Allocate{.length = 1, .num_objects = 1, .density_dense = false},
    Allocate{.length = 1, .num_objects = 4431, .density_dense = false},
    TreatTrackers{.enable_collapse = true,
                  .use_userspace_collapse_heuristics = false,
                  .enable_unfiltered_collapse = true},
    MemoryLimitHitRelease{.desired = 139},
    TreatTrackers{.enable_collapse = false,
                  .use_userspace_collapse_heuristics = true,
                  .enable_unfiltered_collapse = false},
    SetCollapseLatency{.latency = absl::ZeroDuration()}, GatherStatsPbtxt{},
    ToggleUnback{},
    Allocate{.length = 1, .num_objects = 64, .density_dense = false},
    Allocate{.length = 255, .num_objects = 19968, .density_dense = true},
    Deallocate{.tracker_index = 1, .alloc_index = 0},
    Allocate{.length = 1, .num_objects = 1157, .density_dense = false},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{},
    Allocate{.length = 1, .num_objects = 1, .density_dense = false},
    Allocate{.length = 255, .num_objects = 29969, .density_dense = false},
    GatherSpanStats{},
    UpdateBitmaps{.hugepage_backed_set = true,
                  .hugepage_backed_val = false,
                  .unbacked_bitmap_val = 0,
                  .swapped_bitmap_val = 0},
    ModelTail{.length = 255},
    Deallocate{.tracker_index = 28918, .alloc_index = 20156},
    Deallocate{.tracker_index = 64304, .alloc_index = 35063},
    MemoryLimitHitRelease{.desired = 157},
    Allocate{.length = 255, .num_objects = 1, .density_dense = true},
    Allocate{.length = 255, .num_objects = 1, .density_dense = false},
    Allocate{.length = 255, .num_objects = 206, .density_dense = false},
    Deallocate{.tracker_index = 0, .alloc_index = 0},
    Allocate{.length = 255, .num_objects = 1156, .density_dense = true},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherStats{},
    GatherStats{}, GatherStats{}, GatherStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{}, GatherSpanStats{},
    GatherSpanStats{}, GatherSpanStats{},
