AMD Zen4 Bergamo CPU support in libpfm
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bcb52090f02bc7bcb5ac066494cd55bbd5084e65 libpfm-4.13.0.tar.gz
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commit 1befa3d200cc17d5a278fcb2f597c4876c58f949
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Author: Stephane Eranian <eranian@gmail.com>
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Date: Tue Apr 25 00:35:41 2023 -0700
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fix AMD Zen3/Zen4 detection
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To cover more models of Zen4.
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Signed-off-by: Stephane Eranian <eranian@gmail.com>
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diff --git a/lib/pfmlib_amd64.c b/lib/pfmlib_amd64.c
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index e51a43d..0c6702d 100644
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--- a/lib/pfmlib_amd64.c
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+++ b/lib/pfmlib_amd64.c
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@@ -181,10 +181,10 @@ amd64_get_revision(pfm_amd64_config_t *cfg)
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} else if (cfg->family == 22) { /* family 16h */
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rev = PFM_PMU_AMD64_FAM16H;
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} else if (cfg->family == 25) { /* family 19h */
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- if (cfg->model <= 0x0f || (cfg->model >= 0x20 && cfg->model <= 0x5f)) {
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- rev = PFM_PMU_AMD64_FAM19H_ZEN3;
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- } else if (cfg->model == 17) {
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- rev = PFM_PMU_AMD64_FAM19H_ZEN4;
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+ if (cfg->model >= 0x60 || (cfg->model >= 0x10 && cfg->model <= 0x1f)) {
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+ rev = PFM_PMU_AMD64_FAM19H_ZEN4;
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+ } else {
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+ rev = PFM_PMU_AMD64_FAM19H_ZEN3;
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}
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}
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@ -12,7 +12,7 @@
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Name: libpfm
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Version: 4.13.0
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Release: 3%{?dist}
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Release: 4%{?dist}
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Summary: Library to encode performance events for use by perf tool
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@ -21,6 +21,7 @@ URL: http://perfmon2.sourceforge.net/
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Source0: http://sourceforge.net/projects/perfmon2/files/libpfm4/%{name}-%{version}.tar.gz
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Patch2: libpfm-python3-setup.patch
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Patch3: libpfm-initp.patch
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Patch4: libpfm-zen4.patch
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BuildRequires: make
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BuildRequires: gcc
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@ -73,6 +74,7 @@ Python bindings for libpfm4 and perf_event_open system call.
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%setup -q
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%patch2 -p1 -b .python3
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%patch3 -p1 -b .test
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%patch4 -p1 -b .zen4
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%build
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%if %{with python}
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@ -126,6 +128,9 @@ rm $RPM_BUILD_ROOT%{_libdir}/lib*.a
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%endif
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%changelog
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* Mon Jun 12 2023 William cohen <wcohen@redhat.com> - 4.13.0-4
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- Identify AMD Bergamo processors.
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* Wed May 3 2023 William cohen <wcohen@redhat.com> - 4.13.0-3
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- Rebuild for rhbz #2186927.
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