HPjmeter 4.3 User's Guide

behavior, 134
tabs, 134
garbage first
incomplete, 104
GC data
-Xloggc, 100
-Xverbosegc, 94
-Xverbosegc options, 94
collecting, 94
collecting with zero preparation, 99
GC event
cumulative duration, 60
duration, 100
GC events
total count, 60
get started
console guide, 34
monitoring application, 34
Glance data, 194
collecting, 98
using javaGlanceAdviser.ksh, 98
Glance system call data, 198
graphical scrolling
pause and resume, 205
group_private, 27
H
heap
activity, 168
capacity, 105
capturing a snapshot of , 163
checking size for best allocation, 53
current live objects metric, 147
current usage, 58
decrease pressure, 54
hprof options, 77
memory usage in, 59, 75
percent of allocated used, 147
set threshold for usage alert, 124
usage, 106
usage after GC event, 100
usage alert, 129
usage before GC event, 100
usage maximum, 100
heap dump triggered GC, 104
heap monitor
application load, 50
application paging, 50
excessive System.gc() calls, 51
garbage collection pauses, 50
memory leaks, 53
metrics, 140
help
-Xverbosegc, 94
helper methods, 137
histogram
change color selection, 210
interpreting, 89
reading, 87
thread color values, 88
thread groups, 87, 176
threads, 87
time considerations, 87
history
alert log, 125
hot spots
java methods, 49
HotSpot
Garbage Collector, 94
HotSpot JVM, 136
CPU usage, 49
garbage collection, 141
method compilation, 57
out of memory, 220
too many loaded classes, 57
HP-UX
*fifo files, 221
/tmp, 221
node agent daemon, 47
HPjconfig, 24
hpjmeter script, 218
hprof
profiling with, 69, 76
hprof options, 79
cpu, 78
cutoff, 78
depth, 78
format, 78
heap, 77
thread, 78
I
ie
-Xeprof options, 74
include=, 28
inclusive time, 82
inlining
-Xeprof options, 73
candidates, 180
locating candidates for, 92
input/output
time, 88
installation
errors, 217
notes for Itanium-based systems, 26
intrusion
profiling, 212
Itanium-based systems
shared library path, 26
J
Java Method HotSpots
description, 136, 137
Java SDK 1.4.x
shared library path, 26
Java Virtual Machine
locating configuration in use during monitoring session,
135
232 Index