{"id":3764,"date":"2022-02-20T22:20:04","date_gmt":"2022-02-20T14:20:04","guid":{"rendered":"https:\/\/blog.coderfan.org\/?p=3764"},"modified":"2022-08-23T16:30:41","modified_gmt":"2022-08-23T08:30:41","slug":"android-linux-system-oom-problem-analysis","status":"publish","type":"post","link":"https:\/\/blog.coderfan.org\/en\/android-linux-system-oom-problem-analysis.html","title":{"rendered":"Android\/Linux\u7cfb\u7edfOOM\u95ee\u9898\u89e3\u6790"},"content":{"rendered":"
\n
\n \t<\/i> Read Time:<\/span>6 Minute, 41 Second <\/div>\n\n <\/div>\n

\u5728\u65e5\u5e38\u5de5\u4f5c\u4e2d\uff0c\u5076\u5c14\u4f1a\u9047\u5230OOM\u7684\u95ee\u9898\uff0c\u8fd9\u7c7b\u95ee\u9898\u662f\u6211\u4eec\u65e5\u5e38\u5f00\u53d1\u4e2d\u6700\u96be\u4ee5\u5904\u7406\u6700\u96be\u4ee5\u5b9a\u4f4d\u7684\u4e00\u7c7b\u95ee\u9898\u3002\u5c24\u5176\u662f\u5728Android Native\u5f00\u53d1\u65f6\uff0c\u6211\u4eec\u5f88\u96be\u901a\u8fc7\u6709\u6548\u7684\u624b\u6bb5\u53bb\u8bca\u65ad\u8fd9\u7c7b\u95ee\u9898\u3002\u66f4\u53ef\u60b2\u7684\u662f\uff0c\u56fd\u5185\u7684\u6280\u672f\u5e73\u53f0\u4e2d\u5173\u4e8e\u8fd9\u5757\u513f\u7684\u95ee\u9898\u8bb2\u89e3\u4e5f\u5f88\u5c11\u3002\u6070\u5de7\u6700\u8fd1\u9047\u5230\u4e86\u4e00\u4e2aOOM\u7684\u95ee\u9898\uff0c\u5728\u4e00\u8fb9\u89e3\u51b3\u95ee\u9898\u4e00\u8fb9\u5b66\u4e60\u7684\u8fc7\u7a0b\u4e2d\u79ef\u7d2f\u4e86\u4e9b\u8bb8\u77e5\u8bc6\uff0c\u4e8e\u662f\u60f3\u5230\u628a\u8fd9\u4e9b\u8bb0\u5f55\u4e0b\u6765\uff0c\u5e0c\u671b\u80fd\u7ed9\u9047\u5230\u7c7b\u4f3c\u95ee\u9898\u7684\u670b\u53cb\u4e00\u4e9b\u5e2e\u52a9\u3002<\/p>\n\n\n\n

\u539f\u7406\u7b80\u4ecb<\/h5>\n\n\n\n

OOM\u5168\u79f0\u4e3aOutOfMemeory\uff0c\u662f\u6307\u5f53\u5e94\u7528\u7a0b\u5e8f\u65e0\u6cd5\u7533\u8bf7\u5230\u8db3\u591f\u5185\u5b58\u8fdb\u800c\u5bfc\u81f4\u7cfb\u7edf\u5f02\u5e38\u7684\u95ee\u9898\u3002\u5728Android\u7cfb\u7edf\u4e2d\uff0c\u57fa\u4e8eOOM\u884d\u751f\u51fa\u4e86Low Memory Killer\uff0c\u800cLinux\u7cfb\u7edf\u5bf9\u5e94\u7684\u4e3aOut Of Memory Killer.Android\u7cfb\u7edf\u7684Low Memory Killer\u4e0eLinux\u7cfb\u7edf\u4e2d\u7684Out Of Memory Killer\u5728\u7b56\u7565\u4e0a\u6709\u7ec6\u5fae\u4e0d\u540c\uff0c\u7b80\u5355\u6765\u8bf4\uff1aLow Memory Killer\u4f1a\u5468\u671f\u6027\u68c0\u67e5\u7cfb\u7edf\u7684\u5185\u5b58\uff0c\u63d0\u524dKill\u6389\u5f97\u5206\u8f83\u9ad8\u7684\u5e94\u7528\u4ee5\u786e\u4fdd\u5185\u5b58\u4f7f\u7528\u5904\u4e8e\u5065\u5eb7\u7684\u72b6\u6001\uff0c\u800cOut Of Memory Killer\u5219\u662f\u5728\u5206\u914d\u5185\u5b58\u4e0d\u8db3\u65f6Kill\u6389\u5f97\u5206\u6700\u9ad8\u7684\u5e94\u7528,\u800c\u6b64\u65f6\u7cfb\u7edf\u53ef\u80fd\u5df2\u7ecf\u5904\u4e8e\u5f02\u5e38\u72b6\u6001\u4e86\u3002<\/p>\n\n\n\n

\u5173\u4e8eAndroid\u7cfb\u7edf\u4e2d\u7684Low Memory Killer\uff0c\u6e90\u7801\u8def\u5f84\u4e3a\uff1akernel\/drivers\/misc\/lowmemorykiller.c \uff0c\u5177\u4f53\u4ee3\u7801\u7ec6\u8282\u672c\u6587\u4e2d\u4e0d\u505a\u8fc7\u591a\u8bb2\u89e3\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u81ea\u884c\u67e5\u9605\u6e90\u7801\u3002<\/p>\n\n\n\n

