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/* hotspot systemtap tapset.
Copyright (C) 2009, Red Hat Inc.
This file is part of IcedTea.
IcedTea is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
IcedTea is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with IcedTea; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
/*
Currently only works with full path in process probes below.
When things don't seem to work look if the correct
jre/lib/[arch]/[client|server]/libjvm.so is used
and exists under /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64//.
This version of hotspot.stp has been configured to instrument the
libjvm.so for arch amd64 installed at:
/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so
Each probe defines the probe name and a full probestr which consists
of the probe name and between brackets all argument names and values.
*/
/* hotspot.gc_begin
* Triggeres when a system wide garbage collection begins.
* Sets is_full if this is a full garbage collect.
*/
probe hotspot.gc_begin =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__begin")
{
name = "gc_begin";
is_full = $arg1;
probestr = sprintf("%s(is_full=%d)", name, is_full);
}
/* hotspot.gc_end
Triggers when a system wide garbage collection ends.
Has no arguments.
*/
probe hotspot.gc_end =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__end")
{
name = "gc_end";
probestr = name;
}
/* hotspot.mem_pool_gc_begin
Triggers when a memory pool collection begins.
Sets manager to the manager name that controls this memory pool
(e.g. 'Copy' or 'MarkSweepCompact'), pool to the pool name (e.g.
'Code Cache', 'Eden Space', 'Survivor Space', 'Tenured Gen', or
'Perm Gen'), initial to the initial byte size of the pool, used
to the number bytes in use, committed to the number of committed
pages and max to the maximum size of the pool.
*/
probe hotspot.mem_pool_gc_begin =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("mem__pool__gc__begin")
{
name = "mem_pool_gc_begin";
manager = user_string_n($arg1, $arg2);
pool = user_string_n($arg3, $arg4);
initial = $arg5;
used = $arg6;
committed = $arg7;
max = $arg8;
probestr = sprintf("%s(manager='%s',pool='%s',initial=%d,used=%d,committed=%d,max=%d)",
name, manager, pool, initial, used, committed, max);
}
/* hotspot.mem_pool_gc_end
Triggers when a memory pool collection ends.
Sets manager to the manager name that controls this memory pool
(e.g. 'Copy' or 'MarkSweepCompact'), pool to the pool name (e.g.
'Code Cache', 'Eden Space', 'Survivor Space', 'Tenured Gen', or
'Perm Gen'), initial to the initial byte size of the pool, used
to the number bytes in use, committed to the number of committed
pages and max to the maximum size of the pool.
*/
probe hotspot.mem_pool_gc_end =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("mem__pool__gc__end")
{
name = "mem_pool_gc_end";
manager = user_string_n($arg1, $arg2);
pool = user_string_n($arg3, $arg4);
initial = $arg5;
used = $arg6;
committed = $arg7;
max = $arg8;
probestr = sprintf("%s(manager='%s',pool='%s',initial=%d,used=%d,committed=%d,max=%d)",
name, manager, pool, initial, used, committed, max);
}
/* hotspot.object_alloc (extended probe)
Triggers whenever an object is allocated.
Sets thread_id to the current thread id, class to the class name
of the object allocated, and size to the size of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.object_alloc =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("object__alloc")
{
name = "object_alloc";
thread_id = $arg1;
class = user_string_n($arg2, $arg3);
size = $arg4;
probestr = sprintf("%s(thread_id=%d,class='%s',size=0x%x)",
name, thread_id, class, size);
}
/* hotspot.vm_init_begin
Triggers at the beginning of the virtual machine initialization.
Has no arguments
*/
probe hotspot.vm_init_begin =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("vm__init__begin")
{
name = "vm_init_begin";
probestr = name;
}
/* hotspot.vm_init_end
Triggers at the end of the virtual machine initialization.
Has no arguments.
*/
probe hotspot_vm_init_end = hotspot.vm_init_end8 {}
probe hotspot.vm_init_end8 =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("vm__init__end")
{
name = "vm_init_end";
probestr = name;
}
/* hotspot.vm_shutdown
Triggers at the shutdown of the virtual machine initialization.
Has no arguments.
*/
probe hotspot.vm_shutdown =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("vm__shutdown")
{
name = "vm_shutdown";
probestr = name;
}
/* hotspot.thread_start
Triggers when a java thread is started.
Sets name to the name of the thread, id to the java thread id,
native_id to the os thread number and is_daemon if the thread
is a daemon thread.
