Add histogram HttpCache.GenerateCacheKey.Time [chromium/src : main]

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Adam Rice (Gerrit)

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Dec 5, 2025, 4:53:22 AMDec 5
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Nidhi Jaju (Gerrit)

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Dec 7, 2025, 11:39:57 PMDec 7
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Nidhi Jaju . unresolved

lgtm, but just want to check if the 12/31 expiry is sufficient (i.e. you will only ever collect Canary/Dev data), or are you planning to merge this back?

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Adam Rice (Gerrit)

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Dec 8, 2025, 10:36:34 AMDec 8
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Nidhi Jaju . resolved

lgtm, but just want to check if the 12/31 expiry is sufficient (i.e. you will only ever collect Canary/Dev data), or are you planning to merge this back?

Adam Rice

Yes, I will only use Dev data for this.

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    Adam Rice (Gerrit)

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    Dec 8, 2025, 10:36:50 AMDec 8
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    Adam Rice voted Commit-Queue+2

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    Adam Rice (Gerrit)

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    Dec 22, 2025, 2:00:10 PM (4 days ago) Dec 22
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    Chromium LUCI CQ (Gerrit)

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    Dec 22, 2025, 2:40:01 PM (4 days ago) Dec 22
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    Chromium LUCI CQ submitted the change

    Change information

    Commit message:
    Add histogram HttpCache.GenerateCacheKey.Time

    Measure the real-world performance of net::HttpCache::GenerateCacheKey()
    by adding a scoped histogram, "HttpCache.GenerateCacheKey.Time".

    This is intended to be temporary and should be removed before the end of
    2025.

    BUG=388956603
    Change-Id: Ice54cb5b0e21df7ad4a3ede97460953373b36ca1
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    Cr-Commit-Position: refs/heads/main@{#1561912}
    Files:
    • M net/http/http_cache.cc
    • M tools/metrics/histograms/metadata/net/histograms.xml
    Change size: S
    Delta: 2 files changed, 20 insertions(+), 0 deletions(-)
    Branch: refs/heads/main
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    Adam Rice (Gerrit)

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    Adam Rice has created a revert of this change

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