From nobody Mon Dec 15 22:43:14 2025 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 34DC8259CA1 for ; Thu, 15 May 2025 17:00:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747328403; cv=none; b=dQK6ccoD7OF9bSR3IQ56OPXJ99tmxgCVtA975FOzNbgE07XgbkZqRfOICGtxYaaxa6GvWL4S0NW0EwBOxDgfCEBSrMn0bOJf71b3BEErDHZ9j7kn6YGPT/XM2q29KtWotLwPt823j39iWxEZ3cinB9s7Ip2dkWq9rP6RGBU4zXQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747328403; c=relaxed/simple; bh=TWYghpcn+VmeH+NpdNoZg8iY4m9tBL9UCj9uhm2YfIU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=b+LmOhnhgNe4WcLLXt2Fmqw6iudLQpdyR2lfO2i59ehHDWWz30je/SXxPkLy7KZKWKDt1XwSa5qOepgFzVF7MAMKTVZFIqjRODV9vDKuWxwX3UfuuVzWDGNe4i+f2xI79ZV0igOA3tX5X3Tg1f7jjjcHCBUWUoQSGBe3ibkgdoI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2043A25E4; Thu, 15 May 2025 09:59:49 -0700 (PDT) Received: from merodach.members.linode.com (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5FE173F63F; Thu, 15 May 2025 09:59:57 -0700 (PDT) From: James Morse To: x86@kernel.org, linux-kernel@vger.kernel.org Cc: Reinette Chatre , Thomas Gleixner , Ingo Molnar , Borislav Petkov , H Peter Anvin , Babu Moger , James Morse , shameerali.kolothum.thodi@huawei.com, D Scott Phillips OS , carl@os.amperecomputing.com, lcherian@marvell.com, bobo.shaobowang@huawei.com, tan.shaopeng@fujitsu.com, baolin.wang@linux.alibaba.com, Jamie Iles , Xin Hao , peternewman@google.com, dfustini@baylibre.com, amitsinght@marvell.com, David Hildenbrand , Rex Nie , Dave Martin , Koba Ko , Shanker Donthineni , fenghuay@nvidia.com, Shaopeng Tan , Babu Moger , Tony Luck Subject: [PATCH v12 13/25] x86/resctrl: Split trace.h Date: Thu, 15 May 2025 16:58:43 +0000 Message-Id: <20250515165855.31452-14-james.morse@arm.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20250515165855.31452-1-james.morse@arm.com> References: <20250515165855.31452-1-james.morse@arm.com> 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" trace.h contains all the tracepoints. After the move to /fs/resctrl, some of these will be left behind. All the pseudo_lock tracepoints remain part of the architecture. The lone tracepoint in monitor.c moves to /fs/resctrl. Split trace.h so that each C file includes a different trace header file. This means the trace header files are not modified when they are moved. Signed-off-by: James Morse Tested-by: Shaopeng Tan Tested-by: Peter Newman Tested-by: Amit Singh Tomar # arm64 Tested-by: Shanker Donthineni # arm64 Tested-by: Babu Moger Tested-by: Tony Luck Reviewed-by: Shaopeng Tan Reviewed-by: Tony Luck Reviewed-by: Fenghua Yu Reviewed-by: Reinette Chatre --- arch/x86/kernel/cpu/resctrl/Makefile | 3 ++ arch/x86/kernel/cpu/resctrl/monitor.c | 4 ++- arch/x86/kernel/cpu/resctrl/monitor_trace.h | 31 +++++++++++++++++++ arch/x86/kernel/cpu/resctrl/pseudo_lock.c | 2 +- .../resctrl/{trace.h =3D> pseudo_lock_trace.h} | 24 +++----------- 5 files changed, 42 insertions(+), 22 deletions(-) create mode 100644 arch/x86/kernel/cpu/resctrl/monitor_trace.h rename arch/x86/kernel/cpu/resctrl/{trace.h =3D> pseudo_lock_trace.h} (56%) diff --git a/arch/x86/kernel/cpu/resctrl/Makefile b/arch/x86/kernel/cpu/res= ctrl/Makefile index 0c13b0befd8a..909be78ec6da 100644 --- a/arch/x86/kernel/cpu/resctrl/Makefile +++ b/arch/x86/kernel/cpu/resctrl/Makefile @@ -2,4 +2,7 @@ obj-$(CONFIG_X86_CPU_RESCTRL) +=3D core.o rdtgroup.o monitor.o obj-$(CONFIG_X86_CPU_RESCTRL) +=3D ctrlmondata.o obj-$(CONFIG_RESCTRL_FS_PSEUDO_LOCK) +=3D pseudo_lock.o + +# To allow define_trace.h's recursive include: CFLAGS_pseudo_lock.o =3D -I$(src) +CFLAGS_monitor.o =3D -I$(src) diff --git a/arch/x86/kernel/cpu/resctrl/monitor.c b/arch/x86/kernel/cpu/re= sctrl/monitor.c index 4962ae4bc596..ac1cec61829c 100644 --- a/arch/x86/kernel/cpu/resctrl/monitor.c +++ b/arch/x86/kernel/cpu/resctrl/monitor.c @@ -26,7 +26,9 @@ #include =20 #include "internal.h" -#include "trace.h" + +#define CREATE_TRACE_POINTS +#include "monitor_trace.h" =20 /** * struct rmid_entry - dirty tracking for all RMID. diff --git a/arch/x86/kernel/cpu/resctrl/monitor_trace.h b/arch/x86/kernel/= cpu/resctrl/monitor_trace.h new file mode 100644 index 000000000000..ade67daf42c2 --- /dev/null +++ b/arch/x86/kernel/cpu/resctrl/monitor_trace.