diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c b/ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c deleted file mode 100644 index f7d3dc55..00000000 --- a/ANDROID_3.4.5/arch/s390/appldata/appldata_mem.c +++ /dev/null @@ -1,155 +0,0 @@ -/* - * arch/s390/appldata/appldata_mem.c - * - * Data gathering module for Linux-VM Monitor Stream, Stage 1. - * Collects data related to memory management. - * - * Copyright (C) 2003,2006 IBM Corporation, IBM Deutschland Entwicklung GmbH. - * - * Author: Gerald Schaefer <gerald.schaefer@de.ibm.com> - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/kernel_stat.h> -#include <linux/pagemap.h> -#include <linux/swap.h> -#include <asm/io.h> - -#include "appldata.h" - - -#define P2K(x) ((x) << (PAGE_SHIFT - 10)) /* Converts #Pages to KB */ - -/* - * Memory data - * - * This is accessed as binary data by z/VM. If changes to it can't be avoided, - * the structure version (product ID, see appldata_base.c) needs to be changed - * as well and all documentation and z/VM applications using it must be - * updated. - * - * The record layout is documented in the Linux for zSeries Device Drivers - * book: - * http://oss.software.ibm.com/developerworks/opensource/linux390/index.shtml - */ -static struct appldata_mem_data { - u64 timestamp; - u32 sync_count_1; /* after VM collected the record data, */ - u32 sync_count_2; /* sync_count_1 and sync_count_2 should be the - same. If not, the record has been updated on - the Linux side while VM was collecting the - (possibly corrupt) data */ - - u64 pgpgin; /* data read from disk */ - u64 pgpgout; /* data written to disk */ - u64 pswpin; /* pages swapped in */ - u64 pswpout; /* pages swapped out */ - - u64 sharedram; /* sharedram is currently set to 0 */ - - u64 totalram; /* total main memory size */ - u64 freeram; /* free main memory size */ - u64 totalhigh; /* total high memory size */ - u64 freehigh; /* free high memory size */ - - u64 bufferram; /* memory reserved for buffers, free cache */ - u64 cached; /* size of (used) cache, w/o buffers */ - u64 totalswap; /* total swap space size */ - u64 freeswap; /* free swap space */ - -// New in 2.6 --> - u64 pgalloc; /* page allocations */ - u64 pgfault; /* page faults (major+minor) */ - u64 pgmajfault; /* page faults (major only) */ -// <-- New in 2.6 - -} __attribute__((packed)) appldata_mem_data; - - -/* - * appldata_get_mem_data() - * - * gather memory data - */ -static void appldata_get_mem_data(void *data) -{ - /* - * don't put large structures on the stack, we are - * serialized through the appldata_ops_mutex and can use static - */ - static struct sysinfo val; - unsigned long ev[NR_VM_EVENT_ITEMS]; - struct appldata_mem_data *mem_data; - - mem_data = data; - mem_data->sync_count_1++; - - all_vm_events(ev); - mem_data->pgpgin = ev[PGPGIN] >> 1; - mem_data->pgpgout = ev[PGPGOUT] >> 1; - mem_data->pswpin = ev[PSWPIN]; - mem_data->pswpout = ev[PSWPOUT]; - mem_data->pgalloc = ev[PGALLOC_NORMAL]; - mem_data->pgalloc += ev[PGALLOC_DMA]; - mem_data->pgfault = ev[PGFAULT]; - mem_data->pgmajfault = ev[PGMAJFAULT]; - - si_meminfo(&val); - mem_data->sharedram = val.sharedram; - mem_data->totalram = P2K(val.totalram); - mem_data->freeram = P2K(val.freeram); - mem_data->totalhigh = P2K(val.totalhigh); - mem_data->freehigh = P2K(val.freehigh); - mem_data->bufferram = P2K(val.bufferram); - mem_data->cached = P2K(global_page_state(NR_FILE_PAGES) - - val.bufferram); - - si_swapinfo(&val); - mem_data->totalswap = P2K(val.totalswap); - mem_data->freeswap = P2K(val.freeswap); - - mem_data->timestamp = get_clock(); - mem_data->sync_count_2++; -} - - -static struct appldata_ops ops = { - .name = "mem", - .record_nr = APPLDATA_RECORD_MEM_ID, - .size = sizeof(struct appldata_mem_data), - .callback = &appldata_get_mem_data, - .data = &appldata_mem_data, - .owner = THIS_MODULE, - .mod_lvl = {0xF0, 0xF0}, /* EBCDIC "00" */ -}; - - -/* - * appldata_mem_init() - * - * init_data, register ops - */ -static int __init appldata_mem_init(void) -{ - return appldata_register_ops(&ops); -} - -/* - * appldata_mem_exit() - * - * unregister ops - */ -static void __exit appldata_mem_exit(void) -{ - appldata_unregister_ops(&ops); -} - - -module_init(appldata_mem_init); -module_exit(appldata_mem_exit); - -MODULE_LICENSE("GPL"); -MODULE_AUTHOR("Gerald Schaefer"); -MODULE_DESCRIPTION("Linux-VM Monitor Stream, MEMORY statistics"); |