blktrace: fix timestamp in binary output
I found the timestamp is wrong: # echo bin > trace_option # echo blk > current_tracer # cat trace_pipe | blkparse -i - 8,0 0 0 0.000000000 504 A W ... ... 8,7 1 0 0.008534097 0 C R ... (should be 8.534097xxx) user-space blkparse expects the timestamp to be nanosecond. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Jens Axboe <jens.axboe@oracle.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -1168,7 +1168,7 @@ static int blk_trace_synthesize_old_trace(struct trace_iterator *iter)
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const int offset = offsetof(struct blk_io_trace, sector);
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struct blk_io_trace old = {
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.magic = BLK_IO_TRACE_MAGIC | BLK_IO_TRACE_VERSION,
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.time = ns2usecs(iter->ts),
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.time = iter->ts,
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};
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if (!trace_seq_putmem(s, &old, offset))
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