[tip:perf/core] perf stat: Add support to print counts after a period of time

Commit-ID: f1f8ad52f8bf1239282737a2a5c3bd450300cc78 Gitweb: https://git.kernel.org/tip/f1f8ad52f8bf1239282737a2a5c3bd450300cc78 Author: yuzhoujian AuthorDate: Mon, 29 Jan 2018 10:25:23 +0100 Committer: Arnaldo Carvalho de Melo CommitDate:

[tip:perf/core] perf stat: Add support to print counts after a period of time

Commit-ID: f1f8ad52f8bf1239282737a2a5c3bd450300cc78 Gitweb: https://git.kernel.org/tip/f1f8ad52f8bf1239282737a2a5c3bd450300cc78 Author: yuzhoujian AuthorDate: Mon, 29 Jan 2018 10:25:23 +0100 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 16 Feb 2018 10:18:06 -0300 perf stat: Add