Messages in this thread | | | Date | Fri, 5 Feb 2016 15:50:47 +0800 | From | Xishi Qiu <> | Subject | [RFC] why the amount of cache from "free -m" and /proc/meminfo are different? |
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[root@localhost ~]# free -m total used free shared buff/cache available Mem: 48295 574 41658 8 6062 46344 Swap: 24191 0 24191
[root@localhost ~]# cat /proc/meminfo MemTotal: 49454896 kB MemFree: 42658360 kB MemAvailable: 47456052 kB Buffers: 0 kB Cached: 3727824 kB SwapCached: 0 kB Active: 2010196 kB Inactive: 1784204 kB Active(anon): 66612 kB Inactive(anon): 8948 kB Active(file): 1943584 kB Inactive(file): 1775256 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 24772604 kB SwapFree: 24772604 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 66672 kB Mapped: 38440 kB Shmem: 8984 kB Slab: 2480092 kB SReclaimable: 1291500 kB SUnreclaim: 1188592 kB KernelStack: 4480 kB PageTables: 4928 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 49500052 kB Committed_AS: 254220 kB VmallocTotal: 34359738367 kB VmallocUsed: 0 kB VmallocChunk: 0 kB HardwareCorrupted: 0 kB AnonHugePages: 18432 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 140864 kB DirectMap2M: 5093376 kB DirectMap1G: 47185920 kB
[root@localhost ~]# uname -a Linux localhost.localdomain 4.5.0-rc1-0.1-default+ #4 SMP Sat Jan 30 05:38:10 EST 2016 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]# rpm -qa | grep procps procps-ng-3.3.10-3.el7.x86_64
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