Hello Daniel, Am Dienstag, 27. März 2018, 13:30:22 CEST schrieb Daniel Lezcano: > Can you can give a rough amount for the irq rate on the timer ?
I used itop [1] now to get a rough estimate. First with kernel v4.14.29-rt25 (fully preempt RT): INT NAME RATE MAX 19 [ vel tc_clkevt] 397 Ints/s (max: 432) 26 [ vel eth0] 4 Ints/s (max: 38) Next test with kernel v4.15.13 gives (slightly slower, but non-RT): INT NAME RATE MAX 19 [ vel tc_clkevt] 248 Ints/s (max: 273) 26 [ vel eth0] 4 Ints/s (max: 11) With kernel v4.16-rc7 plus this patch series and tcb as clocksource: INT NAME RATE MAX 17 [vel timer@fffa] 2164 Ints/s (max: 2183) 26 [ vel eth0] 5 Ints/s (max: 10) Is this the information you wanted? If not, could you point me on how to get the requested irq rate? Greets Alex [1] https://packages.debian.org/stretch/itop
