From e6e6cc22e067a6f44449aa8fd0328404079c3ba5 Mon Sep 17 00:00:00 2001 From: Frederic Weisbecker Date: Fri, 11 Dec 2015 03:27:25 +0100 Subject: nohz: Use enum code for tick stop failure tracing message It makes nohz tracing more lightweight, standard and easier to parse. Examples: user_loop-2904 [007] d..1 517.701126: tick_stop: success=1 dependency=NONE user_loop-2904 [007] dn.1 518.021181: tick_stop: success=0 dependency=SCHED posix_timers-6142 [007] d..1 1739.027400: tick_stop: success=0 dependency=POSIX_TIMER user_loop-5463 [007] dN.1 1185.931939: tick_stop: success=0 dependency=PERF_EVENTS Suggested-by: Peter Zijlstra Reviewed-by: Chris Metcalf Cc: Christoph Lameter Cc: Chris Metcalf Cc: Ingo Molnar Cc: Luiz Capitulino Cc: Peter Zijlstra Cc: Rik van Riel Cc: Thomas Gleixner Cc: Viresh Kumar Signed-off-by: Frederic Weisbecker --- include/linux/tick.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/tick.h') diff --git a/include/linux/tick.h b/include/linux/tick.h index d60e5df8ec28..96d276a923bf 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -104,6 +104,7 @@ enum tick_dep_bits { TICK_DEP_BIT_CLOCK_UNSTABLE = 3 }; +#define TICK_DEP_MASK_NONE 0 #define TICK_DEP_MASK_POSIX_TIMER (1 << TICK_DEP_BIT_POSIX_TIMER) #define TICK_DEP_MASK_PERF_EVENTS (1 << TICK_DEP_BIT_PERF_EVENTS) #define TICK_DEP_MASK_SCHED (1 << TICK_DEP_BIT_SCHED) -- cgit v1.2.3