Merge tag 'perf-tools-fixes-for-v6.5-2-2023-08-03' of...

Merge tag 'perf-tools-fixes-for-v6.5-2-2023-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix segfault in the powerpc specific arch_skip_callchain_idx
   function. The patch doing the reference count init/exit that went
   into 6.5 missed this function.

 - Fix regression reading the arm64 PMU cpu slots in sysfs, a patch
   removing some code duplication ended up duplicating the /sysfs prefix
   for these files.

 - Fix grouping of events related to topdown, addressing a regression on
   the CSV output produced by 'perf stat' noticed on the downstream tool
   toplev.

 - Fix the uprobe_from_different_cu 'perf test' entry, it is failing
   when gcc isn't available, so we need to check that and skip the test
   if it is not installed.

* tag 'perf-tools-fixes-for-v6.5-2-2023-08-03' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  perf test parse-events: Test complex name has required event format
  perf pmus: Create placholder regardless of scanning core_only
  perf test uprobe_from_different_cu: Skip if there is no gcc
  perf parse-events: Only move force grouped evsels when sorting
  perf parse-events: When fixing group leaders always set the leader
  perf parse-events: Extra care around force grouped events
  perf callchain powerpc: Fix addr location init during arch_skip_callchain_idx function
  perf pmu arm64: Fix reading the PMU cpu slots in sysfs