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SubjectRe: [PATCH 2/2] perf lock: Fix output of tracing lock events

* Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> wrote:

> This patch adds address of lockdep_map to each lock events.
> perf lock uses these addresses as IDs of lock instances.
>
> And this removes waittime from output of lock_acquired event.
> The value will be caliculated in userspace based on timestamp.
>
> Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
> ---
> include/trace/events/lock.h | 27 ++++++++++++++++++---------
> kernel/lockdep.c | 2 +-
> 2 files changed, 19 insertions(+), 10 deletions(-)

Frederic, Peter, do these two patches look good to you? We can apply them to
make subsequent perf lock work easier.

Thanks,

Ingo


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