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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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| Filename | Latest commit message | Latest commit date |
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7d3adab148
commit 2da4dd3d6973ffdfba4fa07f53240fda7ab22929 upstream. In __cmd_record(), when receiving SIGINT(ctrl + c), a 'done' flag will be set and the event list will be disabled by evlist__disable() once. While in auxtrace_record.read_finish(), the related events will be enabled again, if they are continuous, the recording seems to be endless. If the intel_pt event is disabled, we don't enable it again here. Before the patch: huawei@huawei-2288H-V5:~/linux-5.5-rc4/tools/perf$ ./perf record -e \ intel_pt//u -p 46803 ^C^C^C^C^C^C After the patch: huawei@huawei-2288H-V5:~/linux-5.5-rc4/tools/perf$ ./perf record -e \ intel_pt//u -p 48591 ^C[ perf record: Woken up 0 times to write data ] Warning: AUX data lost 504 times out of 4816! [ perf record: Captured and wrote 2024.405 MB perf.data ] Signed-off-by: Wei Li <liwei391@huawei.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Tan Xiaojun <tanxiaojun@huawei.com> Cc: stable@vger.kernel.org # 5.4+ Link: http://lore.kernel.org/lkml/20200214132654.20395-2-adrian.hunter@intel.com [ ahunter: removed redundant 'else' after 'return' ] Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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