Messages in this thread Patch in this message | | | From | Chen Yu <> | Subject | [PATCH 1/2] tools/power/turbostat: Fix turbostat for AMD Zen CPUs | Date | Wed, 28 Apr 2021 17:09:03 +0800 |
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From: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
It was reported that on Zen+ system turbostat started exiting, which was tracked down to the MSR_PKG_ENERGY_STAT read failing because offset_to_idx wasn't returning a non-negative index.
This patch combined the modification from Bingsong Si and Bas Nieuwenhuizen and addd the MSR to the index system as alternative for MSR_PKG_ENERGY_STATUS.
Fixes: 9972d5d84d76 ("tools/power turbostat: Enable accumulate RAPL display") Reported-by: youling257 <youling257@gmail.com> Tested-by: youling257 <youling257@gmail.com> Tested-by: Kurt Garloff <kurt@garloff.de> Tested-by: Bingsong Si <owen.si@ucloud.cn> Tested-by: Artem S. Tashkinov <aros@gmx.com> Co-developed-by: Bingsong Si <owen.si@ucloud.cn> Co-developed-by: Terry Bowman <terry.bowman@amd.com> Reviewed-by: Chen Yu <yu.c.chen@intel.com> Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> --- tools/power/x86/turbostat/turbostat.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 5939615265f1..37759d6c463d 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -297,7 +297,10 @@ int idx_to_offset(int idx) switch (idx) { case IDX_PKG_ENERGY: - offset = MSR_PKG_ENERGY_STATUS; + if (do_rapl & RAPL_AMD_F17H) + offset = MSR_PKG_ENERGY_STAT; + else + offset = MSR_PKG_ENERGY_STATUS; break; case IDX_DRAM_ENERGY: offset = MSR_DRAM_ENERGY_STATUS; @@ -326,6 +329,7 @@ int offset_to_idx(int offset) switch (offset) { case MSR_PKG_ENERGY_STATUS: + case MSR_PKG_ENERGY_STAT: idx = IDX_PKG_ENERGY; break; case MSR_DRAM_ENERGY_STATUS: @@ -353,7 +357,7 @@ int idx_valid(int idx) { switch (idx) { case IDX_PKG_ENERGY: - return do_rapl & RAPL_PKG; + return do_rapl & (RAPL_PKG | RAPL_AMD_F17H); case IDX_DRAM_ENERGY: return do_rapl & RAPL_DRAM; case IDX_PP0_ENERGY: -- 2.25.1
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