\u5728Android\u7cfb\u7edf\u4e2d\uff0cLow Memory Killer\u4f1a\u4f9d\u7167\u4e24\u4e2a\u539f\u5219\u6765\u5224\u5b9a\u662f\u5426\u9700\u8981Kill\u6389\u67d0\u4e2a\u8fdb\u7a0b\u4ece\u800c\u6765\u91ca\u653e\u5176\u8d44\u6e90\u3002\u5373\uff1a\u8fdb\u7a0b\u7684\u91cd\u8981\u6027\u4e0e\u91ca\u653e\u8be5\u8fdb\u7a0b\u53ef\u83b7\u53d6\u7684\u7a7a\u95f2\u7684\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f\u3002<\/strong><\/p>\n\n\n\n

1\uff09\u8fdb\u7a0b\u7684\u91cd\u8981\u6027\uff1a\u8fdb\u7a0b\u7684\u91cd\u8981\u6027\u5c06\u901a\u8fc7\u83b7\u53d6task_struct\u7ed3\u6784\u4f53\u4e2d\u7684oom_score_adj\u6210\u5458\u6765\u8fdb\u884c\u5224\u5b9a\u3002\u6838\u5fc3\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n

struct task_struct *p;\n\t\tint oom_score_adj;\n\t\tif (tsk->flags & PF_KTHREAD)\n\t\t\tcontinue;\n\t\tp = find_lock_task_mm<\/strong>(tsk);\n\t\tif (!p)\n\t\t\tcontinue;\n\t\tif (test_tsk_thread_flag(p, TIF_MEMDIE) &&\n\t\t    time_before_eq(jiffies, lowmem_deathpending_timeout)) {\n\t\t\ttask_unlock(p);\n\t\t\trcu_read_unlock();\n\t\t\treturn 0;\n\t\t}\n\t\toom_score_adj <\/strong>= p->signal->oom_score_adj;<\/code><\/pre>\n\n\n\n
2\uff09\u53ef\u83b7\u53d6\u7684\u7a7a\u95f2\u7684\u5185\u5b58\u7a7a\u95f4\u5927\u5c0f\uff1a\u8fd9\u90e8\u5206\u7684\u5185\u5bb9\u5c06\u901a\u8fc7get_mm_rss<\/strong> API\u8fdb\u884c\u83b7\u53d6\u3002<\/p>\n\n\n\n
\u5728\u83b7\u53d6\u4e0a\u8ff0\u4e24\u4e2a\u5143\u7d20\u540e\uff0c\u7cfb\u7edf\u4f1a\u8fdb\u884c\u5224\u5b9a\uff0c\u5982\u5224\u5b9a\u6ee1\u8db3\u6ee1\u8db3\u6761\u4ef6\u540e\uff0c\u5c06\u4f1a\u53d1\u9001\u4fe1\u53f7\u7ec8\u6b62\u8fdb\u7a0b\u3002<\/p>\n\n\n\n
\u5173\u952e\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\tif (selected) {\n\t\tlowmem_print(1, \"send sigkill to %d (%s), adj %d, size %d\\n\",\n\t\t\t     selected->pid, selected->comm,\n\t\t\t     selected_oom_score_adj, selected_tasksize);\n\t\tlowmem_deathpending_timeout = jiffies + HZ;\n\t\tsend_sig(SIGKILL, selected, 0);<\/strong>\n\t\tset_tsk_thread_flag(selected, TIF_MEMDIE);\n\t\trem -= selected_tasksize;\n\t}\n\tlowmem_print(4, \"lowmem_shrink %lu, %x, return %d\\n\",\n\t\t     sc->nr_to_scan, sc->gfp_mask, rem);<\/code><\/pre>\n\n\n\n
\u5173\u4e8e\u8fd9\u90e8\u5206\u7684\u5168\u90e8\u4ee3\u7801\uff0c\u6458\u5f55\u5982\u4e0b\uff1a<\/p>\n\n\n\n
static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)\n{\n\tstruct task_struct *tsk;\n\tstruct task_struct *selected = NULL;\n\tint rem = 0;\n\tint tasksize;\n\tint i;\n\tint min_score_adj = OOM_SCORE_ADJ_MAX + 1;\n\tint selected_tasksize = 0;\n\tint selected_oom_score_adj;\n\tint array_size = ARRAY_SIZE(lowmem_adj);\n\n    \/\/\u83b7\u53d6\u5f53\u524d\u5269\u4f59\u5185\u5b58\u5927\u5c0f\n\tint other_free = global_page_state(NR_FREE_PAGES);\n\tint other_file = global_page_state(NR_FILE_PAGES) -\n\t\t\t\t\t\tglobal_page_state(NR_SHMEM);\n\ttune_lmk_param(&other_free, &other_file, sc);\n\n    \/\/\u83b7\u53d6lowmem_adj\u548clowmem_minfree\u6570\u7ec4\u5927\u5c0f\n\tif (lowmem_adj_size < array_size)\n\t\tarray_size = lowmem_adj_size;\n\tif (lowmem_minfree_size < array_size)\n\t\tarray_size = lowmem_minfree_size;\n\tfor (i = 0; i < array_size; i++) {\n\t\tif (other_free < lowmem_minfree[i] &&\n\t\t    other_file < lowmem_minfree[i]) {\n\t\t\tmin_score_adj = lowmem_adj[i];\n\t\t\tbreak;\n\t\t}\n\t}\n\tif (sc->nr_to_scan > 0)\n\t\tlowmem_print(3, \"lowmem_shrink %lu, %x, ofree %d %d, ma %d\\n\",\n\t\t\t\tsc->nr_to_scan, sc->gfp_mask, other_free,\n\t\t\t\tother_file, min_score_adj);\n\trem = global_page_state(NR_ACTIVE_ANON) +\n\t\tglobal_page_state(NR_ACTIVE_FILE) +\n\t\tglobal_page_state(NR_INACTIVE_ANON) +\n\t\tglobal_page_state(NR_INACTIVE_FILE);\n\tif (sc->nr_to_scan <= 0 || min_score_adj == OOM_SCORE_ADJ_MAX + 1) {\n\t\tlowmem_print(5, \"lowmem_shrink %lu, %x, return %d\\n\",\n\t\t\t     sc->nr_to_scan, sc->gfp_mask, rem);\n\t\treturn rem;\n\t}\n\tselected_oom_score_adj = min_score_adj;\n\trcu_read_lock();\n\tfor_each_process(tsk) {\n\t\tstruct task_struct *p;\n\t\tint oom_score_adj;\n\t\tif (tsk->flags & PF_KTHREAD)\n\t\t\tcontinue;\n\t\tp = find_lock_task_mm(tsk);\n\t\tif (!p)\n\t\t\tcontinue;\n\t\tif (test_tsk_thread_flag(p, TIF_MEMDIE) &&\n\t\t    time_before_eq(jiffies, lowmem_deathpending_timeout)) {\n\t\t\ttask_unlock(p);\n\t\t\trcu_read_unlock();\n\t\t\treturn 0;\n\t\t}\n\t\toom_score_adj = p->signal->oom_score_adj;\n\n       \/\/\u5982\u679c\u5f97\u5206\u5c0f\u4e8e\u8bbe\u5b9a\u503c\u5219\u5ffd\u7565\n\t\tif (oom_score_adj < min_score_adj) {\n\t\t\ttask_unlock(p);\n\t\t\tcontinue;\n\t\t}\n\n        \/\/\u83b7\u53d6\u8fdb\u7a0b\u6240\u5360\u7528\u7684Resident Set Size\u5927\u5c0f\n        \/\/\u9700\u8981\u6ce8\u610f\u662f\u7684\u5305\u542b\u4e86\u5171\u4eab\u5e93\u5360\u7528\u7684\u5171\u4eab\u5185\u5b58\n\t\ttasksize = get_mm_rss(p->mm);\n\t\ttask_unlock(p);\n\t\tif (tasksize <= 0)\n\t\t\tcontinue;\n\n        \/\/\u9009\u62e9oom_score_adj\u5f97\u5206\u6700\u9ad8\u4e14rss\u5185\u5b58\u6700\u5927\u7684\u8fdb\u7a0b\n\t\tif (selected) {\n\t\t\tif (oom_score_adj < selected_oom_score_adj)\n\t\t\t\tcontinue;\n\t\t\tif (oom_score_adj == selected_oom_score_adj &&\n\t\t\t    tasksize <= selected_tasksize)\n\t\t\t\tcontinue;\n\t\t}\n\t\tselected = p;\n\t\tselected_tasksize = tasksize;\n\t\tselected_oom_score_adj = oom_score_adj;\n\t\tlowmem_print(2, \"select %d (%s), adj %d, size %d, to kill\\n\",\n\t\t\t     p->pid, p->comm, oom_score_adj, tasksize);\n\t}\n\n    \/\/\u9009\u4e2d\u4e4b\u540e\u53d1\u9001SIGKILL\u4fe1\u53f7\u5f3a\u5236KILL\u8fdb\u7a0b\n\tif (selected) {\n\t\tlowmem_print(1, \"send sigkill to %d (%s), adj %d, size %d\\n\",\n\t\t\t     selected->pid, selected->comm,\n\t\t\t     selected_oom_score_adj, selected_tasksize);\n\t\tlowmem_deathpending_timeout = jiffies + HZ;\n\t\tsend_sig(SIGKILL, selected, 