aboutsummaryrefslogtreecommitdiff
path: root/en/devices/tech/dalvik/jit-compiler.html
diff options
context:
space:
mode:
authorAndroid Partner Docs <noreply@android.com>2017-06-19 21:12:35 -0700
committerClay Murphy <claym@google.com>2017-06-20 13:09:22 -0700
commitd72514453123a8634ae55406807d77f03362a2bd (patch)
treeb528f70cbfa22decfea5899870efc1a42e7b7778 /en/devices/tech/dalvik/jit-compiler.html
parent8560a623b8040782583740e9dd1cbc4be310a568 (diff)
downloadsource.android.com-d72514453123a8634ae55406807d77f03362a2bd.tar.gz
Docs: Changes to source.android.com
- 159519221 Add CTS Media 1.3 file link by claym <claym@google.com> - 159296442 Changed devsite tag classes on a couple pages. by cqn <cqn@google.com> - 159296357 Add devsite class to tags in devices/tech/power by cqn <cqn@google.com> - 159296314 Added devsite class to tags in compatibility/cts. by cqn <cqn@google.com> - 159296265 Added devsite class to tags in devices/tech/ota. by cqn <cqn@google.com> - 159273197 Added devsite class to tags for devices/tech/test_infra/t... by cqn <cqn@google.com> - 159269559 Add speed-profile and verify-profile to the list of options by claym <claym@google.com> - 159268556 Add devsite class to tags in devices/tech/display by cqn <cqn@google.com> - 159247742 Add devsite class to tags in devices/tech/admin by cqn <cqn@google.com> - 159246177 Finished adding devsite class to tags on devices/tech/debug by cqn <cqn@google.com> - 159245597 Add devsite tag to classes in devices/tech/debug by cqn <cqn@google.com> - 159128910 Changed breaks to paragraph tags for formatting, and adde... by cqn <cqn@google.com> - 159115811 Add devsite class to tags for devices/tech/config by cqn <cqn@google.com> - 159115392 Added devsite class to tags on devices/tech/connect and d... by cqn <cqn@google.com> - 159114997 Add devsite class to tags in devices/storage and devices/tv by cqn <cqn@google.com> - 158948331 Provide advice to OEM and carrier app developers to reduc... by Android Partner Docs <noreply@android.com> - 158920824 Add devsite class to tags in devices/tech/dalvik by cqn <cqn@google.com> - 158917965 Fix links to sensors.h reference file by claym <claym@google.com> - 158916603 Docs: moving gdb to own page, updating index by hvm <hvm@google.com> - 158915436 Update Security acknowledgement with new researcher info by daroberts <daroberts@google.com> - 158883841 Finish adding devsite class to tags in devices/audio by cqn <cqn@google.com> - 158883680 Add devsite class to tags in devices/sensors and devices/... by cqn <cqn@google.com> - 158871012 Improve Jack deprecation warning message. by gdimino <gdimino@google.com> - 158867373 Add devsite classes to tags for devices/graphics by cqn <cqn@google.com> - 158867298 Added devsite classes to tags in devices/input by cqn <cqn@google.com> - 158867192 Add devsite classes to tags in devices/camera and devices... by cqn <cqn@google.com> PiperOrigin-RevId: 159519221 Change-Id: I924de0c1668bcbcc94ee97e60c144aac4c81708d
Diffstat (limited to 'en/devices/tech/dalvik/jit-compiler.html')
-rw-r--r--en/devices/tech/dalvik/jit-compiler.html85
1 files changed, 51 insertions, 34 deletions
diff --git a/en/devices/tech/dalvik/jit-compiler.html b/en/devices/tech/dalvik/jit-compiler.html
index 6c874d84..9090349c 100644
--- a/en/devices/tech/dalvik/jit-compiler.html
+++ b/en/devices/tech/dalvik/jit-compiler.html
@@ -54,7 +54,7 @@ JIT/AOT Compilation</a> on developer.android.com for a more thorough overview.
<h2 id="architectural-overview">Architectural Overview</h2>
-<img src="images/jit-arch.png" alt="JIT architecture" width="633" id="JIT-architecture" />
+<img src="/devices/tech/dalvik/images/jit-arch.png" alt="JIT architecture" width="633" id="JIT-architecture" />
<p class="img-caption">
<strong>Figure 1.</strong> JIT architecture - how it works
</p>
@@ -83,12 +83,12 @@ application has access to the directory.
compilation.</li>
</ol>
-<img src="images/jit-profile-comp.png" alt="Profile-guided comp" width="452" id="JIT-profile-comp" />
+<img src="/devices/tech/dalvik/images/jit-profile-comp.png" alt="Profile-guided comp" width="452" id="JIT-profile-comp" />
<p class="img-caption">
<strong>Figure 2.</strong> Profile-guided compilation
</p>
-<img src="images/jit-daemon.png" alt="JIT daemon" width="718" id="JIT-daemon" />
+<img src="/devices/tech/dalvik/images/jit-daemon.png" alt="JIT daemon" width="718" id="JIT-daemon" />
<p class="img-caption">
<strong>Figure 3.</strong> How the daemon works
</p>
@@ -103,7 +103,7 @@ to behave more like shared libraries.
See the following high-level overview of how JIT works in the next diagram.
