Module: Mesa Branch: main Commit: 7e111268f12fa5b8abda8c3297211a25387592cb URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7e111268f12fa5b8abda8c3297211a25387592cb
Author: Lionel Landwerlin <lionel.g.landwer...@intel.com> Date: Sun Jan 14 10:57:29 2024 +0200 intel/hang_viewer: add aux-tt view Allows you to visualize the AUX-TT. Signed-off-by: Lionel Landwerlin <lionel.g.landwer...@intel.com> Reviewed-by: Tapani Pälli <tapani.pa...@intel.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27058> --- src/intel/tools/intel_hang_viewer.cpp | 145 ++++++++++++++++++++++++++++------ 1 file changed, 121 insertions(+), 24 deletions(-) diff --git a/src/intel/tools/intel_hang_viewer.cpp b/src/intel/tools/intel_hang_viewer.cpp index 680e771b122..eca20044ef6 100644 --- a/src/intel/tools/intel_hang_viewer.cpp +++ b/src/intel/tools/intel_hang_viewer.cpp @@ -118,6 +118,9 @@ static struct Context { /* Map hang file in RW for edition */ bool edit = false; + /* AUX-TT */ + uint64_t aux_tt_addr = 0; + struct intel_device_info devinfo; struct intel_spec *spec = NULL; struct brw_isa_info isa; @@ -142,6 +145,15 @@ static struct Context { thread_local ImGuiContext* __MesaImGui; +hang_bo *find_bo(uint64_t addr) +{ + for (auto &bo : context.bos) { + if (addr >= bo.offset && addr < (bo.offset + bo.size)) + return &bo; + } + return NULL; +} + /**/ static uint8_t @@ -204,21 +216,19 @@ public: snprintf(m_name, sizeof(m_name), "%s (0x%" PRIx64 ")##%p", m_description.c_str(), m_address, this); - for (auto &bo : context.bos) { - if (address >= bo.offset && - address < (bo.offset + bo.size)) { - char *shader_txt = NULL; - size_t shader_txt_size = 0; - FILE *f = open_memstream(&shader_txt, &shader_txt_size); - if (f) { - intel_disassemble(&context.isa, - (const uint8_t *) bo.map + - (address - bo.offset), 0, f); - fclose(f); - } - - m_shader = std::string(shader_txt); + hang_bo *bo = find_bo(address); + if (bo != NULL) { + char *shader_txt = NULL; + size_t shader_txt_size = 0; + FILE *f = open_memstream(&shader_txt, &shader_txt_size); + if (f) { + intel_disassemble(&context.isa, + (const uint8_t *) bo->map + + (address - bo->offset), 0, f); + fclose(f); } + + m_shader = std::string(shader_txt); } } @@ -232,6 +242,86 @@ public: void destroy() {} }; +class aux_tt_window : public window { +public: + aux_tt_window(uint64_t l3_addr) + : m_l3_addr(l3_addr) + , m_bo(find_bo(l3_addr)) { + snprintf(m_name, sizeof(m_name), "AUX TT##%p", this); + } + + void display() { + ImGui::BeginChild(ImGui::GetID("##toplevel")); + if (m_bo != NULL) + display_level(3, m_l3_addr, 0); + else + ImGui::Text("AUX table buffer not found: 0x%" PRIx64, + m_l3_addr); + ImGui::EndChild(); + } + + void destroy() {} + +private: + void display_level(int level, uint64_t table_addr, uint64_t base_addr) { + assert(level >= 1 && level <= 3); + + const hang_bo *bo = + table_addr == m_l3_addr ? m_bo : find_bo(table_addr); + if (bo == NULL) { + ImGui::Text("level %u not found addr=0x%016" PRIx64, + level, table_addr); + return; + } + + static struct { + uint32_t top; + uint32_t bottom; + } levels[4] = { + { 0, 0, }, + { 23, 16, }, + { 35, 24, }, + { 47, 36, }, + }; + + const uint64_t *entries = + (const uint64_t *)((const uint8_t *)bo->map + (table_addr - bo->offset)); + + if (level == 1) { + uint32_t n_entries = context.devinfo.verx10 == 125 ? 