HCoop / hcoop / debian / openafs.git / blame
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1 | =head1 NAME |
| 2 | ||
| 3 | fstrace_setlog - Sets the size of a trace log | |
| 4 | ||
| 5 | =head1 SYNOPSIS | |
| 6 | ||
| 7 | =for html | |
| 8 | <div class="synopsis"> | |
| 9 | ||
| 10 | B<fstrace setlog> S<<< [B<-log> <I<log name>>+] >>> | |
| 11 | S<<< B<-buffersize> <I<1-kilobyte units>> >>> [B<-help>] | |
| 12 | ||
| 13 | B<fstrace setl> S<<< [B<-l> <I<log name>>+] >>> | |
| 14 | S<<< B<-b> <I<1-kilobyte units>> >>> [B<-h>] | |
| 15 | ||
| 16 | =for html | |
| 17 | </div> | |
| 18 | ||
| 19 | =head1 DESCRIPTION | |
| 20 | ||
| 21 | The B<fstrace setlog> command defines the number of kilobytes of kernel | |
| 22 | memory allocated for the C<cmfx> trace log. If kernel memory is currently | |
| 23 | allocated, the command clears the current log and creates a new log buffer | |
| 24 | of the specified size. | |
| 25 | ||
| 26 | To display the current defined size of the log buffer, issue the B<fstrace | |
| 27 | lslog> command with the B<-long> argument. To control whether the | |
| 28 | indicated amount of space is actually allocated, use the B<fstrace setset> | |
| 29 | command to set the status of the C<cm> event set; to display the event | |
| 30 | set's status, use the B<fstrace lsset> command. | |
| 31 | ||
| 32 | =head1 OPTIONS | |
| 33 | ||
| 34 | =over 4 | |
| 35 | ||
| 36 | =item B<-log> <I<log name>>+ | |
| 37 | ||
| 38 | Names trace log for which to set the size. The only acceptable | |
| 39 | value is C<cmfx>, which is also the default if this argument is | |
| 40 | omitted. | |
| 41 | ||
| 42 | =item B<-buffersize> <I<1-kilobyte units>> | |
| 43 | ||
| 44 | Specifies the number of 1-kilobyte blocks of kernel memory to allocate for | |
| 45 | the trace log. | |
| 46 | ||
| 47 | =item B<-help> | |
| 48 | ||
| 49 | Prints the online help for this command. All other valid options are | |
| 50 | ignored. | |
| 51 | ||
| 52 | =back | |
| 53 | ||
| 54 | =head1 EXAMPLES | |
| 55 | ||
| 56 | The following command allocated 80 KB of kernel memory for the C<cmfx> | |
| 57 | trace log: | |
| 58 | ||
| 59 | # fstrace setlog -log cmfx -buffersize 80 | |
| 60 | ||
| 61 | =head1 PRIVILEGE REQUIRED | |
| 62 | ||
| 63 | The issuer must be logged in as the local superuser C<root>. | |
| 64 | ||
| 65 | =head1 SEE ALSO | |
| 66 | ||
| 67 | L<fstrace(8)>, | |
| 68 | L<fstrace_lslog(8)>, | |
| 69 | L<fstrace_lsset(8)>, | |
| 70 | L<fstrace_setset(8)> | |
| 71 | ||
| 72 | =head1 COPYRIGHT | |
| 73 | ||
| 74 | IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved. | |
| 75 | ||
| 76 | This documentation is covered by the IBM Public License Version 1.0. It was | |
| 77 | converted from HTML to POD by software written by Chas Williams and Russ | |
| 78 | Allbery, based on work by Alf Wachsmann and Elizabeth Cassell. |