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path: root/modules-available/statistics/templates/kvmstate.html
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<div class="col-md-6">
	<div class="panel panel-default">
		<div class="panel-heading">
			{{lang_kvmStats}}
		</div>
		<div class="panel-body">
			<div class="row">
				<div class="col-sm-6">
					<table class="stupidtable filter-col table table-condensed table-striped" data-filter-col="kvmstate">
						<thead>
							<tr>
								<th data-sort="string">{{lang_kvmState}}</th>
								<th data-sort="int" class="text-right">{{lang_machineCount}}</th>
							</tr>
						</thead>
						<tbody>
							{{#rows}}
							<tr id="kvm{{kvmstate}}">
								<td data-sort-value="{{kvmstate}}" class="text-left text-nowrap">
									<a class="filter-val" data-filter-val="{{kvmstate}}" href="?do=Statistics&amp;show=stat&amp;filters={{query}}~,~kvmstate={{kvmstate}}">{{kvmstate}}</a>
								</td>
								<td class="text-right">{{count}}</td>
							</tr>
							{{/rows}}
						</tbody>
					</table>
				</div>
				<div class="col-sm-6">
					<canvas id="kvmchart" style="width:100%;height:250px"></canvas>
					<script type="text/javascript">
						document.addEventListener("DOMContentLoaded", function() {
							var data = {{{json}}};
							var sel = false;
							new Chart(document.getElementById('kvmchart').getContext('2d')).Pie(data, { 
								animation: false,
								tooltipTemplate: "<%if (label){%><%=label%><%}%>",
								customTooltips: function(tooltip) {
									if (sel !== false) sel.removeClass('slx-bold');
									if (!tooltip) {
										sel = false;
										return;
									}
									sel = $('#kvm' + tooltip.text);
									sel.addClass('slx-bold');
								}
							});
						}, false);
					</script>
				</div>
			</div>
		</div>
	</div>
</div>
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-28 19:36:39 +0200
lass="hl opt">, refcount; spin_lock(&drivers_lock); refcount = atomic_read(&driver->refcount); WARN_ON(refcount < 0); if (refcount > 0) ret = -EBUSY; else list_del(&driver->list); spin_unlock(&drivers_lock); return ret; } EXPORT_SYMBOL(zpool_unregister_driver); /** * zpool_evict() - evict callback from a zpool implementation. * @pool: pool to evict from. * @handle: handle to evict. * * This can be used by zpool implementations to call the * user's evict zpool_ops struct evict callback. */ int zpool_evict(void *pool, unsigned long handle) { struct zpool *zpool; spin_lock(&pools_lock); list_for_each_entry(zpool, &pools_head, list) { if (zpool->pool == pool) { spin_unlock(&pools_lock); if (!zpool->ops || !zpool->ops->evict) return -EINVAL; return zpool->ops->evict(zpool, handle); } } spin_unlock(&pools_lock); return -ENOENT; } EXPORT_SYMBOL(zpool_evict); static struct zpool_driver *zpool_get_driver(char *type) { struct zpool_driver *driver; spin_lock(&drivers_lock); list_for_each_entry(driver, &drivers_head, list) { if (!strcmp(driver->type, type)) { bool got = try_module_get(driver->owner); if (got) atomic_inc(&driver->refcount); spin_unlock(&drivers_lock); return got ? driver : NULL; } } spin_unlock(&drivers_lock); return NULL; } static void zpool_put_driver(struct zpool_driver *driver) { atomic_dec(&driver->refcount); module_put(driver->owner); } /** * zpool_create_pool() - Create a new zpool * @type The type of the zpool to create (e.g. zbud, zsmalloc) * @gfp The GFP flags to use when allocating the pool. * @ops The optional ops callback. * * This creates a new zpool of the specified type. The gfp flags will be * used when allocating memory, if the implementation supports it. If the * ops param is NULL, then the created zpool will not be shrinkable. * * Implementations must guarantee this to be thread-safe. * * Returns: New zpool on success, NULL on failure. */ struct zpool *zpool_create_pool(char *type, gfp_t gfp, struct zpool_ops *ops) { struct zpool_driver *driver; struct zpool *zpool; pr_info("creating pool type %s\n", type); driver = zpool_get_driver(type); if (!driver) { request_module("zpool-%s", type); driver = zpool_get_driver(type); } if (!driver) { pr_err("no driver for type %s\n", type); return NULL; } zpool = kmalloc(sizeof(*zpool), gfp); if (!zpool) { pr_err("couldn't create zpool - out of memory\n"); zpool_put_driver(driver); return NULL; } zpool->type = driver->type; zpool->driver = driver; zpool->pool = driver->create(gfp, ops); zpool->ops = ops; if (!zpool->pool) { pr_err("couldn't create %s pool\n", type); zpool_put_driver(driver); kfree(zpool); return NULL; } pr_info("created %s pool\n", type); spin_lock(&pools_lock); list_add(&zpool->list, &pools_head); spin_unlock(&pools_lock); return zpool; } /** * zpool_destroy_pool() - Destroy a zpool * @pool The zpool to destroy. * * Implementations must guarantee this to be thread-safe, * however only when destroying different pools. The same * pool should only be destroyed once, and should not be used * after it is destroyed. * * This