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Re: gcore command on 6.3 seems to generate smaller core than it should
Daniel,
What kind of mappings are missed? What doesn't show up in the core
file?
Readelf -l will show you the mapped regions of the core file.
core file created from 1.8gb process by gdb gcore command:
-rw-r--r-- 1 root root 13064248 2005-09-13 06:10 core.31810
readelf -l as requested:
> readelf -l core* > readelf.0610
> more read*
Elf file type is CORE (Core file)
Entry point 0x0
There are 4 program headers, starting at offset 52
Program Headers:
Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align
NOTE 0x0000b4 0x00000000 0x00000000 0x1667c 0x00000 R 0x1
LOAD 0x016730 0x08048000 0x00000000 0x00000 0x0e000 R E 0x1
LOAD 0x024730 0x08056000 0x00000000 0x02000 0x02000 RWE 0x1
LOAD 0x026730 0x08058000 0x00000000 0xc4f000 0xc4f000 RWE 0x1
Section to Segment mapping:
Segment Sections...
00
01 load
02 load
03 load
So if I sum up the MemSiz's it's about 0xc5f000 which is about the size
of the core. So where's the other 1.85gb including the Java heap which
was 1.5g by itself?
Here's a pmap of the process at the same time:
31810: [...]/java -server [...] -Xms1536m -Xmx1536m [...]
08056000 8K rwx-- /usr/local/sendmail/mm-2.1/jre15/bin/java
08058000 12604K rwx-- [ anon ]
44e00000 16384K rw-s- /var/sendmail/mm/counters/countdb.data
46600000 132K rwx-- [ anon ]
46621000 892K ----- [ anon ]
46800000 1020K rwx-- [ anon ]
468ff000 4K ----- [ anon ]
46a00000 992K rwx-- [ anon ]
46af8000 32K ----- [ anon ]
46b00000 1004K rwx-- [ anon ]
46bfb000 20K ----- [ anon ]
46c00000 132K rwx-- [ anon ]
46c21000 892K ----- [ anon ]
46d00000 1024K rwx-- [ anon ]
46e00000 1004K rwx-- [ anon ]
46efb000 20K ----- [ anon ]
46f00000 488K rwx-- [ anon ]
46f7a000 536K ----- [ anon ]
47100000 2048K rwx-- [ anon ]
47300000 996K rwx-- [ anon ]
473f9000 28K ----- [ anon ]
47500000 772K rwx-- [ anon ]
475c1000 252K ----- [ anon ]
47700000 1016K rwx-- [ anon ]
477fe000 8K ----- [ anon ]
47800000 1004K rwx-- [ anon ]
478fb000 20K ----- [ anon ]
47900000 392K rwx-- [ anon ]
47962000 632K ----- [ anon ]
47a00000 1012K rwx-- [ anon ]
47afd000 12K ----- [ anon ]
47c00000 1024K rwx-- [ anon ]
47d00000 1004K rwx-- [ anon ]
47dfb000 20K ----- [ anon ]
47f00000 1016K rwx-- [ anon ]
47ffe000 8K ----- [ anon ]
48000000 1012K rwx-- [ anon ]
480fd000 12K ----- [ anon ]
48100000 132K rwx-- [ anon ]
48121000 892K ----- [ anon ]
48300000 1488K rwx-- [ anon ]
48474000 560K ----- [ anon ]
48500000 996K rwx-- [ anon ]
485f9000 28K ----- [ anon ]
48623000 516K rwx-- [ anon ]
486a4000 12K rwx-- [ anon ]
486a7000 504K rwx-- [ anon ]
48725000 12K ----- [ anon ]
48728000 504K rwx-- [ anon ]
487a6000 12K ----- [ anon ]
487a9000 504K rwx-- [ anon ]
48827000 12K ----- [ anon ]
4882a000 504K rwx-- [ anon ]
488a8000 12K ----- [ anon ]
488ab000 504K rwx-- [ anon ]
48929000 12K ----- [ anon ]
4892c000 504K rwx-- [ anon ]
489aa000 12K ----- [ anon ]
489ad000 504K rwx-- [ anon ]
