wehub-resource-sync
64 lines
5.9 KiB
OCaml
64 lines
5.9 KiB
OCaml
open! Core
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open! Async
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let%expect_test "an mcall/gogo pair from a small go program" =
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let%map () = Perf_script.run ~trace_scope:Userspace "simple_gogo.perf" in
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[%expect
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{|
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3109264/3109264 3363099.849998148: 1 branches:uH: tr strt 0 [unknown] (foo.so) => 404bf2 runtime.chanrecv+0x372 (foo.so)
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3109264/3109264 3363099.849998187: 1 branches:uH: call 404de7 runtime.chanrecv+0x567 (foo.so) => 4307e0 runtime.gopark+0x0 (foo.so)
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3109264/3109264 3363099.849998187: 1 branches:uH: call 4308b1 runtime.gopark+0xd1 (foo.so) => 455260 runtime.mcall+0x0 (foo.so)
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3109264/3109264 3363099.849998225: 1 branches:uH: call 4552a0 runtime.mcall+0x40 (foo.so) => 436e60 runtime.park_m+0x0 (foo.so)
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-> 39ns BEGIN runtime.gopark
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-> 58ns BEGIN runtime.mcall
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3109264/3109264 3363099.849998235: 1 branches:uH: call 436eb4 runtime.park_m+0x54 (foo.so) => 432360 runtime.casgstatus+0x0 (foo.so)
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-> 77ns BEGIN runtime.park_m
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3109264/3109264 3363099.849998261: 1 branches:uH: return 43262b runtime.casgstatus+0x2cb (foo.so) => 436eb9 runtime.park_m+0x59 (foo.so)
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-> 87ns BEGIN runtime.casgstatus
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3109264/3109264 3363099.849998718: 1 branches:uH: call 436f05 runtime.park_m+0xa5 (foo.so) => 405180 runtime.chanparkcommit+0x0 (foo.so)
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-> 113ns END runtime.casgstatus
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3109264/3109264 3363099.849998831: 1 branches:uH: call 4051ab runtime.chanparkcommit+0x2b (foo.so) => 4094e0 runtime.unlock2+0x0 (foo.so)
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-> 570ns BEGIN runtime.chanparkcommit
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3109264/3109264 3363099.849998854: 1 branches:uH: return 409548 runtime.unlock2+0x68 (foo.so) => 4051b0 runtime.chanparkcommit+0x30 (foo.so)
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-> 683ns BEGIN runtime.unlock2
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3109264/3109264 3363099.849998854: 1 branches:uH: return 4051be runtime.chanparkcommit+0x3e (foo.so) => 436f07 runtime.park_m+0xa7 (foo.so)
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3109264/3109264 3363099.849998866: 1 branches:uH: call 436fa8 runtime.park_m+0x148 (foo.so) => 436820 runtime.schedule+0x0 (foo.so)
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-> 706ns END runtime.unlock2
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-> 706ns END runtime.chanparkcommit
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3109264/3109264 3363099.850068993: 1 branches:uH: call 436872 runtime.schedule+0x52 (foo.so) => 435140 runtime.execute+0x0 (foo.so)
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-> 718ns BEGIN runtime.schedule
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3109264/3109264 3363099.850069069: 1 branches:uH: call 4351c0 runtime.execute+0x80 (foo.so) => 432360 runtime.casgstatus+0x0 (foo.so)
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-> 70.845us BEGIN runtime.execute
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3109264/3109264 3363099.850069114: 1 branches:uH: return 43262b runtime.casgstatus+0x2cb (foo.so) => 4351c5 runtime.execute+0x85 (foo.so)
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-> 70.921us BEGIN runtime.casgstatus
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3109264/3109264 3363099.850069116: 1 branches:uH: call 435269 runtime.execute+0x129 (foo.so) => 455240 runtime.gogo.abi0+0x0 (foo.so)
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-> 70.966us END runtime.casgstatus
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3109264/3109264 3363099.850069116: 1 branches:uH: jmp 45524c runtime.gogo.abi0+0xc (foo.so) => 454460 gogo+0x0 (foo.so)
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3109264/3109264 3363099.850069118: 1 branches:uH: jmp 45449e gogo+0x3e (foo.so) => 4308b6 runtime.gopark+0xd6 (foo.so)
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-> 70.968us BEGIN runtime.gogo.abi0
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-> 70.969us END runtime.gogo.abi0
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-> 70.969us BEGIN gogo
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3109264/3109264 3363099.850069130: 1 branches:uH: return 4308c0 runtime.gopark+0xe0 (foo.so) => 404dec runtime.chanrecv+0x56c (foo.so)
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-> 70.97us END gogo
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-> 70.97us END runtime.execute
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-> 70.97us END runtime.schedule
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-> 70.97us END runtime.park_m
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-> 70.97us END runtime.mcall
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-> 70.97us END runtime.gopark
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-> 70.97us BEGIN runtime.gopark
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3109264/3109264 3363099.850069207: 1 branches:uH: call 404ea0 runtime.chanrecv+0x620 (foo.so) => 430ce0 runtime.releaseSudog+0x0 (foo.so)
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-> 70.982us END runtime.gopark
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3109264/3109264 3363099.850069390: 1 branches:uH: return 430e4e runtime.releaseSudog+0x16e (foo.so) => 404ea5 runtime.chanrecv+0x625 (foo.so)
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-> 71.059us BEGIN runtime.releaseSudog
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3109264/3109264 3363099.850069411: 1 branches:uH: return 404ebe runtime.chanrecv+0x63e (foo.so) => 404858 runtime.chanrecv1+0x18 (foo.so)
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-> 71.242us END runtime.releaseSudog
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3109264/3109264 3363099.850069422: 1 branches:uH: return 404861 runtime.chanrecv1+0x21 (foo.so) => 413f76 runtime.gcenable+0xb6 (foo.so)
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-> 71.263us END runtime.chanrecv
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INPUT TRACE STREAM ENDED, any lines printed below this were deferred
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-> 0ns BEGIN runtime.gcenable [inferred start time]
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-> 0ns BEGIN runtime.chanrecv1 [inferred start time]
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-> 0ns BEGIN runtime.chanrecv
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-> 71.274us END runtime.chanrecv1
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-> 71.274us END runtime.gcenable |}]
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;;
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