[PATCH 0/5] perf: fixes and cleanups

Just for the sake of it I tried to `make perf` for the first time and it didn't work. What follows are some fixes and cleanups I found along the way.

One problem should have prevented this target to build since six months ago, I'm surprised nobody has seen it. Maybe more people should try `GIT_PERF_REPEAT_COUNT=1 make perf` just to make sure it builds.

Felipe Contreras (5):
  perf: sparse: remove grep --sparse option
  perf: grep: fix prereqs
  perf: grep: don't check PRCE twice
  perf: grep: avoid unused prereq
  perf: aggregate: check if subtest exists

 t/perf/aggregate.perl                  |  1 +
 t/perf/p2000-sparse-operations.sh      |  2 +-
 t/perf/p4220-log-grep-engines.sh       |  2 +-
 t/perf/p4221-log-grep-engines-fixed.sh |  2 +-
 t/perf/p7820-grep-engines.sh           | 11 +++--------
 t/perf/p7821-grep-engines-fixed.sh     | 15 +++++----------
 t/perf/p7822-grep-perl-character.sh    |  7 +------
 7 files changed, 13 insertions(+), 27 deletions(-)