tree aeed548845976ba6035c89c18099e18cb0906a3b
parent b60fce019dbcca643988ab38e1c86d28f9ce0e6b
author Andreas Gampe <agampe@google.com> 1495059147 -0700
committer Andreas Gampe <agampe@google.com> 1495129110 -0700

Stack: Add subprocess caching

Add subprocess caching to the stack tool. This caches open pipes for
commands, improving symbolization speed for (sets of) stack traces with
duplicated libraries.

Bug: 38226236
Test: m
Test: manual tests
Change-Id: Iadbd74255b9a40c86939be3a1b172275a0b34d54