'perf timechart' is segfaulting.
Latest perf-core.git: commit c277443cfc29b1623b4923219ff0bdb48b91b589
(gdb) set args timechart -i /tmp/perf-tc.data
(gdb) run
Starting program: /tmp/build-perf/perf timechart -i /tmp/perf-tc.data
[Thread debugging using libthread_db enabled]
Detaching after fork from child process 23900.
Program received signal SIGSEGV, Segmentation fault.
0x0000000000417199 in c_state_end (cpu=6291457,
timestamp=30181412965584) at builtin-timechart.c:364
364 pwr->state = cpus_cstate_state[cpu];
(gdb) bt
#0 0x0000000000417199 in c_state_end (cpu=6291457,
timestamp=30181412965584)
at builtin-timechart.c:364
#1 0x0000000000417832 in process_sample_event (event=0x7ffff7f467e8,
sample=0x7fffffffdb30,
session=0xba3990) at builtin-timechart.c:505
#2 0x0000000000447096 in perf_session_deliver_event (session=0xba3990,
event=0x7ffff7f467e8,
sample=0x7fffffffdb30, ops=0x741560) at util/session.c:675
#3 0x0000000000446a26 in flush_sample_queue (s=0xba3990, ops=0x741560)
at util/session.c:487
#4 0x0000000000446b32 in process_finished_round (event=0x7ffff7f557c0,
session=0xba3990,
ops=0x741560) at util/session.c:545
#5 0x000000000044748e in perf_session__process_event (session=0xba3990,
event=0x7ffff7f557c0,
ops=0x741560, file_offset=128960) at util/session.c:757
#6 0x0000000000447cac in __perf_session__process_events
(session=0xba3990, data_offset=1160,
data_size=669144, file_size=670304, ops=0x741560) at util/session.c:968
#7 0x0000000000447f14 in perf_session__process_events (self=0xba3990,
ops=0x741560)
at util/session.c:1038
#8 0x0000000000418935 in __cmd_timechart () at builtin-timechart.c:949
#9 0x0000000000418bcf in cmd_timechart (argc=0, argv=0x7fffffffe150,
prefix=0x0)
at builtin-timechart.c:1044
(gdb) print {struct sample_data} 0x7fffffffdb30
$1 = {ip = 18446744071579611228, pid = 0, tid = 0, time =
30181412965584, addr = 5210168, id = 50,
stream_id = 17768320, period = 16, cpu = 0, raw_size = 28, raw_data =
0x7ffff7f4681c,
callchain = 0xbb248679b4370ba3}
(gdb) print {struct power_entry} 0x7ffff7f4681c
$2 = {te = {type = 326, flags = 4 '\004', preempt_count = 0 '\000', pid
= 0, lock_depth = -1},
type = 0, value = 38654705664, cpu_id = 9298719120581197825}
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