumulator + query->a_offset + i);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
unreachable("Can't accumulate OA counters in unknown format");
|
|
}
|
|
|
|
}
|
|
|
|
#define GET_FIELD(word, field) (((word) & field ## _MASK) >> field ## _SHIFT)
|
|
|
|
void
|
|
intel_perf_query_result_read_gt_frequency(struct intel_perf_query_result *result,
|
|
const struct intel_device_info *devinfo,
|
|
const uint32_t start,
|
|
const uint32_t end)
|
|
{
|
|
switch (devinfo->ver) {
|
|
case 7:
|
|
case 8:
|
|
result->gt_frequency[0] = GET_FIELD(start, GFX7_RPSTAT1_CURR_GT_FREQ) * 50ULL;
|
|
result->gt_frequency[1] = GET_FIELD(end, GFX7_RPSTAT1_CURR_GT_FREQ) * 50ULL;
|
|
break;
|
|
case 9:
|
|
case 11:
|
|
case 12:
|
|
result->gt_frequency[0] = GET_FIELD(start, GFX9_RPSTAT0_CURR_GT_FREQ) * 50ULL / 3ULL;
|
|
result->gt_frequency[1] = GET_FIELD(end, GFX9_RPSTAT0_CURR_GT_FREQ) * 50ULL / 3ULL;
|
|
break;
|
|
default:
|
|
unreachable("unexpected gen");
|
|
}
|
|
|
|
/* Put the numbers into Hz. */
|
|
result->gt_frequency[0] *= 1000000ULL;
|
|
result->gt_frequency[1] *= 1000000ULL;
|
|
}
|
|
|
|
void
|
|
intel_perf_query_result_read_perfcnts(struct intel_perf_query_result *result,
|
|
const struct intel_perf_query_info *query,
|
|
const uint64_t *start,
|
|
const uint64_t *end)
|
|
{
|
|
for (uint32_t i = 0; i < 2; i++) {
|
|
uint64_t v0 = start[i] & PERF_CNT_VALUE_MASK;
|
|
uint64_t v1 = end[i] & PERF_CNT_VALUE_MASK;
|
|
|
|
result->accumulator[query->perfcnt_offset + i] = v0 > v1 ?
|
|
(PERF_CNT_VALUE_MASK + 1 + v1 - v0) :
|
|
(v1 - v0);
|
|
}
|
|
}
|
|
|
|
static uint32_t
|
|
query_accumulator_offset(const struct intel_perf_query_info *query,
|
|
enum intel_perf_query_field_type type,
|
|
uint8_t index)
|
|
{
|
|
switch (type) {
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_PERFCNT:
|
|
return query->perfcnt_offset + index;
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_A:
|
|
return query->a_offset + index;
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_B:
|
|
return query->b_offset + index;
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_C:
|
|
return query->c_offset + index;
|
|
default:
|
|
unreachable("Invalid register type");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
void
|
|
intel_perf_query_result_accumulate_fields(struct intel_perf_query_result *result,
|
|
const struct intel_perf_query_info *query,
|
|
const void *start,
|
|
const void *end,
|
|
bool no_oa_accumulate)
|
|
{
|
|
const struct intel_perf_query_field_layout *layout = &query->perf->query_layout;
|
|
const struct intel_device_info *devinfo = &query->perf->devinfo;
|
|
|
|
for (uint32_t r = 0; r < layout->n_fields; r++) {
|
|
const struct intel_perf_query_field *field = &layout->fields[r];
|
|
|
|
if (field->type == INTEL_PERF_QUERY_FIELD_TYPE_MI_RPC) {
|
|
intel_perf_query_result_read_frequencies(result, devinfo,
|
|
start + field->location,
|
|
end + field->location);
|
|
/* no_oa_accumulate=true is used when doing GL perf queries, we
|
|
* manually parse the OA reports from the OA buffer and subtract
|
|
* unrelated deltas, so don't accumulate the begin/end reports here.
