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311693ce81
With Fedora 38 the perf test 86 probe libc's inet_pton fails on s390.
The call chain of the ping command changed. The functions
text_to_binary_address() and gaih_inet() do not show up in the call
chain anymore.
Output before:
# ./perf test -v 86
86: probe libc's inet_pton & backtrace it with ping :
--- start ---
test child forked, pid 541050
fgrep: warning: fgrep is obsolescent; using grep -F
fgrep: warning: fgrep is obsolescent; using grep -F
BFD: DWARF error: could not find variable specification at offset 0x22011
...
ping 541078 [002] 348826.679581: probe_libc:inet_pton_1: (3ffad84b940)
14b940 __GI___inet_pton+0x0 (/usr/lib64/libc.so.6)
10e9c3 __GI_getaddrinfo+0xeb3 (inlined)
4397 main+0x737 (/usr/bin/ping)
FAIL: expected backtrace entry "gaih_inet.*\+0x[[:xdigit:]]\
+[[:space:]]\(/usr/lib64/libc.so.6|inlined\)$"
got "4397 main+0x737 (/usr/bin/ping)"
test child finished with -1
---- end ----
probe libc's inet_pton & backtrace it with ping: FAILED!
#
Output after:
# ./perf test -v 86
86: probe libc's inet_pton & backtrace it with ping :
--- start ---
test child forked, pid 541098
fgrep: warning: fgrep is obsolescent; using grep -F
fgrep: warning: fgrep is obsolescent; using grep -F
BFD: DWARF error: could not find variable specification at offset 0x309d1
...
ping 541126 [006] 349309.099067: probe_libc:inet_pton_1: (3ffb7f4b940)
14b940 __GI___inet_pton+0x0 (/usr/lib64/libc.so.6)
10e9c3 __GI_getaddrinfo+0xeb3 (inlined)
4397 main+0x737 (/usr/bin/ping)
test child finished with 0
---- end ----
probe libc's inet_pton & backtrace it with ping: Ok
#
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20230503081134.3372415-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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| .. | ||
| accounting | ||
| arch | ||
| bootconfig | ||
| bpf | ||
| build | ||
| certs | ||
| cgroup | ||
| counter | ||
| debugging | ||
| edid | ||
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| hv | ||
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| include | ||
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| kvm/kvm_stat | ||
| laptop | ||
| leds | ||
| lib | ||
| memory-model | ||
| mm | ||
| net/ynl | ||
| objtool | ||
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| pcmcia | ||
| perf | ||
| power | ||
| rcu | ||
| scripts | ||
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| usb | ||
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| virtio | ||
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| Makefile | ||