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-rw-r--r--cmd/Makefile.am2
-rw-r--r--cmd/zpios/Makefile.am8
-rw-r--r--cmd/zpios/zpios.h117
-rw-r--r--cmd/zpios/zpios_main.c619
-rw-r--r--cmd/zpios/zpios_util.c440
5 files changed, 1185 insertions, 1 deletions
diff --git a/cmd/Makefile.am b/cmd/Makefile.am
index 437374f0c..8259b7bde 100644
--- a/cmd/Makefile.am
+++ b/cmd/Makefile.am
@@ -1 +1 @@
-SUBDIRS = zfs zpool zdb zdump zinject ztest
+SUBDIRS = zfs zpool zdb zdump zinject ztest zpios
diff --git a/cmd/zpios/Makefile.am b/cmd/zpios/Makefile.am
new file mode 100644
index 000000000..91029dbe7
--- /dev/null
+++ b/cmd/zpios/Makefile.am
@@ -0,0 +1,8 @@
+include $(top_srcdir)/config/Rules.am
+
+sbin_PROGRAMS = zpios
+
+zpios_SOURCES = \
+ $(top_srcdir)/cmd/zpios/zpios.h \
+ $(top_srcdir)/cmd/zpios/zpios_main.c \
+ $(top_srcdir)/cmd/zpios/zpios_util.c
diff --git a/cmd/zpios/zpios.h b/cmd/zpios/zpios.h
new file mode 100644
index 000000000..01c2a9b6c
--- /dev/null
+++ b/cmd/zpios/zpios.h
@@ -0,0 +1,117 @@
+/*
+ * This file is part of the ZFS Linux port.
+ *
+ * Copyright (c) 2008 Lawrence Livermore National Security, LLC.
+ * Produced at Lawrence Livermore National Laboratory
+ * Written by:
+ * Brian Behlendorf <[email protected]>,
+ * Herb Wartens <[email protected]>,
+ * Jim Garlick <[email protected]>
+ * LLNL-CODE-403049
+ *
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+#ifndef _ZPIOS_H
+#define _ZPIOS_H
+
+#include <kpios-ctl.h>
+
+#define VERSION_SIZE 64
+
+/* Regular expressions */
+#define REGEX_NUMBERS "^[0-9]*[0-9]$"
+#define REGEX_NUMBERS_COMMA "^([0-9]+,)*[0-9]+$"
+#define REGEX_SIZE "^[0-9][0-9]*[kmgt]$"
+#define REGEX_SIZE_COMMA "^([0-9][0-9]*[kmgt]+,)*[0-9][0-9]*[kmgt]$"
+
+/* Flags for low, high, incr */
+#define FLAG_SET 0x01
+#define FLAG_LOW 0x02
+#define FLAG_HIGH 0x04
+#define FLAG_INCR 0x08
+
+#define TRUE 1
+#define FALSE 0
+
+#define KB (1024)
+#define MB (KB * 1024)
+#define GB (MB * 1024)
+#define TB (GB * 1024)
+
+/* All offsets, sizes and counts can be passed to the application in
+ * multiple ways.
+ * 1. a value (stored in val[0], val_count will be 1)
+ * 2. a comma separated list of values (stored in val[], using val_count)
+ * 3. a range and block sizes, low, high, factor (val_count must be 0)
+ */
+typedef struct pios_range_repeat {
+ uint64_t val[32]; /* Comma sep array, or low, high, inc */
+ uint64_t val_count; /* Num of values */
+ uint64_t val_low;
+ uint64_t val_high;
+ uint64_t val_inc_perc;
+ uint64_t next_val; /* Used for multiple runs in get_next() */
+} range_repeat_t;
+
+typedef struct cmd_args {
+ range_repeat_t T; /* Thread count */
+ range_repeat_t N; /* Region count */
+ range_repeat_t O; /* Offset count */
+ range_repeat_t C; /* Chunksize */
+ range_repeat_t S; /* Regionsize */
+
+ const char *pool; /* Pool */
+ uint32_t flags; /* Flags */
+ uint32_t io_type; /* DMUIO only */
+ uint32_t verbose; /* Verbose */
+ uint32_t human_readable; /* Human readable output */
+
+ uint64_t regionnoise; /* Region noise */
+ uint64_t chunknoise; /* Chunk noise */
+ uint64_t thread_delay; /* Thread delay */
+
+ char pre[KPIOS_PATH_SIZE]; /* Pre-exec hook */
+ char post[KPIOS_PATH_SIZE]; /* Post-exec hook */
+ char log[KPIOS_PATH_SIZE]; /* Requested log dir */
+
+ /* Control */
+ int current_id;
+ uint64_t current_T;
+ uint64_t current_N;
+ uint64_t current_C;
+ uint64_t current_S;
+ uint64_t current_O;
+
+ uint32_t rc;
+} cmd_args_t;
+
+int set_count(char *pattern1, char *pattern2, range_repeat_t *range,
+ char *optarg, uint32_t *flags, char *arg);
+int set_lhi(char *pattern, range_repeat_t *range, char *optarg,
+ int flag, uint32_t *flag_thread, char *arg);
+int set_noise(uint64_t *noise, char *optarg, char *arg);
+int set_load_params(cmd_args_t *args, char *optarg);
+int check_mutual_exclusive_command_lines(uint32_t flag, char *arg);
+void print_stats_header(void);
+void print_stats(cmd_args_t *args, kpios_cmd_t *cmd);
+
+#endif /* _ZPIOS_H */
diff --git a/cmd/zpios/zpios_main.c b/cmd/zpios/zpios_main.c
new file mode 100644
index 000000000..e1e988680
--- /dev/null
+++ b/cmd/zpios/zpios_main.c
@@ -0,0 +1,619 @@
+/*
+ * This file is part of the ZFS Linux port.
