diff options
Diffstat (limited to 'debugger/debug_rdata.c')
| -rw-r--r-- | debugger/debug_rdata.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/debugger/debug_rdata.c b/debugger/debug_rdata.c new file mode 100644 index 00000000..f7dc4245 --- /dev/null +++ b/debugger/debug_rdata.c @@ -0,0 +1,141 @@ +/* + * Copyright © 2011 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: + * Ben Widawsky <ben@bwidawsk.net> + * + */ + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include "intel_gpu_tools.h" + +struct eu_rdata { + union { + struct { + uint8_t sendc_dep : 1; + uint8_t swh_dep : 1; + uint8_t pwc_dep : 1; + uint8_t n2_dep : 1; + uint8_t n1_dep : 1; + uint8_t n0_dep : 1; + uint8_t flag1_dep : 1; + uint8_t flag0_dep : 1; + uint8_t indx_dep : 1; + uint8_t mrf_dep : 1; + uint8_t dst_dep : 1; + uint8_t src2_dep : 1; + uint8_t src1_dep : 1; + uint8_t src0_dep : 1; + uint8_t mp_dep_pin : 1; + uint8_t sp_dep_pin : 1; + uint8_t fftid : 8; + uint8_t ffid : 4; + uint8_t instruction_valid : 1; + uint8_t thread_status : 3; + }; + uint32_t dword; + } ud0; + + union { + struct { + uint8_t mrf_addr : 4; + uint8_t dst_addr : 7; + uint8_t src2_addr : 7; + uint8_t src1_addr : 7; + uint8_t src0_addr : 7; + }; + uint32_t dword; + } ud1; + + union { + struct { + uint16_t exip : 12; + uint8_t opcode : 7; + uint8_t pwc : 8; + uint8_t instruction_valid : 1; + uint8_t mbz : 4; + }; + uint32_t dword; + } ud2; +}; + +const char *thread_status[] = + {"INVALID", "invalid/no thread", "standby (dependency)", "INVALID", "Executing", + "INVALID" , "INVALID" , "INVALID"}; + +static struct eu_rdata +collect_rdata(int eu, int tid) { + struct eu_rdata rdata; + + intel_register_write(0x7800, eu << 16 | (3 * tid) << 8); + rdata.ud0.dword = intel_register_read(0x7840); + + intel_register_write(0x7800, eu << 16 | (3 * tid + 1) << 8); + rdata.ud1.dword = intel_register_read(0x7840); + + intel_register_write(0x7800, eu << 16 | (3 * tid + 2) << 8); + rdata.ud2.dword = intel_register_read(0x7840); + + return rdata; +} +static void +print_rdata(struct eu_rdata rdata) { + printf("\t%s\n", thread_status[rdata.ud0.thread_status]); + printf("\tn1_dep: %d\n", rdata.ud0.n1_dep); + printf("\tpwc_dep: %d\n", rdata.ud0.pwc_dep); + printf("\tswh_dep: %d\n", rdata.ud0.swh_dep); + printf("\tsource 0 %x\n", rdata.ud1.src0_addr); + printf("\tsource 1 %x\n", rdata.ud1.src1_addr); + printf("\tsource 2 %x\n", rdata.ud1.src2_addr); + printf("\tdest %x\n", rdata.ud1.dst_addr); + printf("\tmrf %x\n", rdata.ud1.mrf_addr); + printf("\tIP: %x\n", rdata.ud2.exip); + printf("\topcode: %x\n", rdata.ud2.opcode); +} + +static void +find_stuck_threads(void) +{ + int i, j; + for (i = 0; i < 15; i++) + for (j = 0; j < 5; j++) { + struct eu_rdata rdata; + rdata = collect_rdata(i, j); + if (rdata.ud0.thread_status == 2 || + rdata.ud0.thread_status == 4) { + printf("%d %d:\n", i, j); + print_rdata(rdata); + } + } +} + +int main(int argc, char *argv[]) { + struct pci_device *pci_dev; + pci_dev = intel_get_pci_device(); + + intel_register_access_init(pci_dev, 1); + find_stuck_threads(); +// collect_rdata(atoi(argv[1]), atoi(argv[2])); + return 0; +} |