|
|
*/
|
|
if (!no_oa_accumulate) {
|
|
intel_perf_query_result_accumulate(result, query,
|
|
start + field->location,
|
|
end + field->location);
|
|
}
|
|
} else {
|
|
uint64_t v0, v1;
|
|
|
|
if (field->size == 4) {
|
|
v0 = *(const uint32_t *)(start + field->location);
|
|
v1 = *(const uint32_t *)(end + field->location);
|
|
} else {
|
|
assert(field->size == 8);
|
|
v0 = *(const uint64_t *)(start + field->location);
|
|
v1 = *(const uint64_t *)(end + field->location);
|
|
}
|
|
|
|
if (field->mask) {
|
|
v0 = field->mask & v0;
|
|
v1 = field->mask & v1;
|
|
}
|
|
|
|
/* RPSTAT is a bit of a special case because its begin/end values
|
|
* represent frequencies. We store it in a separate location.
|
|
*/
|
|
if (field->type == INTEL_PERF_QUERY_FIELD_TYPE_SRM_RPSTAT)
|
|
intel_perf_query_result_read_gt_frequency(result, devinfo, v0, v1);
|
|
else
|
|
result->accumulator[query_accumulator_offset(query, field->type, field->index)] = v1 - v0;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
intel_perf_query_result_clear(struct intel_perf_query_result *result)
|
|
{
|
|
memset(result, 0, sizeof(*result));
|
|
result->hw_id = INTEL_PERF_INVALID_CTX_ID;
|
|
}
|
|
|
|
void
|
|
intel_perf_query_result_print_fields(const struct intel_perf_query_info *query,
|
|
const void *data)
|
|
{
|
|
const struct intel_perf_query_field_layout *layout = &query->perf->query_layout;
|
|
|
|
for (uint32_t r = 0; r < layout->n_fields; r++) {
|
|
const struct intel_perf_query_field *field = &layout->fields[r];
|
|
const uint32_t *value32 = data + field->location;
|
|
|
|
switch (field->type) {
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_MI_RPC:
|
|
fprintf(stderr, "MI_RPC:\n");
|
|
fprintf(stderr, " TS: 0x%08x\n", *(value32 + 1));
|
|
fprintf(stderr, " CLK: 0x%08x\n", *(value32 + 3));
|
|
break;
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_A:
|
|
fprintf(stderr, "A%u: 0x%08x\n", field->index, *value32);
|
|
break;
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_B:
|
|
fprintf(stderr, "B%u: 0x%08x\n", field->index, *value32);
|
|
break;
|
|
case INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_C:
|
|
fprintf(stderr, "C%u: 0x%08x\n", field->index, *value32);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
intel_perf_compare_query_names(const void *v1, const void *v2)
|
|
{
|
|
const struct intel_perf_query_info *q1 = v1;
|
|
const struct intel_perf_query_info *q2 = v2;
|
|
|
|
return strcmp(q1->name, q2->name);
|
|
}
|
|
|
|
static inline struct intel_perf_query_field *
|
|
add_query_register(struct intel_perf_query_field_layout *layout,
|
|
enum intel_perf_query_field_type type,
|
|
uint16_t offset,
|
|
uint16_t size,
|
|
uint8_t index)
|
|
{
|
|
/* Align MI_RPC to 64bytes (HW requirement) & 64bit registers to 8bytes
|
|
* (shows up nicely in the debugger).
|
|
*/
|
|
if (type == INTEL_PERF_QUERY_FIELD_TYPE_MI_RPC)
|
|
layout->size = align(layout->size, 64);
|
|
else if (size % 8 == 0)
|
|
layout->size = align(layout->size, 8);
|
|
|
|
layout->fields[layout->n_fields++] = (struct intel_perf_query_field) {
|
|
.mmio_offset = offset,
|
|
.location = layout->size,
|
|
.type = type,
|
|
.index = index,
|
|
.size = size,
|
|
};
|
|
layout->size += size;
|
|
|
|
return &layout->fields[layout->n_fields - 1];
|
|
}
|
|
|
|
static void
|
|
intel_perf_init_query_fields(struct intel_perf_config *perf_cfg,
|
|
const struct intel_device_info *devinfo,
|
|
bool use_register_snapshots)
|
|
{
|
|
struct intel_perf_query_field_layout *layout = &perf_cfg->query_layout;
|
|
|
|
layout->n_fields = 0;
|
|
|
|
/* MI_RPC requires a 64byte alignment. */
|
|
layout->alignment = 64;
|
|
|
|
layout->fields = rzalloc_array(perf_cfg, struct intel_perf_query_field, 5 + 16);
|
|
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_MI_RPC,
|
|
0, 256, 0);
|
|
|
|
if (use_register_snapshots) {
|
|
if (devinfo->ver <= 11) {
|
|
struct intel_perf_query_field *field =
|
|
add_query_register(layout,
|
|
INTEL_PERF_QUERY_FIELD_TYPE_SRM_PERFCNT,
|
|
PERF_CNT_1_DW0, 8, 0);
|
|
field->mask = PERF_CNT_VALUE_MASK;
|