+ *
+ * Copyright (c) 2008 Lawrence Livermore National Security, LLC.
+ * Produced at Lawrence Livermore National Laboratory
+ * Written by:
+ * Brian Behlendorf <[email protected]>,
+ * Herb Wartens <[email protected]>,
+ * Jim Garlick <[email protected]>
+ * LLNL-CODE-403049
+ *
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ * Kernel PIOS DMU implemenation originally derived from PIOS test code.
+ * Character control interface derived from SPL code.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <getopt.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include "zpios.h"
+
+static const char short_opt[] = "t:l:h:e:n:i:j:k:c:u:a:b:g:L:P:R:I:"
+ "G:T:Vzs:A:B:C:o:m:q:r:fwxdp:v?";
+static const struct option long_opt[] = {
+ {"chunksize", required_argument, 0, 'c' },
+ {"chunksize_low", required_argument, 0, 'a' },
+ {"chunksize_high", required_argument, 0, 'b' },
+ {"chunksize_incr", required_argument, 0, 'g' },
+ {"offset", required_argument, 0, 'o' },
+ {"offset_low", required_argument, 0, 'm' },
+ {"offset_high", required_argument, 0, 'q' },
+ {"offset_incr", required_argument, 0, 'r' },
+ {"regioncount", required_argument, 0, 'n' },
+ {"regioncount_low", required_argument, 0, 'i' },
+ {"regioncount_high", required_argument, 0, 'j' },
+ {"regioncount_incr", required_argument, 0, 'k' },
+ {"threadcount", required_argument, 0, 't' },
+ {"threadcount_low", required_argument, 0, 'l' },
+ {"threadcount_high", required_argument, 0, 'h' },
+ {"threadcount_incr", required_argument, 0, 'e' },
+ {"regionsize", required_argument, 0, 's' },
+ {"regionsize_low", required_argument, 0, 'A' },
+ {"regionsize_high", required_argument, 0, 'B' },
+ {"regionsize_incr", required_argument, 0, 'C' },
+ {"cleanup", no_argument, 0, 'x' },
+ {"verify", no_argument, 0, 'V' },
+ {"zerocopy", no_argument, 0, 'z' },
+ {"threaddelay", required_argument, 0, 'T' },
+ {"regionnoise", required_argument, 0, 'I' },
+ {"chunknoise", required_argument, 0, 'N' },
+ {"prerun", required_argument, 0, 'P' },
+ {"postrun", required_argument, 0, 'R' },
+ {"log", required_argument, 0, 'G' },
+ {"path", required_argument, 0, 'p' },
+ {"pool", required_argument, 0, 'p' },
+ {"load", required_argument, 0, 'L' },
+ {"human-readable", no_argument, 0, 'H' },
+ {"help", no_argument, 0, '?' },
+ {"verbose", no_argument, 0, 'v' },
+ { 0, 0, 0, 0 },
+};
+
+static int zpiosctl_fd; /* Control file descriptor */
+static char zpios_version[VERSION_SIZE]; /* Kernel version string */
+static char *zpios_buffer = NULL; /* Scratch space area */
+static int zpios_buffer_size = 0; /* Scratch space size */
+
+static int
+usage(void)
+{
+ fprintf(stderr, "Usage: zpios\n");
+ fprintf(stderr,
+ " --chunksize -c =values\n"
+ " --chunksize_low -a =value\n"
+ " --chunksize_high -b =value\n"
+ " --chunksize_incr -g =value\n"
+ " --offset -o =values\n"
+ " --offset_low -m =value\n"
+ " --offset_high -q =value\n"
+ " --offset_incr -r =value\n"
+ " --regioncount -n =values\n"
+ " --regioncount_low -i =value\n"
+ " --regioncount_high -j =value\n"
+ " --regioncount_incr -k =value\n"
+ " --threadcount -t =values\n"
+ " --threadcount_low -l =value\n"
+ " --threadcount_high -h =value\n"
+ " --threadcount_incr -e =value\n"
+ " --regionsize -s =values\n"
+ " --regionsize_low -A =value\n"
+ " --regionsize_high -B =value\n"
+ " --regionsize_incr -C =value\n"
+ " --cleanup -x\n"
+ " --verify -V\n"
+ " --zerocopy -z\n"
+ " --threaddelay -T =jiffies\n"
+ " --regionnoise -I =shift\n"
+ " --chunknoise -N =bytes\n"
+ " --prerun -P =pre-command\n"
+ " --postrun -R =post-command\n"
+ " --log -G =log directory\n"
+ " --pool | --path -p =pool name\n"
+ " --load -L =dmuio\n"
+ " --human-readable -H\n"
+ " --help -? =this help\n"
+ " --verbose -v =increase verbosity\n\n");
+
+ return 0;
+}
+
