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Merge "Add missing profiler options."

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This commit is contained in:
Calin Juravle
2014-06-06 12:06:36 +00:00
committed by Gerrit Code Review
parent b2842e7281 9828d067fb
commit bbf849b1c6
1 changed files with 55 additions and 21 deletions
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76
core/jni/AndroidRuntime.cpp
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@@ -488,6 +488,8 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
char profile_duration[sizeof("-Xprofile-duration:") + PROPERTY_VALUE_MAX]; char profile_duration[sizeof("-Xprofile-duration:") + PROPERTY_VALUE_MAX];
char profile_interval[sizeof("-Xprofile-interval:") + PROPERTY_VALUE_MAX]; char profile_interval[sizeof("-Xprofile-interval:") + PROPERTY_VALUE_MAX];
char profile_backoff[sizeof("-Xprofile-backoff:") + PROPERTY_VALUE_MAX]; char profile_backoff[sizeof("-Xprofile-backoff:") + PROPERTY_VALUE_MAX];
char profile_top_k_threshold[sizeof("-Xprofile-top-k-threshold") + PROPERTY_VALUE_MAX];
char profile_top_k_change_threshold[sizeof("-Xprofile-top-k-change-threshold") + PROPERTY_VALUE_MAX];
char langOption[sizeof("-Duser.language=") + 3]; char langOption[sizeof("-Duser.language=") + 3];
char regionOption[sizeof("-Duser.region=") + 3]; char regionOption[sizeof("-Duser.region=") + 3];
char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)]; char lockProfThresholdBuf[sizeof("-Xlockprofthreshold:") + sizeof(propBuf)];
@@ -811,31 +813,63 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv)
* Set profiler options * Set profiler options
*/ */
if (libart) { if (libart) {
// Number of seconds during profile runs. // Number of seconds during profile runs.
strcpy(profile_period, "-Xprofile-period:"); property_get("dalvik.vm.profiler", propBuf, "0");
property_get("dalvik.vm.profile.period_secs", profile_period+17, "10"); if (propBuf[0] == '1') {
opt.optionString = profile_period; opt.optionString = "-Xenable-profiler";
mOptions.add(opt); mOptions.add(opt);
}
// Length of each profile run (seconds). property_get("dalvik.vm.profile.start-immediately", propBuf, "0");
strcpy(profile_duration, "-Xprofile-duration:"); if (propBuf[0] == '1') {
property_get("dalvik.vm.profile.duration_secs", profile_duration+19, "30"); opt.optionString = "-Xprofile-start-immediately";
opt.optionString = profile_duration; mOptions.add(opt);
mOptions.add(opt); }
// Number of seconds during profile runs.
strcpy(profile_period, "-Xprofile-period:");
if (property_get("dalvik.vm.profile.period-secs", profile_period+17, NULL) > 0) {
opt.optionString = profile_period;
mOptions.add(opt);
}
// Polling interval during profile run (microseconds). // Length of each profile run (seconds).
strcpy(profile_interval, "-Xprofile-interval:"); strcpy(profile_duration, "-Xprofile-duration:");
property_get("dalvik.vm.profile.interval_us", profile_interval+19, "10000"); if (property_get("dalvik.vm.profile.duration-secs", profile_duration+19, NULL) > 0) {
opt.optionString = profile_interval; opt.optionString = profile_duration;
mOptions.add(opt); mOptions.add(opt);
}
// Coefficient for period backoff. The the period is multiplied // Polling interval during profile run (microseconds).
// by this value after each profile run. strcpy(profile_interval, "-Xprofile-interval:");
strcpy(profile_backoff, "-Xprofile-backoff:"); if (property_get("dalvik.vm.profile.interval-us", profile_interval+19, NULL) > 0) {
property_get("dalvik.vm.profile.backoff_coeff", profile_backoff+18, "2.0"); opt.optionString = profile_interval;
opt.optionString = profile_backoff; mOptions.add(opt);
mOptions.add(opt); }
// Coefficient for period backoff. The the period is multiplied
// by this value after each profile run.
strcpy(profile_backoff, "-Xprofile-backoff:");
if (property_get("dalvik.vm.profile.backoff-coeff", profile_backoff+18, NULL) > 0) {
opt.optionString = profile_backoff;
mOptions.add(opt);
}
// Top K% of samples that are considered relevant when deciding if the app should be recompiled.
strcpy(profile_top_k_threshold, "-Xprofile-top-k-threshold:");
if (property_get("dalvik.vm.profile.top-k-thr", profile_top_k_threshold+26, NULL) > 0) {
opt.optionString = profile_top_k_threshold;
mOptions.add(opt);
}
// The threshold after which a change in the structure of the top K% profiled samples becomes significant
// and triggers recompilation. A change in profile is considered significant if X% (top-k-change-threshold)
// of the top K% (top-k-threshold property) samples has changed.
strcpy(profile_top_k_change_threshold, "-Xprofile-top-k-change-threshold:");
if (property_get("dalvik.vm.profile.top-k-ch-thr", profile_top_k_change_threshold+33, NULL) > 0) {
opt.optionString = profile_top_k_change_threshold;
mOptions.add(opt);
}
} }
initArgs.version = JNI_VERSION_1_4; initArgs.version = JNI_VERSION_1_4;