What is the “time” mean in the command line arguement “time node app.js”? [duplicate]
This question already has an answer here:
Get program execution time in the shell
10 answers
App.js contains this code:
function add(num1,num2){
let sum = num1+ num2;
}
let sum = add(2,2);
When I run "time node app.js" In the command line I get the response:
real 0m0.312s
user 0m0.000s
sys 0m0.015s
What does this mean? What is the time flag measuring? How is the runtime calculated? Can you point me to documentation on this flag?
bash
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
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marked as duplicate by mkrieger1, John Kugelman bash
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Nov 15 '18 at 13:25
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
add a comment |
This question already has an answer here:
Get program execution time in the shell
10 answers
App.js contains this code:
function add(num1,num2){
let sum = num1+ num2;
}
let sum = add(2,2);
When I run "time node app.js" In the command line I get the response:
real 0m0.312s
user 0m0.000s
sys 0m0.015s
What does this mean? What is the time flag measuring? How is the runtime calculated? Can you point me to documentation on this flag?
bash
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
marked as duplicate by mkrieger1, John Kugelman bash
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Nov 15 '18 at 13:25
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
1
gnu.org/software/bash/manual/bashref.html#Pipelines
– melpomene
Nov 15 '18 at 13:22
add a comment |
This question already has an answer here:
Get program execution time in the shell
10 answers
App.js contains this code:
function add(num1,num2){
let sum = num1+ num2;
}
let sum = add(2,2);
When I run "time node app.js" In the command line I get the response:
real 0m0.312s
user 0m0.000s
sys 0m0.015s
What does this mean? What is the time flag measuring? How is the runtime calculated? Can you point me to documentation on this flag?
bash
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
This question already has an answer here:
Get program execution time in the shell
10 answers
App.js contains this code:
function add(num1,num2){
let sum = num1+ num2;
}
let sum = add(2,2);
When I run "time node app.js" In the command line I get the response:
real 0m0.312s
user 0m0.000s
sys 0m0.015s
What does this mean? What is the time flag measuring? How is the runtime calculated? Can you point me to documentation on this flag?
This question already has an answer here:
Get program execution time in the shell
10 answers
bash
bash
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
edited Nov 15 '18 at 13:22
melpomene
61.6k54994
61.6k54994
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
asked Nov 15 '18 at 13:18
Andrew RiveraAndrew Rivera
112
112
marked as duplicate by mkrieger1, John Kugelman bash
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Nov 15 '18 at 13:25
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
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Nov 15 '18 at 13:25
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
1
gnu.org/software/bash/manual/bashref.html#Pipelines
– melpomene
Nov 15 '18 at 13:22
add a comment |
1
gnu.org/software/bash/manual/bashref.html#Pipelines
– melpomene
Nov 15 '18 at 13:22
1
1
gnu.org/software/bash/manual/bashref.html#Pipelines
– melpomene
Nov 15 '18 at 13:22
gnu.org/software/bash/manual/bashref.html#Pipelines
– melpomene
Nov 15 '18 at 13:22
add a comment |
1 Answer
1
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oldest
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time is a unix command used to determine the duration of execution of a particular command. When run with your node command you will see something like
1.88 real 0.24 user 0.06 sys
at the end of the execution. real is the total elapsed time, user is the time spent in user code and sys is time spent in lernel code. This answer explains it much better.
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
time is a unix command used to determine the duration of execution of a particular command. When run with your node command you will see something like
1.88 real 0.24 user 0.06 sys
at the end of the execution. real is the total elapsed time, user is the time spent in user code and sys is time spent in lernel code. This answer explains it much better.
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
add a comment |
time is a unix command used to determine the duration of execution of a particular command. When run with your node command you will see something like
1.88 real 0.24 user 0.06 sys
at the end of the execution. real is the total elapsed time, user is the time spent in user code and sys is time spent in lernel code. This answer explains it much better.
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
add a comment |
time is a unix command used to determine the duration of execution of a particular command. When run with your node command you will see something like
1.88 real 0.24 user 0.06 sys
at the end of the execution. real is the total elapsed time, user is the time spent in user code and sys is time spent in lernel code. This answer explains it much better.
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
time is a unix command used to determine the duration of execution of a particular command. When run with your node command you will see something like
1.88 real 0.24 user 0.06 sys
at the end of the execution. real is the total elapsed time, user is the time spent in user code and sys is time spent in lernel code. This answer explains it much better.
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
answered Nov 15 '18 at 13:25
runnerpaulrunnerpaul
714527
714527
add a comment |
add a comment |
1
gnu.org/software/bash/manual/bashref.html#Pipelines
– melpomene
Nov 15 '18 at 13:22