)]}' { "log": [ { "commit": "8f21748bf127012947ed48c40948df3f2d9c85ef", "tree": "70d287634fd0b3a2d43ad8de7738c9703eb0a2a6", "parents": [ "ce5c830aede3313ceb22f7b2ca6c30e5b8432972" ], "author": { "name": "Vladimir Marko", "email": "vmarko@google.com", "time": "Wed Jul 14 17:16:36 2021 +0100" }, "committer": { "name": "Vladimir Marko", "email": "vmarko@google.com", "time": "Fri Jul 16 09:44:43 2021 +0000" }, "message": "Mark move constructors/assignements as `noexcept`.\n\nAnd unmark `HashSet` copy constructor and copy assignment.\n\nTest: m\nChange-Id: Ia419f3036b2880815be446395e81c7e543388bd9\n" }, { "commit": "0613605645846299f61d52e8a6ffd58f6ce04063", "tree": "a824b61d1f8b01b9d907b9df9ea51757dc98ed65", "parents": [ "11943fce963dedeaa9b2d261afa7c30f4bcc0b81" ], "author": { "name": "Lokesh Gidra", "email": "lokeshgidra@google.com", "time": "Mon Mar 01 09:46:20 2021 -0800" }, "committer": { "name": "Lokesh Gidra", "email": "lokeshgidra@google.com", "time": "Tue Mar 02 18:41:48 2021 +0000" }, "message": "Replace histogram in CumulativeLogger with average\n\nHistograms has non-trivial memory consumption and hence using it in\nCumulativeLogger to track time spent in each function results in\nsignificant private dirty memory (see the bug). The detailed stats that\nhistograms provide aren\u0027t really needed. So, replacing with averages.\n\nBug: 179396782\nTest: art/test/testrunner/testrunner.py --host --runtime-option\u003d-XX:DumpGCPerformanceOnShutdown\nChange-Id: I9ed48e9ced124f2a02bf0411e188f87504db5422\n" }, { "commit": "0bbac3089b5637103585b04774eea3d959c4f24d", "tree": "62685295f10f87548d4a14996f384e943645130d", "parents": [ "365a64b2085392f4d625725793f10f50f191853c" ], "author": { "name": "Andreas Gampe", "email": "agampe@google.com", "time": "Fri Nov 30 09:44:12 2018 -0800" }, "committer": { "name": "Andreas Gampe", "email": "agampe@google.com", "time": "Thu Dec 06 11:37:19 2018 -0800" }, "message": "ART: Hide mutex in TimingLogger\n\nEnsure that timing_logger.h does not pull in mutex.h.\n\nBug: 119869270\nTest: m test-art-host\nChange-Id: I84b92dbc435a3f273f3dc519bbf7948220636c2f\n" }, { "commit": "3d69922789f41f9d66e9b82c56c668538d8163ee", "tree": "5ebd1b220152e27c83ba1d9bd26aa6f9eb91d2fd", "parents": [ "93780a60090356921b844dbefdc13442c9f18b52" ], "author": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Wed Sep 20 15:15:20 2017 +0100" }, "committer": { "name": "Nicolas Geoffray", "email": "ngeoffray@google.com", "time": "Fri Sep 22 09:31:42 2017 +0100" }, "message": "Change JIT timings to collect thread CPU time.\n\nTest: m\nTest: timing_logger_test.cc\nChange-Id: I26fd86e66c4dd967dc62b629f6b6cde97b71ed13\n" }, { "commit": "3887c468d731420e929e6ad3acf190d5431e94fc", "tree": "67dacb849e722e33e118b97714a48e467c06cbd5", "parents": [ "6a5037eb3340e4c981fd7de3ff45167ee5b7fc82" ], "author": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Wed Aug 12 18:15:42 2015 +0100" }, "committer": { "name": "Roland Levillain", "email": "rpl@google.com", "time": "Wed Aug 12 18:15:42 2015 +0100" }, "message": "Remove unnecessary `explicit` qualifiers on constructors.\n\nChange-Id: Id12e392ad50f66a6e2251a68662b7959315dc567\n" }, { "commit": "90443477f9a0061581c420775ce3b7eeae7468bc", "tree": "8c74b81dfae162e0fd0ccf8d5ac50827ba815174", "parents": [ "6078aec213dfaf111c29969706e8e5967cfc9bea" ], "author": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Thu Jul 16 20:32:27 2015 -0700" }, "committer": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Wed Jul 22 15:13:56 2015 -0700" }, "message": "Move to newer clang annotations\n\nAlso enable -Wthread-safety-negative.\n\nChanges:\nSwitch to capabilities and negative capabilities.\n\nFuture work:\nUse capabilities to implement uninterruptible annotations to work\nwith AssertNoThreadSuspension.