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authorNadav Amit <namit@vmware.com>2018-09-20 10:30:20 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-25 20:11:43 +0200
commit8840a6f4a7b18cc3da54271b093516afa9eb4362 (patch)
treec5957084f899619c91cb73b603c7697d32736032 /drivers/misc
parent22d293ee8d82ae2ddbc96b4413d7fbf5c1ddfc17 (diff)
downloadlinux-8840a6f4a7b18cc3da54271b093516afa9eb4362.tar.bz2
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 <xdeguillard@vmware.com> Signed-off-by: Nadav Amit <namit@vmware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/vmw_balloon.c7
1 files 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)