|
|
|
field = add_query_register(layout,
|
|
INTEL_PERF_QUERY_FIELD_TYPE_SRM_PERFCNT,
|
|
PERF_CNT_2_DW0, 8, 1);
|
|
field->mask = PERF_CNT_VALUE_MASK;
|
|
}
|
|
|
|
if (devinfo->ver == 8 && devinfo->platform != INTEL_PLATFORM_CHV) {
|
|
add_query_register(layout,
|
|
INTEL_PERF_QUERY_FIELD_TYPE_SRM_RPSTAT,
|
|
GFX7_RPSTAT1, 4, 0);
|
|
}
|
|
|
|
if (devinfo->ver >= 9) {
|
|
add_query_register(layout,
|
|
INTEL_PERF_QUERY_FIELD_TYPE_SRM_RPSTAT,
|
|
GFX9_RPSTAT0, 4, 0);
|
|
}
|
|
|
|
if (!can_use_mi_rpc_bc_counters(devinfo)) {
|
|
if (devinfo->ver >= 8 && devinfo->ver <= 11) {
|
|
for (uint32_t i = 0; i < GFX8_N_OA_PERF_B32; i++) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_B,
|
|
GFX8_OA_PERF_B32(i), 4, i);
|
|
}
|
|
for (uint32_t i = 0; i < GFX8_N_OA_PERF_C32; i++) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_C,
|
|
GFX8_OA_PERF_C32(i), 4, i);
|
|
}
|
|
} else if (devinfo->verx10 == 120) {
|
|
for (uint32_t i = 0; i < GFX12_N_OAG_PERF_B32; i++) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_B,
|
|
GFX12_OAG_PERF_B32(i), 4, i);
|
|
}
|
|
for (uint32_t i = 0; i < GFX12_N_OAG_PERF_C32; i++) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_C,
|
|
GFX12_OAG_PERF_C32(i), 4, i);
|
|
}
|
|
} else if (devinfo->verx10 == 125) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_A,
|
|
GFX125_OAG_PERF_A36, 4, 36);
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_A,
|
|
GFX125_OAG_PERF_A37, 4, 37);
|
|
for (uint32_t i = 0; i < GFX12_N_OAG_PERF_B32; i++) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_B,
|
|
GFX12_OAG_PERF_B32(i), 4, i);
|
|
}
|
|
for (uint32_t i = 0; i < GFX12_N_OAG_PERF_C32; i++) {
|
|
add_query_register(layout, INTEL_PERF_QUERY_FIELD_TYPE_SRM_OA_C,
|
|
GFX12_OAG_PERF_C32(i), 4, i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Align the whole package to 64bytes so that 2 snapshots can be put
|
|
* together without extract alignment for the user.
|
|
*/
|
|
layout->size = align(layout->size, 64);
|
|
}
|
|
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void
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intel_perf_init_metrics(struct intel_perf_config *perf_cfg,
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const struct intel_device_info *devinfo,
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int drm_fd,
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bool include_pipeline_statistics,
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bool use_register_snapshots)
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{
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intel_perf_init_query_fields(perf_cfg, devinfo, use_register_snapshots);
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if (include_pipeline_statistics) {
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load_pipeline_statistic_metrics(perf_cfg, devinfo);
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intel_perf_register_mdapi_statistic_query(perf_cfg, devinfo);
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}
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bool oa_metrics = oa_metrics_available(perf_cfg, drm_fd, devinfo,
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use_register_snapshots);
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if (oa_metrics)
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load_oa_metrics(perf_cfg, drm_fd, devinfo);
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/* sort query groups by name */
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qsort(perf_cfg->queries, perf_cfg->n_queries,
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sizeof(perf_cfg->queries[0]), intel_perf_compare_query_names);
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build_unique_counter_list(perf_cfg);
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if (oa_metrics)
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intel_perf_register_mdapi_oa_query(perf_cfg, devinfo);
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}
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