open! Core
open! Async
let%expect_test "decode error during memmove" =
let%map () = Perf_script.run ~trace_scope:Userspace "memmove_decode_error.perf" in
[%expect
{|
Warning: perf reported an error decoding the trace: 'Overflow packet' @ IP 0x7ffff7327730.
293415/293415 47170.086912824: 1 branches:uH: call 40b06c itch_bbo::book::Book::add_order+0x51c (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
293415/293415 47170.086912825: 1 branches:uH: return 7ffff73277c7 __memmove_avx_unaligned_erms+0x97 (foo.so) => 40b072 itch_bbo::book::Book::add_order+0x522 (foo.so)
-> 19ns BEGIN __memmove_avx_unaligned_erms
293415/293415 47170.086912826: 1 branches:uH: call 40b093 itch_bbo::book::Book::add_order+0x543 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
-> 20ns END __memmove_avx_unaligned_erms
instruction trace error type 1 time 47170.086912826 cpu -1 pid 293415 tid 293415 ip 0x7ffff7327730 code 7: Overflow packet
-> 21ns BEGIN [decode error: Overflow packet]
-> END [decode error: Overflow packet]
-> 0ns BEGIN itch_bbo::book::Book::add_order [inferred start time]
-> 21ns BEGIN __memmove_avx_unaligned_erms
-> 21ns END __memmove_avx_unaligned_erms
-> 21ns END itch_bbo::book::Book::add_order
293415/293415 47170.086912872: 1 branches:uH: tr strt 0 [unknown] (foo.so) => 7ffff7327786 __memmove_avx_unaligned_erms+0x56 (foo.so)
293415/293415 47170.086912946: 1 branches:uH: return 7ffff73277d4 __memmove_avx_unaligned_erms+0xa4 (foo.so) => 40b099 itch_bbo::book::Book::add_order+0x549 (foo.so)
-> 67ns BEGIN __memmove_avx_unaligned_erms
INPUT TRACE STREAM ENDED, any lines printed below this were deferred
-> 21ns BEGIN itch_bbo::book::Book::add_order [inferred start time]
-> 141ns END __memmove_avx_unaligned_erms
-> 141ns END itch_bbo::book::Book::add_order |}]
;;
let%expect_test "decode error during rust B-tree rebalance" =
let%map () =
Perf_script.run ~trace_scope:Userspace "btree_rebalance_decode_error.perf"
in
[%expect
{|
Warning: perf reported an error decoding the trace: 'Overflow packet' @ IP 0x7ffff7327730.
Warning: perf reported an error decoding the trace: 'Overflow packet' @ IP 0x7ffff7327730.
364691/364691 62709.735347729: 1 branches:uH: call 40bc5a itch_bbo::book::Book::delete_order+0x3ca (foo.so) => 40a550 remove_leaf_kv+0x0 (foo.so)
364691/364691 62709.735347731: 1 branches:uH: call 40a5b2 remove_leaf_kv+0x62 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
-> 28ns BEGIN remove_leaf_kv
364691/364691 62709.735347733: 1 branches:uH: return 7ffff73277b6 __memmove_avx_unaligned_erms+0x86 (foo.so) => 40a5b5 remove_leaf_kv+0x65 (foo.so)
-> 30ns BEGIN __memmove_avx_unaligned_erms
364691/364691 62709.735347733: 1 branches:uH: call 40a5d6 remove_leaf_kv+0x86 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
364691/364691 62709.735347737: 1 branches:uH: return 7ffff73277c7 __memmove_avx_unaligned_erms+0x97 (foo.so) => 40a5d9 remove_leaf_kv+0x89 (foo.so)
-> 32ns END __memmove_avx_unaligned_erms
-> 32ns BEGIN __memmove_avx_unaligned_erms
364691/364691 62709.735347741: 1 branches:uH: call 40a6c3 remove_leaf_kv+0x173 (foo.so) => 40a1d0 merge_tracking_child_edge+0x0 (foo.so)
-> 36ns END __memmove_avx_unaligned_erms
364691/364691 62709.735347757: 1 branches:uH: call 40a297 merge_tracking_child_edge+0xc7 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
-> 40ns BEGIN merge_tracking_child_edge
364691/364691 62709.735347758: 1 branches:uH: return 7ffff73277b6 __memmove_avx_unaligned_erms+0x86 (foo.so) => 40a29d merge_tracking_child_edge+0xcd (foo.so)
-> 56ns BEGIN __memmove_avx_unaligned_erms
364691/364691 62709.735347759: 1 branches:uH: call 40a2c9 merge_tracking_child_edge+0xf9 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
