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* ART: Change the stack dump format to be in line with debuggerdAndreas Gampe2015-07-231-0/+1
| | | | | | | | | | Make offsets 16 digits on 64-bit platforms. Add the ability to provide the build fingerprint, and print it in the traces output. Bug: 22693991 Change-Id: Ibd3d3b3bd65dce84acfb97a487807d6f280a9508
* Merge "Disable parallel GC by default"Mathieu Chartier2015-04-161-1/+1
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| * Disable parallel GC by defaultMathieu Chartier2015-04-151-1/+1
| | | | | | | | | | | | | | | | Not using parallel GC seems to reduce avg pauses by ~0.1s on EvaluateAndApplyChanges. Avoiding creating the thread pool should help app launch slightly and reduce memory ussage. Change-Id: Iebec2a17701c76e4145b41d7c0b4f6dd17806efa
* | ART: Streaming trace modeAndreas Gampe2015-04-151-0/+1
|/ | | | | | | | | | | | | | | | | | | | | | | | | | | Add a streaming mode for tracing. Streaming uses a buffer of 16KB and writes to the output when that buffer gets full. Streaming mode can be enabled with -Xmethod-trace-stream and is currently not exposed otherwise. Add a python script that can parse the streaming format, which simply contains strings for newly encountered threads and methods inline, and create output that can be used with traceview. Add Trace::Pause and Trace::Abort, which can pause and abort tracing. Abort is different from Stop in that it does not write the data. Add code to the zygote hooks JNI implementation that pauses tracing before the fork, making sure that a child cannot clobber the parent's data. Add code to the zygote hooks JNI implementation that aborts old tracing and starts new tracing in the child after the fork. Currently base the output on the pid. This will not work on an unmodified device, as the profiles directory is not generally writable, but we do not have enough information at that point. Consider a scheme that restarts tracing later. Change-Id: I93c7bf87e35af582bdfdd3ecc7c52454514220dd
* ART: Set default prune counter to 10Andreas Gampe2015-03-311-1/+1
| | | | | | | By default, prune cache at boot after ten failed boots. Bug: 19983101 Change-Id: Ib88f807e0082d71292c14c7af38e02cca5a5602c
* Merge "Add paths to apk!lib/<abi> to LD_LIBRARY_PATH"Dmitriy Ivanov2015-03-231-0/+1
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| * Add paths to apk!lib/<abi> to LD_LIBRARY_PATHDmitriy Ivanov2015-03-231-0/+1
| | | | | | | | | | | | | | | | Add paths to .apk to LD_LIBRARY_PATH to enable bionic linker's "open from zip-file" feature. Bug: 8076853 Change-Id: I1aa2c039bb2a590ae72f256acc9ba5401c2c59b1
* | Make it possible to enable tlab with a build parameter.Hiroshi Yamauchi2015-03-201-1/+1
|/ | | | | | For testing. Change-Id: I4d06a4db733b7fa09105f068028483cf88db7925
* Add way to print JIT related info at shutdownMathieu Chartier2015-03-091-0/+1
| | | | | | | | | | | | | | | | | | | Added a runtime option called -XX:DumpJITInfoOnShutdown with prints various interesting JIT statistics during the shutdown of the runtime if enabled. Example of running EvaluateAndApplyChanges with the option: I art : Code cache size=427KB data cache size=84KB num methods=1598 I art : Start Dumping histograms for 1598 iterations for JIT timings I art : Compiling: Sum: 727.850ms 99% C.I. 135us-4402us Avg: 455.475us Max: 15567us I art : Verifying: Sum: 191.074ms 99% C.I. 19us-1450.500us Avg: 119.570us Max: 5142us I art : TrimMaps: Sum: 62.053ms 99% C.I. 13us-199.374us Avg: 38.831us Max: 10058us I art : MakeExecutable: Sum: 11.153ms 99% C.I. 4us-47us Avg: 6.979us Max: 47us I art : Initializing: Sum: 7.991ms 99% C.I. 1us-49.781us Avg: 5us Max: 4852us I art : Done Dumping histograms Bug: 17950037 Change-Id: I23538b24f947e5f6934f55579b8baa9d806eb3d5
* Revert "Revert "Add JIT""Mathieu Chartier2015-02-241-0/+3
| | | | | | | | Added missing EntryPointToCodePointer. This reverts commit a5ca888d715cd0c6c421313211caa1928be3e399. Change-Id: Ia74df0ef3a7babbdcb0466fd24da28e304e3f5af
* Merge "Revert "Add JIT""Nicolas Geoffray2015-02-241-3/+0