+static void args_fini(cmd_args_t *args)
+{
+ assert(args != NULL);
+ free(args);
+}
+
+static cmd_args_t *
+args_init(int argc, char **argv)
+{
+ cmd_args_t *args;
+ uint32_t fl_th = 0;
+ uint32_t fl_rc = 0;
+ uint32_t fl_of = 0;
+ uint32_t fl_rs = 0;
+ uint32_t fl_cs = 0;
+ int c, rc;
+
+ if (argc == 1) {
+ usage();
+ return (cmd_args_t *)NULL;
+ }
+
+ /* Configure and populate the args structures */
+ args = malloc(sizeof(*args));
+ if (args == NULL)
+ return NULL;
+
+ memset(args, 0, sizeof(*args));
+
+ while ((c=getopt_long(argc, argv, short_opt, long_opt, NULL)) != -1) {
+ rc = 0;
+
+ switch (c) {
+ case 'v': /* --verbose */
+ args->verbose++;
+ break;
+ case 't': /* --thread count */
+ rc = set_count(REGEX_NUMBERS, REGEX_NUMBERS_COMMA,
+ &args->T, optarg, &fl_th, "threadcount");
+ break;
+ case 'l': /* --threadcount_low */
+ rc = set_lhi(REGEX_NUMBERS, &args->T, optarg,
+ FLAG_LOW, &fl_th, "threadcount_low");
+ break;
+ case 'h': /* --threadcount_high */
+ rc = set_lhi(REGEX_NUMBERS, &args->T, optarg,
+ FLAG_HIGH, &fl_th, "threadcount_high");
+ break;
+ case 'e': /* --threadcount_inc */
+ rc = set_lhi(REGEX_NUMBERS, &args->T, optarg,
+ FLAG_INCR, &fl_th, "threadcount_incr");
+ break;
+ case 'n': /* --regioncount */
+ rc = set_count(REGEX_NUMBERS, REGEX_NUMBERS_COMMA,
+ &args->N, optarg, &fl_rc, "regioncount");
+ break;
+ case 'i': /* --regioncount_low */
+ rc = set_lhi(REGEX_NUMBERS, &args->N, optarg,
+ FLAG_LOW, &fl_rc, "regioncount_low");
+ break;
+ case 'j': /* --regioncount_high */
+ rc = set_lhi(REGEX_NUMBERS, &args->N, optarg,
+ FLAG_HIGH, &fl_rc, "regioncount_high");
+ break;
+ case 'k': /* --regioncount_inc */
+ rc = set_lhi(REGEX_NUMBERS, &args->N, optarg,
+ FLAG_INCR, &fl_rc, "regioncount_incr");
+ break;
+ case 'o': /* --offset */
+ rc = set_count(REGEX_SIZE, REGEX_SIZE_COMMA,
+ &args->O, optarg, &fl_of, "offset");
+ break;
+ case 'm': /* --offset_low */
+ rc = set_lhi(REGEX_SIZE, &args->O, optarg,
+ FLAG_LOW, &fl_of, "offset_low");
+ break;
+ case 'q': /* --offset_high */
+ rc = set_lhi(REGEX_SIZE, &args->O, optarg,
+ FLAG_HIGH, &fl_of, "offset_high");
+ break;
+ case 'r': /* --offset_inc */
+ rc = set_lhi(REGEX_NUMBERS, &args->O, optarg,
+ FLAG_INCR, &fl_of, "offset_incr");
+ break;
+ case 'c': /* --chunksize */
+ rc = set_count(REGEX_SIZE, REGEX_SIZE_COMMA,
+ &args->C, optarg, &fl_cs, "chunksize");
+ break;
+ case 'a': /* --chunksize_low */
+ rc = set_lhi(REGEX_SIZE, &args->C, optarg,
+ FLAG_LOW, &fl_cs, "chunksize_low");
+ break;
+ case 'b': /* --chunksize_high */
+ rc = set_lhi(REGEX_SIZE, &args->C, optarg,
+ FLAG_HIGH, &fl_cs, "chunksize_high");
+ break;
+ case 'g': /* --chunksize_inc */
+ rc = set_lhi(REGEX_NUMBERS, &args->C, optarg,
+ FLAG_INCR, &fl_cs, "chunksize_incr");
+ break;
+ case 's': /* --regionsize */
+ rc = set_count(REGEX_SIZE, REGEX_SIZE_COMMA,
+ &args->S, optarg, &fl_rs, "regionsize");
+ break;
+ case 'A': /* --regionsize_low */
+ rc = set_lhi(REGEX_SIZE, &args->S, optarg,
+ FLAG_LOW, &fl_rs, "regionsize_low");
+ break;
+ case 'B': /* --regionsize_high */
+ rc = set_lhi(REGEX_SIZE, &args->S, optarg,
+ FLAG_HIGH, &fl_rs, "regionsize_high");
+ break;
+ case 'C': /* --regionsize_inc */
+ rc = set_lhi(REGEX_NUMBERS, &args->S, optarg,
+ FLAG_INCR, &fl_rs, "regionsize_incr");
+ break;
+ case 'L': /* --load */
+ rc = set_load_params(args, optarg);
+ break;
+ case 'p': /* --pool */
+ args->pool = optarg;
+ break;
+ case 'x': /* --cleanup */
+ args->flags |= DMU_REMOVE;
+ break;
+ case 'P': /* --prerun */
+ strncpy(args->pre, optarg, KPIOS_PATH_SIZE - 1);
+ break;
+ case 'R': /* --postrun */
+ strncpy(args->post, optarg, KPIOS_PATH_SIZE - 1);
+ break;
+ case 'G': /* --log */
+ strncpy(args->log, optarg, KPIOS_PATH_SIZE - 1);
+ break;
+ case 'I': /* --regionnoise */