-> 57ns END __memmove_avx_unaligned_erms
364691/364691 62709.735347760: 1 branches:uH: return 7ffff73277b6 __memmove_avx_unaligned_erms+0x86 (foo.so) => 40a2cf merge_tracking_child_edge+0xff (foo.so)
-> 58ns BEGIN __memmove_avx_unaligned_erms
364691/364691 62709.735347760: 1 branches:uH: call 40a2ee merge_tracking_child_edge+0x11e (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
instruction trace error type 1 time 62709.735347760 cpu -1 pid 364691 tid 364691 ip 0x7ffff7327730 code 7: Overflow packet
-> 59ns BEGIN [decode error: Overflow packet]
-> END [decode error: Overflow packet]
-> 0ns BEGIN itch_bbo::book::Book::delete_order [inferred start time]
-> 59ns END __memmove_avx_unaligned_erms
-> 59ns BEGIN __memmove_avx_unaligned_erms
-> 59ns END __memmove_avx_unaligned_erms
-> 59ns END merge_tracking_child_edge
-> 59ns END remove_leaf_kv
-> 59ns END itch_bbo::book::Book::delete_order
364691/364691 62709.735347806: 1 branches:uH: tr strt 0 [unknown] (foo.so) => 7ffff7327786 __memmove_avx_unaligned_erms+0x56 (foo.so)
364691/364691 62709.735347959: 1 branches:uH: return 7ffff73277c7 __memmove_avx_unaligned_erms+0x97 (foo.so) => 40a2f4 merge_tracking_child_edge+0x124 (foo.so)
-> 105ns BEGIN __memmove_avx_unaligned_erms
364691/364691 62709.735347962: 1 branches:uH: call 40a320 merge_tracking_child_edge+0x150 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
-> 258ns END __memmove_avx_unaligned_erms
364691/364691 62709.735347963: 1 branches:uH: return 7ffff73277c7 __memmove_avx_unaligned_erms+0x97 (foo.so) => 40a326 merge_tracking_child_edge+0x156 (foo.so)
-> 261ns BEGIN __memmove_avx_unaligned_erms
364691/364691 62709.735347964: 1 branches:uH: call 40a340 merge_tracking_child_edge+0x170 (foo.so) => 7ffff7327730 __memmove_avx_unaligned_erms+0x0 (foo.so)
-> 262ns END __memmove_avx_unaligned_erms
364691/364691 62709.735347964: 1 branches:uH: return 7ffff732775e __memmove_avx_unaligned_erms+0x2e (foo.so) => 40a346 merge_tracking_child_edge+0x176 (foo.so)
364691/364691 62709.735348001: 1 branches:uH: call 40a4dd merge_tracking_child_edge+0x30d (foo.so) => 40e1d0 __rust_dealloc+0x0 (foo.so)
-> 263ns BEGIN __memmove_avx_unaligned_erms
-> 300ns END __memmove_avx_unaligned_erms
364691/364691 62709.735348001: 1 branches:uH: jmp 40e1d0 __rust_dealloc+0x0 (foo.so) => 4269f0 __rdl_dealloc+0x0 (foo.so)
364691/364691 62709.735348001: 1 branches:uH: jmp 4269f0 __rdl_dealloc+0x0 (foo.so) => 7ffff724d0e0 cfree@GLIBC_2.2.5+0x0 (foo.so)
364691/364691 62709.735348001: 1 branches:uH: jmp 7ffff724d13d cfree@GLIBC_2.2.5+0x5d (foo.so) => 7ffff7249c00 _int_free+0x0 (foo.so)
364691/364691 62709.735348120: 1 branches:uH: return 7ffff7249d52 _int_free+0x152 (foo.so) => 40a4e3 merge_tracking_child_edge+0x313 (foo.so)
-> 300ns BEGIN __rust_dealloc
-> 329ns END __rust_dealloc
-> 329ns BEGIN __rdl_dealloc
-> 359ns END __rdl_dealloc
-> 359ns BEGIN cfree@GLIBC_2.2.5
-> 389ns END cfree@GLIBC_2.2.5
-> 389ns BEGIN _int_free
364691/364691 62709.735348120: 1 branches:uH: return 40a517 merge_tracking_child_edge+0x347 (foo.so) => 40a6c8 remove_leaf_kv+0x178 (foo.so)
instruction trace error type 1 time 62709.735348121 cpu -1 pid 364691 tid 364691 ip 0x7ffff7327730 code 7: Overflow packet
-> 420ns BEGIN [decode error: Overflow packet]
-> END [decode error: Overflow packet]
-> 59ns BEGIN remove_leaf_kv [inferred start time]
-> 59ns BEGIN merge_tracking_child_edge [inferred start time]
-> 419ns END _int_free
-> 419ns END merge_tracking_child_edge
-> 420ns END remove_leaf_kv
INPUT TRACE STREAM ENDED, any lines printed below this were deferred |}]
;;