sys_exit: NR 0 (was "sys_exit: NR -1")

2019-06-13 Thread Paul Clarke
I'm seeing another asymmetry, this one is on powerpc: -- perf 30179 [001] 10374622.667436: raw_syscalls:sys_enter: NR 11 (3fffe16ef55e, [...]) ls 30179 [002] 10374622.667921: raw_syscalls:sys_exit: NR 0 = 0 -- Syscall "11" is "execve", but is it expected that the sys_exit will report the

Re: sys_exit: NR -1

2019-06-13 Thread Paul Clarke
On 6/13/19 4:00 PM, Paul Clarke wrote: > On 6/12/19 1:32 AM, Naveen N. Rao wrote: >> Paul Clarke wrote: >>> What are the circumstances in which raw_syscalls:sys_exit reports "-1" for >>> the syscall ID? >>> >>>     perf  5375 [007] 59632.478528:   raw_syscalls:sys_enter: NR 1 (3, >>> 9fb888, 8,

Re: sys_exit: NR -1

2019-06-13 Thread Paul Clarke
On 6/12/19 1:32 AM, Naveen N. Rao wrote: > Paul Clarke wrote: >> What are the circumstances in which raw_syscalls:sys_exit reports "-1" for >> the syscall ID? >> >>     perf  5375 [007] 59632.478528:   raw_syscalls:sys_enter: NR 1 (3, >> 9fb888, 8, 2d83740, 1, 7) >>     perf  5375 [007]

Re: sys_exit: NR -1

2019-06-12 Thread Naveen N. Rao
Paul Clarke wrote: What are the circumstances in which raw_syscalls:sys_exit reports "-1" for the syscall ID? perf 5375 [007] 59632.478528: raw_syscalls:sys_enter: NR 1 (3, 9fb888, 8, 2d83740, 1, 7) perf 5375 [007] 59632.478532:raw_syscalls:sys_exit: NR 1 = 8 perf