0);\n\t\tset_tsk_thread_flag(selected, TIF_MEMDIE);\n\t\trem -= selected_tasksize;\n\t}\n\tlowmem_print(4, \"lowmem_shrink %lu, %x, return %d\\n\",\n\t\t     sc->nr_to_scan, sc->gfp_mask, rem);\n\trcu_read_unlock();\n\treturn rem;\n}<\/code><\/pre>\n\n\n\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5f53\u53d1\u9001\u4fe1\u53f7KILL\u8fdb\u7a0b\u4e2d\u53d1\u9001\u7684\u4fe1\u53f7\u4e3aSIGKILL(signal 9)\u662f\u65e0\u6cd5\u88ab\u6355\u6349\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\u8fdb\u7a0b\u65e0\u6cd5\u901a\u8fc7\u81ea\u884c\u6355\u83b7\u4fe1\u53f7\u6765\u9003\u8fc7\u88ab\u5f3a\u6740\u7684\u547d\u8fd0\u3002<\/p>\n\n\n\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u8fd8\u9700\u8981\u5173\u6ce8\u7684\u662f\u4e24\u4e2a\u6570\u7ec4\uff1alowmem_minfree\u6570\u7ec4\u4e0elowmem_adj\u6570\u7ec4\uff0c\u524d\u8005\u5b58\u653e\u5185\u5bb9\u4e3aminfree\u7684\u8b66\u6212\u503c\uff0c\u800c\u540e\u8005\u5b58\u653e\u7740oom_adj\u7684\u9608\u503c\u3002<\/p>\n\n\n\n
oom_adj\u7684\u53d6\u503c\u8303\u56f4\u4e3a[-16,15],\u6570\u503c\u8d8a\u5927\uff0c\u4f18\u5148\u7ea7\u8d8a\u4f4e\uff0c\u8d8a\u5bb9\u6613\u88ab\u6740\u6389\u3002<\/p>\n\n\n\n
oom_score_adj\u7684\u53d6\u503c\u8303\u56f4\u4e3a[-1000,1000],\u6570\u503c\u8d8a\u5927\u5f97\u5206\u8d8a\u9ad8\u8d8a\u5bb9\u6613\u88ab\u6740\u3002<\/p>\n\n\n\n
\u65e5\u5fd7\u89e3\u6790<\/h5>\n\n\n\n
\u63a5\u4e0b\u6765\u6211\u4eec\u5c06\u901a\u8fc7\u4e00\u4efd\u95ee\u9898\u65e5\u5fd7\u6765\u770b\u770b\u8be5\u5982\u4f55\u53bb\u89e3\u8bfb\u6211\u4eec\u7684OOM\u65e5\u5fd7\u3002<\/p>\n\n\n\n
Apr 14 14:13:32 sha2uvp-gert01 kernel: telegraf invoked OOM-killer: gfp_mask=0x201da, order=0, oom_score_adj=0\n.............\nApr 14 14:13:36 sha2uvp-gert01 kernel: Free swap  = 0kB\nApr 14 14:13:36 sha2uvp-gert01 kernel: Total swap = 8191996kB\nApr 14 14:13:36 sha2uvp-gert01 kernel: 9437070 pages RAM\nApr 14 14:13:36 sha2uvp-gert01 kernel: 0 pages HighMem\/MovableOnly\n............\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ pid ]   uid  tgid total_vm      rss nr_ptes swapents oom_score_adj name\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  682]     0   682    11356        7      25      417         -1000 systemd-udevd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  685]     0   685    68064       71      32       82             0 lvmetad\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  865]     0   865    13877       31      26       83         -1000 auditd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  889]     0   889     6594       48      18       37             0 systemd-logind\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  890]     0   890     5421       55      15       47             0 irqbalance\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  891]    81   891    14549       77      32       86          -900 dbus-daemon\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  894]   999   894   134633      113      