5ce669a595
Multiple tests will be able to reuse these functions, to test things like perf report, 'trace', etc, using this probe. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Thomas Richter <tmricht@linux.vnet.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-48xagvozhouhyi8fjota6o2d@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
29 lines
824 B
Bash
29 lines
824 B
Bash
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
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perf probe -l | 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 | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/')
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perf probe $verbose "vfs_getname=getname_flags:${line} pathname=result->name:string"
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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 | grep -q "^Failed to find the path for kernel" && return 2
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return 1
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}
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skip_if_no_debuginfo() {
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add_probe_vfs_getname -v 2>&1 | grep -q "^Failed to find the path for kernel" && return 2
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return 1
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}
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