Mini Shell

/*
 * probe - gc_collect_contig_begin
 * 
 * @name: gc_collect_contig_begin
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This marks the start of a contiguous space generation collection.
 * 
 */

probe hotspot.gc_collect_contig_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__collection__contig__begin")
{

  name = "gc_collect_contig_begin";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_contig_end
 * 
 * @name: gc_collect_contig_end_
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge.
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This marks the end of a contiguous space generation collection.
 * 
 */

probe hotspot.gc_collect_contig_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__collection__contig__end")
{

  name = "gc_collect_contig_end";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_parnew_begin
 * 
 * @name: gc_collect_parnew_begin
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This marks the beginning of a parallel collection of a new 
 * generation.
 * 
 */

probe hotspot.gc_collect_parnew = 
  process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__collection__parnew__begin")
{

  name = "gc_collect_parnew_begin";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_parnew_end
 * 
 * @name: gc_collect_parnew_end
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This marks the end of a parallel collection of a new 
 * generation.
 * 
 */

probe hotspot.gc_collect_parnew_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__collection__parnew__end")
{

  name = "gc_collect_parnew_end";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_defnew_begin
 * 
 * @name: gc_collect_defnew_begin
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This marks the start of a newly defined generation
 * collection
 * 
 */

probe hotspot.gc_collect_defnew_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__collection__defnew__begin")
{

  name = "gc_collect_defnew_begin";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_defnew_end
 * 
 * @name: gc_collect_defnew_end
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This marks the end of a newly defined generation
 * collection
 * 
 */

probe hotspot.gc_collect_defnew_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__collection__defnew__end")
{

  name = "gc_collect_defnew_end";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_tenured_begin
 * 
 * @name: gc_collect_tenured_begin
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This is the start of a collection of a tenured generation
 * (a generation that has survived multiple garbage collections and is 
 * now in a 'tenured' object space.
 * 
 */

probe hotspot.gc_collect_tenured_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__collection__tenured__begin")
{

  name = "gc_collect_tenured_begin";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_tenured_end
 * 
 * @name: gc_collect_tenured_end
 * @is_full: If TRUE, attempt a full collection of the generation.
 *           Else; perform a scavenge
 * @size: The collection should achieve a minimum region of available
 *        memory to allow for an allocation of 'size'.
 * @is_tlab: Is this a Thread Local Allocation Buffer?
 *
 * Description: This is the end of a collection of a tenured generation
 * (a generation that has survived multiple garbage collections and is 
 * now in a 'tenured' object space.
 * 
 */

probe hotspot.gc_collect_tenured_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__collection__tenured__end")
{

  name = "gc_collect_tenured_end";
  is_full = $arg2;
  size = $arg3;
  is_tlab = $arg4;
  probestr = sprintf("%s(is_full='%d', size='%d', is_tlab='%d')", name, is_full, size, is_tlab);

}

/*
 * probe - gc_collect_parallel_scavenge_heap_begin
 * 
 * @name: gc_collect_parallel_scavenge_heap_begin
 * @address: Address of region being collected.
 * @cause: Cause of the collection.
 * 
 * Description: This is a parallel heap scavenge beginning, the jvm process doesn't
 * have to halt while the gc is being completed.
 */

probe hotspot.gc_collect_parallel_scavenge =
  process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__collection__parscavenge__heap__begin")
{
  name = "gc_collect_parallel_scavenge_heap_begin";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_parallel_scavenge_heap_end
 * 
 * @name: gc_collect_parallel_scavenge_heap_end
 * @address: Address of region being collected.
 * @cause: Cause of the collection.
 * 
 * Description: This is a parallel heap scavenge ending, the jvm process doesn't
 * have to halt while the gc is being completed.
 */

probe hotspot.gc_collect_parallel_scavenge_heap_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__collection__parscavenge__heap__end")
{
  name = "gc_collect_parallel_scavenge_heap_end";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_parallel_collect
 * 
 * @name: gc_collect_parallel_collect
 * @address: Address of object being collected.
 * @cause: Cause of the collection.
 *
 * Description: This marks a parallel collection.
 * 
 */

probe hotspot.gc_collect_parallel_collect =
  process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__collection__parallel__collect")
{
  name = "gc_collect_parallel_collect";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_g1_begin
 * 
 * @name: gc_collect_g1_begin
 * @address: Address of object being collected.
 * @cause: Cause of the collection.
 *
 * Description: This marks the start of a G1 style garbage collection
 * (Garbage-First Garbage Collector).
 * 
 */

probe hotspot.gc_collect_g1_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__collection__G1__begin")
{
  name = "gc_collect_g1_begin";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_g1_end
 * 
 * @name: gc_collect_g1_end
 * @address: Address of object being collected.
 * @cause: Cause of the collection.
 *
 * Description: This marks then end of a  G1 style garbage collection
 * (Garbage-First Garbage Collector).
 * 
 */

probe hotspot.gc_collect_g1_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__collection__G1__end")
{
  name = "gc_collect_g1_end";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_delete
 * 
 * @name: gc_collect_delete
 * @address: Address of object being collected.
 * @cause: Cause of the collection.
 *
 * Description: A delete statement of an object.
 * 
 */

probe hotspot.gc_collect_delete =
  process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__collection__delete")
{
  name = "gc_collect_delete";
  address = sprintf("0x%x", $arg1);
  probestr = sprintf("%s(address='%s')", name, address);
}

