)]}'
{
  "commit": "caa9d8df0fca004a48cd9fd5048abaaaf2dd3eb1",
  "tree": "13123620a8ef92743e00c8ebb1143ba8f00a39b1",
  "parents": [
    "ddebf91709252da30a53ce7122e9ce44dc702793"
  ],
  "author": {
    "name": "Guinevere Larsen",
    "email": "guinevere@redhat.com",
    "time": "Thu May 28 15:36:33 2026 -0300"
  },
  "committer": {
    "name": "Guinevere Larsen",
    "email": "guinevere@redhat.com",
    "time": "Fri Jul 03 10:33:16 2026 -0300"
  },
  "message": "gdb/record: Refactor record history\n\nThis is the first step in a large refactor in how GDB keeps execution\nhistory.  Rather than using a linked list where multiple entries can\ndescribe a single instruction, the history will now be stored in an\nstd::deque, each instruction being one entry in the deque.\n\nThe choice was initially to use an std::vector, but it would become\nunwieldy because it needs all the memory to be consecutive, which is\nhard for 200 thousand entries. Deque was picked because it was a nice\nmidpoint between vector (maximum cache cohesion) and linked list\n(maximum ease of finding space to store more).\n\nEach instruction in memory will be now one record_full_instruction\nentry, which for this commit just contains a vector of\nrecord_full_entry for the effects of the instruction, and the data that\nwas stored in the record_full_end entry (that is, the instruction number\nand the signal, if any).\n\nThis change introduced a minimal performance improvement (what\u0027s\nimportant is that it isn\u0027t a degradation) and a  reduction in the total\nmemory footprint of roughly 20% if the entire history is used.\n\nReviewed-by: Thiago Jung Bauermann \u003cthiago.bauermann@linaro.org\u003e\nReviewed-By: Christina Schimpe \u003cchristina.schimpe@intel.com\u003e\nApproved-By: Guinevere Larsen \u003cguinevere@redhat.com\u003e\n",
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