| /* |
| * Copyright © 2010, 2013 Intel Corporation |
| * |
| * 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: |
| * Eric Anholt <eric@anholt.net> |
| */ |
| |
| #include <unistd.h> |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <err.h> |
| #include <sys/ioctl.h> |
| |
| #include "drm.h" |
| #include "i915_drm.h" |
| #include "drmtest.h" |
| #include "intel_gpu_tools.h" |
| #include "intel_bufmgr.h" |
| #include "intel_batchbuffer.h" |
| |
| #define COUNTER_COUNT 29 |
| |
| const char *counter_name[COUNTER_COUNT] = { |
| "cycles the CS unit is starved", |
| "cycles the CS unit is stalled", |
| "cycles the VF unit is starved", |
| "cycles the VF unit is stalled", |
| "cycles the VS unit is starved", |
| "cycles the VS unit is stalled", |
| "cycles the GS unit is starved", |
| "cycles the GS unit is stalled", |
| "cycles the CL unit is starved", |
| "cycles the CL unit is stalled", |
| "cycles the SF unit is starved", |
| "cycles the SF unit is stalled", |
| "cycles the WZ unit is starved", |
| "cycles the WZ unit is stalled", |
| "Z buffer read/write ", |
| "cycles each EU was active ", |
| "cycles each EU was suspended ", |
| "cycles threads loaded all EUs", |
| "cycles filtering active ", |
| "cycles PS threads executed ", |
| "subspans written to RC ", |
| "bytes read for texture reads ", |
| "texels returned from sampler ", |
| "polygons not culled ", |
| "clocks MASF has valid message", |
| "64b writes/reads from RC ", |
| "reads on dataport ", |
| "clocks MASF has valid msg not consumed by sampler", |
| "cycles any EU is stalled for math", |
| }; |
| |
| int have_totals = 0; |
| uint32_t totals[COUNTER_COUNT]; |
| uint32_t last_counter[COUNTER_COUNT]; |
| static drm_intel_bufmgr *bufmgr; |
| struct intel_batchbuffer *batch; |
| |
| /* DW0 */ |
| #define MI_REPORT_PERF_COUNT ((0x26 << 23) | (3 - 2)) |
| #define MI_COUNTER_SET_0 (0 << 6) |
| #define MI_COUNTER_SET_1 (1 << 6) |
| /* DW1 */ |
| #define MI_COUNTER_ADDRESS_GTT (1 << 0) |
| /* DW2: report ID */ |
| |
| static void |
| get_counters(void) |
| { |
| int i; |
| drm_intel_bo *stats_bo; |
| uint32_t *stats_result; |
| |
| stats_bo = drm_intel_bo_alloc(bufmgr, "stats", 4096, 4096); |
| |
| BEGIN_BATCH(6); |
| OUT_BATCH(MI_REPORT_PERF_COUNT | MI_COUNTER_SET_0); |
| OUT_RELOC(stats_bo, |
| I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, |
| 0); |
| OUT_BATCH(0); |
| |
| OUT_BATCH(MI_REPORT_PERF_COUNT | MI_COUNTER_SET_1); |
| OUT_RELOC(stats_bo, |
| I915_GEM_DOMAIN_INSTRUCTION, I915_GEM_DOMAIN_INSTRUCTION, |
| 64); |
| OUT_BATCH(0); |
| |
| ADVANCE_BATCH(); |
| |
| intel_batchbuffer_flush(batch); |
| |
| drm_intel_bo_map(stats_bo, 0); |
| stats_result = stats_bo->virtual; |
| /* skip REPORT_ID, TIMESTAMP */ |
| stats_result += 3; |
| for (i = 0 ; i < COUNTER_COUNT; i++) { |
| totals[i] += stats_result[i] - last_counter[i]; |
| last_counter[i] = stats_result[i]; |
| } |
| |
| drm_intel_bo_unmap(stats_bo); |
| drm_intel_bo_unreference(stats_bo); |
| } |
| |
| #define STATS_CHECK_FREQUENCY 100 |
| #define STATS_REPORT_FREQUENCY 2 |
| |
| int |
| main(int argc, char **argv) |
| { |
| uint32_t devid; |
| int i; |
| char clear_screen[] = {0x1b, '[', 'H', |
| 0x1b, '[', 'J', |
| 0x0}; |
| int fd; |
| int l; |
| |
| fd = drm_open_any(); |
| devid = intel_get_drm_devid(fd); |
| |
| bufmgr = drm_intel_bufmgr_gem_init(fd, 4096); |
| drm_intel_bufmgr_gem_enable_reuse(bufmgr); |
| batch = intel_batchbuffer_alloc(bufmgr, devid); |
| |
| if (!IS_GEN5(devid)) { |
| printf("This tool is only for Ironlake.\n"); |
| abort(); |
| } |
| |
| for (;;) { |
| for (l = 0; l < STATS_CHECK_FREQUENCY; l++) { |
| printf("%s", clear_screen); |
| |
| if (l % (STATS_CHECK_FREQUENCY / STATS_REPORT_FREQUENCY) == 0) { |
| if (have_totals) { |
| for (i = 0; i < COUNTER_COUNT; i++) { |
| printf("%s: %u\n", counter_name[i], |
| totals[i]); |
| totals[i] = 0; |
| } |
| } |
| } |
| |
| get_counters(); |
| have_totals = 1; |
| |
| usleep(1000000 / STATS_CHECK_FREQUENCY); |
| } |
| } |
| |
| return 0; |
| } |