Introduction to Perf - Linux Performance Analysis

Introduction to using perf for Linux performance analysis

[bluehornet]

GREAT videos! The pidstat and perf videos are super-useful...thanks!

[shehabeldinhousein]

Excellent video. Was really helpful as an intro. Thank you.

[khurramhabibi]

When i do "perf stat ls" -vs- "perf stat -a ls" i get significantly different results. I undrestand that -a is getting stats across all the cores - but is it still getting only the performance data when running the "ls" command or is it getting perf data for whatever those cores are running?

[oleglevchenko]

Great video. Thanks for your time spent to create your video!

[guutaatesema]

How we can measure the perf - performance analysis tools for Linux power consumption cpu and for specific application

[srinuinaganti]

Thanks, perf trace is showing execution time of syscalls. How to find execution time for a specific function in a program using perf.

[Herearetheundead]

7:20 We can do WHAT with you now?? Dirty bastard!

[taguiamine]

You're just running command you didn't even once explain the meaning of the output