+ rc = set_noise(&args->regionnoise, optarg, "regionnoise");
+ break;
+ case 'N': /* --chunknoise */
+ rc = set_noise(&args->chunknoise, optarg, "chunknoise");
+ break;
+ case 'T': /* --threaddelay */
+ rc = set_noise(&args->thread_delay, optarg, "threaddelay");
+ break;
+ case 'V': /* --verify */
+ args->flags |= DMU_VERIFY;
+ break;
+ case 'z': /* --verify */
+ args->flags |= (DMU_WRITE_ZC | DMU_READ_ZC);
+ break;
+ case 'H':
+ args->human_readable = 1;
+ break;
+ case '?':
+ rc = 1;
+ break;
+ default:
+ fprintf(stderr,"Unknown option '%s'\n",argv[optind-1]);
+ rc = EINVAL;
+ break;
+ }
+
+ if (rc) {
+ usage();
+ args_fini(args);
+ return NULL;
+ }
+ }
+
+ check_mutual_exclusive_command_lines(fl_th, "threadcount");
+ check_mutual_exclusive_command_lines(fl_rc, "regioncount");
+ check_mutual_exclusive_command_lines(fl_of, "offset");
+ check_mutual_exclusive_command_lines(fl_rs, "regionsize");
+ check_mutual_exclusive_command_lines(fl_cs, "chunksize");
+
+ if (args->pool == NULL) {
+ fprintf(stderr, "Error: Pool not specificed\n");
+ usage();
+ args_fini(args);
+ return NULL;
+ }
+
+ if ((args->flags & (DMU_WRITE_ZC | DMU_READ_ZC)) &&
+ (args->flags & DMU_VERIFY)) {
+ fprintf(stderr, "Error, --zerocopy incompatible --verify, "
+ "used for performance analysis only\n");
+ usage();
+ args_fini(args);
+ return NULL;
+ }
+
+ return args;
+}
+
+static int
+dev_clear(void)
+{
+ kpios_cfg_t cfg;
+ int rc;
+
+ memset(&cfg, 0, sizeof(cfg));
+ cfg.cfg_magic = KPIOS_CFG_MAGIC;
+ cfg.cfg_cmd = KPIOS_CFG_BUFFER_CLEAR;
+ cfg.cfg_arg1 = 0;
+
+ rc = ioctl(zpiosctl_fd, KPIOS_CFG, &cfg);
+ if (rc)
+ fprintf(stderr, "Ioctl() error %lu / %d: %d\n",
+ (unsigned long) KPIOS_CFG, cfg.cfg_cmd, errno);
+
+ lseek(zpiosctl_fd, 0, SEEK_SET);
+
+ return rc;
+}
+
+/* Passing a size of zero simply results in querying the current size */
+static int
+dev_size(int size)
+{
+ kpios_cfg_t cfg;
+ int rc;
+
+ memset(&cfg, 0, sizeof(cfg));
+ cfg.cfg_magic = KPIOS_CFG_MAGIC;
+ cfg.cfg_cmd = KPIOS_CFG_BUFFER_SIZE;
+ cfg.cfg_arg1 = size;
+
+ rc = ioctl(zpiosctl_fd, KPIOS_CFG, &cfg);
+ if (rc) {
+ fprintf(stderr, "Ioctl() error %lu / %d: %d\n",
+ (unsigned long) KPIOS_CFG, cfg.cfg_cmd, errno);
+ return rc;
+ }
+
+ return cfg.cfg_rc1;
+}
+
+static void
+dev_fini(void)
+{
+ if (zpios_buffer)
+ free(zpios_buffer);
+
+ if (zpiosctl_fd != -1) {
+ if (close(zpiosctl_fd) == -1) {
+ fprintf(stderr, "Unable to close %s: %d\n",
+ KPIOS_DEV, errno);
+ }
+ }
+}
+
+static int
+dev_init(void)
+{
+ int rc;
+
+ zpiosctl_fd = open(KPIOS_DEV, O_RDONLY);
+ if (zpiosctl_fd == -1) {
+ fprintf(stderr, "Unable to open %s: %d\n"
+ "Is the zpios module loaded?\n", KPIOS_DEV, errno);
+ rc = errno;
+ goto error;
+ }
+
+ if ((rc = dev_clear()))
+ goto error;
+
+ if ((rc = dev_size(0)) < 0)
+ goto error;
+
+ zpios_buffer_size = rc;
+ zpios_buffer = (char *)malloc(zpios_buffer_size);
+ if (zpios_buffer == NULL) {
+ rc = ENOMEM;
+ goto error;
+ }
+
+ memset(zpios_buffer, 0, zpios_buffer_size);
+ return 0;
+error:
+ if (zpiosctl_fd != -1) {
+ if (close(zpiosctl_fd) == -1) {
+ fprintf(stderr, "Unable to close %s: %d\n",
+ KPIOS_DEV, errno);
+ }
+ }
+
+ return rc;
+}
+
+static int
+get_next(uint64_t *val, range_repeat_t *range)
+{
+ int i;
+
+ /* if low, incr, high is given */
+ if (range->val_count == 0) {
+ *val = (range->val_low) +
+ (range->val_low * range->next_val / 100);
+
+ if (*val > range->val_high)
+ return 0; /* No more values, limit exceeded */
+
+ if (!range->next_val)
+ range->next_val = range->val_inc_perc;
+ else
+ range->next_val = range->next_val+range->val_inc_perc;
+
+ return 1; /* more values to come */
+
+ /* if only one val is given */
+ } else if (range->val_count == 1) {
+ if (range->next_val)
+ return 0; /* No more values, we only have one */
+
+ *val = range->val[0];
