)]}'
{
  "log": [
    {
      "commit": "1bb907e47dc351ec530279a34e7af29f4c9574c8",
      "tree": "cba871f6ec359c16b818965e8edbb3961d6aabe2",
      "parents": [
        "59cb52189d350fa9fb38b767fa9b25d971375833"
      ],
      "author": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Jun 22 10:04:39 2015 -0700"
      },
      "committer": {
        "name": "Andreas Gampe",
        "email": "agampe@google.com",
        "time": "Mon Jun 22 10:04:39 2015 -0700"
      },
      "message": "ART: Avoid recursive abort in barrier\n\nTry to avoid recursive abort in barrier. May lead to a segfault\ninstead of a nested abort in bad cases.\n\nChange-Id: I0e7976b77c243956dbcf81142bd5df81d5927ce0\n"
    },
    {
      "commit": "80afd02024d20e60b197d3adfbb43cc303cf29e0",
      "tree": "ef054c7b4f2a739f7cf063e0bc4c501c2c7e41b5",
      "parents": [
        "559b178e34c5d92e7932f92e5d8a981ac334606f"
      ],
      "author": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue May 19 18:08:00 2015 +0100"
      },
      "committer": {
        "name": "Vladimir Marko",
        "email": "vmarko@google.com",
        "time": "Tue May 26 15:59:02 2015 +0100"
      },
      "message": "ART: Clean up arm64 kNumberOfXRegisters usage.\n\nAvoid undefined behavior for arm64 stemming from 1u \u003c\u003c 32 in\nloops with upper bound kNumberOfXRegisters.\n\nCreate iterators for enumerating bits in an integer either\nfrom high to low or from low to high and use them for\n\u003carch\u003eContext::FillCalleeSaves() on all architectures.\n\nRefactor runtime/utils.{h,cc} by moving all bit-fiddling\nfunctions to runtime/base/bit_utils.{h,cc} (together with\nthe new bit iterators) and all time-related functions to\nruntime/base/time_utils.{h,cc}. Improve test coverage and\nfix some corner cases for the bit-fiddling functions.\n\nBug: 13925192\nChange-Id: I704884dab15b41ecf7a1c47d397ab1c3fc7ee0f7\n"
    },
    {
      "commit": "4c0eb42259d790fddcd9978b66328dbb3ab65615",
      "tree": "9d1ac505dfd4d0225f479d860b72a58747c8f6ce",
      "parents": [
        "223f2f5b2a20ca8246da1523494900a2424d5956"
      ],
      "author": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Apr 24 16:43:49 2015 +0100"
      },
      "committer": {
        "name": "Roland Levillain",
        "email": "rpl@google.com",
        "time": "Fri Apr 24 16:43:49 2015 +0100"
      },
      "message": "Ensure inlined static calls perform clinit checks in Optimizing.\n\nCalls to static methods have implicit class initialization\n(clinit) checks of the method\u0027s declaring class in\nOptimizing.  However, when such a static call is inlined,\nthe implicit clinit check vanishes, possibly leading to an\nincorrect behavior.\n\nTo ensure that inlining static methods does not change the\nbehavior of a program, add explicit class initialization\nchecks (art::HClinitCheck) as well as load class\ninstructions (art::HLoadClass) as last input of static\ncalls (art::HInvokeStaticOrDirect) in Optimizing\u0027 control\nflow graphs, when the declaring class is reachable and not\nknown to be already initialized.  Then when considering the\ninlining of a static method call, proceed only if the method\nhas no implicit clinit check requirement.\n\nThe added explicit clinit checks are already removed by the\nart::PrepareForRegisterAllocation visitor.  This CL also\nextends this visitor to turn explicit clinit checks from\nstatic invokes into implicit ones after the inlining step,\nby removing the added art::HLoadClass nodes mentioned\nhereinbefore.\n\nChange-Id: I9ba452b8bd09ae1fdd9a3797ef556e3e7e19c651\n"
    },
    {
      "commit": "5567c11b9157eec110c0631aa2bff5836631e868",
      "tree": "6385002190e857aa2cedd813f461bb6b038fe4c5",
      "parents": [
        "27478e627e08ab42c43d5d934da9ea336ccaf628"
      ],
      "author": {
        "name": "Hans Boehm",
        "email": "hboehm@google.com",
        "time": "Tue Dec 02 18:31:31 2014 -0800"
      },
      "committer": {
        "name": "Hans Boehm",
        "email": "hboehm@google.com",
        "time": "Thu Dec 04 10:20:12 2014 -0800"
      },
      "message": "Make Barrier robust against spurious wakeups\n\nFix Barrier implementation so that Wait cannot return prematurely\ndue to a spurious condition variable wakeup or interrupted futex call.\n\nDocument the resulting semantics of barrier.h, which are a bit surprising,\nbut appear to be exactly what current clients need.\n\nFix the test so that it actually passes with the fixed barrier.h,\nand no longer tests for properties that can\u0027t be correctly satisfied.\n\nImprove comment for InitTimeSpec, which we almost used.\n\nBug:18509123\n\nChange-Id: I0b25f33bcd22322ba04e3951cd484843788c2bf5\n"