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM resctrl + +#if !defined(_FS_RESCTRL_MONITOR_TRACE_H) || defined(TRACE_HEADER_MULTI_RE= AD) +#define _FS_RESCTRL_MONITOR_TRACE_H + +#include + +TRACE_EVENT(mon_llc_occupancy_limbo, + TP_PROTO(u32 ctrl_hw_id, u32 mon_hw_id, int domain_id, u64 llc_occupa= ncy_bytes), + TP_ARGS(ctrl_hw_id, mon_hw_id, domain_id, llc_occupancy_bytes), + TP_STRUCT__entry(__field(u32, ctrl_hw_id) + __field(u32, mon_hw_id) + __field(int, domain_id) + __field(u64, llc_occupancy_bytes)), + TP_fast_assign(__entry->ctrl_hw_id =3D ctrl_hw_id; + __entry->mon_hw_id =3D mon_hw_id; + __entry->domain_id =3D domain_id; + __entry->llc_occupancy_bytes =3D llc_occupancy_bytes;), + TP_printk("ctrl_hw_id=3D%u mon_hw_id=3D%u domain_id=3D%d llc_occupanc= y_bytes=3D%llu", + __entry->ctrl_hw_id, __entry->mon_hw_id, __entry->domain_id, + __entry->llc_occupancy_bytes) + ); + +#endif /* _FS_RESCTRL_MONITOR_TRACE_H */ + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#define TRACE_INCLUDE_FILE monitor_trace +#include diff --git a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c b/arch/x86/kernel/cp= u/resctrl/pseudo_lock.c index 92ea1472bde9..f7bb586a83f9 100644 --- a/arch/x86/kernel/cpu/resctrl/pseudo_lock.c +++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock.c @@ -30,7 +30,7 @@ #include "internal.h" =20 #define CREATE_TRACE_POINTS -#include "trace.h" +#include "pseudo_lock_trace.h" =20 /* * The bits needed to disable hardware prefetching varies based on the diff --git a/arch/x86/kernel/cpu/resctrl/trace.h b/arch/x86/kernel/cpu/resc= trl/pseudo_lock_trace.h similarity index 56% rename from arch/x86/kernel/cpu/resctrl/trace.h rename to arch/x86/kernel/cpu/resctrl/pseudo_lock_trace.h index 2a506316b303..5a0fae61d3ee 100644 --- a/arch/x86/kernel/cpu/resctrl/trace.h +++ b/arch/x86/kernel/cpu/resctrl/pseudo_lock_trace.h @@ -2,8 +2,8 @@ #undef TRACE_SYSTEM #define TRACE_SYSTEM resctrl =20 -#if !defined(_TRACE_RESCTRL_H) || defined(TRACE_HEADER_MULTI_READ) -#define _TRACE_RESCTRL_H +#if !defined(_X86_RESCTRL_PSEUDO_LOCK_TRACE_H) || defined(TRACE_HEADER_MUL= TI_READ) +#define _X86_RESCTRL_PSEUDO_LOCK_TRACE_H =20 #include =20 @@ -35,25 +35,9 @@ TRACE_EVENT(pseudo_lock_l3, TP_printk("hits=3D%llu miss=3D%llu", __entry->l3_hits, __entry->l3_miss)); =20 -TRACE_EVENT(mon_llc_occupancy_limbo, - TP_PROTO(u32 ctrl_hw_id, u32 mon_hw_id, int domain_id, u64 llc_occupa= ncy_bytes), - TP_ARGS(ctrl_hw_id, mon_hw_id, domain_id, llc_occupancy_bytes), - TP_STRUCT__entry(__field(u32, ctrl_hw_id) - __field(u32, mon_hw_id) - __field(int, domain_id) - __field(u64, llc_occupancy_bytes)), - TP_fast_assign(__entry->ctrl_hw_id =3D ctrl_hw_id; - __entry->mon_hw_id =3D mon_hw_id; - __entry->domain_id =3D domain_id; - __entry->llc_occupancy_bytes =3D llc_occupancy_bytes;), - TP_printk("ctrl_hw_id=3D%u mon_hw_id=3D%u domain_id=3D%d llc_occupanc= y_bytes=3D%llu", - __entry->ctrl_hw_id, __entry->mon_hw_id, __entry->domain_id, - __entry->llc_occupancy_bytes) - ); - -#endif /* _TRACE_RESCTRL_H */ +#endif /* _X86_RESCTRL_PSEUDO_LOCK_TRACE_H */ =20 #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . -#define TRACE_INCLUDE_FILE trace +#define TRACE_INCLUDE_FILE pseudo_lock_trace #include --=20 2.39.5