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12 lines
340 B
Bash
Executable file
12 lines
340 B
Bash
Executable file
#!/bin/sh
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# From https://reviews.freebsd.org/D17011
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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cd /tmp
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kldstat -v | grep -q hwpmc || { kldload hwpmc; loaded=1; }
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pmcstat -S unhalted_core_cycles -O ppid.pmcstat sleep 10
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pmcstat -R ppid.pmcstat -z100 -G ppid.stacks
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[ $loaded ] && kldunload hwpmc
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rm -f ppid.pmcstat ppid.stacks
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