Messages in this thread | | | Date | Sat, 3 Aug 2019 10:45:20 +0200 | From | Jiri Olsa <> | Subject | Re: [BUG] perf report: segfault with --no-group in pipe mode |
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On Fri, Aug 02, 2019 at 09:38:49AM -0700, Stephane Eranian wrote: > Hi, > > When trying the following command line with perf from tip,git, I got: > > $ perf record --group -c 100000 -e '{branch-misses,branches}' -a -o - > sleep 1| perf report --no-group -F sample,cpu,period -i - > # To display the perf.data header info, please use > --header/--header-only options. > # > Segmentation fault (core dumped) > > (gdb) r report --no-group -F sample,cpu,period -i - < tt > Starting program: /export/hda3/perftest/perf.tip report --no-group -F > sample,cpu,period -i - < tt > # To display the perf.data header info, please use > --header/--header-only options. > # > > Program received signal SIGSEGV, Segmentation fault. > hlist_add_head (h=0xeb9ed8, n=0xebdfd0) at > /usr/local/google/home/eranian/G/bnw.tip/tools/include/linux/list.h:644 > 644 /usr/local/google/home/eranian/G/bnw.tip/tools/include/linux/list.h: > No such file or directory. > (gdb) > > Can you reproduce this?
hi, looks like it's you might be hitting this one: 79b2fe5e7561 perf tools: Fix proper buffer size for feature processing
please try Arnaldo's perf/urgent, it's in there
jirka
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