\n\nBug: 20072211\n\nChange-Id: I42fcbe0300d98a831c89d1eff3ecd5a7e99ebf33\n" }, { "commit": "f5997b4d3f889569d5a2b724d83d764bfbb8d106", "tree": "f0d3b3890a604a8b3c4c87c0f408f86df041690e", "parents": [ "9658d24deaa9bd07781bfac860d2a6dd89066d55" ], "author": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Fri Jun 20 10:37:54 2014 -0700" }, "committer": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Tue Jun 24 13:45:05 2014 -0700" }, "message": "More advanced timing loggers.\n\nThe new timing loggers have lower overhead since they only push into\na vector. The new format has two types, a start timing and a stop\ntiming. You can thing of these as brackets associated with a\ntimestamp. It uses these to construct various statistics when needed,\nsuch as: Total time, exclusive time, and nesting depth.\n\nChanged PrettyDuration to have a default of 3 digits after the decimal\npoint.\n\nExaple of a GC dump with exclusive / total times and indenting:\nI/art (23546): GC iteration timing logger [Exclusive time] [Total time]\nI/art (23546): 0ms InitializePhase\nI/art (23546): 0.305ms/167.746ms MarkingPhase\nI/art (23546): 0ms BindBitmaps\nI/art (23546): 0ms FindDefaultSpaceBitmap\nI/art (23546): 0ms/1.709ms ProcessCards\nI/art (23546): 0.183ms ImageModUnionClearCards\nI/art (23546): 0.916ms ZygoteModUnionClearCards\nI/art (23546): 0.610ms AllocSpaceClearCards\nI/art (23546): 1.373ms AllocSpaceClearCards\nI/art (23546): 0.305ms/6.318ms MarkRoots\nI/art (23546): 2.106ms MarkRootsCheckpoint\nI/art (23546): 0.153ms MarkNonThreadRoots\nI/art (23546): 4.287ms MarkConcurrentRoots\nI/art (23546): 43.461ms UpdateAndMarkImageModUnionTable\nI/art (23546): 0ms/112.712ms RecursiveMark\nI/art (23546): 112.712ms ProcessMarkStack\nI/art (23546): 0.610ms/2.777ms PreCleanCards\nI/art (23546): 0.305ms/0.855ms ProcessCards\nI/art (23546): 0.153ms ImageModUnionClearCards\nI/art (23546): 0.610ms ZygoteModUnionClearCards\nI/art (23546): 0.610ms AllocSpaceClearCards\nI/art (23546): 0.549ms AllocSpaceClearCards\nI/art (23546): 0.549ms MarkRootsCheckpoint\nI/art (23546): 0.610ms MarkNonThreadRoots\nI/art (23546): 0ms MarkConcurrentRoots\nI/art (23546): 0.610ms ScanGrayImageSpaceObjects\nI/art (23546): 0.305ms ScanGrayZygoteSpaceObjects\nI/art (23546): 0.305ms ScanGrayAllocSpaceObjects\nI/art (23546): 1.129ms ScanGrayAllocSpaceObjects\nI/art (23546): 0ms ProcessMarkStack\nI/art (23546): 0ms/0.977ms (Paused)PausePhase\nI/art (23546): 0.244ms ReMarkRoots\nI/art (23546): 0.672ms (Paused)ScanGrayObjects\nI/art (23546): 0ms (Paused)ProcessMarkStack\nI/art (23546): 0ms/0.610ms SwapStacks\nI/art (23546): 0.610ms RevokeAllThreadLocalAllocationStacks\nI/art (23546): 0ms PreSweepingGcVerification\nI/art (23546): 0ms/10.621ms ReclaimPhase\nI/art (23546): 0.610ms/0.702ms ProcessReferences\nI/art (23546): 0.214ms/0.641ms EnqueueFinalizerReferences\nI/art (23546): 0.427ms ProcessMarkStack\nI/art (23546): 0.488ms SweepSystemWeaks\nI/art (23546): 0.824ms/9.400ms Sweep\nI/art (23546): 0ms SweepMallocSpace\nI/art (23546): 0.214ms SweepZygoteSpace\nI/art (23546): 0.122ms SweepMallocSpace\nI/art (23546): 6.226ms SweepMallocSpace\nI/art (23546): 0ms SweepMallocSpace\nI/art (23546): 2.144ms SweepLargeObjects\nI/art (23546): 0.305ms SwapBitmaps\nI/art (23546): 0ms UnBindBitmaps\nI/art (23546): 0.275ms FinishPhase\nI/art (23546): GC iteration timing logger: end, 178.971ms\n\nChange-Id: Ia55b65609468f212b3cd65cda66b843da42be645\n" }, { "commit": "afe4998fc15b8de093d6b282c9782d7182829e36", "tree": "bcb64fa7db43ece36a3e492deab5f9c162d39aa5", "parents": [ "67ad224199b9902b3e6d85737e03b679d1ab44f9" ], "author": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Thu Mar 27 10:55:04 2014 -0700" }, "committer": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Thu Mar 27 15:24:44 2014 -0700" }, "message": "Change sticky GC ergonomics to use GC throughput.\n\nThe old sticky ergonomics used partial/full GC when the bytes until\nthe footprint limit was \u003c min free. This was suboptimal. The new\nsticky GC ergonomics do partial/full GC when the throughput\nof the current sticky GC iteration is \u003c\u003d mean throughput of the\npartial/full GC.