LINUX: Command To Check CPU Speed In Linux? (How To Doc)

Below command can be executed to check CPU Speed in Linux hosts.

date;time echo "scale=1000; 4*a(1)" | bc -l;date

Above command will print the date time before and after execution of the command and also display real, sys and user execution times for command execution. Below is example snippet of above command.

If the CPU speed and performance is ideal this command will finish in a second and the real, sys and user execution times will be lesser than a second.

Sat Aug 24 23:24:49 EDT 2019

3.141592653589793238462643383279502884197169399375105820974944592307\

81640628620899862803482534211706798214808651328230664709384460955058\

22317253594081284811174502841027019385211055596446229489549303819644\

28810975665933446128475648233786783165271201909145648566923460348610\

45432664821339360726024914127372458700660631558817488152092096282925\

40917153643678925903600113305305488204665213841469519415116094330572\

70365759591953092186117381932611793105118548074462379962749567351885\

75272489122793818301194912983367336244065664308602139494639522473719\

07021798609437027705392171762931767523846748184676694051320005681271\

45263560827785771342757789609173637178721468440901224953430146549585\

37105079227968925892354201995611212902196086403441815981362977477130\

99605187072113499999983729780499510597317328160963185950244594553469\

08302642522308253344685035261931188171010003137838752886587533208381\

42061717766914730359825349042875546873115956286388235378759375195778\

18577805321712268066130019278766111959092164201988

real    0m0.348s

user    0m0.305s

sys     0m0.003s

Sat Aug 24 23:24:50 EDT 2019

Products to which Article Applies

All Linux Environments

Additional References

https://gist.github.com/xaratustrah/225bc8bfc827447952c9

tarun boyella