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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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646a6e846c
Adding missing parent_val callchain_node initialization.
It's causing segfault in perf top:
$ sudo perf top -g
perf: Segmentation fault
-------- backtrace --------
free_callchain_node(+0x29) in perf [0x4a4b3e]
free_callchain(+0x29) in perf [0x4a5a83]
hist_entry__delete(+0x126) in perf [0x4c6649]
hists__delete_entry(+0x6e) in perf [0x4c66dc]
hists__decay_entries(+0x7d) in perf [0x4c6776]
perf_top__sort_new_samples(+0x7c) in perf [0x436a78]
hist_browser__run(+0xf2) in perf [0x507760]
perf_evsel__hists_browse(+0x1da) in perf [0x507c8d]
perf_evlist__tui_browse_hists(+0x3e) in perf [0x5088cf]
display_thread_tui(+0x7f) in perf [0x437953]
start_thread(+0xc5) in libpthread-2.21.so [0x7f7068fbb555]
__clone(+0x6d) in libc-2.21.so [0x7f7066fc3b9d]
[0x0]
Reported-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Wang Nan <wangnan0@huawei.com>
Fixes:
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| .. | ||
| arch | ||
| build | ||
| cgroup | ||
| firewire | ||
| hv | ||
| iio | ||
| include | ||
| laptop/freefall | ||
| lguest | ||
| lib | ||
| net | ||
| nfsd | ||
| perf | ||
| power | ||
| scripts | ||
| testing | ||
| thermal/tmon | ||
| time | ||
| usb | ||
| virtio | ||
| vm | ||
| Makefile | ||