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Table A-4. CPU Panel Statistics (Continued)
Line Description
CCPU(%) Percentages of total CPU time as reported by the ESX service console. This field is not displayed if
you are using ESXi.
n
us — Percentage user time.
n
sy — Percentage system time.
n
id — Percentage idle time.
n
wa — Percentage wait time.
n
cs/sec — Context switches per second recorded by the service console.
ID Resource pool ID or virtual machine ID of the running world’s resource pool or virtual machine, or
world ID of running world.
GID Resource pool ID of the running world’s resource pool or virtual machine.
NAME Name of running world’s resource pool or virtual machine, or name of running world.
NWLD Number of members in running world’s resource pool or virtual machine. If a Group is expanded
using the interactive command e (see interactive commands), then NWLD for all the resulting worlds
is 1 (some resource pools like the console resource pool have only one member).
%STATE TIMES Set of CPU statistics made up of the following percentages. For a world, the percentages are a
percentage of one physical CPU core.
%USED Percentage of physical CPU core cycles used by the resource pool, virtual machine, or world. %USED
might depend on the frequency with which the CPU core is running. When running with lower CPU
core frequency, %USED can be smaller than %RUN. On CPUs which support turbo mode, CPU
frequency can also be higher than the nominal (rated) frequency, and %USED can be larger than
%RUN.
%SYS Percentage of time spent in the ESX/ESXi VMkernel on behalf of the resource pool, virtual machine,
or world to process interrupts and to perform other system activities. This time is part of the time
used to calculate %USED.
%WAIT Percentage of time the resource pool, virtual machine, or world spent in the blocked or busy wait
state. This percentage includes the percentage of time the resource pool, virtual machine, or world
was idle.
%IDLE Percentage of time the resource pool, virtual machine, or world was idle. Subtract this percentage
from %WAIT to see the percentage of time the resource pool, virtual machine, or world was waiting
for some event. The difference, %WAIT- %IDLE, of the VCPU worlds can be used to estimate guest
I/O wait time. To find the VCPU worlds, use the single-key command e to expand a virtual machine
and search for the world NAME starting with "vcpu". (Note that the VCPU worlds might wait for
other events besides I/O events, so, this measurement is only an estimate.)
%RDY Percentage of time the resource pool, virtual machine, or world was ready to run, but was not be
provided CPU resources on which to execute.
%MLMTD (max
limited)
Percentage of time the ESX/ESXi VMkernel deliberately did not run the resource pool, virtual
machine, or world because doing so would violate the resource pool, virtual machine, or world's
limit setting. Because the resource pool, virtual machine, or world is ready to run when it is prevented
from running in this way, the %MLMTD (max limited) time is included in %RDY time.
%SWPWT Percentage of time a resource pool or world spends waiting for the ESX/ESXi VMkernel to swap
memory. The %SWPWT (swap wait) time is included in the %WAIT time.
EVENT COUNTS/s Set of CPU statistics made up of per second event rates. These statistics are for VMware internal use
only.
CPU ALLOC Set of CPU statistics made up of the following CPU allocation configuration parameters.
AMIN Resource pool, virtual machine, or world attribute Reservation.
AMAX Resource pool, virtual machine, or world attribute Limit. A value of -1 means unlimited.
ASHRS Resource pool, virtual machine, or world attribute Shares.
SUMMARY STATS Set of CPU statistics made up of the following CPU configuration parameters and statistics. These
statistics apply only to worlds and not to virtual machines or resource pools.
Appendix A Performance Monitoring Utilities: resxtop and esxtop
VMware, Inc. 85
- Update 1 1
- ESXi 4.0 1
- EN-000264-03 1
- 2 VMware, Inc 2
- Contents 3
- 4 VMware, Inc 4
- Updated Information 5
- 6 VMware, Inc 6
- About This Book 7
- 8 VMware, Inc 8
- Getting Started with Resource 9
- Management 1 9
- Resource Consumers 10
- Goals of Resource Management 10
- Resource Allocation Shares 11
- Resource Allocation Limit 12
- CPU Section 13
- Memory Section 14
- Admission Control 16
- Managing CPU Resources 2 17
- Administering CPU Resources 18
- View Processor Information 19
- Specifying CPU Configuration 19
- Multicore Processors 19
- Hyperthreading 20
- Enable Hyperthreading 21
- Quarantining 22
- Using CPU Affinity 23
- CPU Power Management 24
- Managing Memory Resources 3 25
- Memory Overcommitment 26
- Memory Sharing 26
- Performance Considerations 27
- Understanding Memory Overhead 29
- 30 VMware, Inc 30
- Memory Reclamation 31
- Using Swap Files 32
- VMware, Inc. 33 33
- 34 VMware, Inc 34
- VMware, Inc. 35 35
- 36 VMware, Inc 36
- Managing Resource Pools 4 37
- Why Use Resource Pools? 38
- Create Resource Pools 39
- 40 VMware, Inc 40
- VMware, Inc. 41 41
- 42 VMware, Inc 42
- VMware, Inc. 43 43
- 44 VMware, Inc 44
- Creating a DRS Cluster 5 45
- Group Power On 46
- Virtual Machine Migration 47
- DRS Migration Threshold 48
- Migration Recommendations 48
- DRS Cluster Prerequisites 49
- Create a DRS Cluster 50
- Disable DRS 51
- 52 VMware, Inc 52
- Using DRS Clusters to Manage 53
- Resources 6 53
- Edit DRS Rules 54
- Disable DRS Rules 54
- Delete DRS Rules 54
- Adding Hosts to a Cluster 55
- Remove Hosts from a Cluster 56
- Using Maintenance Mode 57
- Using Standby Mode 57
- DRS Cluster Validity 58
- VMware, Inc. 59 59
- Overcommitted DRS Clusters 60
- Invalid DRS Clusters 61
- Managing Power Resources 62
- VMware, Inc. 63 63
- 64 VMware, Inc 64
- Automation Level 65
- VMware DPM Threshold 65
- Host-Level Overrides 65
- Monitoring VMware DPM 66
- VMware, Inc. 67 67
- CPU Utilization 68
- Memory Utilization 68
- Using the DRS Tab 69
- DRS Faults Page 70
- DRS History Page 71
- 72 VMware, Inc 72
- What is NUMA? 73
- 74 VMware, Inc 74
- VMware, Inc. 75 75
- IBM Enterprise X-Architecture 76
- Specifying NUMA Controls 77
- 78 VMware, Inc 78
- VMware, Inc. 79 79
- 80 VMware, Inc 80
- Using the resxtop Utility 81
- Using the esxtop Utility 81
- 82 VMware, Inc 82
- Common Statistics Description 83
- CPU Panel 84
- Memory Panel 86
- VMware, Inc. 87 87
- 88 VMware, Inc 88
- Storage Adapter Panel 89
- 90 VMware, Inc 90
- Storage Device Panel 91
- 92 VMware, Inc 92
- Virtual Machine Storage Panel 93
- 94 VMware, Inc 94
- Network Panel 95
- Using Batch Mode 96
- Using Replay Mode 97
- Prepare for Replay Mode 98
- Use esxtop in Replay Mode 98
- Advanced Attributes B 99
- Advanced Memory Attributes 100
- Advanced NUMA Attributes 101
- 102 VMware, Inc 102
- VMware, Inc 103
- 104 VMware, Inc 104
- VMware, Inc. 105 105
- 106 VMware, Inc 106
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