Messages in this thread | | | From | Li Zhijian <> | Subject | perf test vfs_getname failed | Date | Thu, 19 Oct 2017 16:31:36 +0800 |
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Hi Arnaldo
i encounter some problem when running perf test, the details arelike below:
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[lizj@rhel71 perf]$ sudo ./perf test vfs_getname -v 61: Add vfs_getname probe to get syscall args filenames : --- start --- test child forked, pid 5958 Failed to find 'result' in this function. Error: Failed to add events. test child finished with -1 ---- end ---- Add vfs_getname probe to get syscall args filenames: FAILED! 62: Use vfs_getname probe to get syscall args filenames : --- start --- test child forked, pid 5979 Failed to find 'result' in this function. Error: Failed to add events. test child finished with -1 ---- end ---- Use vfs_getname probe to get syscall args filenames: FAILED! 63: Check open filename arg using perf trace + vfs_getname: --- start --- test child forked, pid 6001 Failed to find 'result' in this function. Error: Failed to add events. test child finished with -1 ---- end ---- Check open filename arg using perf trace + vfs_getname: FAILED! -----------------------------
my environment: 1. perf features the enabled features are: -----------------------------
Auto-detecting system features: ... dwarf: [ on ] ... dwarf_getlocations: [ on ] ... glibc: [ on ] ... gtk2: [ on ] ... libaudit: [ on ] ... libbfd: [ on ] ... libelf: [ on ] ... libnuma: [ on ] ... numa_num_possible_cpus: [ on ] ... libperl: [ on ] ... libpython: [ on ] ... libslang: [ OFF ] ... libcrypto: [ on ] ... libunwind: [ on ] ... libdw-dwarf-unwind: [ on ] ... zlib: [ on ] ... lzma: [ on ] ... get_cpuid: [ on ] ... bpf: [ on ] ----------------------------- 2. host [lizj@rhel71 perf]$ cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.1 Beta (Maipo)
3. kernel [lizj@rhel71 perf]$ uname -a Linux rhel71 4.14.0-rc1+ #2 SMP Wed Oct 18 23:49:30 EDT 2017 x86_64 x86_64 x86_64 GNU/Linux
if i miss something, fell free to let me know :)
Thanks
Zhijian
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