[arch-proaudio] cyclictest

[LX]

Hi Ralf,

Here are my results with various versions of the RT kernel + latest stock:

[root at pill-mobile4 gimmeapill]# cat /proc/cpuinfo | grep "model name" | uniq
model name      : Intel(R) Core(TM) i5-3317U CPU @ 1.70GHz

Linux 4.9.40-rt30-1-rt
[root at pill-mobile4 gimmeapill]# cyclictest -S -m -p98
# /dev/cpu_dma_latency set to 0us
policy: fifo: loadavg: 0.10 0.06 0.02 1/161 470

T: 0 (  463) P:98 I:1000 C:  57257 Min:      2 Act:    4 Avg:    4 
Max:      12
T: 1 (  464) P:98 I:1500 C:  38168 Min:      2 Act:    4 Avg:    4 
Max:      11
T: 2 (  465) P:98 I:2000 C:  28624 Min:      3 Act:    5 Avg:    4 
Max:      12
T: 3 (  466) P:98 I:2500 C:  22897 Min:      3 Act:    4 Avg:    4 
Max:      11

Linux 4.11.12-rt14-1-rt
[root at pill-mobile4 gimmeapill]# cyclictest -S -m -p98
# /dev/cpu_dma_latency set to 0us
policy: fifo: loadavg: 0.02 0.02 0.00 1/210 573

T: 0 (  570) P:98 I:1000 C:  47702 Min:      2 Act:    4 Avg:    3 
Max:      13
T: 1 (  571) P:98 I:1500 C:  31794 Min:      2 Act:    4 Avg:    3 
Max:      12
T: 2 (  572) P:98 I:2000 C:  23844 Min:      2 Act:    4 Avg:    3 
Max:      10
T: 3 (  573) P:98 I:2500 C:  19072 Min:      2 Act:    4 Avg:    4 
Max:      13

Linux  4.14.6-rt7-1-rt
[root at pill-mobile4 gimmeapill]# cyclictest -S -m -p98
# /dev/cpu_dma_latency set to 0us
policy: fifo: loadavg: 0.10 0.06 0.02 1/161 521

T: 0 (  515) P:98 I:1000 C:  50834 Min:      2 Act:    5 Avg:    3 
Max:      14
T: 1 (  516) P:98 I:1500 C:  33887 Min:      2 Act:    3 Avg:    3 
Max:      15
T: 2 (  517) P:98 I:2000 C:  25412 Min:      2 Act:    3 Avg:    3 
Max:      14
T: 3 (  518) P:98 I:2500 C:  20327 Min:      3 Act:    3 Avg:    4 
Max:      14

Linux 4.14.7-1-ARCH
[root at pill-mobile4 gimmeapill]# cyclictest -S -m -p98
# /dev/cpu_dma_latency set to 0us
policy: fifo: loadavg: 0.13 0.08 0.03 1/139 492

T: 0 (  489) P:98 I:1000 C:  27676 Min:      2 Act:    6 Avg:    3 
Max:      16
T: 1 (  490) P:98 I:1500 C:  18453 Min:      2 Act:    5 Avg:    4 
Max:      21
T: 2 (  491) P:98 I:2000 C:  13839 Min:      3 Act:    5 Avg:    3 
Max:       9
T: 3 (  492) P:98 I:2500 C:  11070 Min:      3 Act:    4 Avg:    4 
Max:      13

BR,

LX