+ range->next_val = 1;
+ return 1; /* more values to come */
+
+ /* if comma separated values are given */
+ } else if (range->val_count > 1) {
+ if (range->next_val > range->val_count - 1)
+ return 0; /* No more values, limit exceeded */
+
+ *val = range->val[range->next_val];
+ range->next_val++;
+ return 1; /* more values to come */
+ }
+
+ return 0;
+}
+
+static int
+run_one(cmd_args_t *args, uint32_t id, uint32_t T, uint32_t N,
+ uint64_t C, uint64_t S, uint64_t O)
+{
+ kpios_cmd_t *cmd;
+ int rc, rc2, cmd_size;
+
+ dev_clear();
+
+ cmd_size = sizeof(kpios_cmd_t) + ((T + N + 1) * sizeof(kpios_stats_t));
+ cmd = (kpios_cmd_t *)malloc(cmd_size);
+ if (cmd == NULL)
+ return ENOMEM;
+
+ memset(cmd, 0, cmd_size);
+ cmd->cmd_magic = KPIOS_CMD_MAGIC;
+ strncpy(cmd->cmd_pool, args->pool, KPIOS_NAME_SIZE - 1);
+ strncpy(cmd->cmd_pre, args->pre, KPIOS_PATH_SIZE - 1);
+ strncpy(cmd->cmd_post, args->post, KPIOS_PATH_SIZE - 1);
+ strncpy(cmd->cmd_log, args->log, KPIOS_PATH_SIZE - 1);
+ cmd->cmd_id = id;
+ cmd->cmd_chunk_size = C;
+ cmd->cmd_thread_count = T;
+ cmd->cmd_region_count = N;
+ cmd->cmd_region_size = S;
+ cmd->cmd_offset = O;
+ cmd->cmd_region_noise = args->regionnoise;
+ cmd->cmd_chunk_noise = args->chunknoise;
+ cmd->cmd_thread_delay = args->thread_delay;
+ cmd->cmd_flags = args->flags;
+ cmd->cmd_data_size = (T + N + 1) * sizeof(kpios_stats_t);
+
+ rc = ioctl(zpiosctl_fd, KPIOS_CMD, cmd);
+ if (rc)
+ args->rc = errno;
+
+ print_stats(args, cmd);
+
+ if (args->verbose) {
+ rc2 = read(zpiosctl_fd, zpios_buffer, zpios_buffer_size - 1);
+ if (rc2 < 0) {
+ fprintf(stdout, "Error reading results: %d\n", rc2);
+ } else if ((rc2 > 0) && (strlen(zpios_buffer) > 0)) {
+ fprintf(stdout, "\n%s\n", zpios_buffer);
+ fflush(stdout);
+ }
+ }
+
+ free(cmd);
+
+ return rc;
+}
+
+static int
+run_offsets(cmd_args_t *args)
+{
+ int rc = 0;
+
+ while (rc == 0 && get_next(&args->current_O, &args->O)) {
+ rc = run_one(args, args->current_id,
+ args->current_T, args->current_N, args->current_C,
+ args->current_S, args->current_O);
+ args->current_id++;
+ }
+
+ args->O.next_val = 0;
+ return rc;
+}
+
+static int
+run_region_counts(cmd_args_t *args)
+{
+ int rc = 0;
+
+ while (rc == 0 && get_next((uint64_t *)&args->current_N, &args->N))
+ rc = run_offsets(args);
+
+ args->N.next_val = 0;
+ return rc;
+}
+
+static int
+run_region_sizes(cmd_args_t *args)
+{
+ int rc = 0;
+
+ while (rc == 0 && get_next(&args->current_S, &args->S)) {
+ if (args->current_S < args->current_C) {
+ fprintf(stderr, "Error: in any run chunksize can "
+ "not be smaller than regionsize.\n");
+ return EINVAL;
+ }
+
+ rc = run_region_counts(args);
+ }
+
+ args->S.next_val = 0;
+ return rc;
+}
+
+static int
+run_chunk_sizes(cmd_args_t *args)
+{
+ int rc = 0;
+
+ while (rc == 0 && get_next(&args->current_C, &args->C)) {
+ rc = run_region_sizes(args);
+ }
+
+ args->C.next_val = 0;
+ return rc;
+}
+
+static int
+run_thread_counts(cmd_args_t *args)
+{
+ int rc = 0;
+
+ while (rc == 0 && get_next((uint64_t *)&args->current_T, &args->T))
+ rc = run_chunk_sizes(args);
+
+ return rc;
+}
+
+int
+main(int argc, char **argv)
+{
+ cmd_args_t *args;
+ int rc = 0;
+
+ /* Argument init and parsing */
+ if ((args = args_init(argc, argv)) == NULL) {
+ rc = -1;
+ goto out;
+ }
+
+ /* Device specific init */
+ if ((rc = dev_init()))
+ goto out;
+
+ /* Generic kernel version string */
+ if (args->verbose)
+ fprintf(stdout, "%s", zpios_version);
+
+ print_stats_header();
+ rc = run_thread_counts(args);
+out:
+ if (args != NULL)
+ args_fini(args);
+
+ dev_fini();
+ return rc;
+}
diff --git a/cmd/zpios/zpios_util.c b/cmd/zpios/zpios_util.c
new file mode 100644
index 000000000..4d7e52d64
--- /dev/null
+++ b/cmd/zpios/zpios_util.c
@@ -0,0 +1,440 @@
+/*
+ * This file is part of the ZFS Linux port.
