Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Enable PerfettoJavaHeapStackProf in the zygote.

Browse Source 
This allows us to collect Java Heap Profiler data directly without
needing to set the flag similar to PerfettoHprof.

Test: Passing Tests
Local Testing

Bug: 160214819

Change-Id: Id4888107c7b12f076de8237fd42bab49319566b5
This commit is contained in:
Wessam Hassanein
2021-04-30 01:33:21 -07:00
parent 4e8328c972
commit f1d719b0a2
1 changed files with 6 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
core/jni/AndroidRuntime.cpp
View File

@@ -662,6 +662,8 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p
char extraOptsBuf[PROPERTY_VALUE_MAX];
char voldDecryptBuf[PROPERTY_VALUE_MAX];
char perfettoHprofOptBuf[sizeof("-XX:PerfettoHprof=") + PROPERTY_VALUE_MAX];
char perfettoJavaHeapStackOptBuf[
sizeof("-XX:PerfettoJavaHeapStackProf=") + PROPERTY_VALUE_MAX];
enum {
kEMDefault,
kEMIntPortable,
@@ -776,6 +778,10 @@ int AndroidRuntime::startVm(JavaVM** pJavaVM, JNIEnv** pEnv, bool zygote, bool p
parseRuntimeOption("dalvik.vm.perfetto_hprof", perfettoHprofOptBuf, "-XX:PerfettoHprof=",
"true");
// Enable PerfettoJavaHeapStackProf in the zygote
parseRuntimeOption("dalvik.vm.perfetto_javaheap", perfettoJavaHeapStackOptBuf,
"-XX:PerfettoJavaHeapStackProf=", "true");
if (primary_zygote) {
addOption("-Xprimaryzygote");
}