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From: Reinette Chatre <reinette.chatre@intel.com>
To: James Morse <james.morse@arm.com>, <x86@kernel.org>,
	<linux-kernel@vger.kernel.org>
Cc: Fenghua Yu <fenghua.yu@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	H Peter Anvin <hpa@zytor.com>, Babu Moger <Babu.Moger@amd.com>,
	<shameerali.kolothum.thodi@huawei.com>,
	Jamie Iles <jamie@nuviainc.com>,
	"D Scott Phillips OS" <scott@os.amperecomputing.com>,
	<lcherian@marvell.com>, <bobo.shaobowang@huawei.com>,
	<tan.shaopeng@fujitsu.com>
Subject: Re: [PATCH v3 14/21] x86/recstrl: Allow per-rmid arch private storage to be reset
Date: Wed, 16 Mar 2022 14:50:57 -0700	[thread overview]
Message-ID: <ed0add2c-58ac-f4da-21cb-36f2080b4995@intel.com> (raw)
In-Reply-To: <20220217182110.7176-15-james.morse@arm.com>

Hi James,

Note the subject line: "x86/recstrl" -> "x86/resctrl"

On 2/17/2022 10:21 AM, James Morse wrote:
> To abstract the rmid counters into a helper that returns the number
> of bytes counted, architecture specific per-rmid state is needed.
> 
> It needs to be possible to reset this hidden state, as the values
> may outlive the life of an rmid, or the mount time of the filesystem.
> 
> mon_event_read() is called with first = true when an rmid is first
> allocated in mkdir_mondata_subdir(). Add resctrl_arch_reset_rmid()
> and call it from __mon_event_count()'s rr->first check.
> 
> Reviewed-by: Shaopeng Tan <tan.shaopeng@fujitsu.com>
> Signed-off-by: James Morse <james.morse@arm.com>

Reinette

  reply	other threads:[~2022-03-16 21:51 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-17 18:20 [PATCH v3 00/21] x86/resctrl: Make resctrl_arch_rmid_read() return values in bytes James Morse
2022-02-17 18:20 ` [PATCH v3 01/21] x86/resctrl: Kill off alloc_enabled James Morse
2022-03-16 21:48   ` Reinette Chatre
2022-02-17 18:20 ` [PATCH v3 02/21] x86/resctrl: Merge mon_capable and mon_enabled James Morse
2022-02-17 18:20 ` [PATCH v3 03/21] x86/resctrl: Add domain online callback for resctrl work James Morse
2022-02-17 18:20 ` [PATCH v3 04/21] x86/resctrl: Group struct rdt_hw_domain cleanup James Morse
2022-02-17 18:20 ` [PATCH v3 05/21] x86/resctrl: Add domain offline callback for resctrl work James Morse
2022-02-17 18:20 ` [PATCH v3 06/21] x86/resctrl: Remove set_mba_sc()s control array re-initialisation James Morse
2022-02-17 18:20 ` [PATCH v3 07/21] x86/resctrl: Create mba_sc configuration in the rdt_domain James Morse
2022-03-05  0:26   ` Reinette Chatre
2022-03-30 16:43     ` James Morse
2022-03-16 21:50   ` Reinette Chatre
2022-03-30 16:43     ` James Morse
2022-04-01 22:54       ` Reinette Chatre
2022-04-04 16:35         ` James Morse
2022-04-04 20:43           ` Reinette Chatre
2022-02-17 18:20 ` [PATCH v3 08/21] x86/resctrl: Switch over to the resctrl mbps_val list James Morse
2022-02-17 18:20 ` [PATCH v3 09/21] x86/resctrl: Remove architecture copy of mbps_val James Morse
2022-02-17 18:20 ` [PATCH v3 10/21] x86/resctrl: Abstract and use supports_mba_mbps() James Morse
2022-02-17 18:21 ` [PATCH v3 11/21] x86/resctrl: Allow update_mba_bw() to update controls directly James Morse
2022-02-17 18:21 ` [PATCH v3 12/21] x86/resctrl: Calculate bandwidth from the previous __mon_event_count() chunks James Morse
2022-03-05  0:27   ` Reinette Chatre
2022-03-30 16:44     ` James Morse
2022-02-17 18:21 ` [PATCH v3 13/21] x86/recstrl: Add per-rmid arch private storage for overflow and chunks James Morse
2022-03-16 21:50   ` Reinette Chatre
2022-02-17 18:21 ` [PATCH v3 14/21] x86/recstrl: Allow per-rmid arch private storage to be reset James Morse
2022-03-16 21:50   ` Reinette Chatre [this message]
2022-02-17 18:21 ` [PATCH v3 15/21] x86/resctrl: Abstract __rmid_read() James Morse
2022-03-16 21:52   ` Reinette Chatre
2022-03-30 16:44     ` James Morse
2022-02-17 18:21 ` [PATCH v3 16/21] x86/resctrl: Pass the required parameters into resctrl_arch_rmid_read() James Morse
2022-03-23 20:58   ` Rob Herring
2022-03-30 16:45     ` James Morse
2022-02-17 18:21 ` [PATCH v3 17/21] x86/resctrl: Move mbm_overflow_count() " James Morse
2022-02-17 18:21 ` [PATCH v3 18/21] x86/resctrl: Move get_corrected_mbm_count() " James Morse
2022-02-17 18:21 ` [PATCH v3 19/21] x86/resctrl: Rename and change the units of resctrl_cqm_threshold James Morse
2022-03-17 17:00   ` Reinette Chatre
2022-03-30 16:45     ` James Morse
2022-04-01 22:55       ` Reinette Chatre
2022-02-17 18:21 ` [PATCH v3 20/21] x86/resctrl: Add resctrl_rmid_realloc_limit to abstract x86's boot_cpu_data James Morse
2022-02-17 18:21 ` [PATCH v3 21/21] x86/resctrl: Make resctrl_arch_rmid_read() return values in bytes James Morse
2022-03-23 21:17   ` Rob Herring
2022-04-04 16:36     ` James Morse
2022-03-07 12:56 ` [PATCH v3 00/21] " Jamie Iles
2022-04-04 16:36   ` James Morse
2022-03-15  6:41 ` Xin Hao
2022-04-04 16:36   ` James Morse
2022-03-15  8:16 ` tan.shaopeng
2022-04-04 16:35   ` James Morse

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