+ *
+ * Copyright (c) 2008 Lawrence Livermore National Security, LLC.
+ * Produced at Lawrence Livermore National Laboratory
+ * Written by:
+ * Brian Behlendorf <[email protected]>,
+ * Herb Wartens <[email protected]>,
+ * Jim Garlick <[email protected]>
+ * LLNL-CODE-403049
+ *
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License"). You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ *
+ * Kernel PIOS DMU implemenation originally derived from PIOS test code.
+ * Character control interface derived from SPL code.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <assert.h>
+#include <regex.h>
+#include "zpios.h"
+
+/* extracts an unsigned int (64) and K,M,G,T from the string */
+/* and returns a 64 bit value converted to the proper units */
+static int
+kmgt_to_uint64(const char *str, uint64_t *val)
+{
+ char *endptr;
+ int rc = 0;
+
+ *val = strtoll(str, &endptr, 0);
+ if ((str == endptr) && (*val == 0))
+ return EINVAL;
+
+ switch (endptr[0]) {
+ case 'k': case 'K':
+ *val = (*val) << 10;
+ break;
+ case 'm': case 'M':
+ *val = (*val) << 20;
+ break;
+ case 'g': case 'G':
+ *val = (*val) << 30;
+ break;
+ case 't': case 'T':
+ *val = (*val) << 40;
+ break;
+ case '\0':
+ break;
+ default:
+ rc = EINVAL;
+ }
+
+ return rc;
+}
+
+static char *
+uint64_to_kmgt(char *str, uint64_t val)
+{
+ char postfix[] = "kmgt";
+ int i = -1;
+
+ while ((val >= KB) && (i < 4)) {
+ val = (val >> 10);
+ i++;
+ }
+
+ if (i >= 4)
+ sprintf(str, "inf");
+ else
+ sprintf(str, "%lu%c", (unsigned long)val,
+ (i == -1) ? '\0' : postfix[i]);
+
+ return str;
+}
+
+static char *
+kmgt_per_sec(char *str, uint64_t v, double t)
+{
+ char postfix[] = "kmgt";
+ double val = ((double)v) / t;
+ int i = -1;
+
+ while ((val >= (double)KB) && (i < 4)) {
+ val /= (double)KB;
+ i++;
+ }
+
+ if (i >= 4)
+ sprintf(str, "inf");
+ else
+ sprintf(str, "%.2f%c", val,
+ (i == -1) ? '\0' : postfix[i]);
+
+ return str;
+}
+
+static char *
+print_flags(char *str, uint32_t flags)
+{
+ str[0] = (flags & DMU_WRITE) ? 'w' : '-';
+ str[1] = (flags & DMU_READ) ? 'r' : '-';
+ str[2] = (flags & DMU_VERIFY) ? 'v' : '-';
+ str[3] = (flags & DMU_REMOVE) ? 'c' : '-';
+ str[4] = (flags & DMU_FPP) ? 'p' : 's';
+ str[5] = (flags & (DMU_WRITE_ZC | DMU_READ_ZC)) ? 'z' : '-';
+ str[6] = '\0';
+
+ return str;
+}
+
+static double
+timespec_to_double(struct timespec t)
+{
+ return ((double)(t.tv_sec) +
+ ((double)(t.tv_nsec) / (double)(1000*1000*1000)));
+}
+
+static int
+regex_match(const char *string, char *pattern)
+{
+ regex_t re;
+ int rc;
+
+ rc = regcomp(&re, pattern, REG_EXTENDED | REG_NOSUB | REG_ICASE);
+ if (rc) {
+ fprintf(stderr, "Error: Couldn't do regcomp, %d\n", rc);
+ return rc;
+ }
+
+ rc = regexec(&re, string, (size_t) 0, NULL, 0);
+ regfree(&re);
+
+ return rc;
+}
+
+/* fills the pios_range_repeat structure of comma separated values */
+static int
+split_string(const char *optarg, char *pattern, range_repeat_t *range)
+{
+ const char comma[] = ",";
+ char *cp, *token[32];
+ int rc, i = 0;
+
+ if ((rc = regex_match(optarg, pattern)))
+ return rc;
+
+ cp = strdup(optarg);
+ if (cp == NULL)
+ return ENOMEM;
+
+ do {
+ /* STRTOK(3) Each subsequent call, with a null pointer as the
+ * value of the * first argument, starts searching from the
+ * saved pointer and behaves as described above.
