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diff --git a/README.md b/README.md new file mode 100644 index 000000000000..c4c79a2eef3e --- /dev/null +++ b/README.md @@ -0,0 +1,114 @@ +# systemd-report-entropy +some helper to diagnose early boot entropy + +## Why ? +Because it is hard to check available entropy during system boot, +and lack of entropy can cause delay in system boot process. + +## How ? +Just start a systemd service early enough to report available entropy +to the journal, until systemd finished its booting. + +## Ok, how to use it + +1. Build and install the package +```bash +makepkg -si +``` + +2. Enable the service +```bash +sudo systemctl enable systemd-report-entropy.service +``` + +3. reboot + +4. check entropy report +```bash +journalctl -b0 -u systemd-report-entropy.service +``` + +## Example output: + +``` +-- Logs begin at Sat 2020-08-01 09:15:18 JST, end at Fri 2020-11-06 01:40:57 JST. -- +Nov 06 01:40:01 farseerfc-mbp systemd[1]: Started Start to report entropy in journal. +Nov 06 01:40:01 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:01,821656364+09:00 2256 +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[424]: starting +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:02,094607322+09:00 2257 +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[467]: starting +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:02,342393182+09:00 2261 +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[529]: starting +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:02,624923358+09:00 2265 +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[639]: starting +Nov 06 01:40:02 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:02,888413750+09:00 2269 +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[778]: starting +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:03,130162362+09:00 2270 +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[797]: starting +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:03,369049032+09:00 2271 +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[864]: starting +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:03,611843147+09:00 2272 +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[905]: starting +Nov 06 01:40:03 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:03,851492751+09:00 2273 +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[913]: starting +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:04,091936135+09:00 2275 +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[1036]: starting +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:04,330146916+09:00 2275 +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[1053]: starting +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:04,570204545+09:00 2276 +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[1092]: starting +Nov 06 01:40:04 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:04,817767855+09:00 2277 +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[1117]: starting +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:05,058280321+09:00 2277 +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[1125]: starting +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:05,297474806+09:00 2278 +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[1132]: starting +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:05,538473136+09:00 2279 +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[1139]: starting +Nov 06 01:40:05 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:05,779119853+09:00 2282 +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[1146]: starting +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:06,019094053+09:00 2287 +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[1153]: starting +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:06,262658068+09:00 2293 +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[1160]: starting +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:06,503870376+09:00 2296 +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[1167]: starting +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:06,749538576+09:00 2299 +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[1175]: starting +Nov 06 01:40:06 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:06,990995043+09:00 2301 +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[1182]: starting +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:07,232147585+09:00 2301 +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[1189]: starting +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:07,476427253+09:00 2302 +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[1233]: starting +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: ENTROPY 2020-11-06T01:40:07,717667752+09:00 2302 +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY is-system-running: +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[1249]: running +Nov 06 01:40:07 farseerfc-mbp systemd-report-entropy[311]: REPORT ENTROPY systemd boot finished, quit. +``` + + |