*/
probe hotspot.thread_start =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("thread__start")
{
name = "thread_start";
thread_name = user_string_n($arg1, $arg2);
id = $arg3;
native_id = $arg4;
is_daemon = $arg5;
probestr = sprintf("%s(thread_name='%s',id=%d,native_id=%d,is_daemon=%d)",
name, thread_name, id, native_id, is_daemon);
}
/* hotspot.thread_stop
Triggers when a java thread stops.
Sets name to the name of the thread, id to the java thread id,
native_id to the os thread number and is_daemon if the thread
is a daemon thread.
*/
probe hotspot.thread_stop =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("thread__stop")
{
name = "thread_stop";
thread_name = user_string_n($arg1, $arg2);
id = $arg3;
native_id = $arg4;
is_daemon = $arg5;
probestr = sprintf("%s(thread_name='%s',id=%d,native_id=%d,is_daemon=%d)",
name, thread_name, id, native_id, is_daemon);
}
/* hotspot.class_loaded
Triggers when a class is loaded.
Sets name to the loaded class name, classloader_id to the id
of the classloader that loaded this class and is_shared if the
class was loaded from a shared archive.
*/
probe hotspot.class_loaded =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("class__loaded")
{
name = "class_loaded";
class = user_string_n($arg1, $arg2);
classloader_id = $arg3;
is_shared = $arg4;
probestr = sprintf("%s(class='%s',classloader_id=0x%x,is_shared=%d)",
name, class, classloader_id, is_shared);
}
/* hotspot.class_unloaded
Triggers when a class is unloaded.
Sets name to the loaded class name, classloader_id to the id
of the classloader that loaded this class and is_shared if the
class was loaded from a shared archive.
*/
probe hotspot.class_unloaded =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("class__unloaded")
{
name = "class_unloaded";
class = user_string_n($arg1, $arg2);
classloader_id = $arg3;
is_shared = $arg4;
probestr = sprintf("%s(class='%s',classloader_id=0x%x,is_shared=%d)",
name, class, classloader_id, is_shared);
}
/* hotspot.method_compile_begin
Triggers when a method is being compiled.
Sets compiler to the name of the compiler (e.g. 'C1' or 'C2'),
class to the name of the class, method to the name of the method,
and sig to the signature string of the method.
*/
probe hotspot.method_compile_begin =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("method__compile__begin")
{
name = "method_compile_begin";
compiler = user_string_n($arg1, $arg2);
class = user_string_n($arg3, $arg4);
method = user_string_n($arg5, $arg6);
sig = user_string_n($arg7, $arg8);
probestr = name . "(compiler='" . compiler . "',class='" . class
. "',method='" . method . "',sig='" . sig . "')";
}
/* hotspot.method_compile_end
Triggers when a method has been compiled.
Sets compiler to the name of the compiler (e.g. 'C1' or 'C2'),
class to the name of the class, method to the name of the method,
and sig to the signature string of the method.
*/
probe hotspot.method_compile_end =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("method__compile__end")
{
name = "method_compile_end";
compiler = user_string_n($arg1, $arg2);
class = user_string_n($arg3, $arg4);
method = user_string_n($arg5, $arg6);
sig = user_string_n($arg7, $arg8);
probestr = name . "(compiler='" . compiler . "',class='" . class
. "',method='" . method . "',sig='" . sig . "')";
}
/* hotspot.monitor_wait (extended probe)
Triggers when a thread enters Object.wait().
Sets thread_id to the current java thread, id to the unique id
for this monitor, class to the class name of the object and
timeout to the number of ms given (or zero for waiting indefinitely).
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_wait =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__wait")
{
name = "monitor_wait";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
timeout = $arg5;
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s',timeout=%d)",
name, thread_id, id, class, timeout);
}
/* hotspot.monitor_waited (extended probe)
Triggers when a thread exits Object.wait().
Sets thread_id to the current java thread, id to the unique id
for this monitor and class to the class name of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_waited =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__waited")
{
name = "monitor_waited";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s')",
name, thread_id, id, class);
}
/* hotspot.monitor_notify (extended probe)
Triggers when a thread calls Object.notify().
Sets thread_id to the current java thread, id to the unique id
for this monitor and class to the class name of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_notify =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__notify")
{
name = "monitor_notify";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s')",
name, thread_id, id, class);
}
/* hotspot.monitor_notifyAll (extended probe)
Triggers when a thread calls Object.notifyAll().
