system_tick_info Struct Reference

Per-core system tick and cycle execution metrics. More...

#include <src/include/sof/debug/telemetry/telemetry.h>

Data Fields
uint32_t	count
	Total tick / measurement iteration count.
uint32_t	last_time_elapsed
	Cycles consumed during previous tick interval.
uint32_t	max_time_elapsed
	Peak cycle consumption observed across all intervals.
uint32_t	last_ccount
	Cycle counter snapshot at end of previous tick.
uint32_t	avg_utilization
	Rolling average CPU utilization percentage (0-100)
uint32_t	peak_utilization
	Peak CPU utilization percentage observed.
uint32_t	peak_utilization_4k
	Peak utilization over 4K sample rolling window.
uint32_t	peak_utilization_8k
	Peak utilization over 8K sample rolling window.
uint32_t	rsvd [2]
	Reserved for padding and future metrics.

Detailed Description

Per-core system tick and cycle execution metrics.

Note

In this context, "systick" is a legacy terminology for counting DSP execution time intervals. It is neither related to the Zephyr RTOS system tick nor the SOF scheduler tick.

Field Documentation

avg_utilization

uint32_t system_tick_info::avg_utilization

Rolling average CPU utilization percentage (0-100)

count

uint32_t system_tick_info::count

Total tick / measurement iteration count.

last_ccount

uint32_t system_tick_info::last_ccount

Cycle counter snapshot at end of previous tick.

last_time_elapsed

uint32_t system_tick_info::last_time_elapsed

Cycles consumed during previous tick interval.

max_time_elapsed

uint32_t system_tick_info::max_time_elapsed

Peak cycle consumption observed across all intervals.

peak_utilization

uint32_t system_tick_info::peak_utilization

Peak CPU utilization percentage observed.

peak_utilization_4k

uint32_t system_tick_info::peak_utilization_4k

Peak utilization over 4K sample rolling window.

peak_utilization_8k

uint32_t system_tick_info::peak_utilization_8k

Peak utilization over 8K sample rolling window.

rsvd

uint32_t system_tick_info::rsvd[2]

Reserved for padding and future metrics.

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The documentation for this struct was generated from the following file:

• src/include/sof/debug/telemetry/telemetry.h