RFR(XXS) 8187979 Clean up info printing at CDS dump time

Ioi Lam ioi.lam at oracle.com
Wed Sep 27 03:44:22 UTC 2017


Hi Jiangli,

The "xx space:" column is lined up and the "Unknown" row is removed.


*** Before ***


mc space:     21736 [  0.1% of total] out of     24576 bytes [ 88.4% 
used] at 0x0000000800000000
rw space:   4229896 [ 23.4% of total] out of   4231168 bytes [100.0% 
used] at 0x0000000800006000
ro space:   7227952 [ 40.0% of total] out of   7229440 bytes [100.0% 
used] at 0x000000080040f000
md space:      6064 [  0.0% of total] out of      8192 bytes [ 74.0% 
used] at 0x0000000800af4000
od space:   6404560 [ 35.4% of total] out of   6406144 bytes [100.0% 
used] at 0x0000000800af6000
st0 space:    102400 [  0.6% of total] out of    102400 bytes [100% 
used] at 0x00000007bfc00000
oa0 space:     65536 [  0.4% of total] out of     65536 bytes [100% 
used] at 0x00000007bf800000
total   :  18058144 [100.0% of total] out of  18067456 bytes [ 99.9% used]
[3.470s][info ][cds             ] Detailed metadata info (excluding 
od/st regions; rw stats include md/mc regions):
                         ro_cnt   ro_bytes     % |   rw_cnt rw_bytes     
% |  all_cnt  all_bytes     %
--------------------+---------------------------+---------------------------+--------------------------
Unknown             :        0          0   0.0 | 0          0   0.0 
|        0          0   0.0
Class               :        0          0   0.0 |     1237 783584  18.4 
|     1237     783584   6.8
Symbol              :    36210    1415496  19.6 | 0          0   0.0 
|    36210    1415496  12.3


*** After ***


mc  space:     21736 [  0.1% of total] out of     24576 bytes [ 88.4% 
used] at 0x0000000800000000
rw  space:   4229896 [ 23.4% of total] out of   4231168 bytes [100.0% 
used] at 0x0000000800006000
ro  space:   7227952 [ 40.0% of total] out of   7229440 bytes [100.0% 
used] at 0x000000080040f000
md  space:      6064 [  0.0% of total] out of      8192 bytes [ 74.0% 
used] at 0x0000000800af4000
od  space:   6404560 [ 35.4% of total] out of   6406144 bytes [100.0% 
used] at 0x0000000800af6000
st0 space:    102400 [  0.6% of total] out of    102400 bytes [100% 
used] at 0x00000007bfc00000
oa0 space:     65536 [  0.4% of total] out of     65536 bytes [100% 
used] at 0x00000007bf800000
total    :  18058144 [100.0% of total] out of  18067456 bytes [ 99.9% used]
[3.692s][info ][cds             ] Detailed metadata info (excluding 
od/st regions; rw stats include md/mc regions):
                         ro_cnt   ro_bytes     % |   rw_cnt rw_bytes     
% |  all_cnt  all_bytes     %
--------------------+---------------------------+---------------------------+--------------------------
Class               :        0          0   0.0 |     1237 783584  18.4 
|     1237     783584   6.8
Symbol              :    36210    1415496  19.6 | 0          0   0.0 
|    36210    1415496  12.3


Thanks
- Ioi


On 9/26/17 6:02 PM, Jiangli Zhou wrote:
> Hi Ioi,
>
> Could you please send an updated dump output?
>
> Thanks,
> Jiangli
>
>> On Sep 26, 2017, at 3:03 PM, Ioi Lam <ioi.lam at oracle.com> wrote:
>>
>> A small clean up to removed obsolete info and improve indentation
>>
>> * https://bugs.openjdk.java.net/browse/JDK-8187979
>> * http://cr.openjdk.java.net/~iklam/jdk10/8187979-dump-info-cleanup.v01/
>>
>> Webrev doesn't show the lines that has only changes in blank spaces, but you can see the full diff here:
>>
>> * http://cr.openjdk.java.net/~iklam/jdk10/8187979-dump-info-cleanup.v01/open.patch
>>
>> Thanks
>>
>> - Ioi
>>



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