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Viewing Process Monitoring

Updated on 2024-08-27 GMT+08:00

Process monitoring is used to monitor active processes on a host. By default, the Agent collects CPU usage, memory usage, and the number of opened files of the active processes. If you have customized process monitoring, the number of processes containing keywords is also monitored.

The Agent collects process CPU usages once every minute and displays the top 5 processes, ranked by the CPU usage over the last 24 hours.

NOTE:

To view the process monitoring information, install the Agent.

Querying the System Processes

After the Agent is installed, you can check system processes on Cloud Eye.

To query the number of processes

  1. Log in to the management console.
  2. Click Service List in the upper left corner and select Cloud Eye.
  3. In the navigation pane on the left, choose Server Monitoring.
  4. On the Server Monitoring page, locate the Monitoring Status column and enable the OS monitoring function.
    NOTE:

    Ensure that Monitoring Status is enabled for all ECSs for which you want to monitor system processes, so that you can query monitoring data of the system processes in a timely manner.

  5. On the Server Monitoring page, locate the ECS and click View Metric to go to the OS Monitoring page.
  6. Select the Process Monitoring tab.
    In the System Processes area, the process information is displayed. Table 1 describes the metrics of system processes.
    Table 1 System process metrics

    Metric

    Description

    Value Range

    Collection Mode (Linux)

    Collection Mode (Windows)

    Running Processes

    Number of processes that are running

    ≥ 0

    Monitored object: ECS or BMS

    You can obtain the state of each process by checking the Status value in the /proc/pid/status file, and then collect the total number of processes in each state.

    Not supported

    Idle Processes

    Number of processes that are idle

    ≥ 0

    Monitored object: ECS or BMS

    You can obtain the state of each process by checking the Status value in the /proc/pid/status file, and then collect the total number of processes in each state.

    Not supported

    Zombie Processes

    Number of zombie processes

    ≥ 0

    Monitored object: ECS or BMS

    You can obtain the state of each process by checking the Status value in the /proc/pid/status file, and then collect the total number of processes in each state.

    Not supported

    Blocked Processes

    Number of processes that are blocked

    ≥ 0

    Monitored object: ECS or BMS

    You can obtain the state of each process by checking the Status value in the /proc/pid/status file, and then collect the total number of processes in each state.

    Not supported

    Sleeping Processes

    Number of processes that are sleeping

    ≥ 0

    Monitored object: ECS or BMS

    You can obtain the state of each process by checking the Status value in the /proc/pid/status file, and then collect the total number of processes in each state.

    Not supported

    Total Processes

    Total number of processes

    ≥ 0

    Monitored object: ECS or BMS

    You can obtain the state of each process by checking the Status value in the /proc/pid/status file, and then collect the total number of processes in each state.

    Monitored object: ECS or BMS

    Obtain the total number of processes by using the system process status support module psapi.dll.

Viewing the Running Data of Top CPU Processes

  • The Agent collects process CPU usages once every minute and displays the top 5 processes, ranked by the CPU usage over the last 24 hours.
  • Run the top command to query the CPU usage and memory usage of a process.
  • Run the lsof or ls /proc/pid/fd |wc -l command to query the number of files opened by the current process. In the command, replace pid with the ID of the process to be queried.
    NOTE:
    • If a process occupies multiple CPUs, the CPU usage may exceed 100% because the collection result is the total usage of multiple CPUs.
    • The top 5 processes are not fixed. The process list displays the top 5 processes that have entered the statistical period of 1 minute in the last 24 hours.
    • The CPU usage, memory usage, and number of opened files are collected only for the top 5 processes for which monitoring has been enabled in the last 24 hours. If such a process has been stopped, its data will not be displayed.
    • The time in the list indicates the time when the process is created.
    • If the system time on the client browser is different from that on the monitored ECS, the graph may have no metric data. In this case, synchronize the local time with the ECS time.

To query information about top 5 processes with the highest CPU usages

  1. Log in to the management console.
  2. Click Service List in the upper left corner and select Cloud Eye.
  3. In the navigation pane on the left, choose Server Monitoring.
  4. On the Server Monitoring page, locate the Monitoring Status column and enable the OS monitoring function.
  5. On the Server Monitoring page, locate the ECS and click View Metric to go to the OS Monitoring page.
  6. Select the Process Monitoring tab.
  7. In the Monitored Processes area, click in the upper right corner to view Top 5 Processes with Highest CPU Usage.
  8. In the displayed TOP 5 Processes with Highest CPU Usage window, enable process monitoring for the processes, and click OK.

    In the Monitored Processes area, the system selects processes in the Running state by default and displays CPU usage curves of those processes in 1h. The displayed data is raw data.

    You can also select the process to be displayed and view its CPU usage curve in 1h.

    You can click CPU Usage, Memory Usage, or Open Files above the graph to view the curves of different metrics of the currently displayed process. Table 2 lists Process Monitoring metrics.

    Table 2 Process Monitoring metrics

    Metric

    Description

    Value Range

    Collection Mode (Linux)

    Collection Mode (Windows)

    CPU Usage

    Specifies the usage of CPU consumed by a process.

    pHashId (process name and process ID) is the value of md5.

    0–100%

    Monitored object: ECS or BMS

    Check the metric value changes in file /proc/pid/stat.

    Monitored object: ECS or BMS

    Call Windows API GetProcessTimes to obtain the CPU usage of the process.

    Memory Usage

    Specifies the memory consumed by a process. pHashId (process name and process ID) is the value of md5.

    0–100%

    Monitored object: ECS or BMS

    Memory Usage = RSS*PAGESIZE/MemTotal

    RSS: Obtain its value by checking the second column of file /proc/pid/statm.

    PAGESIZE: Obtain its value by running the getconf PAGESIZE command.

    MemTotal: Obtain its value by checking file /proc/meminfo.

    Monitored object: ECS or BMS

    Invoke Windows API procGlobalMemoryStatusEx to obtain the total memory size. Invoke GetProcessMemoryInfo to obtain the used memory size. Use the used memory size to divide the total memory size to get the memory usage.

    Open Files

    Specifies the number of opened files consumed by the process.

    pHashId (process name and process ID) is the value of md5.

    ≥ 0

    Monitored object: ECS or BMS

    You can run the ls -l /proc/pid/fd command to view the number.

    Not supported

  9. Hover your mouse over a graph. In the upper right corner, click to enlarge the graph for viewing detailed data.

    In the upper left corner, you can see six default monitoring periods: 1h, 3h, 12h, 1d, 7d, and 30d. To view historical monitoring data for any period during the last six months, customize the monitoring period by setting Select Range in the upper right corner.

    In the upper left corner of the graph, you can click Settings to configure the rollup method.

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