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(unknown [109.105.118.18]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20240925085813epsmtip1564bde7c46c1a79a0a91b0ea8ab8d6d5~4cP4ivrqD0082300823epsmtip1W; Wed, 25 Sep 2024 08:58:13 +0000 (GMT) From: Ruyi Zhang To: axboe@kernel.dk, asml.silence@gmail.com Cc: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, peiwei.li@samsung.com, Ruyi Zhang Subject: [PATCH v2 RESEND] io_uring/fdinfo: add timeout_list to fdinfo Date: Wed, 25 Sep 2024 08:58:00 +0000 Message-ID: <20240925085800.1729-1-ruyi.zhang@samsung.com> X-Mailer: git-send-email 2.43.0 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 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrLKsWRmVeSWpSXmKPExsWy7bCmpu7Z65/TDL7PNLCYs2obo8Xqu/1s Fu9az7FY/Oq+y2hxedccNotnezktvhz+zm5xdsIHVgcOj52z7rJ7XD5b6tG3ZRWjx+dNcgEs Udk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUBHKCmU JeaUAoUCEouLlfTtbIryS0tSFTLyi0tslVILUnIKTAr0ihNzi0vz0vXyUkusDA0MjEyBChOy M47u1i3YKlFx+tV1xgbGz8JdjJwcEgImEjO/b2XpYuTiEBLYzShx58Q5KOcTo8THqS8ZQaqE BL4xSjz5aNfFyAHW8f6aO0TNXkaJs/+vsUI4TxglLh1sZANpYBPQlLg8swGsWURAW+L146ks IDazQIXEuttPmUAGCQu4Sby86g0SZhFQlZiyfCM7iM0rYCWxZslfVojr5CUW71jODBEXlDg5 8wnUGHmJ5q2zmUH2SgicY5c49+AwC0SDi8T0i4fYIWxhiVfHt0DZUhKf3+1lg3igWOJhXz5E uIFRYtvvOgjbWuLflT0sICXMQOev36UPEZaVmHpqHRPEWj6J3t9PmCDivBI75sHYKhLvV7xj gtm0vnU3lO0hMbnxGzQIYyWuPVrPOIFRfhaSb2Yh+WYWwuYFjMyrGCVTC4pz01OLTQsM81LL 4ZGanJ+7iRGcDrU8dzDeffBB7xAjEwfjIUYJDmYlEd5JNz+mCfGmJFZWpRblxxeV5qQWH2I0 BQbxRGYp0eR8YELOK4k3NLE0MDEzMzOxNDYzVBLnfd06N0VIID2xJDU7NbUgtQimj4mDU6qB Safk4vR7Umk3yjkOd7r7dpxdylWtdukMw55DYl/2rbHP1JUzfPhwRluS1yHzji9zuhd+P/0/ MzJu62z57eckmJPZT//bWLMihvmohFlB4vOWL7v8/adz9u0x1Zy8j8P1T+IcY56iyuCcw1l3 Qp/0yAmlmF2fKrrpbuoWWZfz+VOP7k7+P3tXs7Bs9Du2/byixmHm22Qt+O4+O3Ev7su0E6+3 5jokufDacRwsrzsWpfX9lHzYb8fl2+MjD8/afo/n4vGbE9xqGlvrlXNTrVzDrKV7X+x+/bB2 1ZXLTToMRuastedXKD6+3VWq9v1Km0Z/rtQpx3Uia7aErP3L0zJN6ex+Z2cB0WeaMvOeHMoW UGIpzkg01GIuKk4EAHrJLecQBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrJLMWRmVeSWpSXmKPExsWy7bCSnO6yC5/TDG4dMbWYs2obo8Xqu/1s Fu9az7FY/Oq+y2hxedccNotnezktvhz+zm5xdsIHVgcOj52z7rJ7XD5b6tG3ZRWjx+dNcgEs UVw2Kak5mWWpRfp2CVwZR3frFmyVqDj96jpjA+Nn4S5GDg4JAROJ99fcuxi5OIQEdjNKzNw9 lbGLkRMoLiVxs+kYE4QtLLHy33N2iKJHjBK3n1xnAUmwCWhKXJ7ZwAgySERAV6LxrgJImFmg RqLr6gQmkLCwgJvEy6veIGEWAVWJKcs3soPYvAJWEmuW/GWFGC8vsXjHcmaIuKDEyZlPWCDG yEs0b53NPIGRbxaS1CwkqQWMTKsYJVMLinPTc4sNCwzzUsv1ihNzi0vz0vWS83M3MYJDU0tz B+P2VR/0DjEycTAeYpTgYFYS4Z1082OaEG9KYmVValF+fFFpTmrxIUZpDhYlcV7xF70pQgLp iSWp2ampBalFMFkmDk6pBqbNOlMUBBofqKnPm7ah+kkv+6E3V6bxuvjX/Bbhmn9oheIEtfDN iZ+vPCldVm96YdV3k2u9nG2v1kjyHXXjOdN3nel75dFzNfce1y3hCrnyKPLLD76shfIyl3mc xcIVZ/dr3Ga8/tvnpRqnFEfQwfxlOj4qU5aZPBf/NvHdE8MzfzRP1y6yeLJ39TcdhoOJD+/2 KhWbuLxebf/g75o5Jrzpz6pOh4hPmS9ys+V5/bLsA0IvrHX/eLT4sLOfUnpvc75E01Hpe/bq 1gMXxU3u3FY0ap2k4iHPs0917QedK1V5G+7/tuDc03zkoVbQWj6ODfpfM1XXKvSX6UnH1B/V +l6ykFPmh+7nCSFLGITlzzxWYinOSDTUYi4qTgQAm0+h57wCAAA= X-CMS-MailID: 20240925085815epcas5p16fa977581284a81dae7b67da8bc96a85 