On Wed, Aug 21, 2013 at 11:09:44AM -0400, Steven Rostedt wrote: > > From: Jiejing Zhang <[email protected]> > > > > ftrace only report pid in task switch event, which is > > actually thread ID in user space view, the comm of > > the thread will be like "Thread-1", "Compiler", etc > > in android system, it's useful if we can add tgid > > information in ftrace event to find out the process > > id, and the process id's comm will help us to figure > > out the application, which was useful on data analysis > > tools.
Meh.. are you telling me you really can't do that otherwise? Adding this information makes the tracepoint slower for everybody else. How about you enable trace_sched_process_fork() and track things that way? Also, last time I tried to change one of these stupid tracepoints userspace broke.. Rostedt says people should be using libtraceevent but I'm sceptical. > > Change-Id: Ia99f58a56d691d770b3beb2f76de0351e6194a4a That needs to die. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
