From nobody Thu Dec 18 15:08:27 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 0159E267F4F; Wed, 23 Apr 2025 06:50:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745391046; cv=none; b=LLDbmGnrA631AxKJS+vJgRW0ejdrRQbgVbaAht7S03/5I7+kinwr4FPaLEOpJtMWnyEeSyC8lkLbuFYnaOJlSiSKVQ6UrZkuT6wsF/DlPDRfUpaQoB9snRCDiY7P7MkJK+vST/5nGBSPANwCQaGP67TLwhE21X8be7YAarVAK6s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745391046; c=relaxed/simple; bh=dHEMZ6Js5g9wt8CSMqCoeHgagN7udK4grgQ2f4hzzcQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=g2+oUek48VG5POztg0FRYv6VaOEWaJ32OfvlhJk8RrB1OeUQ2uxSS6RfGfuR1DeiJCfNXx6A/qu5t3tVQNku4faN3xOOCm/o/YI2ZzXWOp56bV5Ngfzy/O6oal46JHG8/swyAz4WjNuAX1AYUbXlHD/DxXfFy2nGKOFZLLIhDiU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=UrAuoBDG; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=Inifut8P; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="UrAuoBDG"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Inifut8P" From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1745391039; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+kn6HYtm+IWANZ1Eagm2N6HJ9e0cJKGSCEvviV39y50=; b=UrAuoBDG8O6l7K7UDf66GEeVcJCjmw3kdQcb6bH9nytEyIdtb1eGEw1eq2LDqLyI5o3c9q RCMwSO7HMexJ+TzihGYJ+I2J2ZNjwMEZg8M8sLaj1wWNLE5/OXaqoTO9hBz7hlbF7YivZ+ qD1DSaH+RdwGKTyWN5YpvX81/4/yEDtcnImK3zsxxEAL0+LcDwYaC0ykQisKui+VT7a9Jl xn7vf7Rjr0tR9cv3Wq5+763UEG9JF3JCMJx4ewhr67/AdhQkrm1iwdFrviWzzjFz45a2Cy TY+1/IyEIHNIQwvW4LGk777M995WmmCBAujLKEoD+JzeLwA/YIVpExRYXbkDig== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1745391039; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+kn6HYtm+IWANZ1Eagm2N6HJ9e0cJKGSCEvviV39y50=; b=Inifut8PfbOZrI0mwIWXs4L+7yHqJFtLmnpQgNJwWYgbUo/wetHAhm3YxxYH5UpDPbk9BM Zih60vyccWYGaPAQ== To: Steven Rostedt , Gabriele Monaco , linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: john.ogness@linutronix.de, Nam Cao Subject: [PATCH v4 14/22] rv: Add rtapp container monitor Date: Wed, 23 Apr 2025 08:50:09 +0200 Message-Id: <4c1256e8b482ee4d40742e1304f09c2f8da253bd.1745390829.git.namcao@linutronix.de> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the container "rtapp" which is the monitor collection for detecting problems with real-time applications. The monitors will be added in the follow-up commits. Reviewed-by: Gabriele Monaco Signed-off-by: Nam Cao --- kernel/trace/rv/Kconfig | 1 + kernel/trace/rv/Makefile | 1 + kernel/trace/rv/monitors/rtapp/Kconfig | 6 +++++ kernel/trace/rv/monitors/rtapp/rtapp.c | 33 ++++++++++++++++++++++++++ kernel/trace/rv/monitors/rtapp/rtapp.h | 3 +++ 5 files changed, 44 insertions(+) create mode 100644 kernel/trace/rv/monitors/rtapp/Kconfig create mode 100644 kernel/trace/rv/monitors/rtapp/rtapp.c create mode 100644 kernel/trace/rv/monitors/rtapp/rtapp.h diff --git a/kernel/trace/rv/Kconfig b/kernel/trace/rv/Kconfig index 6e157f964991..5c407d291661 100644 --- a/kernel/trace/rv/Kconfig +++ b/kernel/trace/rv/Kconfig @@ -41,6 +41,7 @@ source "kernel/trace/rv/monitors/snroc/Kconfig" source "kernel/trace/rv/monitors/scpd/Kconfig" source "kernel/trace/rv/monitors/snep/Kconfig" source "kernel/trace/rv/monitors/sncid/Kconfig" +source "kernel/trace/rv/monitors/rtapp/Kconfig" # Add new monitors here =20 config RV_REACTORS diff --git a/kernel/trace/rv/Makefile b/kernel/trace/rv/Makefile index f9b2cd0483c3..9b28c2419995 100644 --- a/kernel/trace/rv/Makefile +++ b/kernel/trace/rv/Makefile @@ -12,6 +12,7 @@ obj-$(CONFIG_RV_MON_SNROC) +=3D monitors/snroc/snroc.o obj-$(CONFIG_RV_MON_SCPD) +=3D monitors/scpd/scpd.o obj-$(CONFIG_RV_MON_SNEP) +=3D monitors/snep/snep.o obj-$(CONFIG_RV_MON_SNCID) +=3D monitors/sncid/sncid.o +obj-$(CONFIG_RV_MON_RTAPP) +=3D monitors/rtapp/rtapp.o # Add new monitors here obj-$(CONFIG_RV_REACTORS) +=3D rv_reactors.o obj-$(CONFIG_RV_REACT_PRINTK) +=3D reactor_printk.o diff --git a/kernel/trace/rv/monitors/rtapp/Kconfig b/kernel/trace/rv/monit= ors/rtapp/Kconfig new file mode 100644 index 000000000000..94689d66a79c --- /dev/null +++ b/kernel/trace/rv/monitors/rtapp/Kconfig @@ -0,0 +1,6 @@ +config RV_MON_RTAPP + depends on RV + bool "rtapp monitor" + help + Collection of monitors to check for common problems with real-time appl= ication that cause + unexpected latency. diff --git a/kernel/trace/rv/monitors/rtapp/rtapp.c b/kernel/trace/rv/monit= ors/rtapp/rtapp.c new file mode 100644 index 000000000000..fd75fc927d65 --- /dev/null +++ b/kernel/trace/rv/monitors/rtapp/rtapp.c @@ -0,0 +1,33 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include +#include +#include + +#define MODULE_NAME "rtapp" + +#include "rtapp.h" + +struct rv_monitor rv_rtapp; + +struct rv_monitor rv_rtapp =3D { + .name =3D "rtapp", + .description =3D "Collection of monitors for detecting problems with real= -time applications", +}; + +static int __init register_rtapp(void) +{ + return rv_register_monitor(&rv_rtapp, NULL); +} + +static void __exit unregister_rtapp(void) +{ + rv_unregister_monitor(&rv_rtapp); +} + +module_init(register_rtapp); +module_exit(unregister_rtapp); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Nam Cao "); +MODULE_DESCRIPTION("Collection of monitors for detecting problems with rea= l-time applications"); diff --git a/kernel/trace/rv/monitors/rtapp/rtapp.h b/kernel/trace/rv/monit= ors/rtapp/rtapp.h new file mode 100644 index 000000000000..4c200d67c7f6 --- /dev/null +++ b/kernel/trace/rv/monitors/rtapp/rtapp.h @@ -0,0 +1,3 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +extern struct rv_monitor rv_rtapp; --=20 2.39.5