X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=doc%2Fquickstart.txt;h=64c6ab7718d1bc8a7e82eb87b95125762bf1710e;hb=dfafb1032f78331195cd93103c131568544425e7;hp=163544eee1e23fd3aa0695e0db7b53644fa172c1;hpb=b79f82bbde7fd1fb50a6820d5ffabdbe105941ed;p=lttng-tools.git diff --git a/doc/quickstart.txt b/doc/quickstart.txt index 163544eee..64c6ab771 100644 --- a/doc/quickstart.txt +++ b/doc/quickstart.txt @@ -55,35 +55,39 @@ If you have multiple sessions, you can change the current session by using # lttng set-session myothersession -2) Enable event(s). Here for example, we want only 'sched_switch' and -'sys_enter' events for the kernel (-k/--kernel). +2) Enable tracepoint event(s). Here for example, we want only +'sched_switch' and 'sched_wakeup' events for the kernel (-k/--kernel). -# lttng enable-event sched_switch,sys_enter -k +# lttng enable-event sched_switch,sched_wakeup -k -or enable ALL events (-a/--all): +or enable ALL tracepoint events (-a/--all): # lttng enable-event -a -k -3) Enable kprobes and/or the function tracer with lttng +3) Enable all system call event(s). + +# lttng enable-event -a -k --syscall + +4) Enable kprobes and/or the function tracer with lttng This is a new feature made possible by the new LTTng 2.0 kernel tracer. You can enable a dynamic probe and data will be output in the trace along side with your tracing data. -# lttng enable-event aname --probe symbol+0xffff7260695 +# lttng enable-event aname -k --probe symbol+0xffff7260695 or -# lttng enable-event aname --probe 0xffff7260695 +# lttng enable-event aname -k --probe 0xffff7260695 Either an
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