[benchmarks] sweet/benchmarks/internal/driver: don't swallow perf stderr

[Gopher Robot (Gerrit)]

Gopher Robot submitted the change

Change information

Commit message:

sweet/benchmarks/internal/driver: don't swallow perf stderr

It took me way too long to figure out why I wasn't getting perf data
when I had forgotten to enable the magic sysctls and wasn't getting
the usual hint from perf.

Change-Id: I5e518b024dccff45ff06daa84ac866708c1d4ddc

Reviewed-on: https://go-review.googlesource.com/c/benchmarks/+/600061

Reviewed-by: Michael Knyszek <mkny...@google.com>

Auto-Submit: Austin Clements <aus...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Files:

• M sweet/benchmarks/internal/driver/driver.go

Change size: XS

Delta: 1 file changed, 1 insertion(+), 0 deletions(-)

Branch: refs/heads/master

Submit Requirements:

• Code-Review: +2 by Michael Knyszek
• TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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Gerrit

Gerrit-MessageType: merged

Gerrit-Project: benchmarks

Gerrit-Branch: master

Gerrit-Change-Id: I5e518b024dccff45ff06daa84ac866708c1d4ddc

Gerrit-Change-Number: 600061

Gerrit-PatchSet: 3

Gerrit-Owner: Austin Clements <aus...@google.com>

Gerrit-Reviewer: Austin Clements <aus...@google.com>

Gerrit-Reviewer: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Gerrit-Reviewer: Gopher Robot <go...@golang.org>

Gerrit-Reviewer: Michael Knyszek <mkny...@google.com>

Gerrit-Reviewer: Michael Pratt <mpr...@google.com>