60     1542             0 polkitd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  917]     0   917   119059      209      87      378             0 NetworkManager\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  918]     0   918    24911        0      42      402             0 VGAuthService\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  919]     0   919    74673      264      59      221             0 vmtoolsd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  937]     0   937    31571       27      20      130             0 crond\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  944]     0   944     6476        0      18       52             0 atd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [  948]     0   948    27522        1      10       30             0 agetty\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 1862]  1005  1862    28426        2      15      203             0 watchdog\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 1869]  1005  1869    28457        2      13      206             0 watchdog\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2180]     0  2180    28202       28      57      232         -1000 sshd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2190]     0  2190   143452      719      96     2592             0 tuned\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2198]     0  2198    28924       24      13       19             0 rhsmcertd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2200]     0  2200     6791       16      18       47             0 xinetd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2212]     0  2212    62286      499      49      131             0 rsyslogd\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2223]  1005  2223  1983226    54375     364    52615             0 java\nApr 14 14:13:36 sha2uvp-gert01 kernel: [ 2231]  1005  2231  7698184   381153    2212   328643             0 java\n*********\nApr 14 14:13:36 sha2uvp-gert01 kernel: Out of memory: Kill process 6033 (java) score 367 or sacrifice child\nApr 14 14:13:36 sha2uvp-gert01 kernel: Killed process 6033 (java) total-vm:29930040kB, anon-rss:10625048kB, file-rss:0kB, shmem-rss:24kB<\/code><\/pre>\n\n\n\n
\u5173\u4e8e\u8fd9\u4efd\u65e5\u5fd7\uff0c\u7eb5\u5411\u6765\u770b\uff0c\u5206\u4e3a\u5982\u4e0b\u51e0\u5217\uff1a<\/p>\n\n\n\n
pid<\/strong><\/td>\u8fdb\u7a0bid<\/td><\/tr>
uid<\/strong><\/td>\u7528\u6237id<\/td><\/tr>
tgid<\/strong><\/td>\u7ebf\u7a0b\u7ec4id<\/td><\/tr>
total_vm<\/strong><\/td>\u603b\u7684\u865a\u62df\u5185\u5b58\u4f7f\u7528\uff084KB\/\u9875\u4e3a\u8ba1\u91cf\u5355\u4f4d\uff09<\/td><\/tr>
rss<\/strong><\/td>\u603b\u7684\u7269\u7406\u5185\u5b58\u4f7f\u7528 \uff084KB\/\u9875\u4e3a\u8ba1\u91cf\u5355\u4f4d\uff09 <\/td><\/tr>
nr_ptes<\/strong><\/td>Page table entries<\/td><\/tr>
swapents<\/strong><\/td>Page table entries<\/td><\/tr>
