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HP Intelligent Management Center v5.2 Application Performance Manager Administrator Guide

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process. For example, Apache may generate a lot of httpd processes, and APM collects the CPU
usage ratio and the memory usage ratio for each httpd process selected.
CPU Usage Ratio—CPU usage ratio of the process in the last APM polling period.
Set Threshold icon —Click the Set Threshold icon to set alarm thresholds for the Linux
process CPU usage ratio. The data is highlighted in orange when the CPU usage ratio reaches
the level-1 threshold, and is highlighted in red when the CPU usage ratio reaches the level-2
threshold. Use the global thresholds or custom thresholds. For information about setting the
thresholds, see see "5 Configuration management."
History icon —Click the History icon to view the history graph of the CPU usage ratio
trend. Hover the cursor over a spot on the curve to view the data at the specific time point.
Operators can view the CPU usage ratio statistics over the last 1 hour, last 6 hours, today,
yesterday, this week, this month, and this year by clicking the corresponding icons.
Memory Usage Ratio—Memory usage ratio of the process in the last APM polling period.
History icon —Click the History icon to view the history graph of the memory usage
ratio trend. Hover the cursor over a spot on the curve to view the data at the specific time point.
Authorized users can view the memory usage ratio statistics over the last 1 hour, last 6 hours,
today, yesterday, this week, this month, and this year by clicking the corresponding icons.
More—Click More to view the CPU usage ratio and the memory usage ratio for processes with the
same name.
I/O State
APM can monitor the I/O status of disks, partitions, or logical volumes in Linux. The I/O State area layout
is shown in Figure 130.
Figure 130 I/O State area layout
I/O State area fields:
Device Name—Name of the disk, partition, or logical volume in Linux.
I/O Read Rate—Data output rate of the disk, partition, or logical volume in Linux.
I/O Write Rate—Data input rate of the disk, partition, or logical volume in Linux.