CPU usage monitoring from an hypervised Linux environment
In a PikeOS hypervised system that contains several ElinOS instances, I need to monitor how each cores of the CPU are doing. From the tests I ran so far, I can only see one core's load and it doesn't even seem to be correct.
For example, I run two ElinOS instances on the same core, one has a test application that consumes a lot of CPU time, so much that it makes the SSH laggy for both the instances. If I check the cpu load on the other instance, using mpstat for example, the result looks like this :
00:02:42 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
00:02:42 all 0.09 0.00 0.74 0.00 0.00 0.01 0.00 0.00 99.16
Even on the second instance I can feel a lack of responsiveness, yet the values displayed by mpstat are the same whatever runs on the cpu. Why is that?
linux cpu-usage hypervisor
asked Feb 7 at 13:38
StudStud
11
add a comment |
In a PikeOS hypervised system that contains several ElinOS instances, I need to monitor how each cores of the CPU are doing. From the tests I ran so far, I can only see one core's load and it doesn't even seem to be correct.
For example, I run two ElinOS instances on the same core, one has a test application that consumes a lot of CPU time, so much that it makes the SSH laggy for both the instances. If I check the cpu load on the other instance, using mpstat for example, the result looks like this :
00:02:42 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
00:02:42 all 0.09 0.00 0.74 0.00 0.00 0.01 0.00 0.00 99.16
Even on the second instance I can feel a lack of responsiveness, yet the values displayed by mpstat are the same whatever runs on the cpu. Why is that?
linux cpu-usage hypervisor
asked Feb 7 at 13:38
StudStud
11
add a comment |
In a PikeOS hypervised system that contains several ElinOS instances, I need to monitor how each cores of the CPU are doing. From the tests I ran so far, I can only see one core's load and it doesn't even seem to be correct.
For example, I run two ElinOS instances on the same core, one has a test application that consumes a lot of CPU time, so much that it makes the SSH laggy for both the instances. If I check the cpu load on the other instance, using mpstat for example, the result looks like this :
00:02:42 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
00:02:42 all 0.09 0.00 0.74 0.00 0.00 0.01 0.00 0.00 99.16
Even on the second instance I can feel a lack of responsiveness, yet the values displayed by mpstat are the same whatever runs on the cpu. Why is that?
linux cpu-usage hypervisor
asked Feb 7 at 13:38
StudStud
11
In a PikeOS hypervised system that contains several ElinOS instances, I need to monitor how each cores of the CPU are doing. From the tests I ran so far, I can only see one core's load and it doesn't even seem to be correct.
For example, I run two ElinOS instances on the same core, one has a test application that consumes a lot of CPU time, so much that it makes the SSH laggy for both the instances. If I check the cpu load on the other instance, using mpstat for example, the result looks like this :
00:02:42 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle
00:02:42 all 0.09 0.00 0.74 0.00 0.00 0.01 0.00 0.00 99.16
Even on the second instance I can feel a lack of responsiveness, yet the values displayed by mpstat are the same whatever runs on the cpu. Why is that?
linux cpu-usage hypervisor
linux cpu-usage hypervisor
asked Feb 7 at 13:38
StudStud
11
asked Feb 7 at 13:38
StudStud
11
asked Feb 7 at 13:38
StudStud
11
asked Feb 7 at 13:38
StudStud
11
asked Feb 7 at 13:38
StudStud
11
11
add a comment |
add a comment |
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