Messages in this thread | | | Date | Thu, 13 Nov 2014 20:24:48 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: FW: [RFC 0/5] perf tools: Add perf data CTF conversion |
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I try to get through my ctf mailbox and I hoped I can finish it today but I don't make it completely…
On 11/06/2014 04:25 AM, Alexandre Montplaisir wrote: > "mvn clean install". It is the Maven equivalent of "./configure && make" ;) > > Or if you want to build a standalone application (RCP): > mvn clean install -Pbuild-rcp -Dmaven.test.skip=true
thanks.
> Yes, the state dump is something specific to LTTng. It allows us to know > about processes that exist on the system, even if they are sleeping for > the whole duration of the trace (and thus, would not show up in the > trace at all). > > But even if these events are not present, we can still know about active > processes when they do shed_switch's for example.
good to know.
> IIRC, compat_sys is for instance for 32-bit system calls on a 64-bit > kernel. Perhaps the "compat" system calls are recorded as standard > system call events with perf? We could test it once we get the base > things working.
I booted a x86-64 in a 32bit userland and I expected to see them somewhere but nothing. However if the task has a compat flag then it would be the same information, right?
>> - static final String SYS_CLONE = "sys_clone"; >> here we have >> syscalls:sys_enter_clone >> syscalls:sys_exit_clone >> I guess the enter is what you are looking for. >> >> For the fields, this is one event with alle the members we have. Please >> note that lttng saves the members with the _ prefix and I haven't seen >> that prefix in that .java file. > > As Mathieu explained in his reply, in LTTng-CTF they have a _ before > field names. In our parser, we take out the first character if it is an > underscore. So it should still work with underscore-less fields.
I see. I think it started working once I added the underline prefix but I might be wrong. Let me see what Mathieu says if I may leave that prefix out.
> Cheers, > Alexandre Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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