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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
128 lines
4.0 KiB
C
128 lines
4.0 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_H
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#define _ZPIOS_H
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#include <zpios-ctl.h>
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#define VERSION_SIZE 64
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/* Regular expressions */
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#define REGEX_NUMBERS "^[0-9]+$"
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#define REGEX_NUMBERS_COMMA "^([0-9]+,)*[0-9]+$"
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#define REGEX_SIZE "^[0-9]+[kKmMgGtT]?$"
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#define REGEX_SIZE_COMMA "^([0-9]+[kKmMgGtT]?,)*[0-9]+[kKmMgGtT]?$"
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/* Flags for low, high, incr */
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#define FLAG_SET 0x01
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#define FLAG_LOW 0x02
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#define FLAG_HIGH 0x04
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#define FLAG_INCR 0x08
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#define TRUE 1
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#define FALSE 0
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#define KB (1024)
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#define MB (KB * 1024)
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#define GB (MB * 1024)
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#define TB (GB * 1024)
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#define KMGT_SIZE 16
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/*
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* All offsets, sizes and counts can be passed to the application in
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* multiple ways.
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* 1. a value (stored in val[0], val_count will be 1)
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* 2. a comma separated list of values (stored in val[], using val_count)
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* 3. a range and block sizes, low, high, factor (val_count must be 0)
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*/
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typedef struct pios_range_repeat {
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uint64_t val[32]; /* Comma sep array, or low, high, inc */
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uint64_t val_count; /* Num of values */
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uint64_t val_low;
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uint64_t val_high;
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uint64_t val_inc_perc;
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uint64_t next_val; /* For multiple runs in get_next() */
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} range_repeat_t;
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typedef struct cmd_args {
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range_repeat_t T; /* Thread count */
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range_repeat_t N; /* Region count */
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range_repeat_t O; /* Offset count */
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range_repeat_t C; /* Chunksize */
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range_repeat_t S; /* Regionsize */
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range_repeat_t B; /* Blocksize */
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const char *pool; /* Pool */
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const char *name; /* Name */
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uint32_t flags; /* Flags */
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uint32_t block_size; /* ZFS block size */
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uint32_t io_type; /* DMUIO only */
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uint32_t verbose; /* Verbose */
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uint32_t human_readable; /* Human readable output */
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uint64_t regionnoise; /* Region noise */
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uint64_t chunknoise; /* Chunk noise */
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uint64_t thread_delay; /* Thread delay */
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char pre[ZPIOS_PATH_SIZE]; /* Pre-exec hook */
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char post[ZPIOS_PATH_SIZE]; /* Post-exec hook */
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char log[ZPIOS_PATH_SIZE]; /* Requested log dir */
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/* Control */
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int current_id;
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uint64_t current_T;
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uint64_t current_N;
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uint64_t current_C;
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uint64_t current_S;
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uint64_t current_O;
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uint64_t current_B;
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uint32_t rc;
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} cmd_args_t;
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int set_count(char *pattern1, char *pattern2, range_repeat_t *range,
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char *optarg, uint32_t *flags, char *arg);
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int set_lhi(char *pattern, range_repeat_t *range, char *optarg,
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int flag, uint32_t *flag_thread, char *arg);
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int set_noise(uint64_t *noise, char *optarg, char *arg);
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int set_load_params(cmd_args_t *args, char *optarg);
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int check_mutual_exclusive_command_lines(uint32_t flag, char *arg);
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void print_stats_header(cmd_args_t *args);
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void print_stats(cmd_args_t *args, zpios_cmd_t *cmd);
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#endif /* _ZPIOS_H */
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