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Full Discussion: How to do core dump analysis
Top Forums UNIX for Advanced & Expert Users How to do core dump analysis Post 73679 by vijaysabari on Friday 3rd of June 2005 08:50:23 AM
Old 06-03-2005
Dbx debugger to analysis coredumps ......

dbx debugger is used to analysis the coredumps ............. i will explain with anexample

cc -g first.c
dbx ./a.out


Reading a.out
Reading ld.so.1
Reading libc.so.1
Reading libdl.so.1
Reading libc_psr.so.1
(dbx 1) sif main
(2) stop infunction main
(dbx 2) run
Running: a.out
(process id 6156)
stopped in main at line 7 in file "first.c"
7 printf("%d\n",time(&t1));
(dbx 3) n
1117798709
stopped in main at line 8 in file "first.c"
8 for ( i=0 ; i<10; i++ ){
(dbx 4) n
stopped in main at line 9 in file "first.c"
9 printf("%d\n",rand());
(dbx 5) n
16838
stopped in main at line 8 in file "first.c"
8 for ( i=0 ; i<10; i++ ){
(dbx 6) exitbx 6)
 

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lpana(1M)																 lpana(1M)

NAME
lpana - display LP spooler performance analysis information SYNOPSIS
dest] DESCRIPTION
displays LP spooler performance information, which system administrators can use to optimize the configuration of the entire spooler sys- tem. Options recognizes one option: Choose dest as the printer or the class of printers. If dest is a printer, the performance analysis information is dis- played for that specific printer. If dest is a class of printers, the performance analysis information is displayed for the printers that are members of the class. By default, displays the performance analysis information for all printers and/or classes. examines for the following items: Average waiting time from when job is spooled until start of printing. Standard Deviation for waiting time. Average printing time from start to end of job. Standard Deviation for printing time. Average of number of bytes printed per request. Standard Deviation for number of bytes. Sum of bytes printed for all requests (in kilobytes). Total number of requests since logging started. EXTERNAL INFLUENCES
Environment Variables determines the language in which messages are displayed. Setting causes the destination names exceeding 14 characters to be wrapped to multiple lines. This will ensure proper indentation of all the other displayed fields. WARNINGS
performs its operation on the local system only. AUTHOR
was developed by HP. FILES
SEE ALSO
lp(1), lpstat(1), lpadmin(1M), lpsched(1M). lpana(1M)
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