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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>
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1 changed files with 5 additions and 2 deletions
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@ -218,7 +218,8 @@ enum vmballoon_stat_page {
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enum vmballoon_stat_general {
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VMW_BALLOON_STAT_TIMER,
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VMW_BALLOON_STAT_DOORBELL,
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VMW_BALLOON_STAT_LAST = VMW_BALLOON_STAT_DOORBELL
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VMW_BALLOON_STAT_RESET,
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VMW_BALLOON_STAT_LAST = VMW_BALLOON_STAT_RESET
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};
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#define VMW_BALLOON_STAT_NUM (VMW_BALLOON_STAT_LAST + 1)
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@ -1303,6 +1304,7 @@ static void vmballoon_reset(struct vmballoon *b)
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vmballoon_deinit_batching(b);
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}
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vmballoon_stats_gen_inc(b, VMW_BALLOON_STAT_RESET);
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b->reset_required = false;
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error = vmballoon_vmci_init(b);
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@ -1380,7 +1382,8 @@ static const char * const vmballoon_stat_page_names[] = {
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static const char * const vmballoon_stat_names[] = {
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[VMW_BALLOON_STAT_TIMER] = "timer",
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[VMW_BALLOON_STAT_DOORBELL] = "doorbell"
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[VMW_BALLOON_STAT_DOORBELL] = "doorbell",
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[VMW_BALLOON_STAT_RESET] = "reset",
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};
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static int vmballoon_enable_stats(struct vmballoon *b)
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