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Message-ID: <20180920173026.141333-15-namit@vmware.com>
Date: Thu, 20 Sep 2018 10:30:20 -0700
From: Nadav Amit <namit@...are.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>
CC: <linux-kernel@...r.kernel.org>,
Xavier Deguillard <xdeguillard@...are.com>,
Nadav Amit <namit@...are.com>
Subject: [PATCH v2 14/20] 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@...are.com>
Signed-off-by: Nadav Amit <namit@...are.com>
---
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)
--
2.17.1
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