tools/perf/tests/attr/test-record-group

[config]
command = record
args    = --group -e cycles,instructions kill >/dev/null 2>&1

[event-1:base-record]
fd=1
group_fd=-1
sample_type=327

[event-2:base-record]
fd=2
group_fd=1
config=1
sample_type=327
mmap=0
comm=0
enable_on_exec=0
disabled=0