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Message-Id: <1322523185-456-4-git-send-email-paulmck@linux.vnet.ibm.com> Date: Mon, 28 Nov 2011 15:32:56 -0800 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca, josh@...htriplett.org, niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu, dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com, patches@...aro.org, "Paul E. McKenney" <paul.mckenney@...aro.org>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Subject: [PATCH RFC tip/core/rcu 04/13] rcu: Update trace_rcu_dyntick() header comment From: Paul E. McKenney <paul.mckenney@...aro.org> This commit updates the trace_rcu_dyntick() header comment to reflect events added by commit 4b4f421. Signed-off-by: Paul E. McKenney <paul.mckenney@...aro.org> Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> --- include/trace/events/rcu.h | 12 ++++++++++-- 1 files changed, 10 insertions(+), 2 deletions(-) diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index c29fb2f..7f6877a 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -241,8 +241,16 @@ TRACE_EVENT(rcu_fqs, /* * Tracepoint for dyntick-idle entry/exit events. These take a string - * as argument: "Start" for entering dyntick-idle mode and "End" for - * leaving it. + * as argument: "Start" for entering dyntick-idle mode, "End" for + * leaving it, "--=" for events moving towards idle, and "++=" for events + * moving away from idle. "Error on entry: not idle task" and "Error on + * exit: not idle task" indicate that a non-idle task is erroneously + * toying with the idle loop. + * + * These events also take a pair of numbers, which indicate the nesting + * depth before and after the event of interest. Note that task-related + * events use the upper bits of each number, while interrupt-related + * events use the lower bits. */ TRACE_EVENT(rcu_dyntick, -- 1.7.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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