- "BABELTRACE_COMMON_LOG_LEVEL",
- "BABELTRACE_COMPAT_LOG_LEVEL",
- "BABELTRACE_CTFSER_LOG_LEVEL",
- "BABELTRACE_FD_CACHE_LOG_LEVEL",
- "BABELTRACE_FLT_LTTNG_UTILS_DEBUG_INFO_LOG_LEVEL",
- "BABELTRACE_FLT_UTILS_COUNTER_LOG_LEVEL",
- "BABELTRACE_FLT_UTILS_MUXER_LOG_LEVEL",
- "BABELTRACE_FLT_UTILS_TRIMMER_LOG_LEVEL",
- "BABELTRACE_PLUGIN_CTF_BFCR_LOG_LEVEL",