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| * Revert "Add JIT"Nicolas Geoffray2015-02-241-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sorry, run-test crashes on target: 0-05 12:15:51.633 I/DEBUG (27995): Abort message: 'art/runtime/mirror/art_method.cc:349] Check failed: PcIsWithinQuickCode(reinterpret_cast<uintptr_t>(code), pc) java.lang.Throwable java.lang.Throwable.fillInStackTrace() pc=71e3366b code=0x71e3362d size=ad000000' 10-05 12:15:51.633 I/DEBUG (27995): r0 00000000 r1 0000542b r2 00000006 r3 00000000 10-05 12:15:51.633 I/DEBUG (27995): r4 00000006 r5 b6f9addc r6 00000002 r7 0000010c 10-05 12:15:51.633 I/DEBUG (27995): r8 b63fe1e8 r9 be8e1418 sl b6427400 fp b63fcce0 10-05 12:15:51.633 I/DEBUG (27995): ip 0000542b sp be8e1358 lr b6e9a27b pc b6e9c280 cpsr 40070010 10-05 12:15:51.633 I/DEBUG (27995): Bug: 17950037 This reverts commit 2535abe7d1fcdd0e6aca782b1f1932a703ed50a4. Change-Id: I6f88849bc6f2befed0c0aaa0b7b2a08c967a83c3
* | Merge "Add JIT"Mathieu Chartier2015-02-241-0/+3
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| * Add JITMathieu Chartier2015-02-231-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently disabled by default unless -Xjit is passed in. The proposed JIT is a method JIT which works by utilizing interpreter instrumentation to request compilation of hot methods async during runtime. JIT options: -Xjit / -Xnojit -Xjitcodecachesize:N -Xjitthreshold:integervalue The JIT has a shared copy of a compiler driver which is accessed by worker threads to compile individual methods. Added JIT code cache and data cache, currently sized at 2 MB capacity by default. Most apps will only fill a small fraction of this cache however. Added support to the compiler for compiling interpreter quickened byte codes. Added test target ART_TEST_JIT=TRUE and --jit for run-test. TODO: Clean up code cache. Delete compiled methods after they are added to code cache. Add more optimizations related to runtime checks e.g. direct pointers for invokes. Add method recompilation. Move instrumentation to DexFile to improve performance and reduce memory usage. Bug: 17950037 Change-Id: Ifa5b2684a2d5059ec5a5210733900aafa3c51bca
* | ART: Allow the execution to stop if the compilation fails via an optionJean Christophe Beyler2015-02-231-1/+1
|/ | | | | | | | | | | | | | | | | | | | | The current implementation continues the execution of the application if dex2oat fails by relying on the interpreter. This patch adds a -Xno-dex-file-fallback option to stop the default behavior. This can be used two-fold. First, one can enforce that a runtime only starts with a boot image. A follow-up patch will ensure that dex2oat (for apps) and patchoat in general request that mode and close gracefully otherwise. Second, this can be used for testing and debugging purposes, as it ensures that compiler failures & aborts are not silently ignored. Add testing. Bug: 19100590 Change-Id: Iaf07b5ccf00942ca8a8ec8687599320a3ddbc089 Signed-off-by: Jean Christophe Beyler <jean.christophe.beyler@intel.com>
* Implement a simple count based boot marker.Narayan Kamath2015-02-211-0/+1
| | | | | | | | | | | | | We write the number of failed boots to the marker and only prune the dalvik cache if the number of consecutive failed boots is higher than a predefined threshold. Note that the code is forgiving of errors related to boot markers; we continue the boot process even if we're unable to create / write or flush the boot marker. bug: 19360096 Change-Id: Ia17c3b783318ddf43c9199d0f7f09c54a4176667
* Make UseTLAB a bool flag.Hiroshi Yamauchi2015-02-201-1/+1
| | | | | | This would make it easier to override its default value at build time. Change-Id: I643fe1afaf492f0443dc01df0c9a62bb3fa025d9
* art: Refactor RuntimeOptions/ParsedOptionsIgor Murashkin2015-02-041-0/+119
Refactor the RuntimeOptions to be a type-safe map (VariantMap, see runtime_options.h) and the ParsedOptions to delegate the parsing to CmdlineParser (see cmdline/cmdline_parser.h). This is the start of a command line parsing refactor, and may include more in the future (dex2oat, patchoat, etc). For more details of the command line parsing generator usage see cmdline/README.md Change-Id: Ic67c6bca5e1f33bf2ec60e2e3ff8c366bab91563
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