+ */
+ token[i] = strtok(cp, comma);
+ cp = NULL;
+ } while ((token[i++] != NULL) && (i < 32));
+
+ range->val_count = i - 1;
+
+ for (i = 0; i < range->val_count; i++)
+ kmgt_to_uint64(token[i], &range->val[i]);
+
+ free(cp);
+ return 0;
+}
+
+int
+set_count(char *pattern1, char *pattern2, range_repeat_t *range,
+ char *optarg, uint32_t *flags, char *arg)
+{
+ if (flags)
+ *flags |= FLAG_SET;
+
+ range->next_val = 0;
+
+ if (regex_match(optarg, pattern1) == 0) {
+ kmgt_to_uint64(optarg, &range->val[0]);
+ range->val_count = 1;
+ } else if (split_string(optarg, pattern2, range) < 0) {
+ fprintf(stderr, "Error: Incorrect pattern for %s, '%s'\n",
+ arg, optarg);
+ return EINVAL;
+ }
+
+ return 0;
+}
+
+/* validates the value with regular expression and sets low, high, incr
+ * according to value at which flag will be set. Sets the flag after. */
+int
+set_lhi(char *pattern, range_repeat_t *range, char *optarg,
+ int flag, uint32_t *flag_thread, char *arg)
+{
+ int rc;
+
+ if ((rc = regex_match(optarg, pattern))) {
+ fprintf(stderr, "Error: Wrong pattern in %s, '%s'\n",
+ arg, optarg);
+ return rc;
+ }
+
+ switch (flag) {
+ case FLAG_LOW:
+ kmgt_to_uint64(optarg, &range->val_low);
+ break;
+ case FLAG_HIGH:
+ kmgt_to_uint64(optarg, &range->val_high);
+ break;
+ case FLAG_INCR:
+ kmgt_to_uint64(optarg, &range->val_inc_perc);
+ break;
+ default:
+ assert(0);
+ }
+
+ *flag_thread |= flag;
+
+ return 0;
+}
+
+int
+set_noise(uint64_t *noise, char *optarg, char *arg)
+{
+ if (regex_match(optarg, REGEX_NUMBERS) == 0) {
+ kmgt_to_uint64(optarg, noise);
+ } else {
+ fprintf(stderr, "Error: Incorrect pattern for %s\n", arg);
+ return EINVAL;
+ }
+
+ return 0;
+}
+
+int
+set_load_params(cmd_args_t *args, char *optarg)
+{
+ char *param, *search, comma[] = ",";
+ int rc = 0;
+
+ search = strdup(optarg);
+ if (search == NULL)
+ return ENOMEM;
+
+ while ((param = strtok(search, comma)) != NULL) {
+ search = NULL;
+
+ if (strcmp("fpp", param) == 0) {
+ args->flags |= DMU_FPP; /* File Per Process/Thread */
+ } else if (strcmp("sff", param) == 0) {
+ args->flags &= ~DMU_FPP; /* Shared Shared File */
+ } else if (strcmp("dmuio", param) == 0) {
+ args->io_type |= DMU_IO;
+ args->flags |= (DMU_WRITE | DMU_READ);
+ } else {
+ fprintf(stderr, "Invalid load: %s\n", param);
+ rc = EINVAL;
+ }
+ }
+
+ free(search);
+
+ return rc;
+}
+
+
+/* checks the low, high, increment values against the single value for
+ * mutual exclusion, for e.g threadcount is mutually exclusive to
+ * threadcount_low, ..._high, ..._incr */
+int
+check_mutual_exclusive_command_lines(uint32_t flag, char *arg)
+{
+ if ((flag & FLAG_SET) && (flag & (FLAG_LOW | FLAG_HIGH | FLAG_INCR))) {
+ fprintf(stderr, "Error: --%s can not be given with --%s_low, "
+ "--%s_high or --%s_incr.\n", arg, arg, arg, arg);
+ return 0;
+ }
+
+ if ((flag & (FLAG_LOW | FLAG_HIGH | FLAG_INCR)) && !(flag & FLAG_SET)) {
+ if (flag != (FLAG_LOW | FLAG_HIGH | FLAG_INCR)) {
+ fprintf(stderr, "Error: One or more values missing "
+ "from --%s_low, --%s_high, --%s_incr.\n",
+ arg, arg, arg);
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+void
+print_stats_header(void)
+{
+ printf("ret-code id\tth-cnt\trg-cnt\trg-sz\tch-sz\toffset\trg-no\tch-no\t"
+ "th-dly\tflags\ttime\tcr-time\trm-time\twr-time\t"
+ "rd-time\twr-data\twr-ch\twr-bw\trd-data\trd-ch\trd-bw\n");
+ printf("------------------------------------------------------------"
+ "------------------------------------------------------------"
+ "-----------------------------------------------------------\n");
+}
+
+static void
+print_stats_human_readable(cmd_args_t *args, kpios_cmd_t *cmd)
+{
+ kpios_stats_t *summary_stats;
+ double t_time, wr_time, rd_time, cr_time, rm_time;
