Commit | Line | Data |
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eb8246a0 MD |
1 | This is a demo application showing how to trace logging statements into |
2 | LTTng-UST. | |
3 | ||
4 | The simplest commands to trace the demo program are: | |
5 | ||
6 | lttng create | |
7 | lttng enable-event -u "lttng_ust_tracelog:*" | |
8 | lttng start | |
9 | ./demo-tracelog | |
10 | lttng stop | |
11 | lttng view | |
12 | lttng destroy | |
13 | ||
14 | The resulting lttng view output should look like this: | |
15 | ||
c4d667ed MD |
16 | [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" } |
17 | [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" } | |
18 | [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" } | |
19 | [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" } | |
20 | [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" } |