How to display JVM HEAP and PERMGEN using JMAP

ssunel@javabender:/space/bin$ jmap -heap 4028
Attaching to process ID 4028, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 20.4-b02

using thread-local object allocation.
Parallel GC with 4 thread(s)

Heap Configuration:
   MinHeapFreeRatio = 40
   MaxHeapFreeRatio = 70
   MaxHeapSize      = 1073741824 (1024.0MB)
   NewSize          = 1048576 (1.0MB)
   MaxNewSize       = 4294901760 (4095.9375MB)
   OldSize          = 4194304 (4.0MB)
   NewRatio         = 2
   SurvivorRatio    = 8
   PermSize         = 16777216 (16.0MB)
   MaxPermSize      = 67108864 (64.0MB)

Heap Usage:
PS Young Generation
Eden Space:
   capacity = 31326208 (29.875MB)
   used     = 9114008 (8.691795349121094MB)
   free     = 22212200 (21.183204650878906MB)
   29.09387564559362% used
From Space:
   capacity = 10944512 (10.4375MB)
   used     = 10937848 (10.431144714355469MB)
   free     = 6664 (0.00635528564453125MB)
   99.93911103574102% used
To Space:
   capacity = 13828096 (13.1875MB)
   used     = 0 (0.0MB)
   free     = 13828096 (13.1875MB)
   0.0% used
PS Old Generation
   capacity = 54329344 (51.8125MB)
   used     = 30716608 (29.29364013671875MB)
   free     = 23612736 (22.51885986328125MB)
   56.5377855473462% used
PS Perm Generation
   capacity = 39321600 (37.5MB)
   used     = 22346712 (21.311485290527344MB)
   free     = 16974888 (16.188514709472656MB)
   56.83062744140625% used


ssunel@javabender:/space/$ jmap -permstat 4028
Attaching to process ID 4028, please wait...
Debugger attached successfully.
Server compiler detected.
JVM version is 20.4-b02
11313 intern Strings occupying 886336 bytes.
finding class loader instances ..Finding object size using Printezis bits and skipping over...
Finding object size using Printezis bits and skipping over...
Finding object size using Printezis bits and skipping over...
Finding object size using Printezis bits and skipping over...
Finding object size using Printezis bits and skipping over...
done.
computing per loader stat ..done.
please wait.. computing liveness......................................liveness analysis may be inaccurate ...
class_loader classes bytes parent_loader alive? type

<bootstrap> 2784 12492344  null   live <internal>
0xa1655e20 1 1784  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73a52dc8 6 18072 0x7447ada0 live sun/reflect/misc/MethodUtil@0x6fce5a10
0xa1682da8 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x74406470 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0xa16830d8 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73b660b8 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x7440c5b8 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73b66160 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x74406790 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73b66128 1 1216 0x73a52dc8 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x74b86370 1 1184  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x74405e30 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0xa15be7c0 1 1992  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73b660f0 1 1184  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73a52e60 1 1824  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x7447ade8 85 405928  null   live sun/misc/Launcher$ExtClassLoader@0x6f89e7b0
0x73a52e98 1 1992  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x7447ada0 2498 8514496 0x7447ade8 live sun/misc/Launcher$AppClassLoader@0x6f8ead78
0xa1683ad0 1 1808  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73b8f2e0 0 0 0x7447ada0 dead java/util/ResourceBundle$RBClassLoader@0x6fa09738
0xa16834a8 1 1184  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x73a52e08 1 1784  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0xa15beae0 1 2008  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x74406150 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0x74407ad0 1 1184 0x7447ada0 dead sun/reflect/DelegatingClassLoader@0x6f7a9c30
0xa16837c8 1 1184  null   dead sun/reflect/DelegatingClassLoader@0x6f7a9c30

total = 27 5395 21461824    N/A     alive=4, dead=23    N/A