Messages in this thread | | | Date | Fri, 14 Nov 2014 12:50:39 +0100 | From | Jiri Olsa <> | Subject | Re: FW: [RFC 0/5] perf tools: Add perf data CTF conversion |
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adding Matthew Khouzam to the loop
jirka
On Thu, Nov 13, 2014 at 08:24:48PM +0100, Sebastian Andrzej Siewior wrote: > 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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