16 : 256; + for (uint32_t i = 0; i < n_entries; i++) { + uint64_t addr = entries[i] & 0xffffffffff00ull; + ImGui::Text("entry%04u: addr=0x%012" PRIx64 " entry=0x%012" PRIx64 + " range=0x%012" PRIx64 "-0x%012" PRIx64, + i, addr, entries[i], + base_addr + (uint64_t)i << levels[level].bottom, + base_addr + (uint64_t)i << levels[level].bottom); + } + } else { + for (uint32_t i = 0; i < 4096; i++) { + uint64_t entry_addr = base_addr + (uint64_t)i << levels[level].bottom; + uint64_t addr = entries[i] & 0xffffffff8000ull; + bool valid = (entries[i] & 0x1) != 0; + if (valid && + ImGui::TreeNodeEx( + (void *)&entries[i], + ImGuiTreeNodeFlags_Framed, + "entry%04u: addr=0x%012" PRIx64 " entry=0x%012" PRIx64 + " range=0x%012" PRIx64 "-0x%012" PRIx64, + i, addr, entries[i], + entry_addr, entry_addr)) { + if (valid) + display_level(level - 1, addr, entry_addr); + ImGui::TreePop(); + } + } + } + } + + uint64_t m_l3_addr; + const hang_bo *m_bo; +}; + static struct intel_batch_decode_bo batch_get_bo(void *user_data, bool ppgtt, uint64_t address) { @@ -402,8 +492,9 @@ display_hang_stats() ImGui::BeginChild(ImGui::GetID("BO list:")); for (const auto &bo : context.bos) { char bo_name[80]; - snprintf(bo_name, sizeof(bo_name), "BO 0x%012" PRIx64 " size=%" PRIu64 "(%s) %s", - bo.offset, bo.size, human_size(bo.size), + snprintf(bo_name, sizeof(bo_name), + "BO 0x%012" PRIx64 "-0x%012" PRIx64 " size=%" PRIu64 "(%s) %s", + bo.offset, bo.offset + bo.size - 1, bo.size, human_size(bo.size), bo.offset == exec_buf_addr ? "BATCH BUFFER" : ""); if (ImGui::Selectable(bo_name, false)) @@ -411,6 +502,8 @@ display_hang_stats() } if (context.hw_image.size != 0 && ImGui::Selectable("HW IMAGE", false)) context.windows.push_back(std::shared_ptr<window>(new batch_window(context.hw_image))); + if (context.aux_tt_addr != 0 && ImGui::Selectable("AUX-TT", false)) + context.windows.push_back(std::shared_ptr<window>(new aux_tt_window(context.aux_tt_addr))); ImGui::EndChild(); ImGui::End(); @@ -518,6 +611,7 @@ print_help(const char *progname, FILE *file) "\n" " -p, --platform platform platform to use for decoding\n" " -e, --edit map the hang file read/write for edition\n" + " -x, --aux-tt map the hang file read/write for edition\n" , progname); } @@ -632,32 +726,35 @@ int main(int argc, char *argv[]) { int c, i; - bool help = false, edit = false; + bool help = false; const char *platform = NULL; const struct option aubinator_opts[] = { - { "platform", required_argument, NULL, 0 }, - { "edit", no_argument, (int *) &edit, true }, + { "platform", required_argument, NULL, 'p' }, + { "aux-tt", required_argument, NULL, 'x' }, + { "edit", no_argument, NULL, 'e' }, { "help", no_argument, (int *) &help, true }, { NULL, 0, NULL, 0 }, }; + context = {}; + i = 0; - while ((c = getopt_long(argc, argv, "p:e", aubinator_opts, &i)) != -1) { + while ((c = getopt_long(argc, argv, "p:ex:", aubinator_opts, &i)) != -1) { switch (c) { case 'p': platform = optarg; break; case 'e': - edit = true; + context.edit = true; + break; + case 'x': + context.aux_tt_addr = strtoll(optarg, NULL, 16); break; default: break; } } - context = {}; - context.edit = edit; - const char *filename = NULL; if (optind < argc) filename = argv[optind];