48a2b000 12K ----- [ anon ]
48a2e000 504K rwx-- [ anon ]
48aac000 12K ----- [ anon ]
48aaf000 504K rwx-- [ anon ]
48b2d000 12K ----- [ anon ]
48b30000 504K rwx-- [ anon ]
48bae000 12K ----- [ anon ]
48bb1000 504K rwx-- [ anon ]
48c2f000 12K ----- [ anon ]
48c32000 504K rwx-- [ anon ]
48cb0000 12K ----- [ anon ]
48cb3000 504K rwx-- [ anon ]
48d31000 12K ----- [ anon ]
48d34000 504K rwx-- [ anon ]
48db2000 12K ----- [ anon ]
48db5000 504K rwx-- [ anon ]
48e33000 12K ----- [ anon ]
48e36000 504K rwx-- [ anon ]
48eb4000 12K ----- [ anon ]
48eb7000 504K rwx-- [ anon ]
48f35000 12K ----- [ anon ]
48f38000 504K rwx-- [ anon ]
48fb6000 12K ----- [ anon ]
48fb9000 504K rwx-- [ anon ]
49037000 12K ----- [ anon ]
4903a000 504K rwx-- [ anon ]
490b8000 12K ----- [ anon ]
490bb000 504K rwx-- [ anon ]
49139000 12K ----- [ anon ]
4913c000 504K rwx-- [ anon ]
491ba000 12K ----- [ anon ]
491bd000 504K rwx-- [ anon ]
4923b000 12K ----- [ anon ]
4923e000 504K rwx-- [ anon ]
492bc000 12K ----- [ anon ]
492bf000 504K rwx-- [ anon ]
4933d000 12K ----- [ anon ]
49340000 504K rwx-- [ anon ]
493be000 12K ----- [ anon ]
493c1000 504K rwx-- [ anon ]
4943f000 12K ----- [ anon ]
49442000 504K rwx-- [ anon ]
494c0000 12K ----- [ anon ]
494c3000 504K rwx-- [ anon ]
49541000 12K ----- [ anon ]
49544000 504K rwx-- [ anon ]
495c2000 12K ----- [ anon ]
495c5000 504K rwx-- [ anon ]
49643000 12K ----- [ anon ]
49646000 504K rwx-- [ anon ]
496c4000 12K ----- [ anon ]
496c7000 504K rwx-- [ anon ]
49745000 12K ----- [ anon ]
49748000 504K rwx-- [ anon ]
497c6000 12K ----- [ anon ]
497c9000 504K rwx-- [ anon ]
49847000 12K ----- [ anon ]
4984a000 504K rwx-- [ anon ]
498c8000 12K ----- [ anon ]
498cb000 504K rwx-- [ anon ]
49949000 12K ----- [ anon ]
4994c000 504K rwx-- [ anon ]
499ca000 12K ----- [ anon ]
499cd000 504K rwx-- [ anon ]
49a4b000 12K ----- [ anon ]
49a4e000 504K rwx-- [ anon ]
49acc000 12K ----- [ anon ]
49acf000 504K rwx-- [ anon ]
49b4d000 12K ----- [ anon ]
49b50000 504K rwx-- [ anon ]
49bce000 12K ----- [ anon ]
49bd1000 504K rwx-- [ anon ]
49c4f000 12K ----- [ anon ]
49c52000 504K rwx-- [ anon ]
49cd0000 12K ----- [ anon ]
49cd3000 504K rwx-- [ anon ]
49d51000 12K ----- [ anon ]
49d54000 504K rwx-- [ anon ]
49dd2000 12K ----- [ anon ]
49dd5000 504K rwx-- [ anon ]
49e53000 12K ----- [ anon ]
49e56000 504K rwx-- [ anon ]
49ed4000 12K ----- [ anon ]
49ed7000 504K rwx-- [ anon ]
49f55000 12K ----- [ anon ]
49f58000 504K rwx-- [ anon ]
49fd6000 12K ----- [ anon ]
49fd9000 504K rwx-- [ anon ]
4a057000 12K ----- [ anon ]
4a05a000 504K rwx-- [ anon ]
4a0d8000 12K ----- [ anon ]
4a0db000 504K rwx-- [ anon ]
4a159000 12K ----- [ anon ]
4a15c000 504K rwx-- [ anon ]
4a1da000 12K ----- [ anon ]
4a1dd000 504K rwx-- [ anon ]
4a25b000 12K ----- [ anon ]
4a25e000 504K rwx-- [ anon ]
4a2dc000 12K ----- [ anon ]
4a2df000 504K rwx-- [ anon ]
4a35d000 12K ----- [ anon ]
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4a3e1000 504K rwx-- [ anon ]
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4a462000 504K rwx-- [ anon ]
