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| #!/bin/sh | |
| # compile with -fno-omit-frame-pointer | |
| # usermode | |
| sudo sh -c "echo 0 > /proc/sys/kernel/kptr_restrict" | |
| sudo sh -c 'echo 1 >/proc/sys/kernel/perf_event_paranoid' | |
| # record with callgraph | |
| perf record -g $1 | |
| # display with inverse callgraph | |
| perf report -g 'graph,0.5,caller' |
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