Commit a021d914 authored by Joanne Hugé's avatar Joanne Hugé

Add two measures with kernel 5.6

parent 6e3e5c63
......@@ -23,15 +23,17 @@ Measures measuring the same propriety are grouped together in tables and graphs,
Uses cyclictest from the rt-tests test suite to measure wake-up latency. A real-time thread is run on CPU1, and wakes up at a regular interval (specified by the interval parameter) using clock_nanosleep. It then uses clock_gettime and computes the difference between the scheduled wake-up time and the effective wake-up time measured by clock_gettime. The command used is: cyclictest -p `prio` -a1 -t1 -n -h 200 -q -i `interval`
**Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Interval: 200us, ETF qdisc delta: 200us, Task priority: 99, qdisc: pfifo_fast, etf_offset: none, route: switch
**Common test metadata:** Boot Parameters: isolcpus, Interval: 200us, Task priority: 99, qdisc: pfifo_fast, etf_offset: none, route: switch
Metadata | Minimum | Maximum | Average | Standard deviation
---------------------------- | ------------------- | ------------------- | ------------------- | -------------------
**duration, load** | **wake-up latency** | **wake-up latency** | **wake-up latency** | **wake-up latency**
21h22, hackbench (384342932) | 14.0000us | 65.0000us | 21.2779us | 2.1746us
21h22, hackbench (384614861) | 14.0000us | 112.0000us | 19.5352us | 2.0136us
46h, hackbench (1269804578) | 14.0000us | 72.0000us | 20.5580us | 1.9820us
24h, ssh (303042302) | 12.0000us | 80.0000us | 15.4101us | 1.1091us
----------------------------------------- | ------------------- | ------------------- | ------------------- | -------------------
**duration, load, ker, delta** | **wake-up latency** | **wake-up latency** | **wake-up latency** | **wake-up latency**
21h22, hackbench, 4.19, 200us (384342932) | 14.0000us | 65.0000us | 21.2779us | 2.1746us
21h22, hackbench, 4.19, 200us (384614861) | 14.0000us | 112.0000us | 19.5352us | 2.0136us
46h, hackbench, 4.19, 200us (1269804578) | 14.0000us | 72.0000us | 20.5580us | 1.9820us
24h, ssh, 4.19, 200us (303042302) | 12.0000us | 80.0000us | 15.4101us | 1.1091us
0h4, ssh, 5.6, none (1274173) | 16.0000us | 391.0000us | 94.1305us | 60.3282us
0h4, hackbench, 5.6, none (1103179) | 18.0000us | 70.0000us | 27.9461us | 2.6279us
![alt text](measures/graphs/cyclictest_wake-up_latencywake-up latency.png "cyclictest_wake-up_latency Graph")
......
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\ No newline at end of file
{"cyclictest_wake-up_latency": {"ids": [25, 26, 28, 30], "next_id": 31}, "packet_send_timestamps": {"ids": [0, 5, 6, 7], "next_id": 8}, "packet_recv_timestamps": {"ids": [0, 1, 2], "next_id": 3}, "packet_jitter": {"ids": [0, 3, 4, 5, 6, 7, 8, 9, 10], "next_id": 11}, "packet_rtt": {"ids": [0], "next_id": 1}, "packet_jitter_tcpdump": {"ids": [0, 1], "next_id": 2}}
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{"cyclictest_wake-up_latency": {"ids": [25, 26, 28, 30, 31, 32], "next_id": 33}, "packet_send_timestamps": {"ids": [0, 5, 6, 7], "next_id": 8}, "packet_recv_timestamps": {"ids": [0, 1, 2], "next_id": 3}, "packet_jitter": {"ids": [0, 3, 4, 5, 6, 7, 8, 9, 10], "next_id": 11}, "packet_rtt": {"ids": [0], "next_id": 1}, "packet_jitter_tcpdump": {"ids": [0, 1], "next_id": 2}}
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