Messages in this thread | | | Date | Thu, 21 Sep 2017 23:11:32 -0400 | From | Steven Rostedt <> | Subject | Re: [PATCH v6 0/2] tracing: Add trace events for preemption and irq disable/enable |
| |
Peter,
Do you have any qualms with this patch set?
-- Steve
On Thu, 21 Sep 2017 18:50:22 -0700 Joel Fernandes <joelaf@google.com> wrote:
> These patches add trace events support for preempt and irq disable/enable > events. > > Changes since v5: > - Use trace_*_rcuidle variants (thanks Steve!) > > Here's an example of how Android's systrace will be using it to show critical > sections as a gantt chart: http://imgur.com/download/TZplEVp > > Links to earlier series: > v5: https://lkml.org/lkml/2017/9/12/507 > v4: https://lkml.org/lkml/2017/9/6/724 > v3: https://lkml.org/lkml/2017/9/3/15 > > Joel Fernandes (2): > tracing: Prepare to add preempt and irq trace events > tracing: Add support for preempt and irq enable/disable events > > include/linux/ftrace.h | 3 +- > include/linux/irqflags.h | 4 +- > include/trace/events/preemptirq.h | 66 ++++++++++++++ > kernel/trace/Kconfig | 9 ++ > kernel/trace/Makefile | 1 + > kernel/trace/trace_irqsoff.c | 176 +++++++++++++++++++++++++++++++------- > 6 files changed, 226 insertions(+), 33 deletions(-) > create mode 100644 include/trace/events/preemptirq.h > > Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Peter Zilstra <peterz@infradead.org>
| |