destroys an existing zpool. The zpool should not be in use. */ void zpool_destroy_pool(struct zpool *zpool) { pr_info("destroying pool type %s\n", zpool->type); spin_lock(&pools_lock); list_del(&zpool->list); spin_unlock(&pools_lock); zpool->driver->destroy(zpool->pool); zpool_put_driver(zpool->driver); kfree(zpool); } /** * zpool_get_type() - Get the type of the zpool * @pool The zpool to check * * This returns the type of the pool. * * Implementations must guarantee this to be thread-safe. * * Returns: The type of zpool. */ char *zpool_get_type(struct zpool *zpool) { return zpool->type; } /** * zpool_malloc() - Allocate memory * @pool The zpool to allocate from. * @size The amount of memory to allocate. * @gfp The GFP flags to use when allocating memory. * @handle Pointer to the handle to set * * This allocates the requested amount of memory from the pool. * The gfp flags will be used when allocating memory, if the * implementation supports it. The provided @handle will be * set to the allocated object handle. * * Implementations must guarantee this to be thread-safe. * * Returns: 0 on success, negative value on error. */ int zpool_malloc(struct zpool *zpool, size_t size, gfp_t gfp, unsigned long *handle) { return zpool->driver->malloc(zpool->pool, size, gfp, handle); } /** * zpool_free() - Free previously allocated memory * @pool The zpool that allocated the memory. * @handle The handle to the memory to free. * * This frees previously allocated memory. This does not guarantee * that the pool will actually free memory, only that the memory * in the pool will become available for use by the pool. * * Implementations must guarantee this to be thread-safe, * however only when freeing different handles. The same * handle should only be freed once, and should not be used * after freeing. */ void zpool_free(struct zpool *zpool, unsigned long handle) { zpool->driver->free(zpool->pool, handle); } /** * zpool_shrink() - Shrink the pool size * @pool The zpool to shrink. * @pages The number of pages to shrink the pool. * @reclaimed The number of pages successfully evicted. * * This attempts to shrink the actual memory size of the pool * by evicting currently used handle(s). If the pool was * created with no zpool_ops, or the evict call fails for any * of the handles, this will fail. If non-NULL, the @reclaimed * parameter will be set to the number of pages reclaimed, * which may be more than the number of pages requested. * * Implementations must guarantee this to be thread-safe. * * Returns: 0 on success, negative value on error/failure. */ int zpool_shrink(struct zpool *zpool, unsigned int pages, unsigned int *reclaimed) { return zpool->driver->shrink(zpool->pool, pages, reclaimed); } /** * zpool_map_handle() - Map a previously allocated handle into memory * @pool The zpool that the handle was allocated from * @handle The handle to map * @mm How the memory should be mapped * * This maps a previously allocated handle into memory. The @mm * param indicates to the implementation how the memory will be * used, i.e. read-only, write-only, read-write. If the * implementation does not support it, the memory will be treated * as read-write. * * This may hold locks, disable interrupts, and/or preemption, * and the zpool_unmap_handle() must be called to undo those * actions. The code that uses the mapped handle should complete * its operatons on the mapped handle memory quickly and unmap * as soon as possible. As the implementation may use per-cpu * data, multiple handles should not be mapped concurrently on * any cpu. * * Returns: A pointer to the handle's mapped memory area. */ void *zpool_map_handle(struct zpool *zpool, unsigned long handle, enum zpool_mapmode mapmode) { return zpool->driver->map(zpool->pool, handle, mapmode); } /** * zpool_unmap_handle() - Unmap a previously mapped handle * @pool The zpool that the handle was allocated from * @handle The handle to unmap * * This unmaps a previously mapped handle. Any locks or other * actions that the implementation took in zpool_map_handle() * will be undone here. The memory area returned from * zpool_map_handle() should no longer be used after this. */ void zpool_unmap_handle(struct zpool *zpool, unsigned long handle) { zpool->driver->unmap(zpool->pool, handle); } /** * zpool_get_total_size() - The total size of the pool * @pool The zpool to check * * This returns the total size in bytes of the pool. * * Returns: Total size of the zpool in bytes. */ u64 zpool_get_total_size(struct zpool *zpool) { return zpool->driver->total_size(zpool->pool); } static int __init init_zpool(void) { pr_info("loaded\n"); return 0; } static void __exit exit_zpool(void) { pr_info("unloaded\n"); } module_init(init_zpool); module_exit(exit_zpool); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Dan Streetman <ddstreet@ieee.org>"); MODULE_DESCRIPTION("Common API for compressed memory storage");
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-28 19:36:39 +0200