Hi Amit, Can you open a bug against lttng-tools on bugs.lttng.org? This way we'll be sure to track the change.
Thanks, Jérémie On Wed, Apr 2, 2014 at 5:23 AM, Amit Margalit <[email protected]> wrote: > Hello, > > I ran a command that included an error, and noticed that 'lttng' mentions -j > in --buffers-pid and --buffers-uid, but nowhere else: > > # /usr/bin/lttng enable-channel -u > Error: Missing channel name. > > usage: lttng enable-channel NAME[,NAME2,...] (-u | -k) [OPTIONS] > > Options: > -h, --help Show this help > --list-options Simple listing of options > -s, --session NAME Apply to session name > -k, --kernel Apply to the kernel tracer > -u, --userspace Apply to the user-space tracer > > Channel options: > --discard Discard event when buffers are full (default) > --overwrite Flight recorder mode > --subbuf-size SIZE Subbuffer size in bytes {+k,+M,+G} > (default UST uid: 131072, UST pid: 4096, > kernel: 262144, metadata: 4096) > Rounded up to the next power of 2. > --num-subbuf NUM Number of subbufers > (default UST uid: 4, UST pid: 4, kernel: 4, > metadata: 2) > Rounded up to the next power of 2. > --switch-timer USEC Switch timer interval in usec > (default UST uid: 0, UST pid: 0, kernel: 0, > metadata: 0) > --read-timer USEC Read timer interval in usec. > (default UST uid: 0, UST pid: 0, kernel: > 200000, metadata: 0) > --output TYPE Channel output type (Values: mmap, splice) > (default UST uid: mmap, UST pid: mmap, > kernel: splice, metadata: mmap) > --buffers-uid Use per UID buffer (-u/-j only) > --buffers-pid Use per PID buffer (-u/-j only) > --buffers-global Use shared buffer for the whole system (-k only) > -C, --tracefile-size SIZE > Maximum size of each tracefile within a stream > (in bytes). 0 means unlimited. > (default: 0) > -W, --tracefile-count COUNT > Used in conjunction with -C option, this will > limit the number > of files created to the specified count. 0 means > unlimited. > (default: 0) > > Error: Command error > > You can see these 2 lines: > > --buffers-uid Use per UID buffer (-u/-j only) > --buffers-pid Use per PID buffer (-u/-j only) > > But -j is not explained above. > > Amit Margalit > IBM XIV - Storage Reinvented > XIV-NAS Development Team > Tel. 03-689-7774 > Fax. 03-689-7230 > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > -- Jérémie Galarneau EfficiOS Inc. http://www.efficios.com _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