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4a4e3000 504K rwx-- [ anon ]
4a561000 12K ----- [ anon ]
4a564000 504K rwx-- [ anon ]
4a5e2000 12K ----- [ anon ]
4a5e5000 504K rwx-- [ anon ]
4a663000 12K ----- [ anon ]
4a666000 504K rwx-- [ anon ]
4a6e4000 12K ----- [ anon ]
4a6e7000 504K rwx-- [ anon ]
4a765000 12K ----- [ anon ]
4a768000 504K rwx-- [ anon ]
4a7e6000 12K ----- [ anon ]
4a7e9000 504K rwx-- [ anon ]
4a867000 12K ----- [ anon ]
4a86a000 504K rwx-- [ anon ]
4a8e8000 12K ----- [ anon ]
4a8eb000 504K rwx-- [ anon ]
4a969000 12K ----- [ anon ]
4a96c000 504K rwx-- [ anon ]
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4a9ed000 504K rwx-- [ anon ]
4aa6b000 12K ----- [ anon ]
4aa6e000 504K rwx-- [ anon ]
4aaec000 12K ----- [ anon ]
4aaef000 504K rwx-- [ anon ]
4ab6d000 12K ----- [ anon ]
4ab70000 504K rwx-- [ anon ]
4abee000 12K ----- [ anon ]
4abf1000 504K rwx-- [ anon ]
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4ac72000 504K rwx-- [ anon ]
4acf0000 12K ----- [ anon ]
4acf3000 504K rwx-- [ anon ]
4ad71000 12K ----- [ anon ]
4ad74000 504K rwx-- [ anon ]
4adf2000 12K ----- [ anon ]
4adf5000 504K rwx-- [ anon ]
4ae73000 12K ----- [ anon ]
4ae76000 504K rwx-- [ anon ]
4aef4000 12K ----- [ anon ]
4aef7000 504K rwx-- [ anon ]
4af75000 12K ----- [ anon ]
4af78000 504K rwx-- [ anon ]
4aff6000 12K ----- [ anon ]
4aff9000 504K rwx-- [ anon ]
4b077000 12K ----- [ anon ]
4b07a000 504K rwx-- [ anon ]
4b0f8000 12K ----- [ anon ]
4b0fb000 504K rwx-- [ anon ]
4b179000 12K ----- [ anon ]
4b17c000 504K rwx-- [ anon ]
4b1fa000 12K ----- [ anon ]
4b1fd000 504K rwx-- [ anon ]
4b27b000 12K ----- [ anon ]
4b27e000 504K rwx-- [ anon ]
4b2fc000 12K ----- [ anon ]
4b2ff000 504K rwx-- [ anon ]
4b37d000 12K ----- [ anon ]
4b380000 504K rwx-- [ anon ]
4b3fe000 12K ----- [ anon ]
4b401000 504K rwx-- [ anon ]
4b47f000 12K ----- [ anon ]
4b482000 1500K rwx-- [ anon ]
4b5f9000 28K ----- [ anon ]
4b67f000 12K rwx-- [ anon ]
4b682000 1512K rwx-- [ anon ]
4b7fc000 16K ----- [ anon ]
4b87f000 12K ----- [ anon ]
4b882000 1500K rwx-- [ anon ]
4b9f9000 28K ----- [ anon ]
4ba00000 1000K rwx-- [ anon ]
4bafa000 24K ----- [ anon ]
4bb7f000 1528K rwx-- [ anon ]
4bcfd000 12K ----- [ anon ]
4bd3b000 4K rwx-- [ anon ]
4bd7f000 12K ----- [ anon ]
4bd82000 1524K rwx-- [ anon ]
4beff000 4K ----- [ anon ]
4bf7f000 12K ----- [ anon ]
4bf82000 1524K rwx-- [ anon ]
4c0ff000 4K ----- [ anon ]
4c100000 1012K rwx-- [ anon ]
4c1fd000 12K ----- [ anon ]
4c200000 984K rwx-- [ anon ]
4c2f6000 40K ----- [ anon ]
4c300000 1016K rwx-- [ anon ]
4c3fe000 8K ----- [ anon ]
4c400000 1024K rwx-- [ anon ]
4c525000 12K ----- [ anon ]
4c528000 504K rwx-- [ anon ]
4c5a6000 2064K r-x-- /usr/local/sendmail/mm-2.1/lib/ext/liblnxfv.so
4c7aa000 340K rwx-- /usr/local/sendmail/mm-2.1/lib/ext/liblnxfv.so
4c7ff000 1012K rwx-- [ anon ]
4c8fc000 16K ----- [ anon ]
4c97f000 12K ----- [ anon ]
4c982000 1512K rwx-- [ anon ]
4cafc000 16K ----- [ anon ]
