X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=doc%2Fman%2Flttng.1;h=38a99ce63bd19ea35cf2d059793d58907eb652ea;hp=a8e02fafa11718c70436559071d6069c9d3f4f82;hb=1624d5b7ba86633d36f3a5c86ea1df5d308c4360;hpb=6d5d85c79765744fcad6ba189a256784b825e7bf diff --git a/doc/man/lttng.1 b/doc/man/lttng.1 index a8e02fafa..38a99ce63 100644 --- a/doc/man/lttng.1 +++ b/doc/man/lttng.1 @@ -345,6 +345,29 @@ same type. Use per PID buffer (\-u only). Each application has its own buffers. \-\-buffers-global Use shared buffer for the whole system (\-k only) +\-C, \-\-tracefile-size SIZE + Maximum size of of each tracefile within a stream (in bytes). +\-W, \-\-tracefile-count COUNT + Used in conjunction with \-C option, this will limit the number + of files created to the specified count. + +.B EXAMPLES: + +$ lttng enable-channel -C 4096 -W 32 chan1 +For each stream, the maximum size of a trace file will be 4096 bytes divided +over a \fBmaximum\fP of 32 different files. The file count is appended after +the stream number as seen in the following example. The last trace file is +smaller than 4096 since it was not completely filled. + + ~/lttng-traces/[...]/chan1_0_0 (4096) + ~/lttng-traces/[...]/chan1_0_1 (4096) + ~/lttng-traces/[...]/chan1_0_2 (3245) + ~/lttng-traces/[...]/chan1_1_0 (4096) + ... + +$ lttng enable-channel -C 4096 +This will create trace files of 4096 bytes and will create new ones as long as +there is data available. .fi .IP