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24 lines
812 B
24 lines
812 B
# Arnaldo Carvalho de Melo <[email protected]>, 2017 |
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perf probe -l 2>&1 | grep -q probe:vfs_getname |
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had_vfs_getname=$? |
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cleanup_probe_vfs_getname() { |
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if [ $had_vfs_getname -eq 1 ] ; then |
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perf probe -q -d probe:vfs_getname* |
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fi |
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} |
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add_probe_vfs_getname() { |
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local verbose=$1 |
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if [ $had_vfs_getname -eq 1 ] ; then |
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line=$(perf probe -L getname_flags 2>&1 | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/') |
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perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \ |
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perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring" |
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fi |
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} |
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skip_if_no_debuginfo() { |
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add_probe_vfs_getname -v 2>&1 | egrep -q "^(Failed to find the path for the kernel|Debuginfo-analysis is not supported)" && return 2 |
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return 1 |
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}
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