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verify-kernel-boot-log.sh: cap boot logs to 6000 max_lines #1195

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May 16, 2024
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verify-kernel-boot-log.sh: cap boot logs to 6000 max_lines #1195

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16 changes: 14 additions & 2 deletions test-case/verify-kernel-boot-log.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,19 @@ boot_log_exit_handler()
{
local exit_code=$1

# This script is normally run first and immediately after boot. 'max_lines' protects
# storage in case it's not (and debug logs are on!). Long logs also make the user
# interface unresponsive, see example in (unrelated)
# https://github.com/thesofproject/sof/issues/8761.
#
# A typical boot log with SOF debug is 3000 lines, see more numbers in
# detect_log_flood() comments below. Double that to be on the safe side.
local max_lines=6000

# For issues with sound daemons, display, USB, network, NTP, systemd, etc.
journalctl --boot > "$LOG_ROOT"/boot_log.txt
journalctl --boot | head -n "$max_lines" > "$LOG_ROOT"/boot_log.txt
# More focused
journalctl --dmesg > "$LOG_ROOT"/dmesg.txt
journalctl --dmesg | head -n "$max_lines" > "$LOG_ROOT"/dmesg.txt

print_test_result_exit "$exit_code"
}
Expand Down Expand Up @@ -174,6 +183,9 @@ detect_log_flood()
# `systemctl --user status [email protected]`
# as "FAILED" after a couple minutes trying so there's no risk of
# missing the problem.

# If this has to change in the future then 'max_lines' above should
# probably be updated too.
if [ "$recent_lines" -lt 6000 ]; then
return 0
fi
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