1e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project/* 2e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 3e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * 4e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 5e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * you may not use this file except in compliance with the License. 6e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * You may obtain a copy of the License at 7e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * 8e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 9e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * 10e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 11e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 12e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * See the License for the specific language governing permissions and 14e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project * limitations under the License. 15e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project */ 16e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 17e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <stdlib.h> 18e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <string.h> 19e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 20e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project#include <pagemap/pagemap.h> 21e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 22e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint pm_map_pagemap(pm_map_t *map, uint64_t **pagemap_out, size_t *len) { 23e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!map) 24e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return -1; 25e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 26e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return pm_process_pagemap_range(map->proc, map->start, map->end, 27e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pagemap_out, len); 28e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 29e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 303a1897792d0b5cc972d879af297ee5cfd095be68Colin Crossint pm_map_usage_flags(pm_map_t *map, pm_memusage_t *usage_out, 313a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross uint64_t flags_mask, uint64_t required_flags) { 32e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project uint64_t *pagemap; 33e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size_t len, i; 34e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project uint64_t count; 35e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pm_memusage_t usage; 36e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int error; 37e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 38e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!map || !usage_out) 39e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return -1; 40e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 41e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_map_pagemap(map, &pagemap, &len); 42e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) return error; 43e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 44e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pm_memusage_zero(&usage); 45e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 46e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project for (i = 0; i < len; i++) { 47ad0b50bf21b04d64d56213014565d6e92d1c562eColin Cross usage.vss += map->proc->ker->pagesize; 48ad0b50bf21b04d64d56213014565d6e92d1c562eColin Cross 49745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (!PM_PAGEMAP_PRESENT(pagemap[i])) 50e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project continue; 51e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 52745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (!PM_PAGEMAP_SWAPPED(pagemap[i])) { 53745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (flags_mask) { 54745b964daeacf44350db14bc343d53e319e696b8Colin Cross uint64_t flags; 55745b964daeacf44350db14bc343d53e319e696b8Colin Cross error = pm_kernel_flags(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 56745b964daeacf44350db14bc343d53e319e696b8Colin Cross &flags); 57745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (error) goto out; 583a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross 59745b964daeacf44350db14bc343d53e319e696b8Colin Cross if ((flags & flags_mask) != required_flags) 60745b964daeacf44350db14bc343d53e319e696b8Colin Cross continue; 61745b964daeacf44350db14bc343d53e319e696b8Colin Cross } 623a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross 63745b964daeacf44350db14bc343d53e319e696b8Colin Cross error = pm_kernel_count(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 64745b964daeacf44350db14bc343d53e319e696b8Colin Cross &count); 65745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (error) goto out; 66e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 67745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.rss += (count >= 1) ? map->proc->ker->pagesize : (0); 68745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.pss += (count >= 1) ? (map->proc->ker->pagesize / count) : (0); 69745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.uss += (count == 1) ? (map->proc->ker->pagesize) : (0); 70745b964daeacf44350db14bc343d53e319e696b8Colin Cross } else { 71745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.swap += map->proc->ker->pagesize; 72745b964daeacf44350db14bc343d53e319e696b8Colin Cross } 73e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 74e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 75e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memcpy(usage_out, &usage, sizeof(usage)); 76e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 77e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = 0; 78e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 79e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectout: 80e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(pagemap); 81e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 82e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return error; 83e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 84e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 853a1897792d0b5cc972d879af297ee5cfd095be68Colin Crossint pm_map_usage(pm_map_t *map, pm_memusage_t *usage_out) { 863a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross return pm_map_usage_flags(map, usage_out, 0, 0); 873a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross} 883a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross 89e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint pm_map_workingset(pm_map_t *map, pm_memusage_t *ws_out) { 90e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project uint64_t *pagemap; 91e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size_t len, i; 92e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project uint64_t count, flags; 93e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pm_memusage_t ws; 94e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int error; 95e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 96e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!map || !ws_out) 97e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return -1; 98e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 99e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_map_pagemap(map, &pagemap, &len); 100e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) return error; 101e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 102e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pm_memusage_zero(&ws); 103e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 104e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project for (i = 0; i < len; i++) { 105e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_kernel_flags(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 106e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project &flags); 107e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) goto out; 108e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 109e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!(flags & PM_PAGE_REFERENCED)) 110e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project continue; 111e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 112e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_kernel_count(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 113e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project &count); 114e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) goto out; 115e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 116e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.vss += map->proc->ker->pagesize; 11776e6cb55fed01824e44306aa0485a3f8f122b228Selim Gurun if( PM_PAGEMAP_SWAPPED(pagemap[i]) ) continue; 118e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.rss += (count >= 1) ? (map->proc->ker->pagesize) : (0); 119e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.pss += (count >= 1) ? (map->proc->ker->pagesize / count) : (0); 120e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.uss += (count == 1) ? (map->proc->ker->pagesize) : (0); 121e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 122e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 123e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memcpy(ws_out, &ws, sizeof(ws)); 124e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 125e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = 0; 126e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 127e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectout: 128e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(pagemap); 129e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 130e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 131e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 132e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 133e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint pm_map_destroy(pm_map_t *map) { 134e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!map) 135e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return -1; 136e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 137e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(map->name); 138e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(map); 139e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 140e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 141e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 142