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| author | Stephen Hemminger <stephen@networkplumber.org> | 2017-10-29 11:33:40 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-31 13:40:29 +0100 |
| commit | 6981fbf3780366093858c5d2dcdaadcd1fbb04be (patch) | |
| tree | d67f014f536afb83a2b87957a44e5265965dad82 /include/linux/hyperv.h | |
| parent | 6fbf248a20d362a92de60beee9474faca0b54eee (diff) | |
| download | linux-stable-6981fbf3780366093858c5d2dcdaadcd1fbb04be.tar.gz linux-stable-6981fbf3780366093858c5d2dcdaadcd1fbb04be.tar.bz2 linux-stable-6981fbf3780366093858c5d2dcdaadcd1fbb04be.zip | |
Drivers: hv: vmbus: Expose per-channel interrupts and events counters
When investigating performance, it is useful to be able to look at
the number of host and guest events per-channel. This is equivalent
to per-device interrupt statistics.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/hyperv.h')
| -rw-r--r-- | include/linux/hyperv.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index ea6b5586ad77..f3e97c5f94c9 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -719,6 +719,10 @@ struct vmbus_channel { struct vmbus_close_msg close_msg; + /* Statistics */ + u64 interrupts; /* Host to Guest interrupts */ + u64 sig_events; /* Guest to Host events */ + /* Channel callback's invoked in softirq context */ struct tasklet_struct callback_event; void (*onchannel_callback)(void *context); |