RFR: 8323795: jcmd Compiler.codecache should print total size of code cache [v5]
Tobias Hartmann
thartmann at openjdk.org
Wed Feb 7 06:50:55 UTC 2024
On Tue, 30 Jan 2024 06:49:57 GMT, Yi Yang <yyang at openjdk.org> wrote:
>> CodeHeap 'non-profiled nmethods': size=118592Kb used=29Kb max_used=29Kb free=118562Kb
>> bounds [0x00007fbe84622000, 0x00007fbe84892000, 0x00007fbe8b9f2000]
>> CodeHeap 'profiled nmethods': size=118588Kb used=80Kb max_used=80Kb free=118507Kb
>> bounds [0x00007fbe7c9f2000, 0x00007fbe7cc62000, 0x00007fbe83dc1000]
>> CodeHeap 'non-nmethods': size=8580Kb used=1258Kb max_used=1834Kb free=7321Kb
>> bounds [0x00007fbe83dc1000, 0x00007fbe84031000, 0x00007fbe84622000]
>> total_blobs=474 nmethods=87 adapters=293
>> compilation: enabled
>> stopped_count=0, restarted_count=0
>> full_count=0
>>
>>
>> It's better to accumulates total size of used/free/size, for example
>>
>> -SegmentedCodeCache
>> CodeCache: size=245760Kb used=1366Kb max_used=1943Kb free=244393Kb
>> bounds [0x00007fdcc89f2000, 0x00007fdcc8c62000, 0x00007fdcd79f2000]
>> total_blobs=474, nmethods=87, adapters=293
>> stopped_count=0, restarted_count=0, full_count=0
>> compilation=enabled
>>
>>
>>
>> +SegmentedCodeCache
>> CodeHeap 'non-profiled nmethods': size=118592Kb used=29Kb max_used=29Kb free=118562Kb
>> bounds [0x00007f89c8622000, 0x00007f89c8892000, 0x00007f89cf9f2000]
>> CodeHeap 'profiled nmethods': size=118588Kb used=80Kb max_used=80Kb free=118507Kb
>> bounds [0x00007f89c09f2000, 0x00007f89c0c62000, 0x00007f89c7dc1000]
>> CodeHeap 'non-nmethods': size=8580Kb used=1258Kb max_used=1834Kb free=7321Kb
>> bounds [0x00007f89c7dc1000, 0x00007f89c8031000, 0x00007f89c8622000]
>> CodeCache: size=245760Kb, used=1367Kb, max_used=1943Kb, free=244390Kb
>> total_blobs=474, nmethods=87, adapters=293
>> stopped_count=0, restarted_count=0, full_count=0
>> compilation=enabled
>
> Yi Yang has updated the pull request incrementally with one additional commit since the last revision:
>
> fix ident && vmTestbase test
We have an internal test that relies on the jcmd output and fails with these changes. I'll try to figure out how to fix that test.
-------------
PR Comment: https://git.openjdk.org/jdk/pull/17445#issuecomment-1931391536
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