HPjmeter 4.2 User's Guide

naming monitoring data files, 39
naming profile data files, 65
object allocation by class, 44, 127
object allocation by method, 44, 128
OutOfMemory error, 110
percentage spent in garbage collection, 125
saving session data, 38
specifying, 100
system call data, 174
thread histogram, 131
thread histogram and abnormal thread termination,
44
thread histogram and lock contention, 45
thread histogram and short-lived threads, 44
thrown exceptions, 120
thrown exceptions with stack trace, 120
unfinalized objects, 126
User-Defined X-Y Axes for GC analysis, 167
viewing, 29, 31
Metrics menu, 29, 116
modes
active, 187
dormant, 187
Monitor menu, 29
visualizer behavior, 116
monitor_batch, 38
saving session data, 38
Multiple User-Defined tab in GC viewer, 168
N
native idle, 74
noalloc, 20
JVM options, 187
noarrayleak, 20
node
color display example, 76
node agent
-logging option, 195
-port option, 37, 38, 195
Can't use port port_number, 195
command-line options, 37, 38, 195
concepts, 13
configuring, 37
confirm status, 23
connecting to, 23, 24
connection options, 197
daemon, 37
data icons, 95
multiple, 38
not running, 37
performance overhead, 187
port number, 37, 38, 195
security, 38
starting, 37
stopping, 38
noexception, 20
nohotspots, 20
JVM options, 187
nomemleak, 20
notification
e-mail alert, 107
enabling alert e-mail, 101
enabling for MBeans attributes, 56
JMX tab, 52
JMX viewer, 56
O
object
copying data into a spreadsheet, 130
created (by count), 145
created (in bytes), 145
created by method, 145
cumulative size, 129
current live instances, 129
live, 146
live (by count), 145
live (in bytes), 145
monitoring live in heap, 129
newborn tenuring threshold, 82
not yet finalized, 126
reflective, 82
residual by count, 152
residual in bytes, 152
sorting in Current Live Heap Objects table, 130
storage of in permanent generation, 82
unfinalized, 146
object allocation by class
excessive, 44
metrics, 127
object allocation by method
excessive, 44
metrics, 128
object reference
call graph, 75
Object Reference Graph
pruning, 77
old full GC, 88
old generation, 81, 87, 89
print data, 80
spaces, 82
old too full GC, 88
operating system version
locating, 48
optimization
method compilation, 46
options
alert e-mail notification, 108
JVM agents, 17
node agents, 37
options used
locating, 52
Oracle9i
excluded packages, 18
out-of-memory
alerts, 110
confirming, 43
console, 193, 194
HotSpot JVM, 194
210 Index