Sets thread_id to the current java thread, id to the unique id
for this monitor and class to the class name of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_notifyAll =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__notifyAll")
{
name = "monitor_notifyAll";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s')",
name, thread_id, id, class);
}
/* hotspot.monitor_contended_enter (extended probe)
Triggers when a thread tries to acquire a monitor (syncronized block)
which is currently held by another thread (that other thread will
exit the monitor triggering hotspot.monitor_contended_exit at a
later time).
Sets thread_id to the current java thread, id to the unique id
for this monitor and class to the class name of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_contended_enter =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__contended__enter")
{
name = "monitor_contended_enter";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s')",
name, thread_id, id, class);
}
/* hotspot.monitor_contended_entered (extended probe)
Triggers when a thread acquires a contended monotor (after
hotspot.monitor_contended_enter has been triggered on this thread,
and the other thread triggered a hotspot.monitor_contended_exit).
Sets thread_id to the current java thread, id to the unique id
for this monitor and class to the class name of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_contended_entered =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__contended__entered")
{
name = "monitor_contended_entered";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s')",
name, thread_id, id, class);
}
/* hotspot.monitor_contended_exit (extended probe)
Triggers when a thread tries to exit a monitor (synchronized block)
that another thread wants to enter (the other thread has triggered
hotspot.monitor_contended_enter).
Sets thread_id to the current java thread, id to the unique id
for this monitor and class to the class name of the object.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.monitor_contended_exit =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("monitor__contended__exit")
{
name = "monitor_contended_exit";
thread_id = $arg1;
id = $arg2;
class = user_string_n($arg3, $arg4);
probestr = sprintf("%s(thread_id=%d,id=0x%x,class='%s')",
name, thread_id, id, class);
}
/* hotspot.method_entry (extended probe)
Triggers when a method is entered.
Sets thread_id to the current java thread id, class to the name of
the class, method to the name of the method, and sig to the
signature string of the method.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.method_entry =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("method__entry")
{
name = "method_entry";
thread_id = $arg1;
class = user_string_n($arg2, $arg3);
method = user_string_n($arg4, $arg5);
sig = user_string_n($arg6, $arg7);
probestr = sprintf("%s(thread_id=%d,class='%s',method='%s',sig='%s')",
name, thread_id, class, method, sig);
}
/* hotspot.method_return (extended probe)
Triggers when a method returns.
Sets thread_id to the current java thread id, class to the name of
the class, method to the name of the method, and sig to the
signature string of the method.
Needs -XX:+ExtendedDTraceProbes.
*/
probe hotspot.method_return =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("method__return")
{
name = "method_return";
thread_id = $arg1;
class = user_string_n($arg2, $arg3);
method = user_string_n($arg4, $arg5);
sig = user_string_n($arg6, $arg7);
probestr = sprintf("%s(thread_id=%d,class='%s',method='%s',sig='%s')",
name, thread_id, class, method, sig);
}
/* hotspot.compiled_method_load
Triggers when a compiled method is loaded.
Sets class to the name of the class, method to the name of the
method, sig to the signature string of the method, code to the
address where the code is loaded and size to the number of bytes of
code.
*/
probe hotspot.compiled_method_load =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("compiled__method__load")
{
name = "compiled_method_load";
class = user_string_n($arg1, $arg2);
method = user_string_n($arg3, $arg4);
sig = user_string_n($arg5, $arg6);
code = $arg7;
size = $arg8;
probestr = sprintf("%s(class='%s',method='%s',sig='%s',code=0x%x,size=%d)",
name, class, method, sig, code, size);
}
/* hotspot.compiled_method_unload
Triggers when a compiled method is unloaded.
Sets class to the name of the class, method to the name of the
method, sig to the signature string of the method.
*/
probe hotspot.compiled_method_unload =
process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("compiled__method__unload")
{
name = "compiled_method_unload";
class = user_string_n($arg1, $arg2);
method = user_string_n($arg3, $arg4);
sig = user_string_n($arg5, $arg6);
probestr = sprintf("%s(class='%s',method='%s',sig='%s')",
name, class, method, sig);
}
// Extra private probes
// hashtable__new_entry
// safepoint__begin
// safepoint__end
// cms__initmark__begin
// cms__initmark__end
// cms__remark__begin
// cms__remark__end