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@shiva-ti shiva-ti commented Nov 6, 2025

Add more details on RT-Linux latency spike observed while running system benchmark tests due to OP-TEE TRNG. Add workarounds that can be used to avoid it.

Add more details on RT-Linux latency spike observed while running
system benchmark tests due to OP-TEE TRNG. Add workarounds that can
be used to avoid it.

Signed-off-by: Shiva Tripathi <s-tripathi1@ti.com>
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shiva-ti commented Nov 6, 2025

@ti-kamlesh updated the PR as per your comments

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StaticRocket commented Nov 6, 2025

These files are templated. Have you updated the corresponding template?

Well, nevermind. Somehow these have deviated substantially from the template. @bryanbrattlof @jmenti you guys wanna tell me something?

Comment on lines +71 to +72
To avoid these latency spikes, the Linux TRNG driver can be used instead of
the OP-TEE TRNG driver. This involves enabling the Pseudo RNG driver in OP-TEE
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Suggested change
To avoid these latency spikes, the Linux TRNG driver can be used instead of
the OP-TEE TRNG driver. This involves enabling the Pseudo RNG driver in OP-TEE
The Linux TRNG driver can mitigate these latency spikes. This involves
enabling the Pseudo RNG driver in OP-TEE

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6 participants