diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/fscache/stats.c')
| -rw-r--r-- | ANDROID_3.4.5/fs/fscache/stats.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/ANDROID_3.4.5/fs/fscache/stats.c b/ANDROID_3.4.5/fs/fscache/stats.c deleted file mode 100644 index 4765190d..00000000 --- a/ANDROID_3.4.5/fs/fscache/stats.c +++ /dev/null @@ -1,280 +0,0 @@ -/* FS-Cache statistics - * - * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. - * Written by David Howells (dhowells@redhat.com) - * - * This program 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 - * 2 of the License, or (at your option) any later version. - */ - -#define FSCACHE_DEBUG_LEVEL THREAD -#include <linux/module.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include "internal.h" - -/* - * operation counters - */ -atomic_t fscache_n_op_pend; -atomic_t fscache_n_op_run; -atomic_t fscache_n_op_enqueue; -atomic_t fscache_n_op_requeue; -atomic_t fscache_n_op_deferred_release; -atomic_t fscache_n_op_release; -atomic_t fscache_n_op_gc; -atomic_t fscache_n_op_cancelled; -atomic_t fscache_n_op_rejected; - -atomic_t fscache_n_attr_changed; -atomic_t fscache_n_attr_changed_ok; -atomic_t fscache_n_attr_changed_nobufs; -atomic_t fscache_n_attr_changed_nomem; -atomic_t fscache_n_attr_changed_calls; - -atomic_t fscache_n_allocs; -atomic_t fscache_n_allocs_ok; -atomic_t fscache_n_allocs_wait; -atomic_t fscache_n_allocs_nobufs; -atomic_t fscache_n_allocs_intr; -atomic_t fscache_n_allocs_object_dead; -atomic_t fscache_n_alloc_ops; -atomic_t fscache_n_alloc_op_waits; - -atomic_t fscache_n_retrievals; -atomic_t fscache_n_retrievals_ok; -atomic_t fscache_n_retrievals_wait; -atomic_t fscache_n_retrievals_nodata; -atomic_t fscache_n_retrievals_nobufs; -atomic_t fscache_n_retrievals_intr; -atomic_t fscache_n_retrievals_nomem; -atomic_t fscache_n_retrievals_object_dead; -atomic_t fscache_n_retrieval_ops; -atomic_t fscache_n_retrieval_op_waits; - -atomic_t fscache_n_stores; -atomic_t fscache_n_stores_ok; -atomic_t fscache_n_stores_again; -atomic_t fscache_n_stores_nobufs; -atomic_t fscache_n_stores_oom; -atomic_t fscache_n_store_ops; -atomic_t fscache_n_store_calls; -atomic_t fscache_n_store_pages; -atomic_t fscache_n_store_radix_deletes; -atomic_t fscache_n_store_pages_over_limit; - -atomic_t fscache_n_store_vmscan_not_storing; -atomic_t fscache_n_store_vmscan_gone; -atomic_t fscache_n_store_vmscan_busy; -atomic_t fscache_n_store_vmscan_cancelled; - -atomic_t fscache_n_marks; -atomic_t fscache_n_uncaches; - -atomic_t fscache_n_acquires; -atomic_t fscache_n_acquires_null; -atomic_t fscache_n_acquires_no_cache; -atomic_t fscache_n_acquires_ok; -atomic_t fscache_n_acquires_nobufs; -atomic_t fscache_n_acquires_oom; - -atomic_t fscache_n_updates; -atomic_t fscache_n_updates_null; -atomic_t fscache_n_updates_run; - -atomic_t fscache_n_relinquishes; -atomic_t fscache_n_relinquishes_null; -atomic_t fscache_n_relinquishes_waitcrt; -atomic_t fscache_n_relinquishes_retire; - -atomic_t fscache_n_cookie_index; -atomic_t fscache_n_cookie_data; -atomic_t fscache_n_cookie_special; - -atomic_t fscache_n_object_alloc; -atomic_t fscache_n_object_no_alloc; -atomic_t fscache_n_object_lookups; -atomic_t fscache_n_object_lookups_negative; -atomic_t fscache_n_object_lookups_positive; -atomic_t fscache_n_object_lookups_timed_out; -atomic_t fscache_n_object_created; -atomic_t fscache_n_object_avail; -atomic_t fscache_n_object_dead; - -atomic_t fscache_n_checkaux_none; -atomic_t fscache_n_checkaux_okay; -atomic_t fscache_n_checkaux_update; -atomic_t fscache_n_checkaux_obsolete; - -atomic_t fscache_n_cop_alloc_object; -atomic_t fscache_n_cop_lookup_object; -atomic_t fscache_n_cop_lookup_complete; -atomic_t fscache_n_cop_grab_object; -atomic_t fscache_n_cop_update_object; -atomic_t fscache_n_cop_drop_object; -atomic_t fscache_n_cop_put_object; -atomic_t fscache_n_cop_sync_cache; -atomic_t fscache_n_cop_attr_changed; -atomic_t fscache_n_cop_read_or_alloc_page; -atomic_t fscache_n_cop_read_or_alloc_pages; -atomic_t fscache_n_cop_allocate_page; -atomic_t fscache_n_cop_allocate_pages; -atomic_t fscache_n_cop_write_page; -atomic_t fscache_n_cop_uncache_page; -atomic_t fscache_n_cop_dissociate_pages; - -/* - * display the general statistics - */ -static int fscache_stats_show(struct seq_file *m, void *v) -{ - seq_puts(m, "FS-Cache statistics\n"); - - seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n", - atomic_read(&fscache_n_cookie_index), - atomic_read(&fscache_n_cookie_data), - atomic_read(&fscache_n_cookie_special)); - - seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n", - atomic_read(&fscache_n_object_alloc), - atomic_read(&fscache_n_object_no_alloc), - atomic_read(&fscache_n_object_avail), - atomic_read(&fscache_n_object_dead)); - seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n", - atomic_read(&fscache_n_checkaux_none), - atomic_read(&fscache_n_checkaux_okay), - atomic_read(&fscache_n_checkaux_update), - atomic_read(&fscache_n_checkaux_obsolete)); - - seq_printf(m, "Pages : mrk=%u unc=%u\n", - atomic_read(&fscache_n_marks), - atomic_read(&fscache_n_uncaches)); - - seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u" - " oom=%u\n", - atomic_read(&fscache_n_acquires), - atomic_read(&fscache_n_acquires_null), - atomic_read(&fscache_n_acquires_no_cache), - atomic_read(&fscache_n_acquires_ok), - atomic_read(&fscache_n_acquires_nobufs), - atomic_read(&fscache_n_acquires_oom)); - - seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n", - atomic_read(&fscache_n_object_lookups), - atomic_read(&fscache_n_object_lookups_negative), - atomic_read(&fscache_n_object_lookups_positive), - atomic_read(&fscache_n_object_created), - atomic_read(&fscache_n_object_lookups_timed_out)); - - seq_printf(m, "Updates: n=%u nul=%u run=%u\n", - atomic_read(&fscache_n_updates), - atomic_read(&fscache_n_updates_null), - atomic_read(&fscache_n_updates_run)); - - seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n", - atomic_read(&fscache_n_relinquishes), - atomic_read(&fscache_n_relinquishes_null), - atomic_read(&fscache_n_relinquishes_waitcrt), - atomic_read(&fscache_n_relinquishes_retire)); - - seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n", - atomic_read(&fscache_n_attr_changed), - atomic_read(&fscache_n_attr_changed_ok), - atomic_read(&fscache_n_attr_changed_nobufs), - atomic_read(&fscache_n_attr_changed_nomem), - atomic_read(&fscache_n_attr_changed_calls)); - - seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n", - atomic_read(&fscache_n_allocs), - atomic_read(&fscache_n_allocs_ok), - atomic_read(&fscache_n_allocs_wait), - atomic_read(&fscache_n_allocs_nobufs), - atomic_read(&fscache_n_allocs_intr)); - seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n", - atomic_read(&fscache_n_alloc_ops), - atomic_read(&fscache_n_alloc_op_waits), - atomic_read(&fscache_n_allocs_object_dead)); - - seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u" - " int=%u oom=%u\n", - atomic_read(&fscache_n_retrievals), - atomic_read(&fscache_n_retrievals_ok), - atomic_read(&fscache_n_retrievals_wait), - atomic_read(&fscache_n_retrievals_nodata), - atomic_read(&fscache_n_retrievals_nobufs), - atomic_read(&fscache_n_retrievals_intr), - atomic_read(&fscache_n_retrievals_nomem)); - seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n", - atomic_read(&fscache_n_retrieval_ops), - atomic_read(&fscache_n_retrieval_op_waits), - atomic_read(&fscache_n_retrievals_object_dead)); - - seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n", - atomic_read(&fscache_n_stores), - atomic_read(&fscache_n_stores_ok), - atomic_read(&fscache_n_stores_again), - atomic_read(&fscache_n_stores_nobufs), - atomic_read(&fscache_n_stores_oom)); - seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n", - atomic_read(&fscache_n_store_ops), - atomic_read(&fscache_n_store_calls), - atomic_read(&fscache_n_store_pages), - atomic_read(&fscache_n_store_radix_deletes), - atomic_read(&fscache_n_store_pages_over_limit)); - - seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u\n", - atomic_read(&fscache_n_store_vmscan_not_storing), - atomic_read(&fscache_n_store_vmscan_gone), - atomic_read(&fscache_n_store_vmscan_busy), - atomic_read(&fscache_n_store_vmscan_cancelled)); - - seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n", - atomic_read(&fscache_n_op_pend), - atomic_read(&fscache_n_op_run), - atomic_read(&fscache_n_op_enqueue), - atomic_read(&fscache_n_op_cancelled), - atomic_read(&fscache_n_op_rejected)); - seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n", - atomic_read(&fscache_n_op_deferred_release), - atomic_read(&fscache_n_op_release), - atomic_read(&fscache_n_op_gc)); - - seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n", - atomic_read(&fscache_n_cop_alloc_object), - atomic_read(&fscache_n_cop_lookup_object), - atomic_read(&fscache_n_cop_lookup_complete), - atomic_read(&fscache_n_cop_grab_object)); - seq_printf(m, "CacheOp: upo=%d dro=%d pto=%d atc=%d syn=%d\n", - atomic_read(&fscache_n_cop_update_object), - atomic_read(&fscache_n_cop_drop_object), - atomic_read(&fscache_n_cop_put_object), - atomic_read(&fscache_n_cop_attr_changed), - atomic_read(&fscache_n_cop_sync_cache)); - seq_printf(m, "CacheOp: rap=%d ras=%d alp=%d als=%d wrp=%d ucp=%d dsp=%d\n", - atomic_read(&fscache_n_cop_read_or_alloc_page), - atomic_read(&fscache_n_cop_read_or_alloc_pages), - atomic_read(&fscache_n_cop_allocate_page), - atomic_read(&fscache_n_cop_allocate_pages), - atomic_read(&fscache_n_cop_write_page), - atomic_read(&fscache_n_cop_uncache_page), - atomic_read(&fscache_n_cop_dissociate_pages)); - return 0; -} - -/* - * open "/proc/fs/fscache/stats" allowing provision of a statistical summary - */ -static int fscache_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, fscache_stats_show, NULL); -} - -const struct file_operations fscache_stats_fops = { - .owner = THIS_MODULE, - .open = fscache_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; |