ba863d0be4
Stack profiling is quite useful and Linux ZFS test suite does not current collect that data. Linux perf is a common tool for this purpose though the perf record data file can be quite large. With this change, Linux ZFS perf tests capture perf record data if perf is installed on the system and PERF_DO_PROFILING environment variable is set. Reviewed by: John Wren Kennedy <jwk404@gmail.com> Reviewed by: Matthew Ahrens <mahrens@delphix.com> Signed-off-by: Tony Nguyen <tony.nguyen@delphix.com> External-issue: LX-971 Closes #7549 |
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