4cb00000 1024K rwx-- [ anon ]
4cc00000 1004K rwx-- [ anon ]
4ccfb000 20K ----- [ anon ]
4cd4b000 16K r-x--
/usr/local/sendmail/mm-2.1/lib/ext/libOlympusConnector.so
4cd4f000 4K rwx--
/usr/local/sendmail/mm-2.1/lib/ext/libOlympusConnector.so
4cd50000 16K rwx-- [ anon ]
4cdb0000 648K r-x-- /lib/libstdc++.so.5
4ce52000 88K rwx-- /lib/libstdc++.so.5
4ce68000 20K rwx-- [ anon ]
4ce6d000 4K r-x--
/usr/local/sendmail/mm-2.1/lib/ext/libSyslogConnector.so
4ce6e000 4K rwx--
/usr/local/sendmail/mm-2.1/lib/ext/libSyslogConnector.so
4ce6f000 12K r-xs- /usr/local/sendmail/mm-2.1/lib/smtp.jar
4ce72000 8K r-xs-
/usr/local/sendmail/mm-2.1/lib/smicharsetprovider.jar
4ce74000 3140K r-xs- /usr/local/sendmail/mm-2.1/lib/pdfbox.jar
4d185000 152K r-xs- /usr/local/sendmail/mm-2.1/lib/mailapi.jar
4d1ab000 344K r-xs- /usr/local/sendmail/mm-2.1/lib/log4j.jar
4d201000 28K r-xs- /usr/local/sendmail/mm-2.1/lib/jilter.jar
4d208000 908K r-xs- /usr/local/sendmail/mm-2.1/lib/jfreechart.jar
4d2eb000 324K r-xs- /usr/local/sendmail/mm-2.1/lib/jcommon.jar
4d33c000 784K r-xs- /usr/local/sendmail/mm-2.1/lib/jakarta-poi.jar
4d400000 992K rwx-- [ anon ]
4d4f8000 32K ----- [ anon ]
4d507000 56K r-x-- /lib/libresolv-2.3.5.so
4d515000 8K rwx-- /lib/libresolv-2.3.5.so
4d517000 8K rwx-- [ anon ]
4d519000 16K r-x-- /lib/libnss_dns-2.3.5.so
4d51d000 8K rwx-- /lib/libnss_dns-2.3.5.so
4d51f000 80K r-x-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libnet.so
4d533000 4K rwx-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libnet.so
4d534000 64K r-xs- /usr/local/sendmail/mm-2.1/lib/jakarta-oro.jar
4d544000 3036K r-xs- /usr/local/sendmail/mm-2.1/lib/iocaine.jar
4d83b000 600K r-xs- /usr/local/sendmail/mm-2.1/lib/hsqldb.jar
4d8d1000 8K r-xs-
/usr/local/sendmail/mm-2.1/lib/eXpurgateConnector.jar
4d8d3000 252K r-xs- /usr/local/sendmail/mm-2.1/lib/dnsjava.jar
4d912000 12K ----- [ anon ]
4d915000 504K rwx-- [ anon ]
4d993000 316K r-xs- /usr/local/sendmail/mm-2.1/.install4j/i4jruntime.jar
4d9e2000 780K r-xs-
/usr/local/sendmail/mm-2.1/jre15/lib/ext/localedata.jar
4daa5000 8K r-xs- /usr/local/sendmail/mm-2.1/jre15/lib/ext/dnsns.jar
4daa7000 172K r-xs-
/usr/local/sendmail/mm-2.1/jre15/lib/ext/sunpkcs11.jar
4dad2000 152K r-xs-
/usr/local/sendmail/mm-2.1/jre15/lib/ext/sunjce_provider.jar
4daf8000 4K ----- [ anon ]
4daf9000 512K rwx-- [ anon ]
4db79000 12K ----- [ anon ]
4db7c000 504K rwx-- [ anon ]
4dbfa000 12K ----- [ anon ]
4dbfd000 504K rwx-- [ anon ]
4dc7b000 12K ----- [ anon ]
4dc7e000 504K rwx-- [ anon ]
4dcfc000 12K ----- [ anon ]
4dcff000 504K rwx-- [ anon ]
4dd7d000 12K ----- [ anon ]
4dd80000 504K rwx-- [ anon ]
4ddfe000 12K ----- [ anon ]
4de01000 504K rwx-- [ anon ]
4de7f000 12K ----- [ anon ]
4de82000 1528K rwx-- [ anon ]
4e005000 24K r-x-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libnio.so
4e00b000 4K rwx-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libnio.so
4e00c000 32K r-x-- /lib/libgcc_s.so.1
4e014000 4K rwx-- /lib/libgcc_s.so.1
4e015000 28K r-xs- /usr/local/sendmail/mm-2.1/lib/chardet.jar
