timer
timer is like time but repeats your command and provides basic statistics on execution time.
It's inspired by perf stat, but works on MacOS.
Install
go get cdr.dev/timerBasic Usage
$ timer -n curl google.com
--- timer config
command curl google.com
iterations 10
parallelism 1
--- percentiles
0 (fastest) 0.037s
25 (1st quantile) 0.041s
50 (median) 0.044s
75 (3rd quantile) 0.049s
100th (slowest) 0.059s
--- summary
total 0.455s
mean 0.046s
stddev 0.006sApache Bench is typically better for websites
Parallelism
You can use the -p flag to configure the number of parallel threads.
$ timer -n 4 -p 2 sleep 1s
--- timer config
command sleep 1s
iterations 4
parallelism 2
--- percentiles
0 (fastest) 1.005s
25 (1st quantile) 1.005s
50 (median) 1.006s
75 (3rd quantile) 1.006s
100th (slowest) 1.006s
--- summary
total 2.013s
mean 1.006s
stddev 0.001s