Messages in this thread | | | Date | Wed, 26 Jun 2013 19:09:18 +0800 | Subject | 3.10-rc6 "perf test" seems unhappy | From | Andy Green <> |
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Hi -
Running perf test on 3.10-rc6 gives some unexpected behaviours.
This is on a dual Cortex A9 board with perf userland cross-built from same tree as the kernel.
root@aa9-eb:~# perf test 1: vmlinux symtab matches kallsyms : FAILED! 2: detect open syscall event : Ok 3: detect open syscall event on all cpus : Ok 4: read samples using the mmap interface : Ok 5: parse events tests : Warning: function sizeof not defined Warning: function sizeof not defined Warning: function scsi_trace_parse_cdb not defined Warning: function scsi_trace_parse_cdb not defined Warning: function scsi_trace_parse_cdb not defined Warning: function scsi_trace_parse_cdb not defined Warning: function jiffies_to_msecs not defined Warning: function jiffies_to_msecs not defined Warning: bad op token { Warning: bad op token { Warning: bad op token { Warning: Error: expected type 4 but read 0 Warning: bad op token { Warning: Error: expected type 4 but read 0 Warning: bad op token { Warning: bad op token { Warning: bad op token { Warning: bad op token { Warning: bad op token { Warning: unknown op '{' Warning: unknown op '{' Ok 6: Validate PERF_RECORD_* events & perf_sample fields : FAILED! 7: Test perf pmu format parsing : Ok 8: Test dso data interface : Ok 9: roundtrip evsel->name check : Ok 10: Check parsing of sched tracepoints fields : FAILED! 11: Generate and check syscalls:sys_enter_open event fields: Ok 12: struct perf_event_attr setup : (omitted) Ok 13: Test matching and linking mutliple hists : Ok 14: Try 'use perf' in python, checking link problems : FAILED! 15: Test breakpoint overflow signal handler : FAILED! 16: Test breakpoint overflow sampling : FAILED! 17: Test number of exit event of a simple workload : FAILED! 18: Test software clock events have valid period values : Ok
I started tracing the first failure... it stops because it can't find "_stext" in /proc/kallsyms. But it is there
root@aa9-eb:~# cat /proc/kallsyms | grep _stext 800081c0 T _stext
test 5 (parse event tests) seems to be badly broken.
The others may be due to missing some config somewhere.
Any ideas what I am (or perf is) doing wrong?
-Andy
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