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/openbmc/linux/tools/perf/tests/
H A Dbuiltin-test.cb6847d2c Fri Dec 11 16:06:53 CST 2015 Arnaldo Carvalho de Melo <acme@redhat.com> perf test: Dump the stack when test segfaults when in verbose mode

E.g.:

# perf test 26
26: Test mmap thread lookup : FAILED!
# perf test -v 26
26: Test mmap thread lookup :
--- start ---
test child forked, pid 9269
tid = 9269, map = 0x7ff99ff0c000
tid = 9270, map = 0x7ff99ff0b000
tid = 9271, map = 0x7ff99ff0a000
tid = 9272, map = 0x7ff99ff09000
perf: Segmentation fault
Obtained 13 stack frames.
perf(sighandler_dump_stack+0x41) [0x4e3541]
/lib64/libc.so.6(+0x34960) [0x7ff99d5f6960]
perf(thread__put+0x5b) [0x4c6f6b]
perf(machine__process_event+0x14e) [0x4bd37e]
perf(perf_event__synthesize_threads+0x3aa) [0x48678a]
perf(test__mmap_thread_lookup+0x20a) [0x474e0a]
perf() [0x460d56]
perf(cmd_test+0x589) [0x461319]
perf() [0x47c641]
perf(main+0x617) [0x422317]
/lib64/libc.so.6(__libc_start_main+0xf0) [0x7ff99d5e1fe0]
perf() [0x422429]
[(nil)]
test child interrupted
---- end ----
Test mmap thread lookup: FAILED!
#

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-sypazzsl4ptctrmlyi2zcmaj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
b6847d2c Fri Dec 11 16:06:53 CST 2015 Arnaldo Carvalho de Melo <acme@redhat.com> perf test: Dump the stack when test segfaults when in verbose mode

E.g.:

# perf test 26
26: Test mmap thread lookup : FAILED!
# perf test -v 26
26: Test mmap thread lookup :
--- start ---
test child forked, pid 9269
tid = 9269, map = 0x7ff99ff0c000
tid = 9270, map = 0x7ff99ff0b000
tid = 9271, map = 0x7ff99ff0a000
tid = 9272, map = 0x7ff99ff09000
perf: Segmentation fault
Obtained 13 stack frames.
perf(sighandler_dump_stack+0x41) [0x4e3541]
/lib64/libc.so.6(+0x34960) [0x7ff99d5f6960]
perf(thread__put+0x5b) [0x4c6f6b]
perf(machine__process_event+0x14e) [0x4bd37e]
perf(perf_event__synthesize_threads+0x3aa) [0x48678a]
perf(test__mmap_thread_lookup+0x20a) [0x474e0a]
perf() [0x460d56]
perf(cmd_test+0x589) [0x461319]
perf() [0x47c641]
perf(main+0x617) [0x422317]
/lib64/libc.so.6(__libc_start_main+0xf0) [0x7ff99d5e1fe0]
perf() [0x422429]
[(nil)]
test child interrupted
---- end ----
Test mmap thread lookup: FAILED!
#

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-sypazzsl4ptctrmlyi2zcmaj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>