d1dcffdb4a
This change adds support for the pprof endpoints to cmd/trace/v2. In the process, I realized we need to pass the goroutine summaries to more places, and previous CLs had already done the goroutine analysis during cmd/trace startup. This change thus refactors the goroutine analysis API once again to operate in a streaming manner, and to run at the same time as the initial trace parsing. Now we can include it in the parsedTrace type and pass that around as the de-facto global trace context. Note: for simplicity, this change redefines "syscall" profiles to capture *all* syscalls, not just syscalls that block. IIUC, this choice was partly the result of a limitation in the previous trace format that syscalls don't all have complete durations and many short syscalls are treated as instant. To this end, this change modifies the text on the main trace webpage to reflect this change. For #60773. For #63960. Change-Id: I601d9250ab0849a0bfaef233fd9b1e81aca9a22a Reviewed-on: https://go-review.googlesource.com/c/go/+/541999 Auto-Submit: Michael Knyszek <mknyszek@google.com> Reviewed-by: Michael Pratt <mpratt@google.com> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> |
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