Date: Fri, 27 Feb 2026 22:08:48 +0000 From: Warner Losh <imp@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Cc: Ali Mashtizadeh <mashti@uwaterloo.ca> Subject: git: 3ce3e896acf6 - main - libpmc: Update event definitions for AMD Zen Message-ID: <69a215f0.3423b.3bc7cd10@gitrepo.freebsd.org>
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The branch main has been updated by imp: URL: https://cgit.FreeBSD.org/src/commit/?id=3ce3e896acf6cd504514ee44fc3aedcdc48a199c commit 3ce3e896acf6cd504514ee44fc3aedcdc48a199c Author: Ali Mashtizadeh <mashti@uwaterloo.ca> AuthorDate: 2026-02-24 15:36:03 +0000 Commit: Warner Losh <imp@FreeBSD.org> CommitDate: 2026-02-27 21:26:34 +0000 libpmc: Update event definitions for AMD Zen The pmu event definitions for AMD Zen 5 was updated since it was imported into the tree. As a bonus I also updated the recommended json counters for Zen 1-3 even though we do not use that file yet. Sponsored by: Netflix Reviewed by: imp Pull Request: https://github.com/freebsd/freebsd-src/pull/2048 --- lib/libpmc/pmu-events/arch/x86/amdzen1/recommended.json | 3 ++- lib/libpmc/pmu-events/arch/x86/amdzen2/recommended.json | 3 ++- lib/libpmc/pmu-events/arch/x86/amdzen3/recommended.json | 3 ++- lib/libpmc/pmu-events/arch/x86/amdzen5/load-store.json | 6 +++--- 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/lib/libpmc/pmu-events/arch/x86/amdzen1/recommended.json b/lib/libpmc/pmu-events/arch/x86/amdzen1/recommended.json index bf5083c1c260..4d28177325a0 100644 --- a/lib/libpmc/pmu-events/arch/x86/amdzen1/recommended.json +++ b/lib/libpmc/pmu-events/arch/x86/amdzen1/recommended.json @@ -169,8 +169,9 @@ }, { "MetricName": "nps1_die_to_dram", - "BriefDescription": "Approximate: Combined DRAM B/bytes of all channels on a NPS1 node (die) (may need --metric-no-group)", + "BriefDescription": "Approximate: Combined DRAM B/bytes of all channels on a NPS1 node (die)", "MetricExpr": "dram_channel_data_controller_0 + dram_channel_data_controller_1 + dram_channel_data_controller_2 + dram_channel_data_controller_3 + dram_channel_data_controller_4 + dram_channel_data_controller_5 + dram_channel_data_controller_6 + dram_channel_data_controller_7", + "MetricConstraint": "NO_GROUP_EVENTS", "MetricGroup": "data_fabric", "PerPkg": "1", "ScaleUnit": "6.1e-5MiB" diff --git a/lib/libpmc/pmu-events/arch/x86/amdzen2/recommended.json b/lib/libpmc/pmu-events/arch/x86/amdzen2/recommended.json index a71694a043ba..60e19456d4c8 100644 --- a/lib/libpmc/pmu-events/arch/x86/amdzen2/recommended.json +++ b/lib/libpmc/pmu-events/arch/x86/amdzen2/recommended.json @@ -169,8 +169,9 @@ }, { "MetricName": "nps1_die_to_dram", - "BriefDescription": "Approximate: Combined DRAM B/bytes of all channels on a NPS1 node (die) (may need --metric-no-group)", + "BriefDescription": "Approximate: Combined DRAM B/bytes of all channels on a NPS1 node (die)", "MetricExpr": "dram_channel_data_controller_0 + dram_channel_data_controller_1 + dram_channel_data_controller_2 + dram_channel_data_controller_3 + dram_channel_data_controller_4 + dram_channel_data_controller_5 + dram_channel_data_controller_6 + dram_channel_data_controller_7", + "MetricConstraint": "NO_GROUP_EVENTS", "MetricGroup": "data_fabric", "PerPkg": "1", "ScaleUnit": "6.1e-5MiB" diff --git a/lib/libpmc/pmu-events/arch/x86/amdzen3/recommended.json b/lib/libpmc/pmu-events/arch/x86/amdzen3/recommended.json index 988cf68ae825..3e9e1781812e 100644 --- a/lib/libpmc/pmu-events/arch/x86/amdzen3/recommended.json +++ b/lib/libpmc/pmu-events/arch/x86/amdzen3/recommended.json @@ -205,10 +205,11 @@ }, { "MetricName": "nps1_die_to_dram", - "BriefDescription": "Approximate: Combined DRAM B/bytes of all channels on a NPS1 node (die) (may need --metric-no-group)", + "BriefDescription": "Approximate: Combined DRAM B/bytes of all channels on a NPS1 node (die)", "MetricExpr": "dram_channel_data_controller_0 + dram_channel_data_controller_1 + dram_channel_data_controller_2 + dram_channel_data_controller_3 + dram_channel_data_controller_4 + dram_channel_data_controller_5 + dram_channel_data_controller_6 + dram_channel_data_controller_7", "MetricGroup": "data_fabric", "PerPkg": "1", + "MetricConstraint": "NO_GROUP_EVENTS", "ScaleUnit": "6.1e-5MiB" } ] diff --git a/lib/libpmc/pmu-events/arch/x86/amdzen5/load-store.json b/lib/libpmc/pmu-events/arch/x86/amdzen5/load-store.json index ff6627a77805..06bbaea15925 100644 --- a/lib/libpmc/pmu-events/arch/x86/amdzen5/load-store.json +++ b/lib/libpmc/pmu-events/arch/x86/amdzen5/load-store.json @@ -70,19 +70,19 @@ "EventName": "ls_mab_alloc.load_store_allocations", "EventCode": "0x41", "BriefDescription": "Miss Address Buffer (MAB) entries allocated by a Load-Store (LS) pipe for load-store allocations.", - "UMask": "0x3f" + "UMask": "0x07" }, { "EventName": "ls_mab_alloc.hardware_prefetcher_allocations", "EventCode": "0x41", "BriefDescription": "Miss Address Buffer (MAB) entries allocated by a Load-Store (LS) pipe for hardware prefetcher allocations.", - "UMask": "0x40" + "UMask": "0x08" }, { "EventName": "ls_mab_alloc.all_allocations", "EventCode": "0x41", "BriefDescription": "Miss Address Buffer (MAB) entries allocated by a Load-Store (LS) pipe for all types of allocations.", - "UMask": "0x7f" + "UMask": "0x0f" }, { "EventName": "ls_dmnd_fills_from_sys.local_l2",home | help
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