4e01c000 48K r-xs- /usr/local/sendmail/mm-2.1/lib/activation.jar
4e028000 8K r-xs- /usr/local/sendmail/mm-2.1/lib/SyslogConnector.jar
4e02a000 20K r-xs- /usr/local/sendmail/mm-2.1/lib/OlympusConnector.jar
4e02f000 4K ----- [ anon ]
4e030000 512K rwx-- [ anon ]
4e0b0000 4K ----- [ anon ]
4e0b1000 512K rwx-- [ anon ]
4e131000 4K ----- [ anon ]
4e132000 512K rwx-- [ anon ]
4e1b2000 4K ----- [ anon ]
4e1b3000 512K rwx-- [ anon ]
4e233000 4K ----- [ anon ]
4e234000 544K rwx-- [ anon ]
4e2bc000 96K rwx-- [ anon ]
4e2d4000 2764K rwx-- [ anon ]
4e587000 96K rwx-- [ anon ]
4e59f000 19460K rwx-- [ anon ]
4f8a0000 49152K rwx-- [ anon ]
528a0000 1572864K rwx-- [ anon ]
b28a4000 8K r-xs- /usr/local/sendmail/mm-2.1/lib/F-ProtConnector.jar
b28a6000 124K rwx-- [ anon ]
b28c5000 388K rwx-- [ anon ]
b2926000 7904K rwx-- [ anon ]
b30de000 24864K rwx-- [ anon ]
b4926000 8312K r-xs- /usr/local/sendmail/mm-2.1/jre15/lib/charsets.jar
b5144000 80K r-xs- /usr/local/sendmail/mm-2.1/jre15/lib/jce.jar
b5158000 484K r-xs- /usr/local/sendmail/mm-2.1/jre15/lib/jsse.jar
b51d1000 420K rwx-- [ anon ]
b523a000 34700K r-xs- /usr/local/sendmail/mm-2.1/jre15/lib/rt.jar
b741d000 76K r-x-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libzip.so
b7430000 8K rwx-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libzip.so
b7432000 132K r-x-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libjava.so
b7453000 8K rwx-- /usr/local/sendmail/mm-2.1/jre15/lib/i386/libjava.so
b7455000 44K r-x--
/usr/local/sendmail/mm-2.1/jre15/lib/i386/libverify.so
b7460000 4K rwx--
/usr/local/sendmail/mm-2.1/jre15/lib/i386/libverify.so
b7461000 32K rwxs- /tmp/hsperfdata_root/31810
b7469000 32K r-x-- /lib/libnss_files-2.3.5.so
b7471000 8K rwx-- /lib/libnss_files-2.3.5.so
b7473000 68K r-x-- /lib/libnsl-2.3.5.so
b7484000 8K rwx-- /lib/libnsl-2.3.5.so
b7486000 8K rwx-- [ anon ]
b7489000 8K r-xs-
/usr/local/sendmail/mm-2.1/lib/CloudmarkConnector.jar
b748b000 24K r-x--
/usr/local/sendmail/mm-2.1/jre15/lib/i386/native_threads/libhpi.so
b7491000 4K rwx--
/usr/local/sendmail/mm-2.1/jre15/lib/i386/native_threads/libhpi.so
b7492000 132K r-x-- /lib/libm-2.3.5.so
b74b3000 8K rwx-- /lib/libm-2.3.5.so
b74b5000 5148K r-x--
/usr/local/sendmail/mm-2.1/jre15/lib/i386/server/libjvm.so
b79bc000 392K rwx--
/usr/local/sendmail/mm-2.1/jre15/lib/i386/server/libjvm.so
b7a1e000 4188K rwx-- [ anon ]
b7e35000 1120K r-x-- /lib/libc-2.3.5.so
b7f4d000 4K r-x-- /lib/libc-2.3.5.so
b7f4e000 12K rwx-- /lib/libc-2.3.5.so
b7f51000 8K rwx-- [ anon ]
b7f53000 8K r-x-- /lib/libdl-2.3.5.so
b7f55000 8K rwx-- /lib/libdl-2.3.5.so
b7f57000 60K r-x-- /lib/libpthread-2.3.5.so
b7f66000 8K rwx-- /lib/libpthread-2.3.5.so
b7f68000 12K rwx-- [ anon ]
b7f6b000 4K r-x-- [ anon ]
b7f6c000 4K rwx-- [ anon ]
b7f6d000 4K r-x-- [ anon ]
b7f6e000 92K r-x-- /lib/ld-2.3.5.so
b7f85000 8K rwx-- /lib/ld-2.3.5.so
bf885000 12K ----- [ anon ]
bf888000 2036K rwx-- [ stack ]
ffffe000 4K ----- [ anon ]
total 1879992K
Thanks for any continued help...
Chris