oom_score_adj<\/strong><\/td>oom\u5f97\u5206\uff0c\u5206\u503c\u8d8a\u9ad8\u8d8a\u5bb9\u6613\u88abKill<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\u5728\u8fd9\u4efd\u65e5\u5fd7\u4e2d\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u4ee5\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n
 telegraf invoked OOM-killer <\/strong>\u8868\u660e\u662f\u7531\u4e8e telegraf <\/strong> \u7533\u8bf7\u4e0d\u5230\u8db3\u591f\u7684\u5185\u5b58\u89e6\u53d1\u4e86OOM\u673a\u5236\u3002<\/p>\n\n\n\n
\u603b\u7684RAM\u5927\u5c0f\uff1a 9437070 pages RAM \uff0c\u6362\u7b97\u4e00\u4e0b\u662f9437070*4\u00f71024\u00f71024=36GB\u3002<\/p>\n\n\n\n
\u603b\u7684SWAP\u5927\u5c0f\uff1a 8191996kB \uff0c\u4e5f\u5c31\u662f8.2GB\u3002<\/p>\n\n\n\n
\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u5173\u6ce8\u4e00\u4e0b\u5404\u4e2a\u8fdb\u7a0b\u7684\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u5982\u8fdb\u7a0bID\u4e3a2231\u7684\u8fdb\u7a0b\uff1a<\/p>\n\n\n\n
 total_vm\uff1a 7698184   \uff0c\u6362\u7b97\u4e00\u4e0b\u662f7698184*4\u00f71024\u00f71024=29GB\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\u8fd9\u90e8\u5206\u8ba1\u7b97\u7684\u662f\u865a\u62df\u5185\u5b58\u3002<\/p>\n\n\n\n
 rss:381153\uff0c\u6362\u7b97\u4e00\u4e0b\u662f381153*4\u00f71024\u00f71024=1.45GB\uff0c\u800coom_score_adj\u4e5f\u9ad8\u8fbe 381153\u3002<\/p>\n\n\n\n
\u8fd9\u4e2a\u5185\u5b58\u4f7f\u7528\u672c\u8eab\u662f\u6709\u4e9b\u4e0d\u6b63\u5e38\u7684\uff0c\u4f46\u662f\u6839\u636e\u65e5\u5fd7\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u8fdb\u7a0bID\u4e3a6033\u7684\u8fdb\u7a0b\u4f7f\u7528\u6d88\u8017\u66f4\u591a\uff0c\u56e0\u6b64\u88abKILL\u6389\u3002<\/p>\n\n\n\n
\u4ee5\u4e0a\u5c31\u662f\u8fd9\u7bc7\u535a\u6587\u7684\u5168\u90e8\u5185\u5bb9\u5566\uff0c\u4f5c\u4e3a\u5f00\u53d1\u4eba\u5458\u8fd8\u662f\u8981\u638c\u63e1OOM\u673a\u5236\u4ee5\u53ca\u76f8\u5173\u65e5\u5fd7\u7684\u89e3\u8bfb\uff0c\u8fd9\u6837\u51fa\u73b0\u95ee\u9898\u65f6\u624d\u80fd\u8fdb\u884c\u5206\u6790\u8bca\u65ad(\u8fdb\u884c\u7529\u9505)\u3002\u4e0d\u8fc7\u8fd9\u91cc\u4e5f\u8981\u63d0\u53ca\u4e00\u70b9\uff0c\u7531\u4e8eRSS\u672c\u8eab\u5305\u542b\u5171\u4eab\u5e93\u6240\u5360\u7528\u7684\u5185\u5b58\u8d44\u6e90\uff0c\u5f53\u67d0\u4e2a\u8fdb\u7a0bRSS\u6570\u503c\u5f02\u5e38\u5224\u5b9a\u4e3a\u5185\u5b58\u6cc4\u6f0f\u65f6\uff0c\u4e0d\u4e00\u5b9a\u8868\u660e\u662f\u8be5\u8fdb\u7a0b\u81ea\u8eab\u7684\u4ee3\u7801\u95ee\u9898\uff0c\u4e5f\u6709\u53ef\u80fd\u662f\u5171\u4eab\u5e93\u53d1\u751f\u7684\u5f02\u5e38\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u5f00\u53d1\u4eba\u5458\u4ed4\u7ec6\u8fdb\u884c\u8bca\u65ad\u4e86\u3002<\/p>\n\n\n\n
\u597d\u4e86\uff0c\u8bdd\u4e0d\u591a\u8bf4\uff0c\u6211\u662fCoderfan\uff0c\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u591f\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u6211\u4eec\u4e0b\u6b21\u518d\u89c1\u3002<\/p>\n        
\n            
\n                \n                
\n                    \n                        \"Happy\"\n                    <\/a>\n                    
