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| author | Daan De Meyer <daan.j.demeyer@gmail.com> | 2023-04-20 10:43:21 +0200 |
|---|---|---|
| committer | Daan De Meyer <daan.j.demeyer@gmail.com> | 2023-04-20 13:43:36 +0200 |
| commit | 3fe07e952515448fb04fd421376ca965947196ce (patch) | |
| tree | 12046ed97f318a90b5422c400a380e945c9b6a60 /src/basic | |
| parent | log: Add knob to disable kmsg ratelimiting (diff) | |
| download | systemd-3fe07e952515448fb04fd421376ca965947196ce.tar.xz systemd-3fe07e952515448fb04fd421376ca965947196ce.zip | |
log: Log when kmsg is being ratelimited
Let's avoid confusing developers and users when log messages suddenly
stop getting logged to kmsg because of ratelimiting by logging an
additional message if we start ratelimiting log messages to kmsg.
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/log.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/basic/log.c b/src/basic/log.c index d0fef3554f..4cd2d5a4ab 100644 --- a/src/basic/log.c +++ b/src/basic/log.c @@ -553,8 +553,12 @@ static int write_to_kmsg( if (kmsg_fd < 0) return 0; - if (ratelimit_kmsg && !ratelimit_below(&ratelimit)) - return 0; + if (ratelimit_kmsg && !ratelimit_below(&ratelimit)) { + if (ratelimit_num_dropped(&ratelimit) > 1) + return 0; + + buffer = "Too many messages being logged to kmsg, ignoring"; + } xsprintf(header_priority, "<%i>", level); xsprintf(header_pid, "["PID_FMT"]: ", getpid_cached()); |