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Subject[PATCH tip][0/2] ftrace interface for blktrace
Hi Jens,

Here is a third version, that also implements blk_add_trace_msg,
using ftrace_vprintk.

As soon as the TRACE_ITER_CONTEXT_INFO option is implemented
I'll provide the struct trace_event->bin() callback to synthesize the
old blktrace record format so that we can test the output of trace_pipe
with blkparse -i -.

Please let me know if this is acceptable for inclusion on
linux-tip.

Best Regards,

- Arnaldo

block/blktrace.c | 651 ++++++++++++++++++++++++++++++++++++++++++++++++-
fs/partitions/check.c | 7
include/linux/ftrace.h | 8
kernel/trace/trace.c | 9
kernel/trace/trace.h | 1
5 files changed, 671 insertions(+), 5 deletions(-)


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