Re: [BUG REPORT]: ARM64: perf: System hung in perf test

2015-12-22 Thread Wangnan (F)
On 2015/12/21 22:01, Will Deacon wrote: On Mon, Dec 21, 2015 at 08:56:03PM +0800, Wangnan (F) wrote: [SNIP] # /perf test -v signal 17: Test breakpoint overflow signal handler : --- start --- test child forked, pid 792 count1 11, count2 11, overflow 11 failed: RF

Re: [BUG REPORT]: ARM64: perf: System hung in perf test

2015-12-22 Thread Wangnan (F)
On 2015/12/21 22:01, Will Deacon wrote: On Mon, Dec 21, 2015 at 08:56:03PM +0800, Wangnan (F) wrote: [SNIP] # /perf test -v signal 17: Test breakpoint overflow signal handler : --- start --- test child forked, pid 792 count1 11, count2 11, overflow 11 failed: RF

Re: [BUG REPORT]: ARM64: perf: System hung in perf test

2015-12-21 Thread Will Deacon
On Mon, Dec 21, 2015 at 08:56:03PM +0800, Wangnan (F) wrote: > System hung can be reproduced on qemu and real hardware using: > > # perf test -v signal > > If qemu is started with '-smp 1', system hung. In real hardware and in > qemu with smp > 1, the result is: That sounds like a qemu

[BUG REPORT]: ARM64: perf: System hung in perf test

2015-12-21 Thread Wangnan (F)
System hung can be reproduced on qemu and real hardware using: # perf test -v signal If qemu is started with '-smp 1', system hung. In real hardware and in qemu with smp > 1, the result is: # /perf test -v signal 17: Test breakpoint overflow signal handler : --- start ---

Re: [BUG REPORT]: ARM64: perf: System hung in perf test

2015-12-21 Thread Will Deacon
On Mon, Dec 21, 2015 at 08:56:03PM +0800, Wangnan (F) wrote: > System hung can be reproduced on qemu and real hardware using: > > # perf test -v signal > > If qemu is started with '-smp 1', system hung. In real hardware and in > qemu with smp > 1, the result is: That sounds like a qemu

[BUG REPORT]: ARM64: perf: System hung in perf test

2015-12-21 Thread Wangnan (F)
System hung can be reproduced on qemu and real hardware using: # perf test -v signal If qemu is started with '-smp 1', system hung. In real hardware and in qemu with smp > 1, the result is: # /perf test -v signal 17: Test breakpoint overflow signal handler : --- start ---