壓力測試工具 stress
stress 是Unix類系統下的工作量和壓力測試工具。它將對用戶指定的CPU數量的I/O,內存和硬盤的負載并報告它檢測到任何錯誤。它用于自動壓力測試和調試系統組件失敗的唯一或更經常負荷時。它可以運行在x86,ppc64的,和PPC 32 GNU / Linux的,Tru64的,SPARC Solaris的,和其他平臺。
使用示例:
$ stress --cpu 2 --io 1 --vm 1 --vm-bytes 128M --timeout 10s --verbose stress: info: [9372] dispatching hogs: 2 cpu, 1 io, 1 vm, 0 hdd stress: dbug: [9372] (243) using backoff sleep of 12000us stress: dbug: [9372] (262) setting timeout to 10s stress: dbug: [9372] (285) --> hogcpu worker 9373 forked stress: dbug: [9372] (305) --> hogio worker 9374 forked stress: dbug: [9372] (325) --> hogvm worker 9375 forked stress: dbug: [9372] (243) using backoff sleep of 3000us stress: dbug: [9372] (262) setting timeout to 10s stress: dbug: [9372] (285) --> hogcpu worker 9376 forked stress: dbug: [9375] (466) hogvm worker malloced 134217728 bytes stress: dbug: [9372] (382) <-- worker 9374 signalled normally stress: dbug: [9372] (382) <-- worker 9373 signalled normally stress: dbug: [9372] (382) <-- worker 9375 signalled normally stress: dbug: [9372] (382) <-- worker 9376 signalled normally stress: info: [9372] successful run completed in 10s
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