Commit 4e9bc857 authored by Joanne Hugé's avatar Joanne Hugé

Merge branch 'measure-analysis'

parents 7a439618 0b446ea4
...@@ -26,7 +26,7 @@ Uses cyclictest from the rt-tests test suite to measure wake-up latency. A real- ...@@ -26,7 +26,7 @@ Uses cyclictest from the rt-tests test suite to measure wake-up latency. A real-
**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:** 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
Metadata | Minimum | Maximum | Average | Standard deviance Metadata | Minimum | Maximum | Average | Standard deviation
------------------------- | ------------------- | ------------------- | ------------------- | ------------------- ------------------------- | ------------------- | ------------------- | ------------------- | -------------------
**board, duration, load** | **wake-up latency** | **wake-up latency** | **wake-up latency** | **wake-up latency** **board, duration, load** | **wake-up latency** | **wake-up latency** | **wake-up latency** | **wake-up latency**
Slate, 21h22, hackbench | 14.0000us | 65.0000us | 21.2779us | 2.1746us Slate, 21h22, hackbench | 14.0000us | 65.0000us | 21.2779us | 2.1746us
...@@ -42,7 +42,7 @@ Similar to packet_recv_timestamps, but on the transmitting board. ...@@ -42,7 +42,7 @@ Similar to packet_recv_timestamps, but on the transmitting board.
**Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Task priority: 99, Device and processor load: ssh, etf_offset: none, route: switch **Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Task priority: 99, Device and processor load: ssh, etf_offset: none, route: switch
Metadata | Minimum | Maximum | Average | Standard deviance Metadata | Minimum | Maximum | Average | Standard deviation
--------------------------------------- | ----------------------------- | ----------------------------- | ----------------------------- | ----------------------------- --------------------------------------- | ----------------------------- | ----------------------------- | ----------------------------- | -----------------------------
**board, i, duration, delta, qdisc** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space** **board, i, duration, delta, qdisc** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space**
Onyx, 100000us, 0h17, 200us, pfifo_fast | 2.0000us - 42.0000us | 12.0000us - 145.0000us | 2.3099us - 51.8681us | 0.5212us - 7.5021us Onyx, 100000us, 0h17, 200us, pfifo_fast | 2.0000us - 42.0000us | 12.0000us - 145.0000us | 2.3099us - 51.8681us | 0.5212us - 7.5021us
...@@ -60,7 +60,7 @@ An UDP packet is periodically sent from one board to another using a real time t ...@@ -60,7 +60,7 @@ An UDP packet is periodically sent from one board to another using a real time t
**Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Task priority: 99, Device and processor load: ssh, etf_offset: none, route: switch **Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Task priority: 99, Device and processor load: ssh, etf_offset: none, route: switch
Metadata | Minimum | Maximum | Average | Standard deviance Metadata | Minimum | Maximum | Average | Standard deviation
---------------------------------------- | ----------------------------- | ----------------------------- | ----------------------------- | ----------------------------- ---------------------------------------- | ----------------------------- | ----------------------------- | ----------------------------- | -----------------------------
**i, duration, board, delta, qdisc** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space** **i, duration, board, delta, qdisc** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space** | **user_space - kernel_space**
100000us, 0h17, Slate, 200us, pfifo_fast | 0.0000us - 44.0000us | 26.0000us - 142.0000us | 0.1151us - 55.4212us | 0.4057us - 7.6346us 100000us, 0h17, Slate, 200us, pfifo_fast | 0.0000us - 44.0000us | 26.0000us - 142.0000us | 0.1151us - 55.4212us | 0.4057us - 7.6346us
...@@ -77,8 +77,8 @@ An UDP packet is periodically sent from one board to another using a real time t ...@@ -77,8 +77,8 @@ An UDP packet is periodically sent from one board to another using a real time t
**Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Task priority: 99, Device and processor load: ssh **Common test metadata:** Linux kernel version: 4.19, Boot Parameters: isolcpus, Task priority: 99, Device and processor load: ssh
Metadata | Minimum | Maximum | Average | Standard deviance Metadata | Minimum | Maximum | Average | Standard deviation
------------------------------------------------------- | ----------- | ---------- | ---------- | ----------------- ------------------------------------------------------- | ----------- | ---------- | ---------- | ------------------
**i, duration, board, delta, qdisc, etf_offset, route** | **jitter** | **jitter** | **jitter** | **jitter** **i, duration, board, delta, qdisc, etf_offset, route** | **jitter** | **jitter** | **jitter** | **jitter**
100000us, 0h17, Slate, none, pfifo_fast, none, switch | -139.0000us | 147.0000us | 10.4314us | 15.8981us 100000us, 0h17, Slate, none, pfifo_fast, none, switch | -139.0000us | 147.0000us | 10.4314us | 15.8981us
1000us, 16h48, Slate, none, pfifo_fast, none, switch | -434.0000us | 237.0000us | 6.9930us | 9.0448us 1000us, 16h48, Slate, none, pfifo_fast, none, switch | -434.0000us | 237.0000us | 6.9930us | 9.0448us
...@@ -94,11 +94,22 @@ An UDP packet is periodically sent from one board to another and sent back as so ...@@ -94,11 +94,22 @@ An UDP packet is periodically sent from one board to another and sent back as so
**Common test metadata:** Board name: Onyx, Linux kernel version: 4.19, Boot Parameters: isolcpus, Interval: 10000us, ETF qdisc delta: 200us, Task priority: 99, Device and processor load: ssh, Test duration: 0h4, qdisc: pfifo_fast, etf_offset: none, route: switch **Common test metadata:** Board name: Onyx, Linux kernel version: 4.19, Boot Parameters: isolcpus, Interval: 10000us, ETF qdisc delta: 200us, Task priority: 99, Device and processor load: ssh, Test duration: 0h4, qdisc: pfifo_fast, etf_offset: none, route: switch
Minimum | Maximum | Average | Standard deviance Minimum | Maximum | Average | Standard deviation
---------- | ---------- | ---------- | ----------------- ---------- | ---------- | ---------- | ------------------
**rtt** | **rtt** | **rtt** | **rtt** **rtt** | **rtt** | **rtt** | **rtt**
636.0000us | 972.0000us | 674.0051us | 15.5468us 636.0000us | 972.0000us | 674.0051us | 15.5468us
![alt text](measures/graphs/packet_rttrtt.png "packet_rtt Graph") ![alt text](measures/graphs/packet_rttrtt.png "packet_rtt Graph")
### packet_jitter_tcpdump results
**Common test metadata:** Board name: Onyx, Linux kernel version: 4.19, Boot Parameters: isolcpus, Interval: 1000, ETF qdisc delta: 150us, Task priority: 99, Device and processor load: ssh, Test duration: 0h1, qdisc: etf, etf_offset: 300us, route: switch
Minimum | Maximum | Average | Standard deviation
---------- | ---------- | ---------- | ------------------
**jitter** | **jitter** | **jitter** | **jitter**
-60.0000us | 90.0000us | 12.0601us | 13.9270us
![alt text](measures/graphs/packet_jitter_tcpdumpjitter.png "packet_jitter_tcpdump Graph")
{"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], "next_id": 7}, "packet_rtt": {"ids": [0], "next_id": 1}} {"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], "next_id": 7}, "packet_rtt": {"ids": [0], "next_id": 1}, "packet_jitter_tcpdump": {"ids": [0], "next_id": 1}}
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