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| author | Nadav Amit <namit@vmware.com> | 2018-09-20 10:30:20 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-25 20:11:43 +0200 |
| commit | 8840a6f4a7b18cc3da54271b093516afa9eb4362 (patch) | |
| tree | c5957084f899619c91cb73b603c7697d32736032 | |
| parent | 22d293ee8d82ae2ddbc96b4413d7fbf5c1ddfc17 (diff) | |
| download | lwn-8840a6f4a7b18cc3da54271b093516afa9eb4362.tar.gz lwn-8840a6f4a7b18cc3da54271b093516afa9eb4362.zip | |
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>
| -rw-r--r-- | drivers/misc/vmw_balloon.c | 7 |
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) |