Francesco Romani has uploaded a new change for review.
Change subject: WIP: sampling: add last_pair() method to SampleWindow
......................................................................
WIP: sampling: add last_pair() method to SampleWindow
HostStats thread need to access the last two stored samples.
To cope with this requirement, add last_pair() to SampleWindow class.
Change-Id: If73a6c0dc3503f6bcb02300517bbd2ff1424bcc3
Signed-off-by: Francesco Romani <from...@redhat.com>
---
M vdsm/virt/sampling.py
1 file changed, 7 insertions(+), 0 deletions(-)
git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/27/40427/1
diff --git a/vdsm/virt/sampling.py b/vdsm/virt/sampling.py
index 710bba9..d59ce2c 100644
--- a/vdsm/virt/sampling.py
+++ b/vdsm/virt/sampling.py
@@ -366,6 +366,13 @@
_, last_sample = self._samples[-1]
return last_sample
+ def last_pair(self):
+ if len(self._samples) < 2:
+ return None, None
+ _, prev_last_sample = self._samples[-2]
+ _, last_sample = self._samples[-1]
+ return prev_last_sample, last_sample
+
StatsSample = namedtuple('StatsSample',
['first_value', 'last_value',
--
To view, visit https://gerrit.ovirt.org/40427
To unsubscribe, visit https://gerrit.ovirt.org/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: If73a6c0dc3503f6bcb02300517bbd2ff1424bcc3
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Francesco Romani <from...@redhat.com>
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