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| author | Austin Clements <austin@google.com> | 2017-07-25 15:03:44 -0400 |
|---|---|---|
| committer | Austin Clements <austin@google.com> | 2018-11-05 19:10:33 +0000 |
| commit | e72595ee0f97746be3ce594834a7003d5e804795 (patch) | |
| tree | dc1bd445d53ff1a181c4788a3cd4aa24e78e7ab3 /src/cmd/trace | |
| parent | b251d7fbe6d69e1ce81baf7959062ae489858f31 (diff) | |
| download | go-e72595ee0f97746be3ce594834a7003d5e804795.tar.gz go-e72595ee0f97746be3ce594834a7003d5e804795.zip | |
cmd/trace: notes on MMU view improvements
Change-Id: Ib9dcdc76095f6718f1cdc83349503f52567c76d4
Reviewed-on: https://go-review.googlesource.com/c/60801
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
Diffstat (limited to 'src/cmd/trace')
| -rw-r--r-- | src/cmd/trace/mmu.go | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/cmd/trace/mmu.go b/src/cmd/trace/mmu.go index 062e5ad2ca..6a7d28e61d 100644 --- a/src/cmd/trace/mmu.go +++ b/src/cmd/trace/mmu.go @@ -4,6 +4,25 @@ // Minimum mutator utilization (MMU) graphing. +// TODO: +// +// In worst window list, show break-down of GC utilization sources +// (STW, assist, etc). Probably requires a different MutatorUtil +// representation. +// +// When a window size is selected, show a second plot of the mutator +// utilization distribution for that window size. +// +// Render plot progressively so rough outline is visible quickly even +// for very complex MUTs. Start by computing just a few window sizes +// and then add more window sizes. +// +// Consider using sampling to compute an approximate MUT. This would +// work by sampling the mutator utilization at randomly selected +// points in time in the trace to build an empirical distribution. We +// could potentially put confidence intervals on these estimates and +// render this progressively as we refine the distributions. + package main import ( |