/*
 * probe - gc_collect_PSScavenge_begin
 * 
 * @name: gc_collect_PSScavenge_begin
 * @address: Address of scavenge
 * @cause: Cause of the collection.
 *
 * Description: A parallel scavenge begins.  A scavenge is a partial garbage
 * collection which should be much more common than a full garbage collection
 * throughout the course of the java program.
 * 
 */

probe hotspot.gc_collect_PSScavenge_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__collection__PSScavenge__begin")
{
  name = "gc_collect_PSScavenge_begin";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_PSScavenge_end
 * 
 * @name: gc_collect_PSScavenge_end
 * @address: Address of scavenge.
 * @cause: Cause of the collection.
 *
 * Description: The end of the parallel scavenge.  The beginning and end of
 * the scavenge is noted due to the possbility of multiple scavenges occuring
 * at the same time.
 * 
 */

probe hotspot.gc_collect_PSScavenge_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__collection__PSScavenge__end")
{
  name = "gc_collect_PSScavenge_end";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_PSParallelCompact_begin
 * 
 * @name: gc_collect_PSParallelCompact_begin
 * @address: Address of compaction.
 * @cause: Cause of the collection.
 *
 * Description: This marks the start of a parallel compaction.
 * 
 */

probe hotspot.gc_collect_PSParallelCompact_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__collection__PSParallelCompact__begin")
{
  name = "gc_collect_PSParallelCompact_begin";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_PSParallelCompact_end
 * 
 * @name: gc_collect_PSParallelCompact_end
 * @address: Address of compaction.
 * @cause: Cause of the collection.
 *
 * Description: This marks the end of a  parallel compaction.
 * 
 */

probe hotspot.gc_collect_PSParallelCompact_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__collection__PSParallelCompact__end")
{
  name = "gc_collect_PSParallelCompact_end";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_PSMarkSweep_begin
 * 
 * @name: gc_collect_PSMarkSweep_begin
 * @address: Address of parallel mark sweep process.
 * @cause: Cause of the collection.
 *
 * Description: This marks the start of a parallel mark sweep for
 * objects that require collection.
 * 
 */

probe hotspot.gc_collect_PSMarkSweep_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__collection__PSMarkSweep__begin")
{
  name = "gc_collect_PSMarkSweep_begin";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_PSMarkSweep_end
 * 
 * @name: gc_collect_PSMarkSweep_end
 * @address: Address of parallel mark sweep process.
 * @cause: Cause of the collection.
 *
 * Description: This marks the start of a parallel mark sweep for
 * objects that require collection.
 * 
 */

probe hotspot.gc_collect_PSMarkSweep_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__collection__PSMarkSweep__end")
{
  name = "gc_collect_PSMarkSweep_end";
  address = sprintf("0x%x", $arg1);
  cause = $arg2;
  probestr = sprintf("%s(address='%s', cause='%d')", name, address, cause);
}

/*
 * probe - gc_collect_move
 * 
 * @name: gc_collect_move
 * @from_bottom_address: The bottom address of the object being moved.
 * @from_top_address: The top address of the object being moved.
 * @to_bottom_address: The bottom address of where the object is being moved to.
 * @to_top_address: The top address of where the object is being moved to.
 * @cause: Cause of the collection.
 *
 * Description: During garbage collections there are times where objects or 
 * blocks of memory need to be moved.  This probe will detail from where 
 * the memory is moving and where to.
 * 
 */

probe hotspot.gc_collect_move =
  process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__collection__move")
{
  name = "gc_collect_move";
  from_bottom_address = sprintf("0x%x", $arg1);
  from_top_address = sprintf("0x%x", $arg2);
  to_bottom_address = sprintf("0x%x", $arg3);
  to_top_address = sprintf("0x%x", $arg4);
  probestr = sprintf("%s(from_bottom_address='%s', from_top_address='%s', to_bottom_address='%s', to_top_address='%s')", name, from_bottom_address, from_top_address, to_bottom_address, to_top_address);

}

/*
 * probe - gc_collect_clear
 * 
 * @name: gc_collect_clear
 * @address: Address of object being collected.
 * @cause: Cause of the collection.
 *
 * Description: This probe dictates the region of data that needs to be 
 * cleared in a compaction action.
 * 
 */

probe hotspot.gc_collect_clear =
  process("/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.432.b06-2.el8.x86_64/lib/server/libjvm.so").mark("gc__collection__ParallelCompact__clear")
{
  name = "gc_collect_clear";
  region_data = sprintf("0x%x", $arg1);
  data_location = sprintf("0x%x", $arg2);
  probestr = sprintf("%s(region_data='%s', data_location='%s')", name, region_data, data_location);
  
}