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240925085815epcas5p16fa977581284a81dae7b67da8bc96a85 References: io_uring fdinfo contains most of the runtime information,which is helpful for debugging io_uring applications; However, there is currently a lack of timeout-related information, and this patch adds timeout_list information. -- changes since v1: - use _irq version spin_lock. - Fixed formatting issues and delete redundant code. - v1 :https://lore.kernel.org/io-uring/20240812020052.8763-1-ruyi.zhang@sam= sung.com/ -- Signed-off-by: Ruyi Zhang --- io_uring/fdinfo.c | 14 ++++++++++++++ io_uring/timeout.c | 12 ------------ io_uring/timeout.h | 12 ++++++++++++ 3 files changed, 26 insertions(+), 12 deletions(-) diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c index d43e1b5fcb36..f524c3cd6f57 100644 --- a/io_uring/fdinfo.c +++ b/io_uring/fdinfo.c @@ -14,6 +14,7 @@ #include "fdinfo.h" #include "cancel.h" #include "rsrc.h" +#include "timeout.h" =20 #ifdef CONFIG_PROC_FS static __cold int io_uring_show_cred(struct seq_file *m, unsigned int id, @@ -55,6 +56,7 @@ __cold void io_uring_show_fdinfo(struct seq_file *m, stru= ct file *file) struct io_ring_ctx *ctx =3D file->private_data; struct io_overflow_cqe *ocqe; struct io_rings *r =3D ctx->rings; + struct io_timeout *timeout; struct rusage sq_usage; unsigned int sq_mask =3D ctx->sq_entries - 1, cq_mask =3D ctx->cq_entries= - 1; unsigned int sq_head =3D READ_ONCE(r->sq.head); @@ -235,5 +237,17 @@ __cold void io_uring_show_fdinfo(struct seq_file *m, s= truct file *file) seq_puts(m, "NAPI:\tdisabled\n"); } #endif + + seq_puts(m, "TimeoutList:\n"); + spin_lock_irq(&ctx->timeout_lock); + list_for_each_entry(timeout, &ctx->timeout_list, list) { + struct io_timeout_data *data; + + data =3D cmd_to_io_kiocb(timeout)->async_data; + seq_printf(m, " off=3D%u, repeats=3D%u, sec=3D%lld, nsec=3D%ld\n", + timeout->off, timeout->repeats, data->ts.tv_sec, + data->ts.tv_nsec); + } + spin_unlock_irq(&ctx->timeout_lock); } #endif diff --git a/io_uring/timeout.c b/io_uring/timeout.c index 9973876d91b0..4449e139e371 100644 --- a/io_uring/timeout.c +++ b/io_uring/timeout.c @@ -13,18 +13,6 @@ #include "cancel.h" #include "timeout.h" =20 -struct io_timeout { - struct file *file; - u32 off; - u32 target_seq; - u32 repeats; - struct list_head list; - /* head of the link, used by linked timeouts only */ - struct io_kiocb *head; - /* for linked completions */ - struct io_kiocb *prev; -}; - struct io_timeout_rem { struct file *file; u64 addr; diff --git a/io_uring/timeout.h b/io_uring/timeout.h index a6939f18313e..befd489a6286 100644 --- a/io_uring/timeout.h +++ b/io_uring/timeout.h @@ -1,5 +1,17 @@ // SPDX-License-Identifier: GPL-2.0 =20 +struct io_timeout { + struct file *file; + u32 off; + u32 target_seq; + u32 repeats; + struct list_head list; + /* head of the link, used by linked timeouts only */ + struct io_kiocb *head; + /* for linked completions */ + struct io_kiocb *prev; +}; + struct io_timeout_data { struct io_kiocb *req; struct hrtimer timer; --=20 2.43.0