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metrics: record fcu delay#443

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akundaz wants to merge 1 commit intomainfrom
ash-wxxkwqlqsroz
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metrics: record fcu delay#443
akundaz wants to merge 1 commit intomainfrom
ash-wxxkwqlqsroz

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@akundaz
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@akundaz akundaz commented Mar 12, 2026

Good to record this since I'm suspecting with the op-node hotfix this could be less jittery but higher on average

/// Time offset we used for first flashblock
pub first_flashblock_time_offset: Histogram,
/// Delay in milliseconds between expected and actual FCU arrival time (positive = late, negative = early)
pub fcu_arrival_delay: Histogram,
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whats the difference between this metric and flashblocks_time_drift? can you reuse that or rename it?

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That metric isn't being recorded at all right now :/

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then we can remove flashblocks_time_drift?

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