Ejemplo n.º 1
0
/*
 * 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_lock 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];
#ifdef CONFIG_ZONE_DMA
	mem_data->pgalloc    += ev[PGALLOC_DMA];
#endif
	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++;
#ifdef APPLDATA_DEBUG
	appldata_debug_print(mem_data);
#endif
}
Ejemplo n.º 2
0
/*
 * 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_lock and can use static
	 */
	static struct sysinfo val;
	static struct page_state ps;
	struct appldata_mem_data *mem_data;

	mem_data = data;
	mem_data->sync_count_1++;

	get_full_page_state(&ps);
	mem_data->pgpgin     = ps.pgpgin >> 1;
	mem_data->pgpgout    = ps.pgpgout >> 1;
	mem_data->pswpin     = ps.pswpin;
	mem_data->pswpout    = ps.pswpout;
	mem_data->pgalloc    = ps.pgalloc_high + ps.pgalloc_normal +
			       ps.pgalloc_dma;
	mem_data->pgfault    = ps.pgfault;
	mem_data->pgmajfault = ps.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(atomic_read(&nr_pagecache) - 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++;
#ifdef APPLDATA_DEBUG
	appldata_debug_print(mem_data);
#endif
}