ZLOG-gethostname gethostname(2) succeeded
ZLOG-gettid syscall(SYS_gettid) returned a non-negative tid
ZLOG-gettid-wrapper gettid(2) returned a non-negative tid
ZLOG-lockfile-open the rotate lock file opens O_RDWR|O_CREAT
ZLOG-lockfile-setlk fcntl(F_SETLK, F_WRLCK) acquired
ZLOG-lockfile-unlck OK fcntl(F_SETLK, F_UNLCK) errno=0
ZLOG-version zlog_version() = 1.2.12
ZLOG-init zlog_init() parsed the config and built the rotater
ZLOG-get-category zlog_get_category(stable) returned a category
ZLOG-render-stable wrote exactly "stable INFO hello-42\n"
ZLOG-level-filter wrote exactly "kept\nkept-too\n"
ZLOG-level-enabled-info OK zlog_level_enabled(INFO) = 1
ZLOG-level-enabled-debug OK zlog_level_enabled(DEBUG) = 0
ZLOG-spec-level-case wrote exactly "warn|WARN|w\n"
ZLOG-spec-func-line OK %U rendered the function name and %L a positive line
ZLOG-mdc-put OK zlog_put_mdc()
ZLOG-mdc-get OK zlog_get_mdc(who) = alice
ZLOG-mdc-remove OK after remove zlog_get_mdc(who) = (null)
ZLOG-mdc-render wrote exactly "alice|m1\n|m2\n"
ZLOG-hexdump OK hzlog rendered "\n             0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F    0123456789ABCDEF\n0000000001   41 42                                             AB              \n"
ZLOG-spec-env wrote exactly "envvalue\n"
ZLOG-spec-ktid-matches-syscall %k equals syscall(SYS_gettid)
ZLOG-rotate-happened OK rot.log=768 rot.log.1=1024 rot.log.2=1024
ZLOG-rotate-window OK the 3-file window filled: 768/1024/1024
ZLOG-fsync-period wrote exactly "a\nb\nc\n"
ZLOG-reload-rc OK zlog_reload() = 0
ZLOG-reload-render wrote exactly "before\nR2 after\n"
ZLOG-record-set OK zlog_set_record() = 0
ZLOG-record-called OK record fn called 1 time(s), last msg "recmsg\n"
ZLOG-threads SKIP guarded by ZLOG_PROBE_THREADS (pthread_join aborts on this arm, hardwarejs#12)
ZLOG-pipe SKIP guarded by ZLOG_PROBE_PIPE (rule.c uses popen(3), i.e. fork+exec)
ZLOG-probe-end OK all probes ran to completion