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AKwUvByCMQZtJFQbv6qixloguWxTTkexVK+MSkxYCNe1p6oXnzCl6z76jDgFR4ejoG5fXdCAftAlSamOh4/oKPs=@vger.kernel.org X-Gm-Message-State: APuU4Z+BFkJImFN6M/egVmaqHextHipmdez/ZhKUZDODDKB/cbDHIh42 gz55cHIGAHltfxW24zQpYPjtJoTWaNZta8FKBulWqYO05F7gx2Z6DLTFG563u1kJ/D916d1e8S+ +wntU4KrFIg== X-Received: from dybgh19.prod.google.com ([2002:a05:7301:13:b0:35c:794:f74]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:693c:65d6:b0:368:72f0:353a with SMTP id 5a478bee46e88-36a42431e17mr22614402eec.38.1793854124717; Wed, 04 Nov 2026 20:48:44 -0800 (PST) Date: Wed, 4 Nov 2026 20:48:41 -0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list Mime-Version: 1.0 X-Mailer: git-send-email 2.56.0.455.g6c5a503b38-goog Message-ID: <20261105044841.102295-1-irogers@google.com> Subject: [PATCH v1] perf jevents: Don't encode MSRs with no value From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Jiri Olsa , Ian Rogers , Adrian Hunter , James Clark , Dapeng Mi , Edward Baker , Thomas Falcon , Perry Taylor , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: kernel test robot Content-Type: text/plain; charset="UTF-8" Fixes the events mem_trans_retired.load_latency (EMR) and mem_inst_retired.latency_above_threshold_0 (NHM, WSM) that were having their ldlat= value encoded as python's None. Fixes: ffc606ada3d7 ("perf jevents: Add python converter script") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-lkp/202611050801.67bb4af4-lkp@intel.com Signed-off-by: Ian Rogers --- tools/perf/pmu-events/jevents.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py index 080e04b51b8c..e083f7495e67 100755 --- a/tools/perf/pmu-events/jevents.py +++ b/tools/perf/pmu-events/jevents.py @@ -396,7 +396,7 @@ class JsonEvent: event += f',{value}{canonicalize_value(jd[key])}' if filter: event += f',{filter}' - if msr: + if msr and msrval: event += f',{msr}{msrval}' if self.desc and extra_desc: self.desc += extra_desc -- 2.56.0.455.g6c5a503b38-goog