intel/dev: add a small non installable tool to print device info
Mostly for debug purposes.
$ ./build/src/intel/dev/intel_device_info
/dev/dri/renderD128:
name: Intel(R) UHD Graphics 620 (WHL GT2)
gen: 9
PCI id: 0x3ea0
revision: 2
slice0.subslice0: 11111111
slice0.subslice1: 11111111
slice0.subslice2: 11111111
slices: 1
subslices: 3
EUs: 24
EU threads: 168
LLC: 1
threads per EU: 7
L3 banks: 4
max VS threads: 336
max TCS threads: 336
max TES threads: 336
max GS threads: 336
max WM threads: 256
max CS threads: 56
timestamp frequency: 12000000
v2: Missing license (Marcin)
Fix stderr usage (Marcin)
v3: Reformat topology printing (Marcin)
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6957>
This commit is contained in:
Lionel Landwerlin
Marge Bot
parent
61c095f09a
commit
9ad4b8b924
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@ -284,6 +284,16 @@ gen_device_info_subslice_available(const struct gen_device_info *devinfo,
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subslice / 8] & (1U << (subslice % 8))) != 0;
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}
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static inline bool
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gen_device_info_eu_available(const struct gen_device_info *devinfo,
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int slice, int subslice, int eu)
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{
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unsigned subslice_offset = slice * devinfo->eu_slice_stride +
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subslice * devinfo->eu_subslice_stride;
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return (devinfo->eu_masks[subslice_offset + eu / 8] & (1U << eu % 8)) != 0;
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}
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int gen_device_name_to_pci_device_id(const char *name);
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const char *gen_get_device_name(int devid);
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@ -0,0 +1,114 @@
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/*
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* Copyright © 2020 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 <stdio.h>
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#include <stdlib.h>
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#include <stdarg.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 <xf86drm.h>
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#include "gen_device_info.h"
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static int
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error(char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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va_end(ap);
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return EXIT_FAILURE;
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}
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int
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main(int argc, char *argv[])
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{
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drmDevicePtr devices[8];
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int max_devices;
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max_devices = drmGetDevices2(0, devices, ARRAY_SIZE(devices));
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if (max_devices < 1)
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return error("Not device found");
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for (int i = 0; i < max_devices; i++) {
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struct gen_device_info devinfo;
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const char *path = devices[i]->nodes[DRM_NODE_RENDER];
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int fd = open(path, O_RDWR | O_CLOEXEC);
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if (fd < 0)
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continue;
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bool success = gen_get_device_info_from_fd(fd, &devinfo);
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close(fd);
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if (!success)
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continue;
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fprintf(stdout, "%s:\n", path);
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fprintf(stdout, " name: %s\n", gen_get_device_name(devinfo.chipset_id));
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fprintf(stdout, " gen: %u\n", devinfo.gen);
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fprintf(stdout, " PCI id: 0x%x\n", devinfo.chipset_id);
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fprintf(stdout, " revision: %u\n", devinfo.revision);
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uint32_t n_s = 0, n_ss = 0, n_eus = 0;
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for (unsigned s = 0; s < devinfo.num_slices; s++) {
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n_s += (devinfo.slice_masks & (1u << s)) ? 1 : 0;
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for (unsigned ss = 0; ss < devinfo.num_subslices[s]; ss++) {
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fprintf(stdout, " slice%u.subslice%u: ", s, ss);
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if (gen_device_info_subslice_available(&devinfo, s, ss)) {
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n_ss++;
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for (unsigned eu = 0; eu < devinfo.num_eu_per_subslice; eu++) {
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n_eus += gen_device_info_eu_available(&devinfo, s, ss, eu) ? 1 : 0;
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fprintf(stdout, "%s", gen_device_info_eu_available(&devinfo, s, ss, eu) ? "1" : "0");
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}
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} else {
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fprintf(stderr, "fused");
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}
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fprintf(stdout, "\n");
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}
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}
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fprintf(stdout, " slices: %u\n", n_s);
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fprintf(stdout, " subslices: %u\n", n_ss);
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fprintf(stdout, " EUs: %u\n", n_eus);
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fprintf(stdout, " EU threads: %u\n", n_eus * devinfo.num_thread_per_eu);
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fprintf(stdout, " LLC: %u\n", devinfo.has_llc);
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fprintf(stdout, " threads per EU: %u\n", devinfo.num_thread_per_eu);
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fprintf(stdout, " L3 banks: %u\n", devinfo.l3_banks);
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fprintf(stdout, " max VS threads: %u\n", devinfo.max_vs_threads);
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fprintf(stdout, " max TCS threads: %u\n", devinfo.max_tcs_threads);
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fprintf(stdout, " max TES threads: %u\n", devinfo.max_tes_threads);
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fprintf(stdout, " max GS threads: %u\n", devinfo.max_gs_threads);
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fprintf(stdout, " max WM threads: %u\n", devinfo.max_wm_threads);
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fprintf(stdout, " max CS threads: %u\n", devinfo.max_cs_threads);
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fprintf(stdout, " timestamp frequency: %lu\n", devinfo.timestamp_frequency);
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}
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return EXIT_SUCCESS;
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}
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@ -46,3 +46,16 @@ if with_tests
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suite : ['intel'],
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)
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endif
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if with_intel_tools
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intel_device_info = executable(
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'intel_device_info',
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files('intel_device_info.c'),
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dependencies : [dep_libdrm, dep_dl, dep_thread, dep_m],
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include_directories : [inc_include, inc_src, inc_intel],
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link_with : libintel_dev,
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c_args : [no_override_init_args],
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gnu_symbol_visibility : 'hidden',
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install : false
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)
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endif
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