Re: [lttng-dev] 回复: 回复: some tracepoints not exist in metadata?

2020-07-01 Thread Mathieu Desnoyers via lttng-dev
Hi, Make sure you use single quotes in your shell around wildcards, else the shell will try to expand them to files in the current directory, e.g., you need to do: lttng enable-event -u 'system_event*' -c channel0 -s misc_data This could very well explain why sometimes your events don't get

[lttng-dev] convert call_site to func/offset

2020-07-01 Thread Liu, Changcheng via lttng-dev
Hi all, I checked __cyg_profile_func_enter implementation. The caller address is recorded into call_site field. Does anyone know how to let babeltrace show the call_site into "func/offset" format instead of the running virtual address? B.R. Changcheng _

Re: [lttng-dev] convert call_site to func/offset

2020-07-01 Thread Francis Deslauriers via lttng-dev
Hi Changcheng, This is not currently supported by Babeltrace. It could probably be done the same way we do it with the "ip" and "vpid" contexts in the debug-info component class but it's not done yet. Thanks, Francis Le mer. 1 juill. 2020, à 11 h 58, Liu, Changcheng via lttng-dev < lttng-dev@lis

Re: [lttng-dev] convert call_site to func/offset

2020-07-01 Thread Liu, Changcheng via lttng-dev
On 12:25 Wed 01 Jul, Francis Deslauriers wrote: >Hi Changcheng, >This is not currently supported by Babeltrace. It could probably be >done the same way we do it with the "ip" and "vpid" contexts in the >debug-info component class but it's not done yet. >Thanks, >Francis @Fr

[lttng-dev] 回复:回复: 回复: some tracepoints not exist in metadata?

2020-07-01 Thread zhenyu.ren via lttng-dev
Thanks a lot. I will try single quotes but it may take hours get the result. Yesterday, I enabled the verbose option ,and found the following message "UST app reply event failed. Application died (in add_event_ust_registry() at ust-app.c:5405)" and "UST app notify socket unregister 34 (in ust_a