    },
    {
      "commit": "8409ec440079020bbe4ad066cf18a5fadfba67d2",
      "tree": "20a5876198e3292b309b00d88345978f1f194a0e",
      "parents": [
        "b5331ef9bb2ae68c392e5da3da13816bd43e5b1d"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 04 17:57:02 2014 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 04 17:57:02 2014 -0800"
      },
      "message": "Make thread dumping more tolerant of broken invariants during abort.\n\nChange-Id: Ie1bc20debe72f2ea2bf4c1be50cd9877c823670a\n"
    },
    {
      "commit": "7b078e8c04f3e1451dbdd18543c8b9692b5b067e",
      "tree": "414229c6b87eb20ea24c40780752da5a3999a49a",
      "parents": [
        "f79ba17defbd9342e44ab9f3de0807054673d3c9"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Wed Sep 10 14:44:24 2014 -0700"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Fri Sep 12 14:57:53 2014 -0700"
      },
      "message": "Compile time performance improvements focusing on interpret-only.\n\nReduce virtual method dispatch in the method verifier and make more code\ninline-able.\nAdd a StringPiece with const char* equality operator to avoid redundant\nStringPieces and strlens.\nRemove back link from register line to verifier and pass as argument to reduce\nsize of RegisterLine.\nRemove instruction length from instruction flags and compute from the\ninstruction, again to reduce size.\nAdd suspend checks to resolve and verify to allow for more easy monitor\ninflation and reduce contention on Locks::thread_list_suspend_thread_lock_.\nChange ThrowEarlierClassFailure to throw pre-allocated exception.\nAvoid calls to Thread::Current() by passing self.\nTemplate specialize IsValidClassName.\nMake ANR reporting with SIGQUIT run using checkpoints rather than suspending\nall threads. This makes the stack/lock analysis less lock error prone.\nExtra Barrier assertions and condition variable time out is now returned as a\nboolean both from Barrier and ConditionVariable::Wait.\n\n2 threaded host x86-64 interpret-only numbers from 341 samples:\nBefore change: Avg 176.137ms 99% CI 3.468ms to 1060.770ms\nAfter change: Avg 139.163% 99% CI 3.027ms to 838.257ms\nReduction in average compile time after change is 20.9%.\nSlow-down without change is 26.5%.\n\nBug: 17471626 - Fix bug where RegTypeCache::JavaLangObject/String/Class/Throwable\ncould return unresolved type when class loading is disabled.\nBug: 17398101\n\nChange-Id: Id59ce3cc520701c6ecf612f7152498107bc40684\n"
    },
    {
      "commit": "0aded089f565008ba5908e395e5914ca4f91f2de",
      "tree": "3b1238d956e0181d00243604c83c3a0be368437d",
      "parents": [
        "98ba6cebd22489c959d845884ee045dcbd958d41"
      ],
      "author": {
        "name": "Dave Allison",
        "email": "dallison@google.com",
        "time": "Thu Nov 07 13:15:11 2013 -0800"
      },
      "committer": {
        "name": "Dave Allison",
        "email": "dallison@google.com",
        "time": "Tue Jan 07 10:58:07 2014 -0800"
      },
      "message": "Add sampling profiler\n\nThis adds a sampling profiler thread that runs every so often, gathering\nprofiling data and writing the results to a file in /data/data (specific to\napp running).  The intention is to use these files as input to the compiler\nso that it can determine the best methods to compile.\n\nBug: 11539952\nChange-Id: I0bfbb4146fb7966673c792f017ffac8107b6272d\n"
    },
    {
      "commit": "0cd7ec2dcd8d7ba30bf3ca420b40dac52849876c",
      "tree": "525a0f99f9381156367c988133b5d51d5dfef6f7",
      "parents": [
        "f69863b3039fc621ff4250e262d2a024d5e79ec8"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Wed Jul 17 23:40:20 2013 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Thu Jul 18 00:12:43 2013 -0700"
      },
      "message": "Fix cpplint whitespace/blank_line issues\n\nChange-Id: Ice937e95e23dd622c17054551d4ae4cebd0ef8a2\n"
    },
    {
      "commit": "7940e44f4517de5e2634a7e07d58d0fb26160513",
      "tree": "ac90242d96229a6942f6e24ab137bc1f8f2e0025",
      "parents": [
        "5cd9e3b122f276f610980cbaf0d2ad6ed4cd9088"
      ],
      "author": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Fri Jul 12 13:46:57 2013 -0700"
      },
      "committer": {
        "name": "Brian Carlstrom",
        "email": "bdc@google.com",
        "time": "Fri Jul 12 17:49:01 2013 -0700"
      },
      "message": "Create separate Android.mk for main build targets\n\nThe runtime, compiler, dex2oat, and oatdump now are in seperate trees\nto prevent dependency creep.  They can now be individually built\nwithout rebuilding the rest of the art projects. dalvikvm and jdwpspy\nwere already this way. Builds in the art directory should behave as\nbefore, building everything including tests.\n\nChange-Id: Ic6b1151e5ed0f823c3dd301afd2b13eb2d8feb81\n"
