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Subject[PATCH v3 0/2] Add arch TSC frequency information
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The first patch adds support for deriving from /proc/cpuinfo and adds
tests. The second patch from Kan Liang derives it from CPUID available
on newer Intel processors as discussed here:
https://lore.kernel.org/lkml/20220527040407.4193232-1-irogers@google.com/#t

v2. Adds warnings to make clear if things have changed/broken on future
Intel platforms. It also adds caching and an Intel specific that a
value is computed.

Ian Rogers (1):
perf metrics: Add literal for system TSC frequency

Kan Liang (1):
perf tsc: Add arch TSC frequency information

tools/perf/arch/x86/util/cpuid.h | 34 +++++++++++++++++
tools/perf/arch/x86/util/header.c | 27 ++++++--------
tools/perf/arch/x86/util/tsc.c | 33 ++++++++++++++++
tools/perf/tests/expr.c | 15 ++++++++
tools/perf/util/expr.c | 62 +++++++++++++++++++++++++++++++
tools/perf/util/tsc.h | 1 +
6 files changed, 156 insertions(+), 16 deletions(-)
create mode 100644 tools/perf/arch/x86/util/cpuid.h

--
2.37.0.170.g444d1eabd0-goog

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