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); 4508ea6e722b1f2d6359f54fe39c6bed82f524291cThierry Strudel pm_memusage_pswap_init_handle(&usage, usage_out->p_swap); 46e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 47e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project for (i = 0; i < len; i++) { 48ad0b50bf21b04d64d56213014565d6e92d1c562eColin Cross usage.vss += map->proc->ker->pagesize; 49ad0b50bf21b04d64d56213014565d6e92d1c562eColin Cross 50aa5a7df9d83c39e41fd07c1281a9912544022448Yu Liu if (!PM_PAGEMAP_PRESENT(pagemap[i]) && 5108ea6e722b1f2d6359f54fe39c6bed82f524291cThierry Strudel !PM_PAGEMAP_SWAPPED(pagemap[i])) 52e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project continue; 53e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 54745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (!PM_PAGEMAP_SWAPPED(pagemap[i])) { 55745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (flags_mask) { 56745b964daeacf44350db14bc343d53e319e696b8Colin Cross uint64_t flags; 57745b964daeacf44350db14bc343d53e319e696b8Colin Cross error = pm_kernel_flags(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 58745b964daeacf44350db14bc343d53e319e696b8Colin Cross &flags); 59745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (error) goto out; 603a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross 61745b964daeacf44350db14bc343d53e319e696b8Colin Cross if ((flags & flags_mask) != required_flags) 62745b964daeacf44350db14bc343d53e319e696b8Colin Cross continue; 63745b964daeacf44350db14bc343d53e319e696b8Colin Cross } 643a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross 65745b964daeacf44350db14bc343d53e319e696b8Colin Cross error = pm_kernel_count(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 66745b964daeacf44350db14bc343d53e319e696b8Colin Cross &count); 67745b964daeacf44350db14bc343d53e319e696b8Colin Cross if (error) goto out; 68e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 69745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.rss += (count >= 1) ? map->proc->ker->pagesize : (0); 70745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.pss += (count >= 1) ? (map->proc->ker->pagesize / count) : (0); 71745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.uss += (count == 1) ? (map->proc->ker->pagesize) : (0); 72745b964daeacf44350db14bc343d53e319e696b8Colin Cross } else { 73745b964daeacf44350db14bc343d53e319e696b8Colin Cross usage.swap += map->proc->ker->pagesize; 7408ea6e722b1f2d6359f54fe39c6bed82f524291cThierry Strudel pm_memusage_pswap_add_offset(&usage, PM_PAGEMAP_SWAP_OFFSET(pagemap[i])); 75745b964daeacf44350db14bc343d53e319e696b8Colin Cross } 76e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 77e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 78e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memcpy(usage_out, &usage, sizeof(usage)); 79e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 80e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = 0; 81e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 8208ea6e722b1f2d6359f54fe39c6bed82f524291cThierry Strudelout: 83e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(pagemap); 84e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 85e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return error; 86e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 87e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 883a1897792d0b5cc972d879af297ee5cfd095be68Colin Crossint pm_map_usage(pm_map_t *map, pm_memusage_t *usage_out) { 893a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross return pm_map_usage_flags(map, usage_out, 0, 0); 903a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross} 913a1897792d0b5cc972d879af297ee5cfd095be68Colin Cross 92e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint pm_map_workingset(pm_map_t *map, pm_memusage_t *ws_out) { 93e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project uint64_t *pagemap; 94e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project size_t len, i; 95e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project uint64_t count, flags; 96e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pm_memusage_t ws; 97e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project int error; 98e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 99e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!map || !ws_out) 100e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return -1; 101e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 102e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_map_pagemap(map, &pagemap, &len); 103e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) return error; 104e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 105e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project pm_memusage_zero(&ws); 10608ea6e722b1f2d6359f54fe39c6bed82f524291cThierry Strudel 107e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project for (i = 0; i < len; i++) { 108e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_kernel_flags(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 109e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project &flags); 110e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) goto out; 111e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 1129eed624c760b9c70de9a8f75ff84c5f085d62fdcElliott Hughes if (!(flags & KPF_REFERENCED)) 113e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project continue; 114e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 115e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = pm_kernel_count(map->proc->ker, PM_PAGEMAP_PFN(pagemap[i]), 116e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project &count); 117e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (error) goto out; 118e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 119e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.vss += map->proc->ker->pagesize; 12076e6cb55fed01824e44306aa0485a3f8f122b228Selim Gurun if( PM_PAGEMAP_SWAPPED(pagemap[i]) ) continue; 121e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.rss += (count >= 1) ? (map->proc->ker->pagesize) : (0); 122e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.pss += (count >= 1) ? (map->proc->ker->pagesize / count) : (0); 123e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project ws.uss += (count == 1) ? (map->proc->ker->pagesize) : (0); 124e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project } 125e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 126e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project memcpy(ws_out, &ws, sizeof(ws)); 127e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 128e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project error = 0; 129e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 130e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectout: 131e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(pagemap); 132e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 133e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 134e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 135e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 136e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Projectint pm_map_destroy(pm_map_t *map) { 137e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project if (!map) 138e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return -1; 139e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 140e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(map->name); 141e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project free(map); 142e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project 143e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project return 0; 144e16cb84e2324f05334d18dcf5956f20f44262b62The Android Open Source Project} 145