[kvm-unit-tests PATCH v3 00/13] x86/pmu: Test case optimization, fixes and additions

[Like Xu <like.xu.linux@gmail.com>]

v2 -> v3 Changelog:
- Add new testcases to cover Intel Arch PMU Version 1;
- Add new testcases to cover AMD PMU (Before Zen4);
- Fix multiple_many() in the patch 2/5;
- Move check_emulated_instr() into check_counters();
- Fix some report_prefix issues;
- Add PDCM check before accessing PERF_CAP register;
- Fix testing Intel LBR on AMD;

v2: https://lore.kernel.org/kvm/20220816080909.90622-1-likexu@tencent.com/
v1 -> v2 Changelog:
- Introduce __start_event() and multiple_many() for readability; (Sean)
- Move PEBS testcases to this patch set for easier tracking;
- Create vPMU testcase group as more related tests are coming;

Like Xu (13):
  x86/pmu: Introduce __start_event() to drop all of the manual zeroing
  x86/pmu: Introduce multiple_{one, many}() to improve readability
  x86/pmu: Reset the expected count of the fixed counter 0 when i386
  x86/pmu: Add tests for Intel Processor Event Based Sampling (PEBS)
  x86: create pmu group for quick pmu-scope testing
  x86/pmu: Test emulation instructions on full-width counters
  x86/pmu: Pop up FW prefix to avoid out-of-context propagation
  x86/pmu: Add PDCM check before accessing PERF_CAP register.
  x86/pmu: Report SKIP when testing Intel LBR on AMD platforms
  x86/pmu: Update testcases to cover Intel Arch PMU Version 1
  x86/pmu: Report SKIP when testing PMU on AMD platforms
  x86/pmu: Add assignment framework for Intel-specific HW resources
  x86/pmu: Update testcases to cover AMD PMU

 lib/x86/msr.h       |  18 ++
 lib/x86/processor.h |  32 ++-
 x86/Makefile.x86_64 |   1 +
 x86/pmu.c           | 304 ++++++++++++++++++---------
 x86/pmu_lbr.c       |   2 +-
 x86/pmu_pebs.c      | 486 ++++++++++++++++++++++++++++++++++++++++++++
 x86/unittests.cfg   |  10 +
 7 files changed, 758 insertions(+), 95 deletions(-)
 create mode 100644 x86/pmu_pebs.c

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2.37.2