From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- net/rds/ib_stats.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 net/rds/ib_stats.c (limited to 'net/rds/ib_stats.c') diff --git a/net/rds/ib_stats.c b/net/rds/ib_stats.c new file mode 100644 index 000000000..ac46d8961 --- /dev/null +++ b/net/rds/ib_stats.c @@ -0,0 +1,107 @@ +/* + * Copyright (c) 2006 Oracle. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + */ +#include +#include +#include + +#include "rds.h" +#include "ib.h" + +DEFINE_PER_CPU_SHARED_ALIGNED(struct rds_ib_statistics, rds_ib_stats); + +static const char *const rds_ib_stat_names[] = { + "ib_connect_raced", + "ib_listen_closed_stale", + "ib_evt_handler_call", + "ib_tasklet_call", + "ib_tx_cq_event", + "ib_tx_ring_full", + "ib_tx_throttle", + "ib_tx_sg_mapping_failure", + "ib_tx_stalled", + "ib_tx_credit_updates", + "ib_rx_cq_event", + "ib_rx_ring_empty", + "ib_rx_refill_from_cq", + "ib_rx_refill_from_thread", + "ib_rx_alloc_limit", + "ib_rx_total_frags", + "ib_rx_total_incs", + "ib_rx_credit_updates", + "ib_ack_sent", + "ib_ack_send_failure", + "ib_ack_send_delayed", + "ib_ack_send_piggybacked", + "ib_ack_received", + "ib_rdma_mr_8k_alloc", + "ib_rdma_mr_8k_free", + "ib_rdma_mr_8k_used", + "ib_rdma_mr_8k_pool_flush", + "ib_rdma_mr_8k_pool_wait", + "ib_rdma_mr_8k_pool_depleted", + "ib_rdma_mr_1m_alloc", + "ib_rdma_mr_1m_free", + "ib_rdma_mr_1m_used", + "ib_rdma_mr_1m_pool_flush", + "ib_rdma_mr_1m_pool_wait", + "ib_rdma_mr_1m_pool_depleted", + "ib_rdma_mr_8k_reused", + "ib_rdma_mr_1m_reused", + "ib_atomic_cswp", + "ib_atomic_fadd", +}; + +unsigned int rds_ib_stats_info_copy(struct rds_info_iterator *iter, + unsigned int avail) +{ + struct rds_ib_statistics stats = {0, }; + uint64_t *src; + uint64_t *sum; + size_t i; + int cpu; + + if (avail < ARRAY_SIZE(rds_ib_stat_names)) + goto out; + + for_each_online_cpu(cpu) { + src = (uint64_t *)&(per_cpu(rds_ib_stats, cpu)); + sum = (uint64_t *)&stats; + for (i = 0; i < sizeof(stats) / sizeof(uint64_t); i++) + *(sum++) += *(src++); + } + + rds_stats_info_copy(iter, (uint64_t *)&stats, rds_ib_stat_names, + ARRAY_SIZE(rds_ib_stat_names)); +out: + return ARRAY_SIZE(rds_ib_stat_names); +} -- cgit v1.3.1