\n\nTotal GC time on FormulaEvaluationActions.EvaluateAndApplyChanges.\nBefore: 26.4s\nAfter: 24.8s\nNo benchmark score change measured.\n\nBug: 8788501\n\nChange-Id: I90000305e93fd492a8ef5a06ec9620d830eaf90d\n" }, { "commit": "c528dba35b5faece51ca658fc008b688f8b690ad", "tree": "d95c113a639d07f7e3b88e8a6caa9b5f6e044801", "parents": [ "76f552307ee980221626d1dff0ada56c989d24ca" ], "author": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Tue Nov 26 12:00:11 2013 -0800" }, "committer": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Tue Dec 10 16:00:58 2013 -0800" }, "message": "Enable moving classes.\n\nSlight reduction in Zygote size, memory savings are in the noise.\nBefore: Zygote size: 8739224\nAfter: Zygote size: 8733568\n\nFixed a bug where we didn\u0027t set the concurrent start bytes after\nswitching the allocator from bump pointer to ROSAlloc in the\nzygote. This caused excessive memory usage.\n\nAdded the method verifiers as roots to fix an issue caused by\nRegTypes holding a Class*.\n\nAdded logic to clear card table in the SemiSpace collector, this\nreduces DalvikOther from ~2400k -\u003e ~1760k when using the SemiSpace\ncollector.\n\nAdded a missing lock to the timing loggers which caused a rare\none time crash in std::set.\n\nBug: 11771255\nBug: 8499494\nBug: 10802951\n\nChange-Id: I99d2b528cd51c1c5ed7012e3220b3aefded680ae\n" }, { "commit": "19b0a913d9127a70ca35ebae166312bc6eee3196", "tree": "d41786c6425a535f37aa90fc1f4621b24793eb6c", "parents": [ "1febddf359ae500ef1bb01ab4883b076fcb56440" ], "author": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Wed Nov 20 14:07:54 2013 -0800" }, "committer": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Wed Nov 20 15:28:24 2013 -0800" }, "message": "Improve histogram and timing logger dumping.\n\nWe now dump the sum (total time) of each histogram as well as\nprevious stats. This is useful for the GC since the same split can\noccur multiple times per GC iteration. Also did a few memory\noptimizations by changing the map in the cumulative loggers\nto be a set.\n\nBug: 11789200\nChange-Id: I67bcc5384200924c8dc5d9eebcff077ce72b7e57\n" }, { "commit": "5fe9af720048673e62ee29597a30bb9e54c903c5", "tree": "733dca70511f4798a3082b084a9a3d6da9f5914a", "parents": [ "dfe78a6e6b526d482298100a1f6392a8c7105522" ], "author": { "name": "Ian Rogers", "email": "irogers@google.com", "time": "Thu Nov 14 00:17:20 2013 -0800" }, "committer": { "name": "Ian Rogers", "email": "irogers@google.com", "time": "Thu Nov 14 14:59:57 2013 -0800" }, "message": "Fix memory leaks relating to timing logger.\n\nBug: 11670287.\nWe use pointers to uninitialized values for control-flow in the timing logger\ncode, add TODO comments to clean this up later.\nRemove base namespace and other bits of tidying.\n\nChange-Id: I1e6600a1e92f974c8f58f3a405a4e4abb4d9f80f\n" }, { "commit": "590fee9e8972f872301c2d16a575d579ee564bee", "tree": "b02db45c72f1911ec896b93379ada0276aea3199", "parents": [ "5b70680b8df6d8fa95bb8e1070d0107f3d388940" ], "author": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Fri Sep 13 13:46:47 2013 -0700" }, "committer": { "name": "Mathieu Chartier", "email": "mathieuc@google.com", "time": "Mon Nov 11 15:34:27 2013 -0800" }, "message": "Compacting collector.\n\nThe compacting collector is currently similar to semispace. It works by\ncopying objects back and forth between two bump pointer spaces. There\nare types of objects which are \"non-movable\" due to current runtime\nlimitations. These are Classes, Methods, and Fields.\n\nBump pointer spaces are a new type of continuous alloc space which have\nno lock in the allocation code path. When you allocate from these it uses\natomic operations to increase an index. Traversing the objects in the bump\npointer space relies on Object::SizeOf matching the allocated size exactly.