Jens Johansen
2c0648dd7d
[analyzer cli] Don't ask for errors on the same file several times
```
$ out/ReleaseX64/dart pkg/front_end/tool/benchmarker.dart --silent --iterations=10 --gcs=5 --snapshot=pkg/analyzer_cli/bin/analyzer.aot.1 --snapshot=pkg/analyzer_cli/bin/analyzer.aot.2 --arguments="/tmp/extracted_compile_dart_compile/"
Will now run 10 iterations with 2 snapshots.
..............................
Comparing snapshot #1 (analyzer.aot.1) with snapshot #2 (analyzer.aot.2)
msec task-clock:u: -7.7915% +/- 1.2399% (-851.98 +/- 135.58) (10934.74 -> 10082.76)
page-faults:u: -1.7454% +/- 1.1131% (-2457.20 +/- 1566.98) (140777.80 -> 138320.60)
cycles:u: -5.6010% +/- 1.2559% (-2318118149.50 +/- 519783195.96) (41387425609.80 -> 39069307460.30)
instructions:u: -7.0130% +/- 0.5970% (-3636754009.20 +/- 309595118.25) (51857207312.90 -> 48220453303.70)
branch-misses:u: -6.2869% +/- 4.5941% (-9795625.90 +/- 7158088.69) (155810738.90 -> 146015113.00)
seconds time elapsed: -7.7884% +/- 1.2389% (-0.85 +/- 0.14) (10.94 -> 10.09)
seconds user: -6.0176% +/- 1.4855% (-0.59 +/- 0.14) (9.75 -> 9.16)
seconds sys: -22.3326% +/- 4.4197% (-0.27 +/- 0.05) (1.19 -> 0.92)
Comparing GC:
No change in combined time.
```
Change-Id: Ibb34829a42770c22567bc1399bcf7eaf26201e99
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/449121
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>