====== Informações físicas ======
==== Kernel ====
**Informações:**
# ls /proc
1 20 2147 234 3 39 573 8 devices kcore mtrr sysvipc
10 2048 2149 235 339 40 574 82 diskstats keys net timer_list
11 2066 2171 237 340 435 576 9 dma key-users pagetypeinfo timer_stats
12 2067 2210 238 347 450 577 905 driver kmsg partitions tty
13 2068 2230 24 348 462 586 908 execdomains kpagecount sched_debug uptime
1399 21 2231 240 361 5 59 acpi fb kpageflags scsi version
14 2108 2233 241 362 532 590 buddyinfo filesystems loadavg self vmallocinfo
15 2110 225 243 363 533 591 bus fs locks slabinfo vmstat
16 2111 227 25 364 534 603 cgroups interrupts mdstat softirqs zoneinfo
17 2112 228 26 365 535 605 cmdline iomem meminfo stat
18 2113 229 27 366 541 621 consoles ioports misc swaps
19 2114 231 28 367 570 622 cpuinfo irq modules sys
2 2123 233 280 37 571 7 crypto kallsyms mounts sysrq-trigger
**Versão:**
# uname -r
3.10.0-123.el7.x86_64
==== Processadores ====
# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 69
model name : Intel(R) Core(TM) i7-4510U CPU @ 2.00GHz
stepping : 1
cpu MHz : 2594.153
cache size : 4096 KB
physical id : 0
siblings : 1
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 13
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc pni pclmulqdq monitor ssse3 cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx rdrand lahf_lm abm
bogomips : 5188.30
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
power management:
**Estatistificas:**
# yum install sysstat
# iostat -c
Linux 3.10.0-123.el7.x86_64 (localhost.localdomain) 26-05-2016 _x86_64_ (1 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
0,03 0,00 0,09 0,34 0,00 99,54
==== Memória ====
# cat /proc/meminfo
MemTotal: 711056 kB
MemFree: 426896 kB
MemAvailable: 444168 kB
Buffers: 764 kB
Cached: 101392 kB
SwapCached: 0 kB
Active: 149748 kB
Inactive: 80368 kB
Active(anon): 128140 kB
Inactive(anon): 5980 kB
Active(file): 21608 kB
Inactive(file): 74388 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 1048572 kB
SwapFree: 1048572 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 127992 kB
Mapped: 32048 kB
Shmem: 6160 kB
Slab: 27536 kB
SReclaimable: 15928 kB
SUnreclaim: 11608 kB
KernelStack: 1016 kB
PageTables: 7908 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 1404100 kB
Committed_AS: 918576 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 5692 kB
VmallocChunk: 34359730296 kB
HardwareCorrupted: 0 kB
AnonHugePages: 77824 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 36800 kB
DirectMap2M: 700416 kB
Informação resumida:
# free -m
total used free shared buffers cached
Mem: 694 277 416 6 0 93
-/+ buffers/cache: 183 510
Swap: 1023 0 1023
**Usando o vmstat:**
# vmstat -a
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
r b swpd free inact active si so bi bo in cs us sy id wa st
2 0 0 426896 80384 149788 0 0 34 3 18 60 0 0 100 0 0
# vmstat -s
711056 K total memory
284160 K used memory
149764 K active memory
80404 K inactive memory
426896 K free memory
764 K buffer memory
95284 K swap cache
1048572 K total swap
0 K used swap
1048572 K free swap
53 non-nice user cpu ticks
0 nice user cpu ticks
210 system cpu ticks
337072 idle cpu ticks
927 IO-wait cpu ticks
0 IRQ cpu ticks
74 softirq cpu ticks
0 stolen cpu ticks
111487 pages paged in
10658 pages paged out
0 pages swapped in
0 pages swapped out
60909 interrupts
201067 CPU context switches
1464282163 boot time
2240 forks
Estatistifica em megabytes
# vmstat -S M 1 5
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
2 0 0 304 0 190 0 0 48 15 24 75 0 0 99 0 0
0 0 0 304 0 190 0 0 0 0 43 92 0 0 100 0 0
0 0 0 304 0 190 0 0 0 0 29 73 0 0 100 0 0
0 0 0 304 0 190 0 0 0 0 35 80 0 0 100 0 0
0 0 0 304 0 190 0 0 0 0 31 81 0 0 100 0 0