From nobody Fri Dec 19 20:38:19 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 F076022E40A; Wed, 16 Apr 2025 06:52:01 +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=1744786323; cv=none; b=Z3es3WOVg2UyesUKAda+n/JO9/uBpBf68h5j9pEFMJrF1UzAsy8cPPtpG+d8Z7T5JvxM6a2vCffA4OSDXnlq2HvXuhoXvIVoi7sTqQmfrs1qaBjsDlgT1M+74sYBuhua0OGgyFop1tEQAenY5n6Cwx3Y+74LmC5fGAMm8lo6hME= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744786323; c=relaxed/simple; bh=bOWZsjpGMyuHA/9yMQEnOXQit557utN/lLEtaYfXo6M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=dB95+SL5TOi/ZUzOfV9PQRGanpUvEDrq8T6OyrnN95xnusJzYcX0qPtLo3KoMFYyDz1VfadQQ3yJTOCkeEMW+GhTL/mZJfIoR2N4t4Bie4tWaqrf4s2hk26fzkA8Sa748+xsqxeIXpPkOxsv7pLN2dxwOgwc9z+bBV42VwcuS8U= 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=WlG3qQu3; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=5TuUv3nX; 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="WlG3qQu3"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="5TuUv3nX" From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1744786319; 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=uFtVzpMnpK089v/2fXHCbOI7Lpmai8EW/LOy8Ub/+JY=; b=WlG3qQu33P/aB8umG+UkmkMu84DISZFkz6lkqpeNoQCL2i7IthhK+yX81UOYfIKgBKuqog R2X6+8fTk/ch6RdjW9NE+qMcgIdm5moeWUBDM2YoDf74tgPIspFzHMaPr2rtNa+b+pZS5w c9cCs7hfgFK0I+Tw4GxCXE7/s7bKCAhGke8ktOArVwJgMvsC563CGF1pq21kaE3L+wU2GZ QnLEC4fHwnithE+Oxtfge/xK16HZB75LDDY1qZYaqdvikN+ybZWDZQNYISc6Dd2Xjk31hf 1TO8SIDvrRu/4ZPH653/91bVZo+4NB7aHYvJ1OjULewHThwNBYGnCcpCGyd1tg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1744786319; 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=uFtVzpMnpK089v/2fXHCbOI7Lpmai8EW/LOy8Ub/+JY=; b=5TuUv3nXyChshttIFmXIHG8Re7riDqJN23RcNeYoQbu/CjDajcbhjFWoeHEXVWwlS8LwiO bJcge7dCXhoGv4Bw== 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 v3 14/22] rv: Add rtapp container monitor Date: Wed, 16 Apr 2025 08:51:20 +0200 Message-Id: <7d1a7337879b991ed454d1457d44a15dabc4b3f7.1744785335.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. Signed-off-by: Nam Cao Reviewed-by: Gabriele Monaco --- kernel/trace/rv/Kconfig | 1 + kernel/trace/rv/Makefile | 1 + kernel/trace/rv/monitors/rtapp/Kconfig | 6 +++++ kernel/trace/rv/monitors/rtapp/rtapp.c | 34 ++++++++++++++++++++++++++ kernel/trace/rv/monitors/rtapp/rtapp.h | 3 +++ 5 files changed, 45 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..193c9d8dc0af --- /dev/null +++ b/kernel/trace/rv/monitors/rtapp/rtapp.c @@ -0,0 +1,34 @@ +// 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) +{ + rv_register_monitor(&rv_rtapp, NULL); + return 0; +} + +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