[gegl] perf: add purge target, that removes unused prefixes

[Øyvind Kolås <ok src gnome org>]

commit f566e5e5ae396e6bf0055b656faacd5b3a4d796b
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Jan 12 01:06:00 2018 +0100

    perf: add purge target, that removes unused prefixes

 perf/Makefile-retrospect |    2 ++
 perf/joblist             |    6 ++++++
 2 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/perf/Makefile-retrospect b/perf/Makefile-retrospect
index 9ce3a93..2276d3a 100644
--- a/perf/Makefile-retrospect
+++ b/perf/Makefile-retrospect
@@ -63,6 +63,8 @@ reports/%:
        # update report.pdf / report.png
        ./create-report.rb
        echo
+purge:
+       (cd prefixes; for a in *;do grep $$a ../jobs || rm -rf $$a;done )
 
 clean:
        rm -rf reports jobs report.pdf report.png checkout install
diff --git a/perf/joblist b/perf/joblist
index 5837405..4ce5e04 100644
--- a/perf/joblist
+++ b/perf/joblist
@@ -7,6 +7,12 @@ master~10..master
 f606e8f
 # make shape and offset of sampler prefetch adaptive
 
+a39bb62963077fca9d805af0dbac458b08155825
+
+12375b0158e542752113fcaa0436475c37e143ab
+
+6956b23f328c52a1a3be3468f17ed3ae9ae90a76
+
 e7f98682b9bddc7f7236fabe4cbc77e701510aa4