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https://github.com/tiagovignatti/intel-gpu-tools.git
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c03c6ceb29
With the header cleanup we can now give this header a suitable name, since it now really only contains register access and other I/O functions and assorted definitions. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/*
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* Copyright © 2011 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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* Authors:
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* Ben Widawsky <ben@bwidawsk.net>
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*
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "intel_io.h"
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#include "intel_chipset.h"
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struct eu_rdata {
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union {
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struct {
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uint8_t sendc_dep : 1;
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uint8_t swh_dep : 1;
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uint8_t pwc_dep : 1;
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uint8_t n2_dep : 1;
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uint8_t n1_dep : 1;
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uint8_t n0_dep : 1;
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uint8_t flag1_dep : 1;
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uint8_t flag0_dep : 1;
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uint8_t indx_dep : 1;
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uint8_t mrf_dep : 1;
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uint8_t dst_dep : 1;
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uint8_t src2_dep : 1;
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uint8_t src1_dep : 1;
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uint8_t src0_dep : 1;
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uint8_t mp_dep_pin : 1;
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uint8_t sp_dep_pin : 1;
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uint8_t fftid : 8;
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uint8_t ffid : 4;
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uint8_t instruction_valid : 1;
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uint8_t thread_status : 3;
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};
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uint32_t dword;
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} ud0;
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union {
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struct {
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uint8_t mrf_addr : 4;
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uint8_t dst_addr : 7;
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uint8_t src2_addr : 7;
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uint8_t src1_addr : 7;
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uint8_t src0_addr : 7;
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};
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uint32_t dword;
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} ud1;
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union {
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struct {
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uint16_t exip : 12;
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uint8_t opcode : 7;
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uint8_t pwc : 8;
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uint8_t instruction_valid : 1;
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uint8_t mbz : 4;
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};
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uint32_t dword;
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} ud2;
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};
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const char *thread_status[] =
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{"INVALID", "invalid/no thread", "standby (dependency)", "INVALID", "Executing",
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"INVALID" , "INVALID" , "INVALID"};
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static struct eu_rdata
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collect_rdata(int eu, int tid) {
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struct eu_rdata rdata;
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intel_register_write(0x7800, eu << 16 | (3 * tid) << 8);
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rdata.ud0.dword = intel_register_read(0x7840);
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intel_register_write(0x7800, eu << 16 | (3 * tid + 1) << 8);
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rdata.ud1.dword = intel_register_read(0x7840);
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intel_register_write(0x7800, eu << 16 | (3 * tid + 2) << 8);
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rdata.ud2.dword = intel_register_read(0x7840);
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return rdata;
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}
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static void
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print_rdata(struct eu_rdata rdata) {
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printf("\t%s\n", thread_status[rdata.ud0.thread_status]);
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printf("\tn1_dep: %d\n", rdata.ud0.n1_dep);
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printf("\tpwc_dep: %d\n", rdata.ud0.pwc_dep);
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printf("\tswh_dep: %d\n", rdata.ud0.swh_dep);
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printf("\tsource 0 %x\n", rdata.ud1.src0_addr);
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printf("\tsource 1 %x\n", rdata.ud1.src1_addr);
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printf("\tsource 2 %x\n", rdata.ud1.src2_addr);
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printf("\tdest %x\n", rdata.ud1.dst_addr);
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printf("\tmrf %x\n", rdata.ud1.mrf_addr);
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printf("\tIP: %x\n", rdata.ud2.exip);
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printf("\topcode: %x\n", rdata.ud2.opcode);
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}
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static void
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find_stuck_threads(void)
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{
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int i, j;
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for (i = 0; i < 15; i++)
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for (j = 0; j < 5; j++) {
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struct eu_rdata rdata;
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rdata = collect_rdata(i, j);
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if (rdata.ud0.thread_status == 2 ||
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rdata.ud0.thread_status == 4) {
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printf("%d %d:\n", i, j);
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print_rdata(rdata);
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}
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}
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}
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int main(int argc, char *argv[]) {
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struct pci_device *pci_dev;
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pci_dev = intel_get_pci_device();
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intel_register_access_init(pci_dev, 1);
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find_stuck_threads();
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// collect_rdata(atoi(argv[1]), atoi(argv[2]));
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return 0;
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}
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