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6935224: Adding new DTrace probes to work with Palantir

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Adding probes related to thread scheduling and class initialization

Reviewed-by: kamg, never
This commit is contained in:
Frederic Parain 2010-03-17 11:01:05 +01:00
parent d713517a21
commit 2450ae35a1
9 changed files with 134 additions and 7 deletions
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7
hotspot/src/share/vm/prims/unsafe.cpp
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@ -29,6 +29,10 @@
#include "incls/_precompiled.incl"
#include "incls/_unsafe.cpp.incl"
HS_DTRACE_PROBE_DECL3(hotspot, thread__park__begin, uintptr_t, int, long long);
HS_DTRACE_PROBE_DECL1(hotspot, thread__park__end, uintptr_t);
HS_DTRACE_PROBE_DECL1(hotspot, thread__unpark, uintptr_t);
#define MAX_OBJECT_SIZE \
( arrayOopDesc::header_size(T_DOUBLE) * HeapWordSize \
+ ((julong)max_jint * sizeof(double)) )
@ -1083,8 +1087,10 @@ UNSAFE_END
UNSAFE_ENTRY(void, Unsafe_Park(JNIEnv *env, jobject unsafe, jboolean isAbsolute, jlong time))
UnsafeWrapper("Unsafe_Park");
HS_DTRACE_PROBE3(hotspot, thread__park__begin, thread->parker(), (int) isAbsolute, time);
JavaThreadParkedState jtps(thread, time != 0);
thread->parker()->park(isAbsolute != 0, time);
HS_DTRACE_PROBE1(hotspot, thread__park__end, thread->parker());
UNSAFE_END
UNSAFE_ENTRY(void, Unsafe_Unpark(JNIEnv *env, jobject unsafe, jobject jthread))
@ -1116,6 +1122,7 @@ UNSAFE_ENTRY(void, Unsafe_Unpark(JNIEnv *env, jobject unsafe, jobject jthread))
}
}
if (p != NULL) {
HS_DTRACE_PROBE1(hotspot, thread__unpark, p);
p->unpark();
}
UNSAFE_END