+ char str[16];
+
+ if (args->rc)
+ printf("FAILED: %3d ", args->rc);
+ else
+ printf("PASSED: %3d ", args->rc);
+
+ printf("%u\t", cmd->cmd_id);
+ printf("%u\t", cmd->cmd_thread_count);
+ printf("%u\t", cmd->cmd_region_count);
+ printf("%s\t", uint64_to_kmgt(str, cmd->cmd_region_size));
+ printf("%s\t", uint64_to_kmgt(str, cmd->cmd_chunk_size));
+ printf("%s\t", uint64_to_kmgt(str, cmd->cmd_offset));
+ printf("%s\t", uint64_to_kmgt(str, cmd->cmd_region_noise));
+ printf("%s\t", uint64_to_kmgt(str, cmd->cmd_chunk_noise));
+ printf("%s\t", uint64_to_kmgt(str, cmd->cmd_thread_delay));
+ printf("%s\t", print_flags(str, cmd->cmd_flags));
+
+ if (args->rc) {
+ printf("\n");
+ return;
+ }
+
+ summary_stats = (kpios_stats_t *)cmd->cmd_data_str;
+ t_time = timespec_to_double(summary_stats->total_time.delta);
+ wr_time = timespec_to_double(summary_stats->wr_time.delta);
+ rd_time = timespec_to_double(summary_stats->rd_time.delta);
+ cr_time = timespec_to_double(summary_stats->cr_time.delta);
+ rm_time = timespec_to_double(summary_stats->rm_time.delta);
+
+ printf("%.2f\t", t_time);
+ printf("%.3f\t", cr_time);
+ printf("%.3f\t", rm_time);
+ printf("%.2f\t", wr_time);
+ printf("%.2f\t", rd_time);
+
+ printf("%s\t", uint64_to_kmgt(str, summary_stats->wr_data));
+ printf("%s\t", uint64_to_kmgt(str, summary_stats->wr_chunks));
+ printf("%s\t", kmgt_per_sec(str, summary_stats->wr_data, wr_time));
+
+ printf("%s\t", uint64_to_kmgt(str, summary_stats->rd_data));
+ printf("%s\t", uint64_to_kmgt(str, summary_stats->rd_chunks));
+ printf("%s\n", kmgt_per_sec(str, summary_stats->rd_data, rd_time));
+ fflush(stdout);
+}
+
+static void
+print_stats_table(cmd_args_t *args, kpios_cmd_t *cmd)
+{
+ kpios_stats_t *summary_stats;
+ double wr_time, rd_time;
+
+ if (args->rc)
+ printf("FAILED: %3d ", args->rc);
+ else
+ printf("PASSED: %3d ", args->rc);
+
+ printf("%u\t", cmd->cmd_id);
+ printf("%u\t", cmd->cmd_thread_count);
+ printf("%u\t", cmd->cmd_region_count);
+ printf("%llu\t", (long long unsigned)cmd->cmd_region_size);
+ printf("%llu\t", (long long unsigned)cmd->cmd_chunk_size);
+ printf("%llu\t", (long long unsigned)cmd->cmd_offset);
+ printf("%u\t", cmd->cmd_region_noise);
+ printf("%u\t", cmd->cmd_chunk_noise);
+ printf("%u\t", cmd->cmd_thread_delay);
+ printf("0x%x\t", cmd->cmd_flags);
+
+ if (args->rc) {
+ printf("\n");
+ return;
+ }
+
+ summary_stats = (kpios_stats_t *)cmd->cmd_data_str;
+ wr_time = timespec_to_double(summary_stats->wr_time.delta);
+ rd_time = timespec_to_double(summary_stats->rd_time.delta);
+
+ printf("%ld.%02ld\t",
+ summary_stats->total_time.delta.tv_sec,
+ summary_stats->total_time.delta.tv_nsec);
+ printf("%ld.%02ld\t",
+ summary_stats->cr_time.delta.tv_sec,
+ summary_stats->cr_time.delta.tv_nsec);
+ printf("%ld.%02ld\t",
+ summary_stats->rm_time.delta.tv_sec,
+ summary_stats->rm_time.delta.tv_nsec);
+ printf("%ld.%02ld\t",
+ summary_stats->wr_time.delta.tv_sec,
+ summary_stats->wr_time.delta.tv_nsec);
+ printf("%ld.%02ld\t",
+ summary_stats->rd_time.delta.tv_sec,
+ summary_stats->rd_time.delta.tv_nsec);
+
+ printf("%lld\t", (long long unsigned)summary_stats->wr_data);
+ printf("%lld\t", (long long unsigned)summary_stats->wr_chunks);
+ printf("%.4f\t", (double)summary_stats->wr_data / wr_time);
+
+ printf("%lld\t", (long long unsigned)summary_stats->rd_data);
+ printf("%lld\t", (long long unsigned)summary_stats->rd_chunks);
+ printf("%.4f\n", (double)summary_stats->rd_data / rd_time);
+ fflush(stdout);
+}
+
+void
+print_stats(cmd_args_t *args, kpios_cmd_t *cmd)
+{
+ if (args->human_readable)
+ print_stats_human_readable(args, cmd);
+ else
+ print_stats_table(args, cmd);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 04:04:17 +0000