static void mlog_vmstat(void)
{
int cpu;
unsigned long v[NR_VM_EVENT_ITEMS];
memset(v, 0, NR_VM_EVENT_ITEMS * sizeof(unsigned long));
for_each_online_cpu(cpu) {
struct vm_event_state *this = &per_cpu(vm_event_states, cpu);
v[PSWPIN] += this->event[PSWPIN];
v[PSWPOUT] += this->event[PSWPOUT];
v[PGFMFAULT] += this->event[PGFMFAULT];
// TODO: porting PGANFAULT to kernel-3.10
#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0))
v[PGANFAULT] += this->event[PGANFAULT];
#endif
}
spin_lock_bh(&mlogbuf_lock);
mlog_emit_32(v[PSWPIN]);
mlog_emit_32(v[PSWPOUT]);
mlog_emit_32(v[PGFMFAULT]);
// TODO: porting PGANFAULT to kernel-3.10
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,10,0))
mlog_emit_32(0);
#else
mlog_emit_32(v[PGANFAULT]);
#endif
spin_unlock_bh(&mlogbuf_lock);
}
static void mlog_meminfo(void)
{
unsigned long memfree;
unsigned long swapfree;
unsigned long cached;
unsigned int gpuuse = 0;
unsigned int gpu_page_cache = 0;
unsigned long mlock;
unsigned long zram;
unsigned long active, inactive;
unsigned long shmem;
memfree = P2K(global_page_state(NR_FREE_PAGES) + mtkpasr_show_page_reserved());
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 10, 0))
swapfree = P2K(get_nr_swap_pages());
cached = P2K(global_page_state(NR_FILE_PAGES) - total_swapcache_pages());
#else
swapfree = P2K(get_nr_swap_pages());
cached = P2K(global_page_state(NR_FILE_PAGES) - total_swapcache_pages);
#endif
#ifdef COLLECT_GPU_MEMINFO
if (mtk_get_gpu_memory_usage(&gpuuse))
gpuuse = B2K(gpuuse);
if (mtk_get_gpu_page_cache(&gpu_page_cache))
gpu_page_cache = B2K(gpu_page_cache);
#endif
mlock = P2K(global_page_state(NR_MLOCK));
#if defined(CONFIG_ZRAM) & defined(CONFIG_ZSMALLOC)
zram = (zram_devices && zram_devices->init_done && zram_devices->meta) ?
B2K(zs_get_total_size_bytes(zram_devices->meta->mem_pool)) : 0;
#else
zram = 0;
#endif
active = P2K(global_page_state(NR_ACTIVE_ANON) + global_page_state(NR_ACTIVE_FILE));
inactive = P2K(global_page_state(NR_INACTIVE_ANON) + global_page_state(NR_INACTIVE_FILE));
/* MLOG_PRINTK("active: %lu, inactive: %lu\n", active, inactive); */
shmem = P2K(global_page_state(NR_SHMEM));
spin_lock_bh(&mlogbuf_lock);
mlog_emit_32(memfree);
mlog_emit_32(swapfree);
mlog_emit_32(cached);
mlog_emit_32(gpuuse);
mlog_emit_32(gpu_page_cache);
mlog_emit_32(mlock);
mlog_emit_32(zram);
mlog_emit_32(active);
mlog_emit_32(inactive);
mlog_emit_32(shmem);
spin_unlock_bh(&mlogbuf_lock);
}