\n\nRuntime changes:\nJNI::GetArrayElements returns copies objects if you attempt to get the\nbacking data of a movable array. For GetArrayElementsCritical, we return\ndirect backing storage for any types of arrays, but temporarily disable\nthe GC until the critical region is completed.\n\nAdded a new runtime call called VisitObjects, this is used in place of\nthe old pattern which was flushing the allocation stack and walking\nthe bitmaps.\n\nChanged image writer to be compaction safe and use object monitor word\nfor forwarding addresses.\n\nAdded a bunch of added SIRTs to ClassLinker, MethodLinker, etc..\n\nTODO: Enable switching allocators, compacting on background, etc..\n\nBug: 8981901\n\nChange-Id: I3c886fd322a6eef2b99388d19a765042ec26ab99\n" }, { "commit": "67f99418f648c3a95256ed3dcd8e8b64eef0b372", "tree": "1ff1f195dd1aaf16b52c8e996ebb690bd2de0541", "parents": [ "155ecba1c9b56ce1b468135e6a591a3fe9258c52" ], "author": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Mon Aug 12 14:19:48 2013 -0700" }, "committer": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Tue Aug 13 11:18:03 2013 -0700" }, "message": "Yet more timing logger cleanup\n\nSome cleanup of timing logger placement, additional systrace placement for\nthreaded compilation work, tweaking/hiding of some type names per previous\nreview comments.\n\nChange-Id: Ic7db2e02747282ac7f474b9a060df9803bfdfa5e\n" }, { "commit": "4654322261c8e4d799acdea60a7e227f33c5c2db", "tree": "79f0e43805127345cf7c34dffed85a8487016b4d", "parents": [ "6fb34134fdb4eb040d613248cf9b752f2fa845b5" ], "author": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Mon Aug 12 09:28:42 2013 -0700" }, "committer": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Mon Aug 12 09:28:42 2013 -0700" }, "message": "Timing logger clean-up\n\nCatching some missing regions in GC, renamed unpause, relacing start/endsplits with scopedsplit.\nMore to come in further CLs.\n\nChange-Id: I809e0c3af8f8432b22c6205aade5d0dd05ac1b38\n" }, { "commit": "4446ab9e70dde779d97f451c4904f6b8770232bd", "tree": "a19ddb0ffa054c6dcaf635afb228730506232d8e", "parents": [ "cc386f94631dd1d60b0b0b2d4e1e243dda363f32" ], "author": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Fri Aug 09 21:17:25 2013 -0700" }, "committer": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Fri Aug 09 21:17:25 2013 -0700" }, "message": "Systrace fixups and refactoring for TimingLogger\n\nFixed systrace bounds for timing logger in GC. Refactored CumulativeLogger a bit to\nallow for multiple identical entries. Added ScopedSplit, now composes with explicit\nstart/end/new splits. Adds some unit tests.\nBug: 10036801\n\nChange-Id: If0afb88b48ec3a1e19462ed354babb274a9517a7\n" }, { "commit": "6f28d91aab952e3244fbb4e707fa38f85538f374", "tree": "4ad68f49a154598599bc80d4596b7ee64e5923cc", "parents": [ "41a41fdfc5d38f1b389d5e6cf1a945c96170d3ed" ], "author": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Wed Jul 24 15:02:53 2013 -0700" }, "committer": { "name": "Anwar Ghuloum", "email": "anwarg@google.com", "time": "Thu Jul 25 16:20:22 2013 -0700" }, "message": "Add systrace support to NewTimingLogger, migrate compiler timing logging to NewTimingLogger\n\nRpleaced old TimingLogger by NewTimingLogger, renamed NewTimingLogger to TimingLogger, added systrace support to TimingLogger.\nTests passing, phone booting, systrace working.