</p>
-<img src="images/jit-workflow.png" alt="JIT architecture" width="707" id="JIT-workflow" />
+<img src="/devices/tech/dalvik/images/jit-workflow.png" alt="JIT architecture" width="707" id="JIT-workflow" />
<p class="img-caption">
<strong>Figure 4.</strong> JIT data flow
</p>
@@ -183,7 +183,7 @@ compilation to a later stage). The compilation levels can be configured via
system properties with the defaults being:
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.install=interpret-only
pm.dexopt.bg-dexopt=speed-profile
pm.dexopt.ab-ota=speed-profile
@@ -211,20 +211,20 @@ copying and pasting. A few common use cases:
<h3 id="turn-on-jit-logging">Turn on JIT logging</h3>
-<pre>
-$ adb root
-$ adb shell stop
-$ adb shell setprop dalvik.vm.extra-opts -verbose:jit
-$ adb shell start
+<pre class="devsite-click-to-copy">
+<code class="devsite-terminal">adb root</code>
+<code class="devsite-terminal">adb shell stop</code>
+<code class="devsite-terminal">adb shell setprop dalvik.vm.extra-opts -verbose:jit</code>
+<code class="devsite-terminal">adb shell start</code>
</pre>
<h3 id="disable-jit-and-run-applications-in-interpreter">Disable JIT</h3>
-<pre>
-$ adb root
-$ adb shell stop
-$ adb shell setprop dalvik.vm.usejit false
-$ adb shell start
+<pre class="devsite-click-to-copy">
+<code class="devsite-terminal">adb root</code>
+<code class="devsite-terminal">adb shell stop</code>
+<code class="devsite-terminal">adb shell setprop dalvik.vm.usejit false</code>
+<code class="devsite-terminal">adb shell start</code>
</pre>
<h3 id="force-compilation-of-a-specific-package">Force compilation of a specific
@@ -232,11 +232,15 @@ package</h3>
<ul>
<li>Profile-based:
-<code>$ adb shell cmd package compile -m speed-profile -f
-my-package</code>
+<pre class="devsite-terminal devsite-click-to-copy">
+adb shell cmd package compile -m speed-profile -f my-package
+</pre>
+</li>
<li>Full:
-<code>$ adb shell cmd package compile -m speed -f
-my-package</code></li>
+<pre class="devsite-terminal devsite-click-to-copy">
+adb shell cmd package compile -m speed -f my-package
+</pre>
+</li>
</ul>
<h3 id="force-compilation-of-all-packages">Force compilation of all
@@ -244,20 +248,31 @@ packages</h3>
<ul>
<li>Profile-based:
-<code>$ adb shell cmd package compile -m speed-profile -f
--a</code>
+<pre class="devsite-terminal devsite-click-to-copy">
+adb shell cmd package compile -m speed-profile -f -a
+</pre>
+</li>
<li>Full:
-<code>$ adb shell cmd package compile -m speed -f -a</code></li></ul>
+<pre class="devsite-terminal devsite-click-to-copy">
+adb shell cmd package compile -m speed -f -a
+</pre>
+</li>
+</ul>
<h3 id="clear-profile-data-and-remove-compiled-code">Clear profile data and
remove compiled code</h3>
<ul>
<li>One package:
-<code>$ adb shell cmd package compile --reset my-package</code>
+<pre class="devsite-terminal devsite-click-to-copy">
+adb shell cmd package compile --reset my-package
+</pre>
+</li>
<li>All packages
-<code>$ adb shell cmd package compile --reset
--a</code></li>
+<pre class="devsite-terminal devsite-click-to-copy">
+adb shell cmd package compile --reset -a
+</pre>
+</li>
</ul>
<h2 id="recommendation">Recommendation</h2>
@@ -270,7 +285,7 @@ Note that it is strongly recommended to use the default following
support.
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.install=interpret-only
pm.dexopt.bg-dexopt=speed-profile
pm.dexopt.boot=verify-profile (or interpret-only)
@@ -281,7 +296,7 @@ Here’s a detailed explanation about the <code>pm.dexopt</code> options, and th
reasoning for our recommendations:
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.install
</pre>
@@ -290,7 +305,7 @@ This is the compilation filter used when installing application through the
Play Store. For faster installs we recommend <code>interpret-only</code>.
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.bg-dexopt
</pre>
@@ -300,7 +315,7 @@ fully charged. We recommend using <code>speed-profile</code> to take advantage
of profile guided compilation and save on storage.
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.ab-ota
</pre>
@@ -311,7 +326,7 @@ update. If the device supports A/B OTA, we recommend using
save on storage.
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.nsys-library
pm.dexopt.shared-apk
pm.dexopt.core-app
@@ -324,7 +339,7 @@ the <code>speed</code> filter, as the platform does not support efficient
profiling of them.
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.first-boot
</pre>
@@ -336,7 +351,7 @@ use the phone for the very first time. Note that if all applications in /system
are already speed compiled, <code>pm.dexopt.first-boot</code> has no effect.
</p>
-<pre>
+<pre class="devsite-click-to-copy">
pm.dexopt.boot
</pre>
@@ -364,11 +379,13 @@ filter. To do this, edit the following files to include these entries.
<p>Add the following entry to <code>BoardConfig.mk</code>:</p>
-<pre>WITH_DEXPREOPT := true</pre>
+<pre class="devsite-click-to-copy">
+WITH_DEXPREOPT := true
+</pre>
<p>Add the following entry to <code>device.mk</code>:</p>
-<pre>
+<pre class="devsite-click-to-copy">
PRODUCT_DEX_PREOPT_DEFAULT_FLAGS := --compiler-filter=interpret-only
</pre>