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As part of the large block support effort, it makes sense to add support for large blocks to **zpios(1)**. The specifying of a zfs block size for zpios is optional and will default to 128K if the block size is not specified. `zpios ... -S size | --blocksize size ...` This will use *size* ZFS blocks for each test, specified as a comma delimited list with an optional unit suffix. The supported range is powers of two from 128K through 16M. A range of block sizes can be tested as follows: `-S 128K,256K,512K,1M` Example run below (non realistic results from a VM and output abbreviated for space) ``` --regioncount=750 --regionsize=8M --chunksize=1M --offset=4K --threaddelay=0 --cleanup --human-readable --verbose --cleanup --blocksize=128K,256K,512K,1M th-cnt rg-cnt rg-sz ch-sz blksz wr-data wr-bw rd-data rd-bw --------------------------------------------------------------------- 4 750 8m 1m 128k 5g 90.06m 5g 93.37m 4 750 8m 1m 256k 5g 79.71m 5g 99.81m 4 750 8m 1m 512k 5g 42.20m 5g 93.14m 4 750 8m 1m 1m 5g 35.51m 5g 89.36m 8 750 8m 1m 128k 5g 85.49m 5g 90.81m 8 750 8m 1m 256k 5g 61.42m 5g 99.24m 8 750 8m 1m 512k 5g 49.09m 5g 108.78m 16 750 8m 1m 128k 5g 86.28m 5g 88.73m 16 750 8m 1m 256k 5g 64.34m 5g 93.47m 16 750 8m 1m 512k 5g 68.84m 5g 124.47m 16 750 8m 1m 1m 5g 53.97m 5g 97.20m --------------------------------------------------------------------- ``` Signed-off-by: Don Brady <don.brady@intel.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #3795 Closes #2071
116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
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* ZPIOS is a heavily modified version of the original PIOS test code.
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* It is designed to have the test code running in the Linux kernel
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* against ZFS while still being flexibly controled from user space.
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*
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* Copyright (C) 2008-2010 Lawrence Livermore National Security, LLC.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* LLNL-CODE-403049
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*
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* Original PIOS Test Code
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* Copyright (C) 2004 Cluster File Systems, Inc.
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* Written by Peter Braam <braam@clusterfs.com>
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* Atul Vidwansa <atul@clusterfs.com>
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* Milind Dumbare <milind@clusterfs.com>
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*
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* This file is part of ZFS on Linux.
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* For details, see <http://zfsonlinux.org/>.
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*
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* ZPIOS is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* ZPIOS is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with ZPIOS. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright (c) 2015, Intel Corporation.
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*/
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#ifndef _ZPIOS_INTERNAL_H
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#define _ZPIOS_INTERNAL_H
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#include "zpios-ctl.h"
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#define OBJ_SIZE 64
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struct run_args;
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typedef struct dmu_obj {
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objset_t *os;
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uint64_t obj;
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} dmu_obj_t;
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/* thread doing the IO data */
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typedef struct thread_data {
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struct run_args *run_args;
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int thread_no;
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int rc;
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zpios_stats_t stats;
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kmutex_t lock;
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} thread_data_t;
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/* region for IO data */
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typedef struct zpios_region {
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__u64 wr_offset;
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__u64 rd_offset;
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__u64 init_offset;
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__u64 max_offset;
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dmu_obj_t obj;
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zpios_stats_t stats;
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kmutex_t lock;
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} zpios_region_t;
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/* arguments for one run */
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typedef struct run_args {
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/* Config args */
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int id;
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char pool[ZPIOS_NAME_SIZE];
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__u64 chunk_size;
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__u32 thread_count;
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__u32 region_count;
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__u64 region_size;
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__u64 offset;
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__u32 region_noise;
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__u32 chunk_noise;
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__u32 thread_delay;
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__u32 flags;
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__u32 block_size;
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char pre[ZPIOS_PATH_SIZE];
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char post[ZPIOS_PATH_SIZE];
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char log[ZPIOS_PATH_SIZE];
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/* Control data */
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objset_t *os;
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wait_queue_head_t waitq;
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volatile uint64_t threads_done;
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kmutex_t lock_work;
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kmutex_t lock_ctl;
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__u32 region_next;
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/* Results data */
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struct file *file;
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zpios_stats_t stats;
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thread_data_t **threads;
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zpios_region_t regions[0]; /* Must be last element */
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} run_args_t;
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#define ZPIOS_INFO_BUFFER_SIZE 65536
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#define ZPIOS_INFO_BUFFER_REDZONE 1024
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typedef struct zpios_info {
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spinlock_t info_lock;
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int info_size;
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char *info_buffer;
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char *info_head; /* Internal kernel use only */
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} zpios_info_t;
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#endif /* _ZPIOS_INTERNAL_H */
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