\n                        Happy                    <\/div>\n                    
\n                                                    4<\/span>\n                        \n                                                100<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Sad\"\n                    <\/a>\n                    
\n                        Sad                    <\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Excited\"\n                    <\/a>\n                    
\n                        Excited                    <\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Sleepy\"\n                    <\/a>\n                    
\n                        Sleepy                    <\/div>\n                    
\n                                                    0<\/span>\n                        \n                                                0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Angry\"\n                    <\/a>\n                    
Angry<\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                        \n                    <\/div>\n                <\/div>\n\n                
\n                    \n                        \"Surprise\"\n                    <\/a>\n                    
Surprise<\/div>\n                    
\n                                                    0<\/span>\n                                                                        0<\/span> %<\/span>\n                                            <\/div>\n                <\/div>\n\n            <\/div>\n        <\/div>","protected":false},"excerpt":{"rendered":"
\u7b80\u5355\u89e3\u6790Android\/Linux\u7cfb\u7edf\u4e2dOOM\u673a\u5236\u3002<\/p>","protected":false},"author":1,"featured_media":4041,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":3,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[46,33],"class_list":["post-3764","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-operating-system","tag-android","tag-linux"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[]}},"aioseo_notices":[],"featured_image_urls":{"full":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo.png",318,159,false],"thumbnail":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo-150x150.png",150,150,true],"medium":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo-300x150.png",300,150,true],"medium_large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo.png",318,159,false],"large":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo.png",318,159,false],"1536x1536":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo.png",318,159,false],"2048x2048":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo.png",318,159,false],"trp-custom-language-flag":["https:\/\/blog.coderfan.org\/wp-content\/uploads\/2022\/08\/Linux-Logo-18x9.png",18,9,true]},"post_excerpt_stackable":"
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