From 8840a6f4a7b18cc3da54271b093516afa9eb4362 Mon Sep 17 00:00:00 2001 From: Nadav Amit Date: Thu, 20 Sep 2018 10:30:20 -0700 Subject: [PATCH] vmw_balloon: add reset stat It is useful to expose how many times the balloon resets. If it happens more than very rarely - this is an indication for a problem. Reviewed-by: Xavier Deguillard Signed-off-by: Nadav Amit Signed-off-by: Greg Kroah-Hartman --- drivers/misc/vmw_balloon.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index 99a831ea82c0..9b0b3fa4f836 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -218,7 +218,8 @@ enum vmballoon_stat_page { enum vmballoon_stat_general { VMW_BALLOON_STAT_TIMER, VMW_BALLOON_STAT_DOORBELL, - VMW_BALLOON_STAT_LAST = VMW_BALLOON_STAT_DOORBELL + VMW_BALLOON_STAT_RESET, + VMW_BALLOON_STAT_LAST = VMW_BALLOON_STAT_RESET }; #define VMW_BALLOON_STAT_NUM (VMW_BALLOON_STAT_LAST + 1) @@ -1303,6 +1304,7 @@ static void vmballoon_reset(struct vmballoon *b) vmballoon_deinit_batching(b); } + vmballoon_stats_gen_inc(b, VMW_BALLOON_STAT_RESET); b->reset_required = false; error = vmballoon_vmci_init(b); @@ -1380,7 +1382,8 @@ static const char * const vmballoon_stat_page_names[] = { static const char * const vmballoon_stat_names[] = { [VMW_BALLOON_STAT_TIMER] = "timer", - [VMW_BALLOON_STAT_DOORBELL] = "doorbell" + [VMW_BALLOON_STAT_DOORBELL] = "doorbell", + [VMW_BALLOON_STAT_RESET] = "reset", }; static int vmballoon_enable_stats(struct vmballoon *b) -- 2.20.1