From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-dl1-f74.google.com (mail-dl1-f74.google.com [74.125.82.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C35D372B48 for ; Tue, 28 Apr 2026 07:03:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.82.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777359822; cv=none; b=u6cSzQnJbE+guYnYvko8q5Jkl/R604BdsRfmLYD9Lz7uSCnVqgFyLtBAFunANHNrgA7MknGbo2+KGCGKptubhDgBG2AmuHNaqq8avlyoTjH62fUTjnzPgLbYK7l+e9PF4ydYZS5JCYIJT69wyqZnOKPEgu0F6e3Ab03ByoV02ek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777359822; c=relaxed/simple; bh=a3FHbULFSioPc1VUsnQY3aDXW836CZLfzHLuElorq08=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=nTBR0/f9Qe+QPvyzchhr9AtYqzZI0z5LSIYckw79JfCXuhUzQrd7oRAf2CyQv65vPaBtojIPAvgUhA3Fzg24NkfjWdrcFIH9sgp3FLXvOdmDHzq1cEEveqK/qPlqLI12EOCU/XQE1h9RbySjPftwYZwWM19eUPMyf6GFluFVCy8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=BO42Msx9; arc=none smtp.client-ip=74.125.82.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="BO42Msx9" Received: by mail-dl1-f74.google.com with SMTP id a92af1059eb24-12c91ef7009so33020389c88.1 for ; Tue, 28 Apr 2026 00:03:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1777359821; x=1777964621; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=kYF520iODnaUIO4hP9TXJ8u459DTej3831DGt2ZAOHA=; b=BO42Msx9gF2E99+/2m/cu5kmf9K8NtfXGz+adGGvmirWBRkgXXEmFEP+KYNyMpS/dM a4qOj2ZtrUDzpjiDxQkyTcjiZ6k1scbNziZwdp4Aa5Bex4316PJNXR0Gg4+9RsIFQbXY L7sp6CrYXr8T1JI8kYErXkyVp62pyzq4EH3LXDXW6ICV3+sBjSfZzHemcbKEBbjYwQSL 5jVoN99zl4lHLc7133mDW1QagmhbBXvqEZnoovbCAiEWUyO0ooyzJSp4GAdagkFfJzXE zdcGLuKXVMi6KnDuKogI6aarXOa4F2KUQvMkpUimpmYgKcyjEkoeYlccmaqDd8mk1DUs Rpew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777359821; x=1777964621; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=kYF520iODnaUIO4hP9TXJ8u459DTej3831DGt2ZAOHA=; b=mJEpOTckfE58/NvTajeKZ7XK/QbPvSF4iLHu4JT6u1/qEMeCrR5UTWgjBTX9/WNWmb CXHAF9t+w4B84fCyWrh+18GcpzoIls+czZSyyzqK2qUUCycJPXfeBgCWBE+jiSIzjTPr ege0dN6MLFYDnzRUBpPetcxv2Z39SsQjCxNV8BYbTEi2DZQSKj9UtWIa+yW9OIV8fRo2 29sGQEyBlsX+9a7QUfR1TH78w4soX6m5FubysOROBkqiy6NvzD9a/Vqrqcwg9bSwixxG veBJkzttm8lyOPHBajx2cRU1cYqQcZDr8PlmxjBQBLKe15eLD5QfFwwWLUMin5i93pVa 5IPQ== X-Forwarded-Encrypted: i=1; AFNElJ9gJTTq29BvTM9ghhMQbYoQIaqrujvsmVHKmuBBEZNcfJOZzam/ZLjHctr5GqOfdkSRipuZVXOYEbwtnUbJqGz/@vger.kernel.org X-Gm-Message-State: AOJu0YzSJ4UPgb/FLxaf76u7M4ZXo91ok31Ve2QPD+ALlhte+dT0pfGZ JxtAjvjeEgULriDkZpyRfQaMohef69hhAj0QQOfpjLfhYwjErRKYH6iudSbPUruL1Dx38JoBuMB S23MCCPVR6A== X-Received: from dlbut2.prod.google.com ([2002:a05:7022:7e02:b0:12c:8ccc:748c]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:3d14:b0:12a:9b80:8a1b with SMTP id a92af1059eb24-12ddd9b1c95mr1032415c88.34.1777359820560; Tue, 28 Apr 2026 00:03:40 -0700 (PDT) Date: Tue, 28 Apr 2026 00:03:26 -0700 Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.54.0.545.g6539524ca2-goog Message-ID: <20260428070328.1880314-1-irogers@google.com> Subject: [PATCH v1 0/2] perf inject intel-PT LBR/brstack synthesis fixes From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Adrian Hunter , James Clark , Leo Yan , Ravi Bangoria , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, thomas.falcon@intel.com, dapeng1.mi@linux.intel.com Cc: Ian Rogers Content-Type: text/plain; charset="UTF-8" An intel-pt trace can be turned into LBR events either in perf script or perf inject with the --itrace=L option. With perf inject the generated perf.data file failed to be parsed as the sample events were out of sync with their perf_event_attr. A range of fixes were required. This patch was separated from a large perf script refactor that highlighted the breakage: https://lore.kernel.org/lkml/20260425224951.174663-1-irogers@google.com/ Ian Rogers (2): perf event: Fix size of synthesized sample with branch stacks perf inject: Fix itrace branch stack synthesis tools/perf/bench/inject-buildid.c | 9 ++-- tools/perf/builtin-inject.c | 83 ++++++++++++++++++++++++++++-- tools/perf/tests/dlfilter-test.c | 8 ++- tools/perf/tests/sample-parsing.c | 5 +- tools/perf/util/arm-spe.c | 7 ++- tools/perf/util/cs-etm.c | 6 ++- tools/perf/util/intel-bts.c | 3 +- tools/perf/util/intel-pt.c | 13 +++-- tools/perf/util/synthetic-events.c | 25 ++++++--- tools/perf/util/synthetic-events.h | 6 ++- 10 files changed, 135 insertions(+), 30 deletions(-) -- 2.54.0.545.g6539524ca2-goog