diff options
Diffstat (limited to 'xlators/performance/io-threads/src')
| -rw-r--r-- | xlators/performance/io-threads/src/Makefile.am | 14 | ||||
| -rw-r--r-- | xlators/performance/io-threads/src/io-threads.c | 1254 | ||||
| -rw-r--r-- | xlators/performance/io-threads/src/io-threads.h | 99 |
3 files changed, 1367 insertions, 0 deletions
diff --git a/xlators/performance/io-threads/src/Makefile.am b/xlators/performance/io-threads/src/Makefile.am new file mode 100644 index 000000000..38dea3eb7 --- /dev/null +++ b/xlators/performance/io-threads/src/Makefile.am @@ -0,0 +1,14 @@ +xlator_LTLIBRARIES = io-threads.la +xlatordir = $(libdir)/glusterfs/$(PACKAGE_VERSION)/xlator/performance + +io_threads_la_LDFLAGS = -module -avoidversion + +io_threads_la_SOURCES = io-threads.c +io_threads_la_LIBADD = $(top_builddir)/libglusterfs/src/libglusterfs.la + +noinst_HEADERS = io-threads.h + +AM_CFLAGS = -fPIC -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -Wall -D$(GF_HOST_OS)\ + -I$(top_srcdir)/libglusterfs/src -shared -nostartfiles $(GF_CFLAGS) + +CLEANFILES = diff --git a/xlators/performance/io-threads/src/io-threads.c b/xlators/performance/io-threads/src/io-threads.c new file mode 100644 index 000000000..5acdd627d --- /dev/null +++ b/xlators/performance/io-threads/src/io-threads.c @@ -0,0 +1,1254 @@ +/* + Copyright (c) 2006, 2007, 2008, 2009 Z RESEARCH, Inc. <http://www.zresearch.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#include "call-stub.h" +#include "glusterfs.h" +#include "logging.h" +#include "dict.h" +#include "xlator.h" +#include "io-threads.h" + +static void +iot_queue (iot_worker_t *worker, + call_stub_t *stub); + +static call_stub_t * +iot_dequeue (iot_worker_t *worker); + +static iot_worker_t * +iot_schedule (iot_conf_t *conf, + iot_file_t *file, + ino_t ino) +{ + int32_t cnt = (ino % conf->thread_count); + iot_worker_t *trav = conf->workers.next; + + for (; cnt; cnt--) + trav = trav->next; + + if (file) + file->worker = trav; + trav->fd_count++; + return trav; +} + +int32_t +iot_open_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + fd_t *fd) +{ + iot_conf_t *conf = this->private; + + if (op_ret >= 0) { + iot_file_t *file = CALLOC (1, sizeof (*file)); + ERR_ABORT (file); + + iot_schedule (conf, file, fd->inode->ino); + file->fd = fd; + + fd_ctx_set (fd, this, (uint64_t)(long)file); + + pthread_mutex_lock (&conf->files_lock); + file->next = &conf->files; + file->prev = file->next->prev; + file->next->prev = file; + file->prev->next = file; + pthread_mutex_unlock (&conf->files_lock); + } + STACK_UNWIND (frame, op_ret, op_errno, fd); + return 0; +} + +int32_t +iot_open (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t flags, + fd_t *fd) +{ + STACK_WIND (frame, + iot_open_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->open, + loc, + flags, + fd); + return 0; +} + + +int32_t +iot_create_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + fd_t *fd, + inode_t *inode, + struct stat *stbuf) +{ + iot_conf_t *conf = this->private; + + if (op_ret >= 0) { + iot_file_t *file = CALLOC (1, sizeof (*file)); + ERR_ABORT (file); + + iot_schedule (conf, file, fd->inode->ino); + file->fd = fd; + + fd_ctx_set (fd, this, (uint64_t)(long)file); + + pthread_mutex_lock (&conf->files_lock); + file->next = &conf->files; + file->prev = file->next->prev; + file->next->prev = file; + file->prev->next = file; + pthread_mutex_unlock (&conf->files_lock); + } + STACK_UNWIND (frame, op_ret, op_errno, fd, inode, stbuf); + return 0; +} + +int32_t +iot_create (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t flags, + mode_t mode, + fd_t *fd) +{ + STACK_WIND (frame, + iot_create_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->create, + loc, + flags, + mode, + fd); + return 0; +} + + + +int32_t +iot_readv_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct iovec *vector, + int32_t count, + struct stat *stbuf) +{ + iot_local_t *local = frame->local; + + local->frame_size = 0; //iov_length (vector, count); + + STACK_UNWIND (frame, op_ret, op_errno, vector, count, stbuf); + + return 0; +} + +static int32_t +iot_readv_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + size_t size, + off_t offset) +{ + STACK_WIND (frame, + iot_readv_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->readv, + fd, + size, + offset); + return 0; +} + +int32_t +iot_readv (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + size_t size, + off_t offset) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + + stub = fop_readv_stub (frame, + iot_readv_wrapper, + fd, + size, + offset); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, + "cannot get readv call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL, 0); + return 0; + } + + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_flush_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + STACK_UNWIND (frame, op_ret, op_errno); + return 0; +} + +static int32_t +iot_flush_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd) +{ + STACK_WIND (frame, + iot_flush_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->flush, + fd); + return 0; +} + +int32_t +iot_flush (call_frame_t *frame, + xlator_t *this, + fd_t *fd) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + + frame->local = local; + + stub = fop_flush_stub (frame, + iot_flush_wrapper, + fd); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get flush_cbk call stub"); + STACK_UNWIND (frame, -1, ENOMEM); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_fsync_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + STACK_UNWIND (frame, op_ret, op_errno); + return 0; +} + +static int32_t +iot_fsync_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + int32_t datasync) +{ + STACK_WIND (frame, + iot_fsync_cbk, + FIRST_CHILD (this), + FIRST_CHILD (this)->fops->fsync, + fd, + datasync); + return 0; +} + +int32_t +iot_fsync (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + int32_t datasync) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + + frame->local = local; + + stub = fop_fsync_stub (frame, + iot_fsync_wrapper, + fd, + datasync); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fsync_cbk call stub"); + STACK_UNWIND (frame, -1, ENOMEM); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_writev_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *stbuf) +{ + iot_local_t *local = frame->local; + + local->frame_size = 0; /* hehe, caught me! */ + + STACK_UNWIND (frame, op_ret, op_errno, stbuf); + return 0; +} + +static int32_t +iot_writev_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + struct iovec *vector, + int32_t count, + off_t offset) +{ + STACK_WIND (frame, + iot_writev_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->writev, + fd, + vector, + count, + offset); + return 0; +} + +int32_t +iot_writev (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + struct iovec *vector, + int32_t count, + off_t offset) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + + if (frame->root->req_refs) + local->frame_size = dict_serialized_length (frame->root->req_refs); + else + local->frame_size = iov_length (vector, count); + frame->local = local; + + stub = fop_writev_stub (frame, iot_writev_wrapper, + fd, vector, count, offset); + + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get writev call stub"); + STACK_UNWIND (frame, -1, ENOMEM); + return 0; + } + + iot_queue (worker, stub); + + return 0; +} + + +int32_t +iot_lk_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct flock *flock) +{ + STACK_UNWIND (frame, op_ret, op_errno, flock); + return 0; +} + + +static int32_t +iot_lk_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + int32_t cmd, + struct flock *flock) +{ + STACK_WIND (frame, + iot_lk_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->lk, + fd, + cmd, + flock); + return 0; +} + + +int32_t +iot_lk (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + int32_t cmd, + struct flock *flock) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + + stub = fop_lk_stub (frame, iot_lk_wrapper, + fd, cmd, flock); + + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_lk call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL); + return 0; + } + + iot_queue (worker, stub); + + return 0; +} + + +int32_t +iot_stat_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *buf) +{ + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; +} + + +static int32_t +iot_stat_wrapper (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + STACK_WIND (frame, + iot_stat_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->stat, + loc); + return 0; +} + +int32_t +iot_stat (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_worker_t *worker = NULL; + iot_conf_t *conf; + fd_t *fd = NULL; + + conf = this->private; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + + fd = fd_lookup (loc->inode, frame->root->pid); + + if (fd == NULL) { + STACK_WIND(frame, + iot_stat_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->stat, + loc); + return 0; + } + + fd_unref (fd); + + worker = iot_schedule (conf, NULL, loc->inode->ino); + + stub = fop_stat_stub (frame, + iot_stat_wrapper, + loc); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_stat call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + + +int32_t +iot_fstat_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *buf) +{ + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; +} + +static int32_t +iot_fstat_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd) +{ + STACK_WIND (frame, + iot_fstat_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->fstat, + fd); + return 0; +} + +int32_t +iot_fstat (call_frame_t *frame, + xlator_t *this, + fd_t *fd) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + stub = fop_fstat_stub (frame, + iot_fstat_wrapper, + fd); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_fstat call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL); + return 0; + } + + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_truncate_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *buf) +{ + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; +} + +static int32_t +iot_truncate_wrapper (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + off_t offset) +{ + STACK_WIND (frame, + iot_truncate_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->truncate, + loc, + offset); + return 0; +} + +int32_t +iot_truncate (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + off_t offset) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_worker_t *worker = NULL; + iot_conf_t *conf; + fd_t *fd = NULL; + + conf = this->private; + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + + fd = fd_lookup (loc->inode, frame->root->pid); + + if (fd == NULL) { + STACK_WIND(frame, + iot_truncate_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->truncate, + loc, + offset); + return 0; + } + + fd_unref (fd); + + worker = iot_schedule (conf, NULL, loc->inode->ino); + + stub = fop_truncate_stub (frame, + iot_truncate_wrapper, + loc, + offset); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_stat call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_ftruncate_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *buf) +{ + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; +} + +static int32_t +iot_ftruncate_wrapper (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + off_t offset) +{ + STACK_WIND (frame, + iot_ftruncate_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->ftruncate, + fd, + offset); + return 0; +} + +int32_t +iot_ftruncate (call_frame_t *frame, + xlator_t *this, + fd_t *fd, + off_t offset) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_file_t *file = NULL; + iot_worker_t *worker = NULL; + uint64_t tmp_file = 0; + + if (fd_ctx_get (fd, this, &tmp_file)) { + gf_log (this->name, GF_LOG_ERROR, + "fd context is NULL, returning EBADFD"); + STACK_UNWIND (frame, -1, EBADFD); + return 0; + } + + file = (iot_file_t *)(long)tmp_file; + worker = file->worker; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + + stub = fop_ftruncate_stub (frame, + iot_ftruncate_wrapper, + fd, + offset); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_ftruncate call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_utimens_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + struct stat *buf) +{ + STACK_UNWIND (frame, op_ret, op_errno, buf); + return 0; +} + +static int32_t +iot_utimens_wrapper (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + struct timespec tv[2]) +{ + STACK_WIND (frame, + iot_utimens_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->utimens, + loc, + tv); + + return 0; +} + +int32_t +iot_utimens (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + struct timespec tv[2]) +{ + call_stub_t *stub; + iot_local_t *local = NULL; + iot_worker_t *worker = NULL; + iot_conf_t *conf; + fd_t *fd = NULL; + + conf = this->private; + + local = CALLOC (1, sizeof (*local)); + ERR_ABORT (local); + frame->local = local; + + fd = fd_lookup (loc->inode, frame->root->pid); + + if (fd == NULL) { + STACK_WIND(frame, + iot_utimens_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->utimens, + loc, + tv); + return 0; + } + + fd_unref (fd); + + worker = iot_schedule (conf, NULL, loc->inode->ino); + + stub = fop_utimens_stub (frame, + iot_utimens_wrapper, + loc, + tv); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_utimens call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + + +int32_t +iot_checksum_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno, + uint8_t *file_checksum, + uint8_t *dir_checksum) +{ + STACK_UNWIND (frame, op_ret, op_errno, file_checksum, dir_checksum); + return 0; +} + +static int32_t +iot_checksum_wrapper (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t flags) +{ + STACK_WIND (frame, + iot_checksum_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->checksum, + loc, + flags); + + return 0; +} + +int32_t +iot_checksum (call_frame_t *frame, + xlator_t *this, + loc_t *loc, + int32_t flags) +{ + call_stub_t *stub = NULL; + iot_local_t *local = NULL; + iot_worker_t *worker = NULL; + iot_conf_t *conf = NULL; + + conf = this->private; + + local = CALLOC (1, sizeof (*local)); + frame->local = local; + + worker = iot_schedule (conf, NULL, conf->misc_thread_index++); + + stub = fop_checksum_stub (frame, + iot_checksum_wrapper, + loc, + flags); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_checksum call stub"); + STACK_UNWIND (frame, -1, ENOMEM, NULL, NULL); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + + +int32_t +iot_unlink_cbk (call_frame_t *frame, + void *cookie, + xlator_t *this, + int32_t op_ret, + int32_t op_errno) +{ + STACK_UNWIND (frame, op_ret, op_errno); + return 0; +} + +static int32_t +iot_unlink_wrapper (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + STACK_WIND (frame, + iot_unlink_cbk, + FIRST_CHILD(this), + FIRST_CHILD(this)->fops->unlink, + loc); + + return 0; +} + +int32_t +iot_unlink (call_frame_t *frame, + xlator_t *this, + loc_t *loc) +{ + call_stub_t *stub = NULL; + iot_local_t *local = NULL; + iot_worker_t *worker = NULL; + iot_conf_t *conf = NULL; + + conf = this->private; + + local = CALLOC (1, sizeof (*local)); + frame->local = local; + + worker = iot_schedule (conf, NULL, conf->misc_thread_index++); + + stub = fop_unlink_stub (frame, iot_unlink_wrapper, loc); + if (!stub) { + gf_log (this->name, GF_LOG_ERROR, "cannot get fop_unlink call stub"); + STACK_UNWIND (frame, -1, ENOMEM); + return 0; + } + iot_queue (worker, stub); + + return 0; +} + +int32_t +iot_release (xlator_t *this, + fd_t *fd) +{ + iot_file_t *file = NULL; + iot_conf_t *conf = NULL; + uint64_t tmp_file = 0; + int ret = 0; + + conf = this->private; + ret = fd_ctx_del (fd, this, &tmp_file); + if (ret) + return 0; + + file = (iot_file_t *)(long)tmp_file; + + pthread_mutex_lock (&conf->files_lock); + { + (file->prev)->next = file->next; + (file->next)->prev = file->prev; + } + pthread_mutex_unlock (&conf->files_lock); + + FREE (file); + return 0; +} + + +static void +iot_queue (iot_worker_t *worker, + call_stub_t *stub) +{ + iot_queue_t *queue; + iot_conf_t *conf = worker->conf; + iot_local_t *local = stub->frame->local; + size_t frame_size = local->frame_size; + + queue = CALLOC (1, sizeof (*queue)); + ERR_ABORT (queue); + queue->stub = stub; + + pthread_mutex_lock (&conf->lock); + + /* + while (worker->queue_size >= worker->queue_limit) + pthread_cond_wait (&worker->q_cond, &worker->lock); + */ + if (conf->cache_size) { + while (frame_size && (conf->current_size >= conf->cache_size)) + pthread_cond_wait (&conf->q_cond, &conf->lock); + } + + queue->next = &worker->queue; + queue->prev = worker->queue.prev; + + queue->next->prev = queue; + queue->prev->next = queue; + + /* dq_cond */ + worker->queue_size++; + worker->q++; + + conf->current_size += local->frame_size; + + pthread_cond_broadcast (&worker->dq_cond); + + pthread_mutex_unlock (&conf->lock); +} + +static call_stub_t * +iot_dequeue (iot_worker_t *worker) +{ + call_stub_t *stub = NULL; + iot_queue_t *queue = NULL; + iot_conf_t *conf = worker->conf; + iot_local_t *local = NULL; + + + pthread_mutex_lock (&conf->lock); + + while (!worker->queue_size) + /* + pthread_cond_wait (&worker->dq_cond, &worker->lock); + */ + pthread_cond_wait (&worker->dq_cond, &conf->lock); + + queue = worker->queue.next; + + queue->next->prev = queue->prev; + queue->prev->next = queue->next; + + stub = queue->stub; + local = stub->frame->local; + + worker->queue_size--; + worker->dq++; + + /* q_cond */ + conf->current_size -= local->frame_size; + + pthread_cond_broadcast (&conf->q_cond); + + pthread_mutex_unlock (&conf->lock); + + FREE (queue); + + return stub; +} + +static void * +iot_worker (void *arg) +{ + iot_worker_t *worker = arg; + + while (1) { + call_stub_t *stub; + + stub = iot_dequeue (worker); + call_resume (stub); + } +} + +#if 0 +static void * +iot_reply (void *arg) +{ + iot_worker_t *reply = arg; + + while (1) { + call_stub_t *stub; + + stub = iot_dequeue (reply); + FREE (stub->frame->local); + stub->frame->local = NULL; + call_resume (stub); + } +} +#endif + +static void +workers_init (iot_conf_t *conf) +{ + int i; + + conf->workers.next = &conf->workers; + conf->workers.prev = &conf->workers; + + for (i=0; i<conf->thread_count; i++) { + + iot_worker_t *worker = CALLOC (1, sizeof (*worker)); + ERR_ABORT (worker); + + worker->next = &conf->workers; + worker->prev = conf->workers.prev; + worker->next->prev = worker; + worker->prev->next = worker; + + worker->queue.next = &worker->queue; + worker->queue.prev = &worker->queue; + + /* + pthread_mutex_init (&worker->lock, NULL); + pthread_cond_init (&worker->q_cond, NULL); + */ + pthread_cond_init (&worker->dq_cond, NULL); + + /* + worker->queue_limit = conf->queue_limit; + */ + + worker->conf = conf; + + pthread_create (&worker->thread, NULL, iot_worker, worker); + } +} + +int32_t +init (xlator_t *this) +{ + iot_conf_t *conf; + dict_t *options = this->options; + + if (!this->children || this->children->next) { + gf_log ("io-threads", + GF_LOG_ERROR, + "FATAL: iot not configured with exactly one child"); + return -1; + } + + if (!this->parents) { + gf_log (this->name, GF_LOG_WARNING, + "dangling volume. check volfile "); + } + + conf = (void *) CALLOC (1, sizeof (*conf)); + ERR_ABORT (conf); + + conf->thread_count = 1; + + if (dict_get (options, "thread-count")) { + conf->thread_count = data_to_int32 (dict_get (options, + "thread-count")); + gf_log ("io-threads", + GF_LOG_DEBUG, + "Using conf->thread_count = %d", + conf->thread_count); + } + + pthread_mutex_init (&conf->lock, NULL); + pthread_cond_init (&conf->q_cond, NULL); + + conf->files.next = &conf->files; + conf->files.prev = &conf->files; + pthread_mutex_init (&conf->files_lock, NULL); + + workers_init (conf); + + this->private = conf; + return 0; +} + +void +fini (xlator_t *this) +{ + iot_conf_t *conf = this->private; + + FREE (conf); + + this->private = NULL; + return; +} + +struct xlator_fops fops = { + .open = iot_open, + .create = iot_create, + .readv = iot_readv, + .writev = iot_writev, + .flush = iot_flush, + .fsync = iot_fsync, + .lk = iot_lk, + .stat = iot_stat, + .fstat = iot_fstat, + .truncate = iot_truncate, + .ftruncate = iot_ftruncate, + .utimens = iot_utimens, + .checksum = iot_checksum, + .unlink = iot_unlink, +}; + +struct xlator_mops mops = { +}; + +struct xlator_cbks cbks = { + .release = iot_release, +}; + +struct volume_options options[] = { + { .key = {"thread-count"}, + .type = GF_OPTION_TYPE_INT, + .min = 1, + .max = 32 + }, + { .key = {NULL} }, +}; diff --git a/xlators/performance/io-threads/src/io-threads.h b/xlators/performance/io-threads/src/io-threads.h new file mode 100644 index 000000000..6595d3e27 --- /dev/null +++ b/xlators/performance/io-threads/src/io-threads.h @@ -0,0 +1,99 @@ +/* + Copyright (c) 2006, 2007, 2008 Z RESEARCH, Inc. <http://www.zresearch.com> + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see + <http://www.gnu.org/licenses/>. +*/ + +#ifndef __IOT_H +#define __IOT_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + + +#include "compat-errno.h" +#include "glusterfs.h" +#include "logging.h" +#include "dict.h" +#include "xlator.h" +#include "common-utils.h" + +#define min(a,b) ((a)<(b)?(a):(b)) +#define max(a,b) ((a)>(b)?(a):(b)) + +struct iot_conf; +struct iot_worker; +struct iot_queue; +struct iot_local; +struct iot_file; + +struct iot_local { + struct iot_file *file; + size_t frame_size; +}; + +struct iot_queue { + struct iot_queue *next, *prev; + call_stub_t *stub; +}; + +struct iot_worker { + struct iot_worker *next, *prev; + struct iot_queue queue; + struct iot_conf *conf; + int64_t q,dq; + pthread_cond_t dq_cond; + /* + pthread_cond_t q_cond; + pthread_mutex_t lock; + */ + int32_t fd_count; + int32_t queue_size; + /* + int32_t queue_limit; + */ + pthread_t thread; +}; + +struct iot_file { + struct iot_file *next, *prev; /* all open files via this xlator */ + struct iot_worker *worker; + fd_t *fd; + int32_t pending_ops; +}; + +struct iot_conf { + int32_t thread_count; + int32_t misc_thread_index; /* Used to schedule the miscellaneous calls like checksum */ + struct iot_worker workers; + struct iot_file files; + pthread_mutex_t files_lock; + + uint64_t cache_size; + off_t current_size; + pthread_cond_t q_cond; + pthread_mutex_t lock; +}; + +typedef struct iot_file iot_file_t; +typedef struct iot_conf iot_conf_t; +typedef struct iot_local iot_local_t; +typedef struct iot_worker iot_worker_t; +typedef struct iot_queue iot_queue_t; + +#endif /* __IOT_H */ |