    },
    {
      "commit": "76b6167407c2b6f5d40ad895b2793a6b037f54b2",
      "tree": "5c433a0907ddf401f4078b6703253b1ae75e723e",
      "parents": [
        "f66330a747eff155eb571b634fc9d901c55a78a7"
      ],
      "author": {
        "name": "Elliott Hughes",
        "email": "enh@google.com",
        "time": "Wed Dec 12 17:47:30 2012 -0800"
      },
      "committer": {
        "name": "Elliott Hughes",
        "email": "enh@google.com",
        "time": "Wed Dec 12 18:11:44 2012 -0800"
      },
      "message": "Move mutex.h into base/mutex.h.\n\nWe don\u0027t actually need any hackery to get the right mutex.h any\nmore, but since we planned on having the google3-like stuff\nin google3-like locations, this is an easy one to fix.\n\nChange-Id: Ie27464ebbc208a6f4e694a97cf26b1cee0737009\n"
    },
    {
      "commit": "5bd97c483c1de1eb97afe76123b1b9ab53095edf",
      "tree": "b89265e6f2b716ada55582cec76ccc506bb153c7",
      "parents": [
        "25c15cebebc6e816f27ffc520dd399944fa3f9fe"
      ],
      "author": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 27 02:38:26 2012 -0800"
      },
      "committer": {
        "name": "Ian Rogers",
        "email": "irogers@google.com",
        "time": "Tue Nov 27 02:38:26 2012 -0800"
      },
      "message": "Fix and enable ART futexes.\n\nChange-Id: I5c49e370de0dcf438352f0c657e77d8ba53f4d27\n"
    },
    {
      "commit": "35883cc623fdf475a4ead1dafcba9e9becc1ed11",
      "tree": "792bdfcb0a556f7c54a35d9c0e4409d3ca4dd2e5",
      "parents": [
        "ec13743da80a80c1817cf6660c28917fc28846bc"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Nov 13 14:08:12 2012 -0800"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Nov 13 16:33:39 2012 -0800"
      },
      "message": "Ensure ThreadPool constructor does not return until fully initialized.\n\nThread pool was being deleted too early during runtime shutdown,\nthis was causing a GC running during runtime shutdown to\noccasionally reference a deleted thread pool.\n\nFixed an error where the thread pool was being deleted before the\nthreads were done attaching by making the thread pool constructor\nblock until all of the threads are attached.\n\nChange-Id: I5f0884a74d78c4541ee0e582112857077f3f594f\n"
    },
    {
      "commit": "0e4627e593bc39f8e3d89c31f8977d55054c07cc",
      "tree": "1d69558732c0c916e51a530985a26d4235ef0e6c",
      "parents": [
        "9281f004db3f194930ef34d31e5d80c98341f38f"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Tue Oct 23 16:13:36 2012 -0700"
      },
      "committer": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Fri Oct 26 12:00:03 2012 -0700"
      },
      "message": "Add thread pool class\n\nAdded a thread pool class loosely based on google3 code.\n\nModified the compiler to have a single thread pool instead of creating new threads in ForAll.\n\nMoved barrier to be in top level directory as it is not GC specific code.\n\nPerformance Timings:\n\nReference:\nboot.oat: 14.306596s\ntime mm oat-target:\nreal    2m33.748s\nuser    10m23.190s\nsys 5m54.140s\n\nThread pool:\nboot.oat: 13.111049s\ntime mm oat-target:\nreal    2m29.372s\nuser    10m3.130s\nsys 5m46.290s\n\nThe speed increase is probably just noise.\n\nChange-Id: If3c1280cbaa4c7e4361127d064ac744ea12cdf49\n"
    },
    {
      "commit": "858f1c5fd5e528d0b16040ced74d4636046a42d8",
      "tree": "3cfe50b75962353cdd62ec68112f3f148f026506",
      "parents": [
        "ef851d3058abfc56ed544f25d387dc7ff9c32e0b"
      ],
      "author": {
        "name": "Mathieu Chartier",
        "email": "mathieuc@google.com",
        "time": "Wed Oct 17 17:45:55 2012 -0700"
      },
      "committer": {
        "name": "Android (Google) Code Review",
        "email": "android-gerrit@google.com",
        "time": "Tue Oct 23 10:38:45 2012 -0700"
      },
      "message": "Check point root marking.\n\nAdded thread list checkpoint function, this goes through every thread and runs\nthe checkpoint on each thread. Threads that are runnable run the checkpoint\ncallback themselves in the next suspend check, while suspended threads are\nleft suspended but have the callback called on them.\n\nAdded a checkpoint visitor member to each thread, this visitor called when the\ncheckpoint request flag is set during transitions to suspended from runnable.\n\nUsing the checkpoint to mark the roots reduces the first pause of partial /\nfull gc to around 1 ms.\n\nChange-Id: I97239cc72ee0e4a3397e9138a62ee559268dce0a\n"
    }
  ]
}