[tip:perf/core] perf ordered_events: Add first_time() method

Commit-ID: 83356b3d124af5ae472ce1358222f6b7749d2322 Gitweb: https://git.kernel.org/tip/83356b3d124af5ae472ce1358222f6b7749d2322 Author: Jiri Olsa AuthorDate: Thu, 6 Dec 2018 14:38:52 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 17 Dec 2018 15:02:17 -0300 perf

[tip:perf/core] perf ordered_events: Add first_time() method

Commit-ID: 5a0cb2ffce065d738d90c0bf372a79ddc961c9ff Gitweb: https://git.kernel.org/tip/5a0cb2ffce065d738d90c0bf372a79ddc961c9ff Author: Jiri Olsa AuthorDate: Thu, 6 Dec 2018 14:38:52 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 6 Dec 2018 16:43:28 -0300 perf