From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 79E443E49D2 for ; Fri, 2 Oct 2026 16:38:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790959132; cv=none; b=t9ReoYQLUQlOmqdUhd3v74qmaZUkTepso20h+UXNTtppAy3YyGAC8yUX4HKah85TiyCnYBcI0d8DJkMYSFqTegBq+m82d5gykIyPv88/fhn+IoCI59/Uj0YRhK0S7cwcdQaLN9z0jNnJiehZD35Cx8XI6L0ek/8EwTHkVqbcFd8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790959132; c=relaxed/simple; bh=9No86Q/EoD6DqTlvKzNVCMnr5bckUCGKftXvO+mgS3s=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:content-type; b=JfjUbvKbx7j0+vXXym2TKx3DzDQA8ce1oG+8jhJmjJuUqYOYnuOMm1yEqZ6dWj+mDoSz3wAKRQdT0L1+A0iBV6vEpRblhHKkKAq0Z4j8y2MIO0y6tWosq32RaUm7vAt3sHqv8lz5vwsaHdczIb+TT6fM0MYyzxUyiiuUA9jWGK4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=VK4JjoDX; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VK4JjoDX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1790959129; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=VoBn/EcwwjiTLNGiwDYqt+D4uMPJqPchOJxh3hBQgk0=; b=VK4JjoDXxO0WY6wf1GIWKm9Ejq5N9kEAoxx9WOIp2weiC3U9Jikg7sauIPMukf+oS1JKt7 ER15fNe5KPRJ9dohBLKG/CeO3eGoadjrbT0cti3osLak1O1nRiH1jkima6sdt3ziQEEIxD aAma0w884Eq378jyfj7sbW+yVU1rZdM= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-574-8E69i-PfO3KSfTx5CYfZkg-1; Fri, 02 Oct 2026 12:38:48 -0400 X-MC-Unique: 8E69i-PfO3KSfTx5CYfZkg-1 X-Mimecast-MFC-AGG-ID: 8E69i-PfO3KSfTx5CYfZkg_1790959127 Received: from mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.95]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EFFF91800BE2; Fri, 2 Oct 2026 16:38:46 +0000 (UTC) Received: from tglozar-thinkpadt14gen5.tpbc.csb (headnet04.pony-001.prod.iad2.dc.redhat.com [10.2.32.116]) by mx-prod-int-10.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 2035C433; Fri, 2 Oct 2026 16:38:44 +0000 (UTC) From: Tomas Glozar To: Steven Rostedt Cc: Crystal Wood , Valentin Schneider , LKML , linux-trace-kernel , Tomas Glozar Subject: [GIT PULL] RTLA changes for 7.4 Date: Fri, 2 Oct 2026 18:37:57 +0200 Message-ID: <20261002163757.3078413-1-tglozar@redhat.com> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.6 on 10.30.177.95 X-Mimecast-MFC-PROC-ID: gXYAASe02_4Li_GdsquK8afTx0RguFmk6sOEYpGWRgM_1790959127 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Steven, The following changes since commit 93f51579e7df248780214094418f205253383cc5: Linux 7.3-rc4 (2026-09-20 13:48:15 -0700) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/tglozar/linux.git tags/rtla-v7.4 for you to fetch changes up to 5ddc4497508a628b6c18653a0d5208edc6228aaf: rtla: Simplify osnoise tracer option setting code (2026-09-30 13:26:57 +0200) ---------------------------------------------------------------- RTLA patches for 7.4 - Test actions in absence of threshold Cover the case which regressed in the past in tests. - More robust CPU count detection Parse /sys/devices/system/cpu/possible directly instead of going through libc for CPU count and sanity check against any mismatch with the number reported by tracefs / osnoise. - Add option to record IPI count in osnoise top In addition to counting IRQs, add an option to enable counting IPIs targetting the measurement CPU to the rtla-osnoise-top tool. - Improve runtime test usability Catch up with increased complexity of runtime tests with better defaults and more options available to the developer running the tests. - Simplify osnoise tracer option setting code Deduplicate osnoise tracer option setting code with macros to make it less error-prone and to make it easier to add new tracer options in the future. Signed-off-by: Tomas Glozar ---------------------------------------------------------------- Crystal Wood (3): rtla/tests: Use absolute path for $RTLA rtla/tests: Show the command line for failing tests rtla/tests: Add $SUBTESTS and $STOPONFAIL Tomas Glozar (7): rtla/tests: Test actions in absence of threshold rtla: Replace get_nprocs_conf() with sysfs possible cpus rtla: Discard trace entries with cpu >= nr_cpus rtla: Abort on nr_cpus mismatch with tracer rtla/tests: Add unit test for cpu_list_iterate() rtla/tests: Add unit test for get_max_cpu_from_list() rtla: Simplify osnoise tracer option setting code Valentin Schneider (8): rtla/osnoise: Add IPI tracking cmdline option rtla/osnoise: Record IPI count in osnoise top rtla/osnoise: Leverage IPI event filters when tracing a subset of CPUs rtla/osnoise: Allow IPI filters to gracefully fail rtla: Make struct trace_events double linked rtla: Enable and disable events in the user-defined order rtla: Unconditionally clean any pre-existing filters for user-provided events rtla/osnoise: Trace IPI events when recording a trace file Documentation/tools/rtla/common_options.txt | 9 +- Documentation/tools/rtla/rtla-osnoise-top.rst | 4 + tools/tracing/rtla/src/cli.c | 1 + tools/tracing/rtla/src/cli_p.h | 7 +- tools/tracing/rtla/src/common.c | 31 +- tools/tracing/rtla/src/common.h | 102 +- tools/tracing/rtla/src/osnoise.c | 1291 ++++++++++--------------- tools/tracing/rtla/src/osnoise.h | 38 +- tools/tracing/rtla/src/osnoise_hist.c | 1 + tools/tracing/rtla/src/osnoise_top.c | 156 ++- tools/tracing/rtla/src/timerlat_hist.c | 1 + tools/tracing/rtla/src/timerlat_top.c | 1 + tools/tracing/rtla/src/trace.c | 35 +- tools/tracing/rtla/src/trace.h | 2 + tools/tracing/rtla/src/utils.c | 181 +++- tools/tracing/rtla/src/utils.h | 6 + tools/tracing/rtla/tests/engine.sh | 23 +- tools/tracing/rtla/tests/osnoise.t | 2 + tools/tracing/rtla/tests/timerlat.t | 2 + tools/tracing/rtla/tests/unit/utils.c | 71 ++ 20 files changed, 1049 insertions(+), 915 deletions(-)