\n\nChange-Id: I2aeffb8bcb7f0fd979d8a2a3a8bcfbaa02413679\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": "fc0e3219edc9a5bf81b166e82fd5db2796eb6a0d", "tree": "5fc7f5b941724a62f8e3411df09fae431ff5e3cf", "parents": [ "56d947fbc9bc2992e2f93112fafb73e50d2aaa7a" ], "author": { "name": "Brian Carlstrom", "email": "bdc@google.com", "time": "Wed Jul 17 14:40:12 2013 -0700" }, "committer": { "name": "Brian Carlstrom", "email": "bdc@google.com", "time": "Wed Jul 17 16:49:05 2013 -0700" }, "message": "Fix multiple inclusion guards to match new pathnames\n\nChange-Id: Id7735be1d75bc315733b1773fba45c1deb8ace43\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": "1d54e73444e017d3a65234e0f193846f3e27472b", "tree": "1de93661e95a0ce6fa78fdfc23d0cfd3dd2a06f7", "parents": [ "4c22e7eabef3f815841dfc6e0d5bbead96150752" ], "author": { "name": "Ian Rogers", "email": "irogers@google.com", "time": "Thu May 02 21:10:01 2013 -0700" }, "committer": { "name": "Ian Rogers", "email": "irogers@google.com", "time": "Fri Jun 21 11:10:42 2013 -0700" }, "message": "GC clean up.\n\nGreater use of directories and namespaces.\nFix bugs that cause verify options to fail.\nAddress numerous other issues:\n\nGC barrier wait occurring holding locks:\nGC barrier waits occur when we wait for threads to run the check point function\non themselves. This is happening with the heap bitmap and mutator lock held\nmeaning that a thread that tries to take either lock exclusively will block\nwaiting on a thread that is waiting. If this thread is the thread we\u0027re waiting\nto run the check point then the VM will deadlock.\nThis deadlock occurred unnoticed as the call to check for wait safety was\nremoved in: https://googleplex-android-review.googlesource.com/#/c/249423/1.\n\nNewTimingLogger:\nExisting timing log states when a split ends but not when it begins. This isn\u0027t\ngood for systrace, in the context of GC it means that races between mutators\nand the GC are hard to discover what phase the GC is in, we know what phase it\njust finished and derive but that\u0027s not ideal.\n\nSupport for only 1 discontinuous space:\nCode special cases continuous and large object space, rather than assuming we\ncan have a collection of both.\n\nSorted atomic stacks:\nUsed to improve verification performance. Simplify their use and add extra\nchecks.\n\nSimplify mod-union table abstractions.\n\nReduce use of std::strings and their associated overhead in hot code.\n\nMake time units of fields explicit.\n\nReduce confusion that IsAllocSpace is really IsDlMallocSpace.\n\nMake GetTotalMemory (exposed via System) equal to the footprint (as in Dalvik)\nrather than the max memory footprint.\n\nChange-Id: Ie87067140fa4499b15edab691fe6565d79599812\n" }, { "commit": "453570570b00ea7990c8d45506d1311f5228c6f0", "tree": "c41cc1c5ef93b149b172bde05d3654b0985f65f2", "parents": [ "1bd4b4ca7f4f44c55ded050e5a6be09811e1b283" ], "author": { "name": "Ian Rogers", "email": "irogers@google.com", "time": "Thu Apr 18 20:49:43 2013 -0700" }, "committer": { "name": "Ian Rogers", "email": "irogers@google.com", "time": "Thu Apr 18 20:49:43 2013 -0700" }, "message": "Fixes for timing logger and histogram.\n\nReorder when the index is checked in Percentile to avoid reading from a\nnegative index.\nAdd missing copyright to histogram unit test.\nSwitch histogram test to use UniquePtr rather than new/delete (MeanTest had\nmissed the delete).\nMake timing/cumulative logger fields that can be const const. Document SetName\nfor cumulative logger. Place the cumulative logger\u0027s std::string lock name in\nthe cumulative logger so its lifespan is clearly the same.\n\nChange-Id: I4056c6b6ee8efdb73f7b10f690fc9d959fd4a569\n" }, { "commit": "a84395489098e4531619b1cffd1afc282b14510e", "tree": "f326a29ddb0c1b2f211484c6192f185a2698260e", "parents": [ "addf1a8da2ece5ee9d6747a176f960ab7291f718" ], "author": { "name": "Sameer Abu Asal", "email": "sasal@google.com", "time": "Thu Feb 14 16:06:42 2013 -0800" }, "committer": { "name": "Sameer Abu Asal", "email": "sasal@google.com", "time": "Tue Feb 19 15:13:46 2013 -0800" }, "message": "Using histograms for timing statistics.\n\n Histogram class and test cases added.\n Modified make file to add test cases and class file.\n Added a guard to avoid race condition in Cumulative logger that\n was possible race between Addlogger and Dump() functions.\n\nChange-Id: I060a0d65648c7120963856624e7008c0aa681eb7\n" } ] }