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authorJens Axboe <axboe@wiggum>2005-08-26 13:49:39 +0200
committerJens Axboe <axboe@wiggum>2005-08-26 13:49:39 +0200
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+Block IO Tracing
+----------------
+
+Written by Jens Axboe <axboe@suse.de> (initial version and kernel support) and
+Alan D. Brunelle (threading and splitup into two seperate programs).
+
+
+To run:
+ % blktrace <dev>
+ --- run task to generate load to be traced ---
+ <SIGINT to kill>
+ --- Generates:
+ <dev>_dat.[0..ncpus] : Contains binary pdu data
+ <dev>_out.[0..ncpus] : Contains binary trace data
+
+ % blkparse <dev> <ncpus>
+ --- Generates:
+ <dev>_log.[0..ncpus] : Contains formatted trace data
+ Merged formatted trace data to stdout