From: Thomas Gleixner <tglx@linutronix.de>
To: Sasha Levin <sashal@kernel.org>,
linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: David Wang <00107082@163.com>,
Huacai Chen <chenhuacai@loongson.cn>,
Sasha Levin <sashal@kernel.org>,
chenhuacai@kernel.org, maobibo@loongson.cn,
wangliupu@loongson.cn, lvjianmin@loongson.cn,
zhangtianyang@loongson.cn, loongarch@lists.linux.dev
Subject: Re: [PATCH AUTOSEL 6.12 18/36] LoongArch/irq: Use seq_put_decimal_ull_width() for decimal values
Date: Wed, 11 Dec 2024 20:14:18 +0100 [thread overview]
Message-ID: <87zfl29gmt.ffs@tglx> (raw)
In-Reply-To: <20241211185028.3841047-18-sashal@kernel.org>
On Wed, Dec 11 2024 at 13:49, Sasha Levin wrote:
> From: David Wang <00107082@163.com>
>
> [ Upstream commit ad2a05a6d287aef7e069c06e329f1355756415c2 ]
>
> Performance improvement for reading /proc/interrupts on LoongArch.
>
> On a system with n CPUs and m interrupts, there will be n*m decimal
> values yielded via seq_printf(.."%10u "..) which is less efficient than
> seq_put_decimal_ull_width(), stress reading /proc/interrupts indicates
> ~30% performance improvement with this patch (and its friends).
Why is this stable material?
Thanks,
tglx
next prev parent reply other threads:[~2024-12-11 19:14 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-11 18:49 [PATCH AUTOSEL 6.12 01/36] watchdog: it87_wdt: add PWRGD enable quirk for Qotom QCML04 Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 02/36] watchdog: rzg2l_wdt: Power on the watchdog domain in the restart handler Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 03/36] Revert "watchdog: s3c2410_wdt: use exynos_get_pmu_regmap_by_phandle() for PMU regs" Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 04/36] watchdog: mediatek: Add support for MT6735 TOPRGU/WDT Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 05/36] watchdog: s3c2410_wdt: add support for exynosautov920 SoC Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 06/36] scsi: qla1280: Fix hw revision numbering for ISP1020/1040 Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 07/36] scsi: megaraid_sas: Fix for a potential deadlock Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 08/36] udf: Skip parent dir link count update if corrupted Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 09/36] udf: Verify inode link counts before performing rename Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 10/36] ALSA: ump: Don't open legacy substream for an inactive group Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 11/36] ALSA: ump: Indicate the inactive group in legacy substream names Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 12/36] ALSA: ump: Update legacy substream names upon FB info update Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 13/36] ALSA: hda/conexant: fix Z60MR100 startup pop issue Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 14/36] ALSA: sh: Use standard helper for buffer accesses Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 15/36] smb: server: Fix building with GCC 15 Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 16/36] regmap: Use correct format specifier for logging range errors Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 17/36] LoongArch: Fix reserving screen info memory for above-4G firmware Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 18/36] LoongArch/irq: Use seq_put_decimal_ull_width() for decimal values Sasha Levin
2024-12-11 19:14 ` Thomas Gleixner [this message]
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 19/36] LoongArch: BPF: Adjust the parameter of emit_jirl() Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 20/36] platform/x86: asus-nb-wmi: Ignore unknown event 0xCF Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 21/36] bpf: Zero index arg error string for dynptr and iter Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 22/36] net: sched: fix ordering of qlen adjustment Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 23/36] spi: intel: Add Panther Lake SPI controller support Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 24/36] scsi: mpt3sas: Diag-Reset when Doorbell-In-Use bit is set during driver load time Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 25/36] scsi: mpi3mr: Synchronize access to ioctl data buffer Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 26/36] scsi: mpi3mr: Fix corrupt config pages PHY state is switched in sysfs Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 27/36] scsi: mpi3mr: Start controller indexing from 0 Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 28/36] scsi: mpi3mr: Handling of fault code for insufficient power Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 29/36] scsi: storvsc: Do not flag MAINTENANCE_IN return of SRB_STATUS_DATA_OVERRUN as an error Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 30/36] ACPI/IORT: Add PMCG platform information for HiSilicon HIP09A Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 31/36] spi: omap2-mcspi: Fix the IS_ERR() bug for devm_clk_get_optional_enabled() Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 32/36] drm/dp_mst: Ensure mst_primary pointer is valid in drm_dp_mst_handle_up_req() Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 33/36] drm/dp_mst: Reset message rx state after OOM " Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 34/36] virtio-blk: don't keep queue frozen during system suspend Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 35/36] blk-mq: register cpuhp callback after hctx is added to xarray table Sasha Levin
2024-12-11 18:49 ` [PATCH AUTOSEL 6.12 36/36] blk-mq: move cpuhp callback registering out of q->sysfs_lock Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87zfl29gmt.ffs@tglx \
--to=tglx@linutronix.de \
--cc=00107082@163.com \
--cc=chenhuacai@kernel.org \
--cc=chenhuacai@loongson.cn \
--cc=linux-kernel@vger.kernel.org \
--cc=loongarch@lists.linux.dev \
--cc=lvjianmin@loongson.cn \
--cc=maobibo@loongson.cn \
--cc=sashal@kernel.org \
--cc=stable@vger.kernel.org \
--cc=wangliupu@loongson.cn \
--cc=zhangtianyang@loongson.cn \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.