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2016-02-09blktrace: Use number of online CPUsAbutalib Aghayev
Currently, blktrace uses _SC_NPROCESSORS_CONF to find out the number of CPUs. This is a problem, because if you reduce the number of online CPUs by passing kernel parameter maxcpus, then blktrace fails to start with the error: FAILED to start thread on CPU 4: 22/Invalid argument FAILED to start thread on CPU 5: 22/Invalid argument ... The attached patch fixes it to use _SC_NPROCESSORS_ONLN. Signed-off-by: Jens Axboe <axboe@fb.com>
2013-08-01verify_blkparse: Change max_cpus to deal with systems larger the 512Nathan Zimmer
verify_blkpars has troubles with systems larger then 512. Also there is issue in the scanning code causing the cpu number to be truncated to the first two digits. i.e cpu 542 would be read as 54. Cc: Jens Axboe <axboe@kernel.dk> Signed-off-by: Nathan Zimmer <nzimmer@sgi.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2006-02-15[PATCH] verify_blkparse: -W warningJens Axboe
2006-02-02[PATCH] verify_blkparse: improve outputJens Axboe
2006-02-02[PATCH] verify_blkparse: update for per-CPU sequencesJens Axboe
2006-01-19[PATCH] verify_blkparse: init last_seq to -1 to avoid alias on sequence 0Jens Axboe
2005-10-09[PATCH[ verify_blkparse: dump number of events scannedJens Axboe
2005-10-09[PATCH] verify_blkparse: check for correct number of argumentsJens Axboe
2005-10-05[PATCH] verify_blkparse: correct sscanf returnJens Axboe
2005-10-03[PATCH verify_blkparse: dump number of sequence aliases as wellJens Axboe
2005-09-28[PATCH] verify_blkparse: print events not orderedJens Axboe
And fix exit code.
2005-09-28[PATCH] verify_blkparse: implement in C insteadJens Axboe
The C version checks a 92MB file in 2 seconds where the php version takes 23 seconds.