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os_runtime_statistic (Host-Side syscall and pthreadcall)

The timeline information of host-side syscall and pthreadcall data is displayed at the OS Runtime API level in the msprof_*.json file. The summary information is summarized in the os_runtime_statistic_*.csv file.

Availability

Atlas 200/300/500 Inference Product

Atlas Training Series Product

Data at OS Runtime API Level in msprof_*.json

The following figure shows data at the OS Runtime API level in the msprof_*.json file.

Figure 1 OS runtime API layer
Table 1 Field description

Field

Description

Title

API name of a component. As shown in the figure, pthread_mutex_unlock is selected.

Start

Start point on the timeline, which is automatically aligned with that in chrome trace (ms).

Wall Duration

Time taken by the calls to an API (ms).

os_runtime_statistic_*.csv File

The file content is formatted as follows.

Figure 2 os_runtime_statistic_*.csv
Table 2 Field description

Field

Description

Device_id

Device ID. Host data is displayed as host.

Process ID

Process ID.

Thread ID

Thread ID.

Name

API name.

Time(%)

Percentage of time taken by the calls to an API.

Time(us)

Total time taken by the calls to an API, in μs.

Count

Number of calls to an API.

Avg(us), Max(us), Min(us)

Average, maximum, and minimum duration of the calls to an API, in μs.