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extend ctrl process memory cache reads with freshness info - it is a bit too coarse grained at page granularity, that should've been easy to predict... in any case, to start addressing that, start keeping >1 hash key hash history in hash store layer, such that history may be preserved for a bit longer & diff'd with new key hashes

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This commit is contained in:
Ryan Fleury
2024-01-25 09:06:03 -08:00
parent 76b2facbf4
commit d0c3d9dc21
8 changed files with 93 additions and 39 deletions
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src/df/gfx/df_view_rule_hooks.c
+4 -2
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@@ -30,7 +30,8 @@ df_view_rule_hooks__rgba_from_eval(DF_Eval eval, TG_Graph *graph, RADDBG_Parsed
U64 array_total_size = tg_byte_size_from_graph_raddbg_key(graph, raddbg, type_key);
U64 array_total_size_capped = ClampTop(array_total_size, 64);
Rng1U64 array_memory_vaddr_rng = r1u64(eval.offset, eval.offset + array_total_size_capped);
String8 array_memory = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, array_memory_vaddr_rng);
CTRL_ProcessMemorySlice array_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, array_memory_vaddr_rng);
String8 array_memory = array_slice.data;
TG_Key element_type_key = tg_unwrapped_direct_from_graph_raddbg_key(graph, raddbg, type_key);
TG_Kind element_type_kind = tg_kind_from_key(element_type_key);
U64 element_type_size = tg_byte_size_from_graph_raddbg_key(graph, raddbg, element_type_key);
@@ -66,7 +67,8 @@ df_view_rule_hooks__rgba_from_eval(DF_Eval eval, TG_Graph *graph, RADDBG_Parsed
U64 struct_total_size = tg_byte_size_from_graph_raddbg_key(graph, raddbg, type_key);
U64 struct_total_size_capped = ClampTop(struct_total_size, 64);
Rng1U64 struct_memory_vaddr_rng = r1u64(eval.offset, eval.offset + struct_total_size_capped);
String8 struct_memory = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, struct_memory_vaddr_rng);
CTRL_ProcessMemorySlice struct_slice = ctrl_query_cached_data_from_process_vaddr_range(scratch.arena, process->ctrl_machine_id, process->ctrl_handle, struct_memory_vaddr_rng);
String8 struct_memory = struct_slice.data;
TG_Type *type = tg_type_from_graph_raddbg_key(scratch.arena, graph, raddbg, type_key);
for(U64 element_idx = 0, member_idx = 0;
element_idx < 4 && member_idx < type->count;