Project

You can find epics related to SPE development here:

• WPERF-569: Support for SPEClosed

References

arm

• https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/statistical-profiling-extension-for-armv8-a

• https://developer.arm.com/documentation/101136/2100/MAP/Arm-Statistical-Profiling-Extension--SPE-/SPE-Prerequisites

• https://developer.arm.com/documentation/ddi0487/latest

• https://community.arm.com/arm-community-blogs/b/architectures-and-processors-blog/posts/armv8-a-architecture-evolution

• https://developer.arm.com/documentation/109429/latest/

• Statistical Profile Extension: extracting value from SPE for SoC Telemetry

• https://developer.arm.com/documentation/101136/22-1-3/MAP/Arm-Statistical-Profiling-Extension--SPE-

• https://developer.arm.com/documentation/100616/0400/debug-registers/spe-registers/spe-register-summary?lang=en

Example: Using Perf to enable PMU functionality on Armv8-A CPUs: Enable Arm PMU support for the kernel and install Linux Perf tool

• Part1 Use Perf with PMU feature Enabled on Armv8 A CPUs

• Part2 Use Perf with PMU feature Enabled on Armv8 A CPUs

• Part3 Use Perf with PMU feature Enabled on Armv8 A CPUs

Linaro: Integration Arm SPE in Perf for Memory Profiling.

• https://www.youtube.com/watch?v=VJbLqKoKWzQ

• https://static.linaro.org/connect/lvc21/presentations/lvc21-302.pdf [PDF direct link].

• [PATCH v7] Documentation: userspace-api: Document perf ring buffer mechanism - Leo Yan

• linux/tools/perf/util/arm-spe-decoder at master · torvalds/linux

• linux/tools/perf/util/cs-etm.c at master · torvalds/linux

• linux/drivers/hwtracing/coresight at master · torvalds/linux

• linux/tools/perf/tests/shell/test_arm_spe.sh at master · torvalds/linux - perf test.

• linux/tools/perf/Documentation/perf-arm-spe.txt at master · torvalds/linux

Other

• https://man7.org/linux/man-pages/man1/perf-arm-spe.1.html