The resulting lttng view output should look like this:
-[15:54:19.454863179] (+?.?????????) thinkos lttng_ust_tracelog:err: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 0" }
-[15:54:19.454871660] (+0.000008481) thinkos lttng_ust_tracelog:err: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 1" }
-[15:54:19.454872838] (+0.000001178) thinkos lttng_ust_tracelog:err: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 2" }
-[15:54:19.454873541] (+0.000000703) thinkos lttng_ust_tracelog:err: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 3" }
-[15:54:19.454874283] (+0.000000742) thinkos lttng_ust_tracelog:err: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 4" }
+[15:54:19.454863179] (+?.?????????) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 0" }
+[15:54:19.454871660] (+0.000008481) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 1" }
+[15:54:19.454872838] (+0.000001178) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 2" }
+[15:54:19.454873541] (+0.000000703) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 3" }
+[15:54:19.454874283] (+0.000000742) thinkos lttng_ust_tracelog:TRACE_ERR: { cpu_id = 0 }, { line = 45, file = "demo-tracelog.c", func = "main", _msg_length = 17, msg = "Error condition 4" }