[PATCH] perf: report/annotate: fix segfault problem.

2015-04-02 Thread Wang Nan
perf report and perf annotate are easy to trigger segfault if trace data contain kernel module information like this: # perf report -D -i ./perf.data ... 0 0 0x188 [0x50]: PERF_RECORD_MMAP -1/0: [0xffbff1018000(0xf068000) @ 0]: x [test_module] ... # perf report -i ./perf.data

[PATCH] perf: report/annotate: fix segfault problem.

2015-04-02 Thread Wang Nan
perf report and perf annotate are easy to trigger segfault if trace data contain kernel module information like this: # perf report -D -i ./perf.data ... 0 0 0x188 [0x50]: PERF_RECORD_MMAP -1/0: [0xffbff1018000(0xf068000) @ 0]: x [test_module] ... # perf report -i ./perf.data