Todd Lipcon has submitted this change and it was merged.

Change subject: tracing: add a 'label' for child traces
......................................................................


tracing: add a 'label' for child traces

Currently, when a trace has a child trace, it's not obvious how it's related to
the parent. This adds a simple label.

Change-Id: I2b9a7655131c1013fea26e5bc87651b38ff1920f
Reviewed-on: http://gerrit.cloudera.org:8080/2888
Tested-by: Kudu Jenkins
Reviewed-by: Adar Dembo <[email protected]>
---
M src/kudu/tablet/transactions/transaction_driver.cc
M src/kudu/util/memory/arena.h
M src/kudu/util/trace-test.cc
M src/kudu/util/trace.cc
M src/kudu/util/trace.h
5 files changed, 37 insertions(+), 13 deletions(-)

Approvals:
  Adar Dembo: Looks good to me, approved
  Kudu Jenkins: Verified



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Gerrit-MessageType: merged
Gerrit-Change-Id: I2b9a7655131c1013fea26e5bc87651b38ff1920f
Gerrit-PatchSet: 3
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Todd Lipcon <[email protected]>
Gerrit-Reviewer: Adar Dembo <[email protected]>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Mike Percy <[email protected]>
Gerrit-Reviewer: Todd Lipcon <[email protected]>

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