| commit | 36655f24a2174bf72f87139571f2814e770cd693 | [log] [tgz] |
|---|---|---|
| author | Edwin Kempin <ekempin@google.com> | Fri Aug 31 09:44:07 2018 +0200 |
| committer | Edwin Kempin <ekempin@google.com> | Tue Sep 11 08:13:00 2018 +0200 |
| tree | 4a2c117ef3acc6852e0fa7ccbed79b2336e692cb | |
| parent | f51cf2323b627c5ea76e8b6f8b37fb195be0fd25 [diff] |
Add support for tracing the execution time of operations
For some operations we have metrics that record how long the operation
took. For these operations we already record the execution time in the
trace.
However sometimes it is useful to record the execution time of an
operation in a trace without having a metric for this operation. This
change adds support for recording execution times of operations in a
trace without having a metric for it.
E.g.
try (TraceTimer traceTimer =
TraceContext.newTimer("do foo for user %s", user)) {
// do foo
}
adds the following entry to the trace:
do foo for user jdoe took 20ms
If tracing is not enabled this is a no-op.
To demonstrate the new functionality this change records the times the
indexing takes if tracing is enabled.
Change-Id: Iddf4fd78ddfb96965802f95535a264a9c8f8a2ea
Signed-off-by: Edwin Kempin <ekempin@google.com>
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