The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 60d804521ec4cd01217a96f33cd1bb29e295333d Mon Sep 17 00:00:00 2001
From: Kim Phillips <kim.phillips@xxxxxxx>
Date: Tue, 1 Sep 2020 17:09:41 -0500
Subject: [PATCH] perf vendor events amd: Add L2 Prefetch events for zen1
MIME-Version: 1.0
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Later revisions of PPRs that post-date the original Family 17h events
submission patch add these events.
Specifically, they were not in this 2017 revision of the F17h PPR:
Processor Programming Reference (PPR) for AMD Family 17h Model 01h, Revision B1 Processors Rev 1.14 - April 15, 2017
But e.g., are included in this 2019 version of the PPR:
Processor Programming Reference (PPR) for AMD Family 17h Model 18h, Revision B1 Processors Rev. 3.14 - Sep 26, 2019
Fixes: 98c07a8f74f8 ("perf vendor events amd: perf PMU events for AMD Family 17h")
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206537
Signed-off-by: Kim Phillips <kim.phillips@xxxxxxx>
Reviewed-by: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: John Garry <john.garry@xxxxxxxxxx>
Cc: Jon Grimm <jon.grimm@xxxxxxx>
Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Martin Jambor <mjambor@xxxxxxx>
Cc: Martin Liška <mliska@xxxxxxx>
Cc: Michael Petlan <mpetlan@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Cc: Vijay Thakkar <vijaythakkar@xxxxxx>
Cc: William Cohen <wcohen@xxxxxxxxxx>
Cc: Yunfeng Ye <yeyunfeng@xxxxxxxxxx>
Link: http://lore.kernel.org/lkml/20200901220944.277505-1-kim.phillips@xxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
diff --git a/tools/perf/pmu-events/arch/x86/amdzen1/cache.json b/tools/perf/pmu-events/arch/x86/amdzen1/cache.json
index 404d4c569c01..695ed3ffa3a6 100644
--- a/tools/perf/pmu-events/arch/x86/amdzen1/cache.json
+++ b/tools/perf/pmu-events/arch/x86/amdzen1/cache.json
@@ -249,6 +249,24 @@
"BriefDescription": "Cycles with fill pending from L2. Total cycles spent with one or more fill requests in flight from L2.",
"UMask": "0x1"
},
+ {
+ "EventName": "l2_pf_hit_l2",
+ "EventCode": "0x70",
+ "BriefDescription": "L2 prefetch hit in L2.",
+ "UMask": "0xff"
+ },
+ {
+ "EventName": "l2_pf_miss_l2_hit_l3",
+ "EventCode": "0x71",
+ "BriefDescription": "L2 prefetcher hits in L3. Counts all L2 prefetches accepted by the L2 pipeline which miss the L2 cache and hit the L3.",
+ "UMask": "0xff"
+ },
+ {
+ "EventName": "l2_pf_miss_l2_l3",
+ "EventCode": "0x72",
+ "BriefDescription": "L2 prefetcher misses in L3. All L2 prefetches accepted by the L2 pipeline which miss the L2 and the L3 caches.",
+ "UMask": "0xff"
+ },
{
"EventName": "l3_request_g1.caching_l3_cache_accesses",
"EventCode": "0x01",
