X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=doc%2Fman%2Flttng.1;h=0a548f825e9ab925e0c8bc274e99624b2f6f6966;hb=004f3466ecdda5e828d27d4a077a4234f57a2707;hp=0de06d7cbec62ede56a73a24b40bf452ae486269;hpb=7972aab22f74b18faa168c0482216a3dd711a075;p=lttng-tools.git diff --git a/doc/man/lttng.1 b/doc/man/lttng.1 index 0de06d7cb..0a548f825 100644 --- a/doc/man/lttng.1 +++ b/doc/man/lttng.1 @@ -230,7 +230,7 @@ Using these options, each API call can be controlled individually. For instance, \-C does not enable the consumer automatically. You'll need the \-e option for that. -\-U, \-\-set-uri=URL +\-U, \-\-set-url=URL Set URL for the consumer output destination. It is persistent for the session lifetime. Redo the command to change it. This will set both data and control URL for network. @@ -297,7 +297,8 @@ If NAME is omitted, the session name is taken from the .lttngrc file. .nf Enable tracing channel -To enable event, you must first enable a channel which contains event(s). +To enable an event, you must enable both the event and the channel that +contains it. If \fB\-s, \-\-session\fP is omitted, the session name is taken from the .lttngrc file. @@ -327,14 +328,14 @@ same type. Flight recorder mode : overwrites events when subbuffers are full \-\-subbuf-size SIZE Subbuffer size in bytes (default: 4096, kernel default: 262144) + Needs to be a power of 2 for both tracers \-\-num-subbuf NUM Number of subbuffers (default: 4) - Needs to be a power of 2 for kernel and ust tracers + Needs to be a power of 2 for both tracers \-\-switch-timer USEC - Switch subbuffer timer interval in usec (default: 0) - Needs to be a power of 2 for kernel and ust tracers + Switch subbuffer timer interval in µsec (default: 0) \-\-read-timer USEC - Read timer interval in usec (default: 200) + Read timer interval in µsec (default: 200) \-\-output TYPE Channel output type. Possible values: mmap, splice \-\-buffers-uid